/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 13:53:07,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 13:53:07,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 13:53:07,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 13:53:07,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 13:53:07,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 13:53:07,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 13:53:07,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 13:53:07,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 13:53:07,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 13:53:07,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 13:53:07,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 13:53:07,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 13:53:07,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 13:53:07,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 13:53:07,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 13:53:07,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 13:53:07,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 13:53:07,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 13:53:07,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 13:53:07,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 13:53:07,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 13:53:07,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 13:53:07,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 13:53:07,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 13:53:07,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 13:53:07,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 13:53:07,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 13:53:07,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 13:53:07,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 13:53:07,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 13:53:07,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 13:53:07,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 13:53:07,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 13:53:07,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 13:53:07,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 13:53:07,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 13:53:07,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 13:53:07,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 13:53:07,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 13:53:07,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 13:53:07,085 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 13:53:07,113 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 13:53:07,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 13:53:07,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 13:53:07,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 13:53:07,118 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 13:53:07,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 13:53:07,118 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 13:53:07,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 13:53:07,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 13:53:07,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 13:53:07,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 13:53:07,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 13:53:07,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 13:53:07,121 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 13:53:07,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 13:53:07,121 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 13:53:07,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 13:53:07,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 13:53:07,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 13:53:07,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 13:53:07,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 13:53:07,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:53:07,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 13:53:07,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 13:53:07,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 13:53:07,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 13:53:07,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 13:53:07,126 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 13:53:07,126 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 13:53:07,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 13:53:07,126 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 13:53:07,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 13:53:07,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 13:53:07,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 13:53:07,458 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 13:53:07,458 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 13:53:07,459 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-10-16 13:53:07,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ecb04efa3/bc82a00c946c4de7a4e2703b104229ad/FLAG10ca9c224 [2020-10-16 13:53:08,228 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 13:53:08,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-10-16 13:53:08,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ecb04efa3/bc82a00c946c4de7a4e2703b104229ad/FLAG10ca9c224 [2020-10-16 13:53:08,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ecb04efa3/bc82a00c946c4de7a4e2703b104229ad [2020-10-16 13:53:08,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 13:53:08,423 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 13:53:08,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 13:53:08,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 13:53:08,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 13:53:08,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:53:08" (1/1) ... [2020-10-16 13:53:08,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74587d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:08, skipping insertion in model container [2020-10-16 13:53:08,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:53:08" (1/1) ... [2020-10-16 13:53:08,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 13:53:08,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 13:53:09,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:53:09,196 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 13:53:09,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:53:09,703 INFO L208 MainTranslator]: Completed translation [2020-10-16 13:53:09,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:09 WrapperNode [2020-10-16 13:53:09,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 13:53:09,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 13:53:09,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 13:53:09,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 13:53:09,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:09" (1/1) ... [2020-10-16 13:53:09,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:09" (1/1) ... [2020-10-16 13:53:09,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 13:53:09,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 13:53:09,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 13:53:09,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 13:53:09,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:09" (1/1) ... [2020-10-16 13:53:09,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:09" (1/1) ... [2020-10-16 13:53:09,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:09" (1/1) ... [2020-10-16 13:53:09,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:09" (1/1) ... [2020-10-16 13:53:09,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:09" (1/1) ... [2020-10-16 13:53:09,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:09" (1/1) ... [2020-10-16 13:53:09,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:09" (1/1) ... [2020-10-16 13:53:09,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 13:53:09,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 13:53:09,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 13:53:09,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 13:53:09,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 13:53:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-10-16 13:53:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-10-16 13:53:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 13:53:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 13:53:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-10-16 13:53:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-10-16 13:53:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 13:53:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 13:53:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 13:53:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 13:53:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 13:53:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 13:53:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 13:53:09,948 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 13:53:10,605 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 13:53:10,606 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-16 13:53:10,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:53:10 BoogieIcfgContainer [2020-10-16 13:53:10,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 13:53:10,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 13:53:10,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 13:53:10,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 13:53:10,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:53:08" (1/3) ... [2020-10-16 13:53:10,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731a774d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:53:10, skipping insertion in model container [2020-10-16 13:53:10,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:53:09" (2/3) ... [2020-10-16 13:53:10,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731a774d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:53:10, skipping insertion in model container [2020-10-16 13:53:10,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:53:10" (3/3) ... [2020-10-16 13:53:10,619 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2020-10-16 13:53:10,629 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 13:53:10,629 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 13:53:10,637 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-16 13:53:10,638 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 13:53:10,674 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,675 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,675 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,675 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,676 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,676 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,676 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,676 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,677 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,677 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,677 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,677 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,678 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,678 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,678 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,678 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,679 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,679 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,679 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,679 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,680 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,680 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,680 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,680 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,680 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,681 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,681 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,683 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,683 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,683 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,684 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,684 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,684 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,684 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,685 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,685 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,685 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,686 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,686 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,686 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,686 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,687 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,687 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,687 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,688 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,688 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,688 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,688 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,689 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,689 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,689 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,689 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,690 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,690 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,690 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,690 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,691 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,691 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,691 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,691 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,692 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,692 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,692 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,692 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,692 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,693 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,693 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,693 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,694 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,694 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,694 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,694 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,695 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,700 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,700 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,700 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,700 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,700 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,701 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,701 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,701 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,702 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,702 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,702 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,702 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,703 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,703 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,703 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,704 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,704 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,704 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,704 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,705 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,705 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,705 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,705 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,706 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,706 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,706 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,706 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,707 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,707 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,707 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,707 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,708 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,708 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,708 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,708 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,709 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,709 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,709 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,709 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,710 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,710 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,714 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,714 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,714 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,715 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,715 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,715 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,715 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,716 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,716 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,724 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,725 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,725 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,725 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,725 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,726 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,726 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,726 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,727 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,727 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,727 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,727 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,727 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,728 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,728 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,728 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,728 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,729 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,729 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,729 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,729 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,733 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,734 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,734 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,734 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,735 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,735 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,735 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,735 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,735 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:53:10,760 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2020-10-16 13:53:10,774 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-10-16 13:53:10,796 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:53:10,796 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:53:10,797 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:53:10,797 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:53:10,797 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:53:10,797 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:53:10,797 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:53:10,797 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:53:10,819 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:53:10,819 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 269 transitions, 580 flow [2020-10-16 13:53:10,822 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 269 transitions, 580 flow [2020-10-16 13:53:10,824 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions, 580 flow [2020-10-16 13:53:10,986 INFO L129 PetriNetUnfolder]: 65/479 cut-off events. [2020-10-16 13:53:10,986 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-16 13:53:10,999 INFO L80 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 479 events. 65/479 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1213 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2020-10-16 13:53:11,022 INFO L117 LiptonReduction]: Number of co-enabled transitions 9678 [2020-10-16 13:53:16,218 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-10-16 13:53:16,656 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 13:53:16,780 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-16 13:53:16,901 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-16 13:53:17,016 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-16 13:53:17,250 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2020-10-16 13:53:17,364 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-16 13:53:17,381 INFO L132 LiptonReduction]: Checked pairs total: 19268 [2020-10-16 13:53:17,381 INFO L134 LiptonReduction]: Total number of compositions: 329 [2020-10-16 13:53:17,388 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56 places, 68 transitions, 178 flow [2020-10-16 13:53:17,446 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 827 states. [2020-10-16 13:53:17,449 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states. [2020-10-16 13:53:17,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-16 13:53:17,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:17,455 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-16 13:53:17,456 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:17,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:17,461 INFO L82 PathProgramCache]: Analyzing trace with hash 949, now seen corresponding path program 1 times [2020-10-16 13:53:17,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:17,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729825901] [2020-10-16 13:53:17,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:17,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729825901] [2020-10-16 13:53:17,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:17,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-16 13:53:17,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [206944648] [2020-10-16 13:53:17,799 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:17,801 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:17,809 INFO L258 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-10-16 13:53:17,809 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:17,813 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:17,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 13:53:17,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:17,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 13:53:17,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 13:53:17,831 INFO L87 Difference]: Start difference. First operand 827 states. Second operand 2 states. [2020-10-16 13:53:17,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:17,886 INFO L93 Difference]: Finished difference Result 825 states and 2480 transitions. [2020-10-16 13:53:17,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 13:53:17,891 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-16 13:53:17,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:17,921 INFO L225 Difference]: With dead ends: 825 [2020-10-16 13:53:17,921 INFO L226 Difference]: Without dead ends: 796 [2020-10-16 13:53:17,922 INFO L677 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 [2020-10-16 13:53:17,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-10-16 13:53:18,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 796. [2020-10-16 13:53:18,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2020-10-16 13:53:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 2422 transitions. [2020-10-16 13:53:18,033 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 2422 transitions. Word has length 1 [2020-10-16 13:53:18,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:18,034 INFO L481 AbstractCegarLoop]: Abstraction has 796 states and 2422 transitions. [2020-10-16 13:53:18,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 13:53:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 2422 transitions. [2020-10-16 13:53:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 13:53:18,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:18,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 13:53:18,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 13:53:18,036 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:18,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:18,036 INFO L82 PathProgramCache]: Analyzing trace with hash 2017944740, now seen corresponding path program 1 times [2020-10-16 13:53:18,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:18,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28647951] [2020-10-16 13:53:18,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:18,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28647951] [2020-10-16 13:53:18,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:18,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:53:18,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [345660644] [2020-10-16 13:53:18,227 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:18,228 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:18,230 INFO L258 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-16 13:53:18,230 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:18,230 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:18,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 13:53:18,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:18,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 13:53:18,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 13:53:18,233 INFO L87 Difference]: Start difference. First operand 796 states and 2422 transitions. Second operand 4 states. [2020-10-16 13:53:18,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:18,346 INFO L93 Difference]: Finished difference Result 1618 states and 4961 transitions. [2020-10-16 13:53:18,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 13:53:18,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-16 13:53:18,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:18,361 INFO L225 Difference]: With dead ends: 1618 [2020-10-16 13:53:18,362 INFO L226 Difference]: Without dead ends: 1594 [2020-10-16 13:53:18,363 INFO L677 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 [2020-10-16 13:53:18,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2020-10-16 13:53:18,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 910. [2020-10-16 13:53:18,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-10-16 13:53:18,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 2733 transitions. [2020-10-16 13:53:18,409 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 2733 transitions. Word has length 6 [2020-10-16 13:53:18,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:18,410 INFO L481 AbstractCegarLoop]: Abstraction has 910 states and 2733 transitions. [2020-10-16 13:53:18,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 13:53:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 2733 transitions. [2020-10-16 13:53:18,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-16 13:53:18,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:18,412 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:18,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 13:53:18,412 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:18,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:18,413 INFO L82 PathProgramCache]: Analyzing trace with hash -2064392671, now seen corresponding path program 1 times [2020-10-16 13:53:18,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:18,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350169271] [2020-10-16 13:53:18,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:18,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350169271] [2020-10-16 13:53:18,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:18,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:53:18,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [942609866] [2020-10-16 13:53:18,471 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:18,474 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:18,475 INFO L258 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-16 13:53:18,475 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:18,475 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:18,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:53:18,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:18,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:53:18,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:18,476 INFO L87 Difference]: Start difference. First operand 910 states and 2733 transitions. Second operand 3 states. [2020-10-16 13:53:18,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:18,569 INFO L93 Difference]: Finished difference Result 1213 states and 3720 transitions. [2020-10-16 13:53:18,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:53:18,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-16 13:53:18,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:18,578 INFO L225 Difference]: With dead ends: 1213 [2020-10-16 13:53:18,578 INFO L226 Difference]: Without dead ends: 1177 [2020-10-16 13:53:18,579 INFO L677 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 [2020-10-16 13:53:18,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2020-10-16 13:53:18,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 882. [2020-10-16 13:53:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-10-16 13:53:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 2595 transitions. [2020-10-16 13:53:18,615 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 2595 transitions. Word has length 8 [2020-10-16 13:53:18,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:18,616 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 2595 transitions. [2020-10-16 13:53:18,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:53:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 2595 transitions. [2020-10-16 13:53:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:53:18,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:18,619 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:18,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 13:53:18,619 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:18,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:18,620 INFO L82 PathProgramCache]: Analyzing trace with hash 439172559, now seen corresponding path program 1 times [2020-10-16 13:53:18,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:18,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806846021] [2020-10-16 13:53:18,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:18,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:18,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806846021] [2020-10-16 13:53:18,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:18,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:53:18,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2114531878] [2020-10-16 13:53:18,678 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:18,679 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:18,681 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 13:53:18,682 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:18,682 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:18,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:53:18,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:18,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:53:18,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:18,683 INFO L87 Difference]: Start difference. First operand 882 states and 2595 transitions. Second operand 3 states. [2020-10-16 13:53:18,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:18,706 INFO L93 Difference]: Finished difference Result 379 states and 973 transitions. [2020-10-16 13:53:18,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:53:18,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 13:53:18,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:18,709 INFO L225 Difference]: With dead ends: 379 [2020-10-16 13:53:18,709 INFO L226 Difference]: Without dead ends: 366 [2020-10-16 13:53:18,709 INFO L677 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 [2020-10-16 13:53:18,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-10-16 13:53:18,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2020-10-16 13:53:18,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-10-16 13:53:18,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 941 transitions. [2020-10-16 13:53:18,720 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 941 transitions. Word has length 9 [2020-10-16 13:53:18,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:18,721 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 941 transitions. [2020-10-16 13:53:18,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:53:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 941 transitions. [2020-10-16 13:53:18,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 13:53:18,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:18,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:18,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 13:53:18,723 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:18,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:18,723 INFO L82 PathProgramCache]: Analyzing trace with hash 717367589, now seen corresponding path program 1 times [2020-10-16 13:53:18,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:18,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593963590] [2020-10-16 13:53:18,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:18,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593963590] [2020-10-16 13:53:18,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:18,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:53:18,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1303526157] [2020-10-16 13:53:18,784 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:18,785 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:18,787 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 17 transitions. [2020-10-16 13:53:18,788 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:18,801 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:18,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:53:18,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:18,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:53:18,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:18,802 INFO L87 Difference]: Start difference. First operand 366 states and 941 transitions. Second operand 3 states. [2020-10-16 13:53:18,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:18,818 INFO L93 Difference]: Finished difference Result 203 states and 518 transitions. [2020-10-16 13:53:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:53:18,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-16 13:53:18,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:18,821 INFO L225 Difference]: With dead ends: 203 [2020-10-16 13:53:18,821 INFO L226 Difference]: Without dead ends: 203 [2020-10-16 13:53:18,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:18,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-16 13:53:18,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 182. [2020-10-16 13:53:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-16 13:53:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 475 transitions. [2020-10-16 13:53:18,828 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 475 transitions. Word has length 10 [2020-10-16 13:53:18,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:18,828 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 475 transitions. [2020-10-16 13:53:18,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:53:18,828 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 475 transitions. [2020-10-16 13:53:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 13:53:18,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:18,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:18,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 13:53:18,834 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:18,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:18,834 INFO L82 PathProgramCache]: Analyzing trace with hash 762194488, now seen corresponding path program 1 times [2020-10-16 13:53:18,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:18,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512362348] [2020-10-16 13:53:18,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:53:18,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512362348] [2020-10-16 13:53:18,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:18,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:53:18,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1495036759] [2020-10-16 13:53:18,895 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:18,897 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:18,900 INFO L258 McrAutomatonBuilder]: Finished intersection with 26 states and 37 transitions. [2020-10-16 13:53:18,901 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:18,903 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:18,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:53:18,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:18,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:53:18,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:18,904 INFO L87 Difference]: Start difference. First operand 182 states and 475 transitions. Second operand 3 states. [2020-10-16 13:53:18,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:18,926 INFO L93 Difference]: Finished difference Result 176 states and 464 transitions. [2020-10-16 13:53:18,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:53:18,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-16 13:53:18,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:18,930 INFO L225 Difference]: With dead ends: 176 [2020-10-16 13:53:18,930 INFO L226 Difference]: Without dead ends: 142 [2020-10-16 13:53:18,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:18,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-16 13:53:18,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-10-16 13:53:18,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-16 13:53:18,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 394 transitions. [2020-10-16 13:53:18,935 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 394 transitions. Word has length 13 [2020-10-16 13:53:18,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:18,936 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 394 transitions. [2020-10-16 13:53:18,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:53:18,936 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 394 transitions. [2020-10-16 13:53:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 13:53:18,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:53:18,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:53:18,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 13:53:18,938 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:53:18,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:53:18,938 INFO L82 PathProgramCache]: Analyzing trace with hash 315891433, now seen corresponding path program 1 times [2020-10-16 13:53:18,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:53:18,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656245201] [2020-10-16 13:53:18,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:53:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:53:19,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 13:53:19,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656245201] [2020-10-16 13:53:19,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:53:19,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:53:19,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2026657906] [2020-10-16 13:53:19,021 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:53:19,024 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:53:19,028 INFO L258 McrAutomatonBuilder]: Finished intersection with 25 states and 32 transitions. [2020-10-16 13:53:19,028 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:53:19,029 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:53:19,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:53:19,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:53:19,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:53:19,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:19,030 INFO L87 Difference]: Start difference. First operand 142 states and 394 transitions. Second operand 3 states. [2020-10-16 13:53:19,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:53:19,047 INFO L93 Difference]: Finished difference Result 237 states and 680 transitions. [2020-10-16 13:53:19,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:53:19,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-16 13:53:19,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:53:19,048 INFO L225 Difference]: With dead ends: 237 [2020-10-16 13:53:19,048 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 13:53:19,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:53:19,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 13:53:19,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 13:53:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 13:53:19,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 13:53:19,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-10-16 13:53:19,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:53:19,050 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 13:53:19,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:53:19,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 13:53:19,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 13:53:19,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 13:53:19,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:53:19 BasicIcfg [2020-10-16 13:53:19,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 13:53:19,065 INFO L168 Benchmark]: Toolchain (without parser) took 10635.34 ms. Allocated memory was 138.9 MB in the beginning and 370.1 MB in the end (delta: 231.2 MB). Free memory was 99.1 MB in the beginning and 222.1 MB in the end (delta: -123.0 MB). Peak memory consumption was 108.2 MB. Max. memory is 7.1 GB. [2020-10-16 13:53:19,066 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-16 13:53:19,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1281.09 ms. Allocated memory was 138.9 MB in the beginning and 234.4 MB in the end (delta: 95.4 MB). Free memory was 98.9 MB in the beginning and 166.3 MB in the end (delta: -67.4 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2020-10-16 13:53:19,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.80 ms. Allocated memory is still 234.4 MB. Free memory was 166.3 MB in the beginning and 161.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-10-16 13:53:19,072 INFO L168 Benchmark]: Boogie Preprocessor took 53.23 ms. Allocated memory is still 234.4 MB. Free memory was 161.8 MB in the beginning and 158.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-16 13:53:19,074 INFO L168 Benchmark]: RCFGBuilder took 744.99 ms. Allocated memory is still 234.4 MB. Free memory was 158.9 MB in the beginning and 108.5 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. [2020-10-16 13:53:19,075 INFO L168 Benchmark]: TraceAbstraction took 8443.32 ms. Allocated memory was 234.4 MB in the beginning and 370.1 MB in the end (delta: 135.8 MB). Free memory was 107.0 MB in the beginning and 222.1 MB in the end (delta: -115.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2020-10-16 13:53:19,087 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1281.09 ms. Allocated memory was 138.9 MB in the beginning and 234.4 MB in the end (delta: 95.4 MB). Free memory was 98.9 MB in the beginning and 166.3 MB in the end (delta: -67.4 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 106.80 ms. Allocated memory is still 234.4 MB. Free memory was 166.3 MB in the beginning and 161.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.23 ms. Allocated memory is still 234.4 MB. Free memory was 161.8 MB in the beginning and 158.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 744.99 ms. Allocated memory is still 234.4 MB. Free memory was 158.9 MB in the beginning and 108.5 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8443.32 ms. Allocated memory was 234.4 MB in the beginning and 370.1 MB in the end (delta: 135.8 MB). Free memory was 107.0 MB in the beginning and 222.1 MB in the end (delta: -115.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5781 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 251 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.5s, 237 PlacesBefore, 56 PlacesAfterwards, 269 TransitionsBefore, 68 TransitionsAfterwards, 9678 CoEnabledTransitionPairs, 7 FixpointIterations, 138 TrivialSequentialCompositions, 117 ConcurrentSequentialCompositions, 18 TrivialYvCompositions, 36 ConcurrentYvCompositions, 20 ChoiceCompositions, 329 TotalNumberOfCompositions, 19268 MoverChecksTotal - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 161 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.2s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.6s, HoareTripleCheckerStatistics: 403 SDtfs, 175 SDslu, 227 SDs, 0 SdLazy, 95 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=910occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 1000 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...