/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 15:51:16,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 15:51:16,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 15:51:16,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 15:51:16,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 15:51:16,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 15:51:16,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 15:51:16,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 15:51:16,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 15:51:16,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 15:51:16,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 15:51:16,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 15:51:16,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 15:51:16,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 15:51:16,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 15:51:16,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 15:51:16,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 15:51:16,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 15:51:16,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 15:51:16,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 15:51:16,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 15:51:16,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 15:51:16,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 15:51:16,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 15:51:16,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 15:51:16,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 15:51:16,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 15:51:16,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 15:51:16,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 15:51:16,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 15:51:16,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 15:51:16,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 15:51:16,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 15:51:16,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 15:51:16,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 15:51:16,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 15:51:16,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 15:51:16,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 15:51:16,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 15:51:16,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 15:51:16,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 15:51:16,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-McrStrategy.epf [2020-04-18 15:51:16,549 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 15:51:16,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 15:51:16,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 15:51:16,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 15:51:16,551 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 15:51:16,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 15:51:16,552 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 15:51:16,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 15:51:16,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 15:51:16,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 15:51:16,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 15:51:16,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 15:51:16,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 15:51:16,553 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 15:51:16,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 15:51:16,554 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 15:51:16,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 15:51:16,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 15:51:16,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 15:51:16,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 15:51:16,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 15:51:16,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 15:51:16,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 15:51:16,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 15:51:16,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 15:51:16,556 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 15:51:16,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 15:51:16,556 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 15:51:16,556 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 15:51:16,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 15:51:16,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 15:51:16,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 15:51:16,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 15:51:16,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 15:51:16,869 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 15:51:16,869 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 15:51:16,870 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-04-18 15:51:16,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4363ae7e9/f71cfc4d774d4bd7bb5ba659224666fb/FLAGa230a3657 [2020-04-18 15:51:17,521 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 15:51:17,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-04-18 15:51:17,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4363ae7e9/f71cfc4d774d4bd7bb5ba659224666fb/FLAGa230a3657 [2020-04-18 15:51:17,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4363ae7e9/f71cfc4d774d4bd7bb5ba659224666fb [2020-04-18 15:51:17,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 15:51:17,795 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 15:51:17,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 15:51:17,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 15:51:17,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 15:51:17,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:51:17" (1/1) ... [2020-04-18 15:51:17,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24545ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:17, skipping insertion in model container [2020-04-18 15:51:17,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:51:17" (1/1) ... [2020-04-18 15:51:17,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 15:51:17,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 15:51:18,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 15:51:18,636 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 15:51:18,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 15:51:19,339 INFO L208 MainTranslator]: Completed translation [2020-04-18 15:51:19,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:19 WrapperNode [2020-04-18 15:51:19,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 15:51:19,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 15:51:19,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 15:51:19,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 15:51:19,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:19" (1/1) ... [2020-04-18 15:51:19,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:19" (1/1) ... [2020-04-18 15:51:19,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 15:51:19,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 15:51:19,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 15:51:19,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 15:51:19,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:19" (1/1) ... [2020-04-18 15:51:19,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:19" (1/1) ... [2020-04-18 15:51:19,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:19" (1/1) ... [2020-04-18 15:51:19,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:19" (1/1) ... [2020-04-18 15:51:19,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:19" (1/1) ... [2020-04-18 15:51:19,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:19" (1/1) ... [2020-04-18 15:51:19,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:19" (1/1) ... [2020-04-18 15:51:19,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 15:51:19,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 15:51:19,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 15:51:19,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 15:51:19,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 15:51:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-04-18 15:51:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-04-18 15:51:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 15:51:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 15:51:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-04-18 15:51:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-04-18 15:51:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 15:51:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 15:51:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 15:51:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 15:51:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 15:51:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 15:51:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 15:51:19,714 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 15:51:20,723 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 15:51:20,729 INFO L295 CfgBuilder]: Removed 32 assume(true) statements. [2020-04-18 15:51:20,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:51:20 BoogieIcfgContainer [2020-04-18 15:51:20,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 15:51:20,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 15:51:20,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 15:51:20,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 15:51:20,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:51:17" (1/3) ... [2020-04-18 15:51:20,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a80b8f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:51:20, skipping insertion in model container [2020-04-18 15:51:20,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:19" (2/3) ... [2020-04-18 15:51:20,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a80b8f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:51:20, skipping insertion in model container [2020-04-18 15:51:20,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:51:20" (3/3) ... [2020-04-18 15:51:20,747 INFO L109 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2020-04-18 15:51:20,758 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 15:51:20,759 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 15:51:20,768 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-04-18 15:51:20,769 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 15:51:20,829 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,830 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,830 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,830 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,831 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,831 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,831 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,832 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,832 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,833 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,833 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,833 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,834 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,834 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,834 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,834 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,835 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,835 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,835 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,835 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,836 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,836 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,836 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,837 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,837 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,837 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,837 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,844 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,845 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,845 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,846 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,846 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,846 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,847 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,847 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,848 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,848 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,849 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,849 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,849 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,850 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,850 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,850 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,850 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,850 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,851 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,851 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,851 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,851 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,852 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,852 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,852 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,853 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,853 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,853 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,854 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,854 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,854 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,854 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,855 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,855 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,855 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,855 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,856 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,856 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,856 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,857 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,857 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,858 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,858 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,858 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,858 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,859 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,860 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,860 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,860 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,861 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,861 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,861 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,862 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,863 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,863 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,864 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,865 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,865 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,866 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,866 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,867 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,867 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,867 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,868 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,868 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,868 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,868 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,868 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,869 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,869 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,870 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,871 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,871 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,872 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,875 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,876 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,876 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,876 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,882 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,883 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,883 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,884 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,884 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,884 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,884 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,885 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,885 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,892 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,893 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,893 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,893 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,894 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,894 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,894 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,894 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,895 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,902 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,903 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,903 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,903 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,904 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,904 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,904 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,904 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,904 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,905 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,905 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,905 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,905 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,906 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,906 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,906 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,906 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,906 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,907 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,907 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,907 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,911 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,911 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,911 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,912 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,912 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,912 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,912 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,912 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,913 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:20,956 INFO L251 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-04-18 15:51:20,973 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 15:51:20,973 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 15:51:20,973 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 15:51:20,974 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 15:51:20,974 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 15:51:20,974 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 15:51:20,974 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 15:51:20,974 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 15:51:20,995 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 269 transitions, 580 flow [2020-04-18 15:51:20,997 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions, 580 flow [2020-04-18 15:51:21,180 INFO L129 PetriNetUnfolder]: 65/479 cut-off events. [2020-04-18 15:51:21,180 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-18 15:51:21,196 INFO L80 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 479 events. 65/479 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1213 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2020-04-18 15:51:21,215 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions, 580 flow [2020-04-18 15:51:21,287 INFO L129 PetriNetUnfolder]: 65/479 cut-off events. [2020-04-18 15:51:21,287 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-18 15:51:21,291 INFO L80 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 479 events. 65/479 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1213 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2020-04-18 15:51:21,307 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9678 [2020-04-18 15:51:21,308 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 15:51:21,942 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2020-04-18 15:51:29,764 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2020-04-18 15:51:30,935 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-04-18 15:51:31,040 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-04-18 15:51:31,653 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-04-18 15:51:31,816 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-04-18 15:51:31,984 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-04-18 15:51:32,159 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-04-18 15:51:32,511 WARN L192 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2020-04-18 15:51:32,669 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-04-18 15:51:32,686 INFO L206 etLargeBlockEncoding]: Checked pairs total: 13685 [2020-04-18 15:51:32,687 INFO L214 etLargeBlockEncoding]: Total number of compositions: 309 [2020-04-18 15:51:32,691 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56 places, 68 transitions, 178 flow [2020-04-18 15:51:32,749 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 827 states. [2020-04-18 15:51:32,751 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states. [2020-04-18 15:51:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-18 15:51:32,757 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:51:32,757 INFO L425 BasicCegarLoop]: trace histogram [1] [2020-04-18 15:51:32,758 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 15:51:32,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:32,763 INFO L82 PathProgramCache]: Analyzing trace with hash 949, now seen corresponding path program 1 times [2020-04-18 15:51:32,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:51:32,770 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [774027898] [2020-04-18 15:51:32,785 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:32,792 INFO L259 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-04-18 15:51:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-04-18 15:51:32,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-18 15:51:32,794 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:51:32,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:32,795 INFO L82 PathProgramCache]: Analyzing trace with hash 949, now seen corresponding path program 2 times [2020-04-18 15:51:32,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:32,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622093263] [2020-04-18 15:51:32,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:51:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:51:33,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622093263] [2020-04-18 15:51:33,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:51:33,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-04-18 15:51:33,045 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:51:33,046 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:33,046 INFO L259 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-04-18 15:51:33,047 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:51:33,051 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:51:33,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 15:51:33,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 15:51:33,059 INFO L87 Difference]: Start difference. First operand 2 states. Second operand 2 states. [2020-04-18 15:51:33,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:33,067 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2020-04-18 15:51:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states and 1 transitions. [2020-04-18 15:51:33,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:51:33,068 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [774027898] [2020-04-18 15:51:33,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:51:33,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [0] total 0 [2020-04-18 15:51:33,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [774027898] [2020-04-18 15:51:33,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 15:51:33,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:51:33,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 15:51:33,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 15:51:33,084 INFO L87 Difference]: Start difference. First operand 827 states. Second operand 2 states. [2020-04-18 15:51:33,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:33,155 INFO L93 Difference]: Finished difference Result 825 states and 2480 transitions. [2020-04-18 15:51:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 15:51:33,158 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-04-18 15:51:33,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:51:33,196 INFO L225 Difference]: With dead ends: 825 [2020-04-18 15:51:33,197 INFO L226 Difference]: Without dead ends: 796 [2020-04-18 15:51:33,198 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 15:51:33,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-04-18 15:51:33,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 796. [2020-04-18 15:51:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2020-04-18 15:51:33,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 2422 transitions. [2020-04-18 15:51:33,315 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 2422 transitions. Word has length 1 [2020-04-18 15:51:33,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:51:33,315 INFO L479 AbstractCegarLoop]: Abstraction has 796 states and 2422 transitions. [2020-04-18 15:51:33,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 15:51:33,316 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 2422 transitions. [2020-04-18 15:51:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 15:51:33,317 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:51:33,317 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-18 15:51:33,317 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 15:51:33,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:33,318 INFO L82 PathProgramCache]: Analyzing trace with hash 2017944740, now seen corresponding path program 1 times [2020-04-18 15:51:33,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:51:33,318 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [254418994] [2020-04-18 15:51:33,319 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:33,319 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 15:51:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 15:51:33,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 15:51:33,320 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:51:33,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:33,320 INFO L82 PathProgramCache]: Analyzing trace with hash 2017944740, now seen corresponding path program 2 times [2020-04-18 15:51:33,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:33,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785768166] [2020-04-18 15:51:33,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:51:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:51:33,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785768166] [2020-04-18 15:51:33,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:51:33,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 15:51:33,532 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:51:33,533 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:33,533 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 15:51:33,534 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:51:33,552 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:51:33,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 15:51:33,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 15:51:33,553 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2020-04-18 15:51:33,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:33,581 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-04-18 15:51:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-18 15:51:33,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:51:33,582 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [254418994] [2020-04-18 15:51:33,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:51:33,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 15:51:33,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [254418994] [2020-04-18 15:51:33,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 15:51:33,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:51:33,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 15:51:33,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 15:51:33,584 INFO L87 Difference]: Start difference. First operand 796 states and 2422 transitions. Second operand 4 states. [2020-04-18 15:51:33,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:33,721 INFO L93 Difference]: Finished difference Result 1618 states and 4961 transitions. [2020-04-18 15:51:33,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 15:51:33,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-04-18 15:51:33,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:51:33,734 INFO L225 Difference]: With dead ends: 1618 [2020-04-18 15:51:33,735 INFO L226 Difference]: Without dead ends: 1594 [2020-04-18 15:51:33,736 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 15:51:33,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2020-04-18 15:51:33,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 910. [2020-04-18 15:51:33,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-04-18 15:51:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 2733 transitions. [2020-04-18 15:51:33,817 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 2733 transitions. Word has length 6 [2020-04-18 15:51:33,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:51:33,818 INFO L479 AbstractCegarLoop]: Abstraction has 910 states and 2733 transitions. [2020-04-18 15:51:33,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 15:51:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 2733 transitions. [2020-04-18 15:51:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 15:51:33,819 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:51:33,820 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 15:51:33,820 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 15:51:33,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:33,820 INFO L82 PathProgramCache]: Analyzing trace with hash -2064392671, now seen corresponding path program 1 times [2020-04-18 15:51:33,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:51:33,821 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1750543834] [2020-04-18 15:51:33,821 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:33,822 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 15:51:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-04-18 15:51:33,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 15:51:33,822 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:51:33,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:33,823 INFO L82 PathProgramCache]: Analyzing trace with hash -2064392671, now seen corresponding path program 2 times [2020-04-18 15:51:33,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:33,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878225376] [2020-04-18 15:51:33,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:51:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:51:33,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878225376] [2020-04-18 15:51:33,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:51:33,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 15:51:33,886 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:51:33,887 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:33,888 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 15:51:33,888 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:51:33,893 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:51:33,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:33,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:33,894 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-04-18 15:51:33,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:33,899 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2020-04-18 15:51:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-04-18 15:51:33,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:51:33,899 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1750543834] [2020-04-18 15:51:33,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:51:33,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 15:51:33,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1750543834] [2020-04-18 15:51:33,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 15:51:33,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:51:33,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:33,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:33,901 INFO L87 Difference]: Start difference. First operand 910 states and 2733 transitions. Second operand 3 states. [2020-04-18 15:51:33,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:33,967 INFO L93 Difference]: Finished difference Result 1213 states and 3720 transitions. [2020-04-18 15:51:33,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 15:51:33,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 15:51:33,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:51:33,976 INFO L225 Difference]: With dead ends: 1213 [2020-04-18 15:51:33,976 INFO L226 Difference]: Without dead ends: 1177 [2020-04-18 15:51:33,976 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:33,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2020-04-18 15:51:34,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 882. [2020-04-18 15:51:34,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-04-18 15:51:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 2595 transitions. [2020-04-18 15:51:34,006 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 2595 transitions. Word has length 8 [2020-04-18 15:51:34,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:51:34,007 INFO L479 AbstractCegarLoop]: Abstraction has 882 states and 2595 transitions. [2020-04-18 15:51:34,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 15:51:34,007 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 2595 transitions. [2020-04-18 15:51:34,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 15:51:34,008 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:51:34,008 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 15:51:34,009 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 15:51:34,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:34,009 INFO L82 PathProgramCache]: Analyzing trace with hash 439172559, now seen corresponding path program 1 times [2020-04-18 15:51:34,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:51:34,009 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [662986880] [2020-04-18 15:51:34,010 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:34,010 INFO L259 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-04-18 15:51:34,010 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-04-18 15:51:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 15:51:34,011 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:51:34,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:34,011 INFO L82 PathProgramCache]: Analyzing trace with hash 439172559, now seen corresponding path program 2 times [2020-04-18 15:51:34,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:34,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699899168] [2020-04-18 15:51:34,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:51:34,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:51:34,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699899168] [2020-04-18 15:51:34,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:51:34,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 15:51:34,078 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:51:34,079 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:34,080 INFO L259 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-04-18 15:51:34,080 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:51:34,086 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:51:34,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:34,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:34,087 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2020-04-18 15:51:34,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:34,097 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2020-04-18 15:51:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2020-04-18 15:51:34,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:51:34,097 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [662986880] [2020-04-18 15:51:34,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:51:34,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 15:51:34,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [662986880] [2020-04-18 15:51:34,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 15:51:34,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:51:34,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:34,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:34,099 INFO L87 Difference]: Start difference. First operand 882 states and 2595 transitions. Second operand 3 states. [2020-04-18 15:51:34,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:34,133 INFO L93 Difference]: Finished difference Result 379 states and 973 transitions. [2020-04-18 15:51:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 15:51:34,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-04-18 15:51:34,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:51:34,136 INFO L225 Difference]: With dead ends: 379 [2020-04-18 15:51:34,136 INFO L226 Difference]: Without dead ends: 366 [2020-04-18 15:51:34,137 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:34,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-04-18 15:51:34,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2020-04-18 15:51:34,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-04-18 15:51:34,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 941 transitions. [2020-04-18 15:51:34,149 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 941 transitions. Word has length 9 [2020-04-18 15:51:34,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:51:34,150 INFO L479 AbstractCegarLoop]: Abstraction has 366 states and 941 transitions. [2020-04-18 15:51:34,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 15:51:34,150 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 941 transitions. [2020-04-18 15:51:34,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 15:51:34,156 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:51:34,156 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 15:51:34,156 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 15:51:34,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:34,157 INFO L82 PathProgramCache]: Analyzing trace with hash 717367589, now seen corresponding path program 1 times [2020-04-18 15:51:34,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:51:34,157 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1063368656] [2020-04-18 15:51:34,158 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:34,158 INFO L259 McrAutomatonBuilder]: Finished intersection with 17 states and 22 transitions. [2020-04-18 15:51:34,158 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-04-18 15:51:34,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 15:51:34,159 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:51:34,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:34,159 INFO L82 PathProgramCache]: Analyzing trace with hash 728705219, now seen corresponding path program 2 times [2020-04-18 15:51:34,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:34,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566307507] [2020-04-18 15:51:34,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:51:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:51:34,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566307507] [2020-04-18 15:51:34,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:51:34,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 15:51:34,237 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:51:34,238 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:34,240 INFO L259 McrAutomatonBuilder]: Finished intersection with 17 states and 21 transitions. [2020-04-18 15:51:34,240 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:51:34,267 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 2 times. [2020-04-18 15:51:34,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 15:51:34,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-18 15:51:34,268 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 4 states. [2020-04-18 15:51:34,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:34,285 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2020-04-18 15:51:34,285 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2020-04-18 15:51:34,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:51:34,286 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1063368656] [2020-04-18 15:51:34,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:51:34,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 15:51:34,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1063368656] [2020-04-18 15:51:34,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 15:51:34,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:51:34,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 15:51:34,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-18 15:51:34,288 INFO L87 Difference]: Start difference. First operand 366 states and 941 transitions. Second operand 4 states. [2020-04-18 15:51:34,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:34,341 INFO L93 Difference]: Finished difference Result 215 states and 557 transitions. [2020-04-18 15:51:34,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 15:51:34,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-04-18 15:51:34,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:51:34,343 INFO L225 Difference]: With dead ends: 215 [2020-04-18 15:51:34,344 INFO L226 Difference]: Without dead ends: 215 [2020-04-18 15:51:34,344 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-18 15:51:34,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-04-18 15:51:34,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 182. [2020-04-18 15:51:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-04-18 15:51:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 475 transitions. [2020-04-18 15:51:34,349 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 475 transitions. Word has length 10 [2020-04-18 15:51:34,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:51:34,350 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 475 transitions. [2020-04-18 15:51:34,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 15:51:34,350 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 475 transitions. [2020-04-18 15:51:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 15:51:34,351 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:51:34,351 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 15:51:34,351 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 15:51:34,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:34,351 INFO L82 PathProgramCache]: Analyzing trace with hash 762194488, now seen corresponding path program 1 times [2020-04-18 15:51:34,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:51:34,352 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1596823289] [2020-04-18 15:51:34,352 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:34,353 INFO L259 McrAutomatonBuilder]: Finished intersection with 26 states and 37 transitions. [2020-04-18 15:51:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-04-18 15:51:34,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 15:51:34,354 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:51:34,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:34,354 INFO L82 PathProgramCache]: Analyzing trace with hash 762194488, now seen corresponding path program 2 times [2020-04-18 15:51:34,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:34,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010411352] [2020-04-18 15:51:34,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:51:34,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:51:34,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010411352] [2020-04-18 15:51:34,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:51:34,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 15:51:34,408 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:51:34,409 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:34,412 INFO L259 McrAutomatonBuilder]: Finished intersection with 26 states and 37 transitions. [2020-04-18 15:51:34,412 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:51:34,419 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:51:34,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:34,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:34,420 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2020-04-18 15:51:34,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:34,428 INFO L93 Difference]: Finished difference Result 26 states and 37 transitions. [2020-04-18 15:51:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2020-04-18 15:51:34,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:51:34,429 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1596823289] [2020-04-18 15:51:34,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:51:34,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 15:51:34,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1596823289] [2020-04-18 15:51:34,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 15:51:34,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:51:34,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:34,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:34,430 INFO L87 Difference]: Start difference. First operand 182 states and 475 transitions. Second operand 3 states. [2020-04-18 15:51:34,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:34,454 INFO L93 Difference]: Finished difference Result 176 states and 464 transitions. [2020-04-18 15:51:34,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 15:51:34,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-04-18 15:51:34,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:51:34,456 INFO L225 Difference]: With dead ends: 176 [2020-04-18 15:51:34,456 INFO L226 Difference]: Without dead ends: 142 [2020-04-18 15:51:34,456 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:34,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-04-18 15:51:34,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-04-18 15:51:34,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-04-18 15:51:34,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 394 transitions. [2020-04-18 15:51:34,461 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 394 transitions. Word has length 13 [2020-04-18 15:51:34,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:51:34,461 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 394 transitions. [2020-04-18 15:51:34,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 15:51:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 394 transitions. [2020-04-18 15:51:34,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-04-18 15:51:34,462 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:51:34,462 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 15:51:34,462 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 15:51:34,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:34,463 INFO L82 PathProgramCache]: Analyzing trace with hash 315891433, now seen corresponding path program 1 times [2020-04-18 15:51:34,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:51:34,463 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1244926575] [2020-04-18 15:51:34,464 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:34,464 INFO L259 McrAutomatonBuilder]: Finished intersection with 25 states and 32 transitions. [2020-04-18 15:51:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-04-18 15:51:34,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-04-18 15:51:34,465 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:51:34,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:34,465 INFO L82 PathProgramCache]: Analyzing trace with hash 315891433, now seen corresponding path program 2 times [2020-04-18 15:51:34,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:34,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565652799] [2020-04-18 15:51:34,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:51:34,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-04-18 15:51:34,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565652799] [2020-04-18 15:51:34,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:51:34,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 15:51:34,522 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:51:34,524 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:34,528 INFO L259 McrAutomatonBuilder]: Finished intersection with 25 states and 32 transitions. [2020-04-18 15:51:34,528 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:51:34,534 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:51:34,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:34,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:34,535 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 3 states. [2020-04-18 15:51:34,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:34,540 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2020-04-18 15:51:34,540 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2020-04-18 15:51:34,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:51:34,540 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1244926575] [2020-04-18 15:51:34,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:51:34,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 15:51:34,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1244926575] [2020-04-18 15:51:34,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 15:51:34,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:51:34,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:34,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:34,542 INFO L87 Difference]: Start difference. First operand 142 states and 394 transitions. Second operand 3 states. [2020-04-18 15:51:34,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:34,558 INFO L93 Difference]: Finished difference Result 237 states and 680 transitions. [2020-04-18 15:51:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 15:51:34,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-04-18 15:51:34,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:51:34,559 INFO L225 Difference]: With dead ends: 237 [2020-04-18 15:51:34,559 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 15:51:34,559 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:34,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 15:51:34,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 15:51:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 15:51:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 15:51:34,560 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-04-18 15:51:34,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:51:34,560 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 15:51:34,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 15:51:34,560 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 15:51:34,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:51:34,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 03:51:34 BasicIcfg [2020-04-18 15:51:34,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 15:51:34,566 INFO L168 Benchmark]: Toolchain (without parser) took 16793.00 ms. Allocated memory was 136.8 MB in the beginning and 351.3 MB in the end (delta: 214.4 MB). Free memory was 98.2 MB in the beginning and 167.2 MB in the end (delta: -69.0 MB). Peak memory consumption was 145.4 MB. Max. memory is 7.1 GB. [2020-04-18 15:51:34,567 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 15:51:34,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1543.68 ms. Allocated memory was 136.8 MB in the beginning and 232.3 MB in the end (delta: 95.4 MB). Free memory was 96.4 MB in the beginning and 164.5 MB in the end (delta: -68.1 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2020-04-18 15:51:34,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.46 ms. Allocated memory is still 232.3 MB. Free memory was 164.5 MB in the beginning and 161.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-04-18 15:51:34,569 INFO L168 Benchmark]: Boogie Preprocessor took 113.14 ms. Allocated memory is still 232.3 MB. Free memory was 161.5 MB in the beginning and 158.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-04-18 15:51:34,570 INFO L168 Benchmark]: RCFGBuilder took 1114.94 ms. Allocated memory is still 232.3 MB. Free memory was 158.6 MB in the beginning and 106.8 MB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 7.1 GB. [2020-04-18 15:51:34,571 INFO L168 Benchmark]: TraceAbstraction took 13826.94 ms. Allocated memory was 232.3 MB in the beginning and 351.3 MB in the end (delta: 119.0 MB). Free memory was 106.8 MB in the beginning and 167.2 MB in the end (delta: -60.4 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB. [2020-04-18 15:51:34,574 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1543.68 ms. Allocated memory was 136.8 MB in the beginning and 232.3 MB in the end (delta: 95.4 MB). Free memory was 96.4 MB in the beginning and 164.5 MB in the end (delta: -68.1 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 167.46 ms. Allocated memory is still 232.3 MB. Free memory was 164.5 MB in the beginning and 161.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.14 ms. Allocated memory is still 232.3 MB. Free memory was 161.5 MB in the beginning and 158.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1114.94 ms. Allocated memory is still 232.3 MB. Free memory was 158.6 MB in the beginning and 106.8 MB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13826.94 ms. Allocated memory was 232.3 MB in the beginning and 351.3 MB in the end (delta: 119.0 MB). Free memory was 106.8 MB in the beginning and 167.2 MB in the end (delta: -60.4 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 11.6s, 237 ProgramPointsBefore, 56 ProgramPointsAfterwards, 269 TransitionsBefore, 68 TransitionsAfterwards, 9678 CoEnabledTransitionPairs, 8 FixpointIterations, 138 TrivialSequentialCompositions, 117 ConcurrentSequentialCompositions, 18 TrivialYvCompositions, 36 ConcurrentYvCompositions, 20 ChoiceCompositions, 5593 VarBasedMoverChecksPositive, 47 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 13685 CheckedPairsTotal, 309 TotalNumberOfCompositions - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 161 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.7s, HoareTripleCheckerStatistics: 403 SDtfs, 187 SDslu, 252 SDs, 0 SdLazy, 109 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 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, 1012 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...