java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 10:12:16,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 10:12:16,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 10:12:16,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 10:12:16,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 10:12:16,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 10:12:16,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 10:12:16,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 10:12:16,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 10:12:16,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 10:12:16,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 10:12:16,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 10:12:16,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 10:12:16,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 10:12:16,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 10:12:16,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 10:12:16,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 10:12:16,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 10:12:16,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 10:12:16,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 10:12:16,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 10:12:16,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 10:12:16,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 10:12:16,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 10:12:16,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 10:12:16,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 10:12:16,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 10:12:16,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 10:12:16,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 10:12:16,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 10:12:16,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 10:12:16,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 10:12:16,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 10:12:16,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 10:12:16,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 10:12:16,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 10:12:16,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 10:12:16,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 10:12:16,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 10:12:16,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 10:12:16,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 10:12:16,730 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 10:12:16,746 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 10:12:16,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 10:12:16,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 10:12:16,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 10:12:16,748 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 10:12:16,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 10:12:16,749 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 10:12:16,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 10:12:16,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 10:12:16,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 10:12:16,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 10:12:16,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 10:12:16,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 10:12:16,750 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 10:12:16,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 10:12:16,750 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 10:12:16,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 10:12:16,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 10:12:16,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 10:12:16,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 10:12:16,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 10:12:16,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 10:12:16,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 10:12:16,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 10:12:16,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 10:12:16,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 10:12:16,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 10:12:16,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 10:12:16,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 10:12:16,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 10:12:16,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 10:12:16,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 10:12:16,804 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 10:12:16,805 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 10:12:16,806 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2019-10-02 10:12:16,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748d2f33b/35b35b95eff343c38034083fc71ff574/FLAG6c7ae2e61 [2019-10-02 10:12:17,768 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 10:12:17,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2019-10-02 10:12:17,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748d2f33b/35b35b95eff343c38034083fc71ff574/FLAG6c7ae2e61 [2019-10-02 10:12:18,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748d2f33b/35b35b95eff343c38034083fc71ff574 [2019-10-02 10:12:18,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 10:12:18,235 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 10:12:18,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 10:12:18,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 10:12:18,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 10:12:18,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:12:18" (1/1) ... [2019-10-02 10:12:18,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ddbf75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:12:18, skipping insertion in model container [2019-10-02 10:12:18,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:12:18" (1/1) ... [2019-10-02 10:12:18,253 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 10:12:18,417 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 10:12:20,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:12:20,593 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 10:12:21,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:12:21,530 INFO L192 MainTranslator]: Completed translation [2019-10-02 10:12:21,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:12:21 WrapperNode [2019-10-02 10:12:21,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 10:12:21,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 10:12:21,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 10:12:21,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 10:12:21,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:12:21" (1/1) ... [2019-10-02 10:12:21,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:12:21" (1/1) ... [2019-10-02 10:12:21,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:12:21" (1/1) ... [2019-10-02 10:12:21,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:12:21" (1/1) ... [2019-10-02 10:12:21,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:12:21" (1/1) ... [2019-10-02 10:12:21,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:12:21" (1/1) ... [2019-10-02 10:12:21,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:12:21" (1/1) ... [2019-10-02 10:12:22,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 10:12:22,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 10:12:22,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 10:12:22,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 10:12:22,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:12:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 10:12:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 10:12:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 10:12:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 10:12:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 10:12:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-02 10:12:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 10:12:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 10:12:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-02 10:12:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-02 10:12:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 10:12:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 10:12:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 10:12:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 10:12:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 10:12:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-02 10:12:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-02 10:12:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-02 10:12:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-02 10:12:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 10:12:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-02 10:12:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-02 10:12:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-02 10:12:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-02 10:12:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-02 10:12:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-02 10:12:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 10:12:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 10:12:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-02 10:12:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-02 10:12:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_control [2019-10-02 10:12:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-02 10:12:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2019-10-02 10:12:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-02 10:12:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2019-10-02 10:12:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-10-02 10:12:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-10-02 10:12:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0state_string [2019-10-02 10:12:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dbgprint_request [2019-10-02 10:12:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dbgprint_devreq [2019-10-02 10:12:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_seq_ep_show [2019-10-02 10:12:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_seq_show [2019-10-02 10:12:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_open [2019-10-02 10:12:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_create [2019-10-02 10:12:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_delete [2019-10-02 10:12:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_alloc_dma_desc [2019-10-02 10:12:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_dma_desc [2019-10-02 10:12:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_dma_desc_chain [2019-10-02 10:12:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_finish_request [2019-10-02 10:12:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_alloc_request [2019-10-02 10:12:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_start_dma [2019-10-02 10:12:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dma_advance [2019-10-02 10:12:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_abort_dma [2019-10-02 10:12:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_add_dma_desc [2019-10-02 10:12:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_setup_out_desc_list [2019-10-02 10:12:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_setup_in_desc_list [2019-10-02 10:12:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue [2019-10-02 10:12:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue_int [2019-10-02 10:12:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_nuke [2019-10-02 10:12:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_reset [2019-10-02 10:12:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_control_stall [2019-10-02 10:12:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_halt_wedge [2019-10-02 10:12:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_ep0state [2019-10-02 10:12:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_disable_interrupts_and_pullup [2019-10-02 10:12:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_stop_activity [2019-10-02 10:12:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_testmode_complete [2019-10-02 10:12:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_dummy_complete [2019-10-02 10:12:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond [2019-10-02 10:12:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_u16 [2019-10-02 10:12:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_empty [2019-10-02 10:12:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_address [2019-10-02 10:12:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_device_request [2019-10-02 10:12:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_interface_request [2019-10-02 10:12:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_endpoint_request [2019-10-02 10:12:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0out_requeue [2019-10-02 10:12:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_setup [2019-10-02 10:12:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_vbus_connected [2019-10-02 10:12:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_enable_vbus_detect [2019-10-02 10:12:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_vbus_disconnected [2019-10-02 10:12:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_usbreset [2019-10-02 10:12:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_handle_in_ep [2019-10-02 10:12:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_handle_out_ep [2019-10-02 10:12:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_handle_state_changes [2019-10-02 10:12:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq_handler [2019-10-02 10:12:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq [2019-10-02 10:12:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_enable [2019-10-02 10:12:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_disable [2019-10-02 10:12:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_request [2019-10-02 10:12:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue_ext [2019-10-02 10:12:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dequeue [2019-10-02 10:12:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_halt_wedge [2019-10-02 10:12:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_halt [2019-10-02 10:12:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_wedge [2019-10-02 10:12:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_status [2019-10-02 10:12:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_flush [2019-10-02 10:12:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_get_frame [2019-10-02 10:12:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_wakeup [2019-10-02 10:12:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_pullup [2019-10-02 10:12:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_start [2019-10-02 10:12:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_stop [2019-10-02 10:12:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_init [2019-10-02 10:12:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_init [2019-10-02 10:12:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_remove [2019-10-02 10:12:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_remove [2019-10-02 10:12:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_request_irq [2019-10-02 10:12:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_probe [2019-10-02 10:12:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_driver_init [2019-10-02 10:12:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_driver_exit [2019-10-02 10:12:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_probe_3 [2019-10-02 10:12:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2019-10-02 10:12:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2019-10-02 10:12:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_6 [2019-10-02 10:12:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2019-10-02 10:12:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-02 10:12:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_3 [2019-10-02 10:12:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-02 10:12:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2019-10-02 10:12:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-02 10:12:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-02 10:12:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-02 10:12:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_ep_ops_5 [2019-10-02 10:12:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_ops_4 [2019-10-02 10:12:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2019-10-02 10:12:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 10:12:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-02 10:12:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-02 10:12:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 10:12:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 10:12:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 10:12:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-02 10:12:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 10:12:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_23 [2019-10-02 10:12:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_25 [2019-10-02 10:12:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_26 [2019-10-02 10:12:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_27 [2019-10-02 10:12:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_28 [2019-10-02 10:12:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 10:12:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 10:12:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 10:12:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 10:12:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 10:12:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-02 10:12:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-02 10:12:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-02 10:12:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-02 10:12:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-02 10:12:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-02 10:12:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-02 10:12:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-02 10:12:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-02 10:12:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2019-10-02 10:12:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 10:12:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-02 10:12:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 10:12:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 10:12:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 10:12:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2019-10-02 10:12:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2019-10-02 10:12:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2019-10-02 10:12:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 10:12:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2019-10-02 10:12:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2019-10-02 10:12:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2019-10-02 10:12:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-02 10:12:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-02 10:12:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2019-10-02 10:12:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2019-10-02 10:12:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2019-10-02 10:12:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32be [2019-10-02 10:12:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32be [2019-10-02 10:12:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 10:12:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 10:12:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-02 10:12:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32_index [2019-10-02 10:12:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-10-02 10:12:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2019-10-02 10:12:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-10-02 10:12:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2019-10-02 10:12:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2019-10-02 10:12:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2019-10-02 10:12:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2019-10-02 10:12:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2019-10-02 10:12:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2019-10-02 10:12:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_gadget_udc [2019-10-02 10:12:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_del_gadget_udc [2019-10-02 10:12:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_giveback_request [2019-10-02 10:12:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_map_request [2019-10-02 10:12:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2019-10-02 10:12:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_unmap_request [2019-10-02 10:12:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2019-10-02 10:12:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_state_string [2019-10-02 10:12:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-02 10:12:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 10:12:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 10:12:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 10:12:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 10:12:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 10:12:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 10:12:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 10:12:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 10:12:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-02 10:12:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 10:12:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 10:12:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-02 10:12:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-02 10:12:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 10:12:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 10:12:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 10:12:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 10:12:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 10:12:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 10:12:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 10:12:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 10:12:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 10:12:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 10:12:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 10:12:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-02 10:12:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-02 10:12:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 10:12:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 10:12:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 10:12:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 10:12:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 10:12:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-02 10:12:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 10:12:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-02 10:12:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-02 10:12:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 10:12:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-02 10:12:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-02 10:12:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-02 10:12:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-02 10:12:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 10:12:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-02 10:12:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-02 10:12:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 10:12:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 10:12:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 10:12:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 10:12:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 10:12:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-02 10:12:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 10:12:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-02 10:12:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 10:12:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-02 10:12:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 10:12:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32be [2019-10-02 10:12:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32be [2019-10-02 10:12:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-02 10:12:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 10:12:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-02 10:12:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 10:12:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-02 10:12:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_probe_3 [2019-10-02 10:12:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2019-10-02 10:12:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2019-10-02 10:12:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_6 [2019-10-02 10:12:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2019-10-02 10:12:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-02 10:12:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_3 [2019-10-02 10:12:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-02 10:12:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2019-10-02 10:12:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-02 10:12:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-02 10:12:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-02 10:12:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_ep_ops_5 [2019-10-02 10:12:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_ops_4 [2019-10-02 10:12:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2019-10-02 10:12:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2019-10-02 10:12:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_23 [2019-10-02 10:12:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_26 [2019-10-02 10:12:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2019-10-02 10:12:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2019-10-02 10:12:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2019-10-02 10:12:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2019-10-02 10:12:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2019-10-02 10:12:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2019-10-02 10:12:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2019-10-02 10:12:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-02 10:12:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2019-10-02 10:12:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-02 10:12:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 10:12:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 10:12:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 10:12:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-02 10:12:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-02 10:12:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 10:12:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-02 10:12:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_control [2019-10-02 10:12:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-02 10:12:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2019-10-02 10:12:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-02 10:12:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2019-10-02 10:12:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_state_string [2019-10-02 10:12:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2019-10-02 10:12:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 10:12:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_gadget_udc [2019-10-02 10:12:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_del_gadget_udc [2019-10-02 10:12:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_map_request [2019-10-02 10:12:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unmap_request [2019-10-02 10:12:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2019-10-02 10:12:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_giveback_request [2019-10-02 10:12:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-02 10:12:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-02 10:12:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2019-10-02 10:12:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2019-10-02 10:12:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_25 [2019-10-02 10:12:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2019-10-02 10:12:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2019-10-02 10:12:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2019-10-02 10:12:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2019-10-02 10:12:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-10-02 10:12:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2019-10-02 10:12:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2019-10-02 10:12:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_27 [2019-10-02 10:12:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-10-02 10:12:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_28 [2019-10-02 10:12:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-10-02 10:12:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-10-02 10:12:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32_index [2019-10-02 10:12:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0state_string [2019-10-02 10:12:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 10:12:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dbgprint_request [2019-10-02 10:12:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dbgprint_devreq [2019-10-02 10:12:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure gr_seq_ep_show [2019-10-02 10:12:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure gr_seq_show [2019-10-02 10:12:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_open [2019-10-02 10:12:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_create [2019-10-02 10:12:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_delete [2019-10-02 10:12:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure gr_alloc_dma_desc [2019-10-02 10:12:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_dma_desc [2019-10-02 10:12:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_dma_desc_chain [2019-10-02 10:12:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_setup [2019-10-02 10:12:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure gr_finish_request [2019-10-02 10:12:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 10:12:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure gr_alloc_request [2019-10-02 10:12:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure gr_start_dma [2019-10-02 10:12:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dma_advance [2019-10-02 10:12:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure gr_abort_dma [2019-10-02 10:12:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure gr_add_dma_desc [2019-10-02 10:12:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure gr_setup_out_desc_list [2019-10-02 10:12:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure gr_setup_in_desc_list [2019-10-02 10:12:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue [2019-10-02 10:12:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue_int [2019-10-02 10:12:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_nuke [2019-10-02 10:12:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_reset [2019-10-02 10:12:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure gr_control_stall [2019-10-02 10:12:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_halt_wedge [2019-10-02 10:12:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_ep0state [2019-10-02 10:12:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure gr_disable_interrupts_and_pullup [2019-10-02 10:12:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure gr_stop_activity [2019-10-02 10:12:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_testmode_complete [2019-10-02 10:12:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_dummy_complete [2019-10-02 10:12:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond [2019-10-02 10:12:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_u16 [2019-10-02 10:12:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_empty [2019-10-02 10:12:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_address [2019-10-02 10:12:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure gr_device_request [2019-10-02 10:12:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure gr_interface_request [2019-10-02 10:12:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure gr_endpoint_request [2019-10-02 10:12:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0out_requeue [2019-10-02 10:12:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 10:12:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure gr_vbus_connected [2019-10-02 10:12:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure gr_enable_vbus_detect [2019-10-02 10:12:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure gr_vbus_disconnected [2019-10-02 10:12:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 10:12:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_usbreset [2019-10-02 10:12:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure gr_handle_in_ep [2019-10-02 10:12:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure gr_handle_out_ep [2019-10-02 10:12:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure gr_handle_state_changes [2019-10-02 10:12:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq_handler [2019-10-02 10:12:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq [2019-10-02 10:12:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_enable [2019-10-02 10:12:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_disable [2019-10-02 10:12:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_request [2019-10-02 10:12:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue_ext [2019-10-02 10:12:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dequeue [2019-10-02 10:12:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_halt_wedge [2019-10-02 10:12:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_halt [2019-10-02 10:12:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_wedge [2019-10-02 10:12:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_status [2019-10-02 10:12:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_flush [2019-10-02 10:12:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure gr_get_frame [2019-10-02 10:12:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure gr_wakeup [2019-10-02 10:12:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure gr_pullup [2019-10-02 10:12:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_start [2019-10-02 10:12:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_stop [2019-10-02 10:12:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_init [2019-10-02 10:12:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_init [2019-10-02 10:12:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_remove [2019-10-02 10:12:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure gr_remove [2019-10-02 10:12:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure gr_request_irq [2019-10-02 10:12:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure gr_probe [2019-10-02 10:12:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure gr_driver_init [2019-10-02 10:12:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure gr_driver_exit [2019-10-02 10:12:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 10:12:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 10:12:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-02 10:12:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 10:12:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 10:12:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 10:12:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 10:12:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-02 10:12:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-02 10:12:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-02 10:12:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-02 10:12:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 10:12:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 10:12:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 10:12:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 10:12:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 10:12:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 10:12:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 10:12:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 10:12:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 10:12:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 10:12:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 10:12:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 10:12:23,932 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 10:12:39,623 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 10:12:39,624 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 10:12:39,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:12:39 BoogieIcfgContainer [2019-10-02 10:12:39,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 10:12:39,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 10:12:39,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 10:12:39,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 10:12:39,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 10:12:18" (1/3) ... [2019-10-02 10:12:39,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d5ae796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:12:39, skipping insertion in model container [2019-10-02 10:12:39,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:12:21" (2/3) ... [2019-10-02 10:12:39,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d5ae796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:12:39, skipping insertion in model container [2019-10-02 10:12:39,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:12:39" (3/3) ... [2019-10-02 10:12:39,637 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2019-10-02 10:12:39,648 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 10:12:39,662 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 10:12:39,680 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 10:12:39,734 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 10:12:39,734 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 10:12:39,735 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 10:12:39,735 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 10:12:39,735 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 10:12:39,735 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 10:12:39,735 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 10:12:39,735 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 10:12:39,735 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 10:12:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states. [2019-10-02 10:12:39,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-02 10:12:39,826 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:12:39,828 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:12:39,830 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:12:39,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:12:39,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1124735910, now seen corresponding path program 1 times [2019-10-02 10:12:39,838 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:12:39,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:12:39,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:39,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:12:39,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:12:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2019-10-02 10:12:41,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:12:41,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:12:41,181 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:12:41,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:12:41,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:12:41,199 INFO L87 Difference]: Start difference. First operand 1831 states. Second operand 3 states. [2019-10-02 10:12:42,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:12:42,452 INFO L93 Difference]: Finished difference Result 5123 states and 7099 transitions. [2019-10-02 10:12:42,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:12:42,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-10-02 10:12:42,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:12:42,517 INFO L225 Difference]: With dead ends: 5123 [2019-10-02 10:12:42,517 INFO L226 Difference]: Without dead ends: 3316 [2019-10-02 10:12:42,538 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:12:42,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2019-10-02 10:12:42,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 3313. [2019-10-02 10:12:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2019-10-02 10:12:42,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 4492 transitions. [2019-10-02 10:12:42,901 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 4492 transitions. Word has length 148 [2019-10-02 10:12:42,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:12:42,903 INFO L475 AbstractCegarLoop]: Abstraction has 3313 states and 4492 transitions. [2019-10-02 10:12:42,903 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:12:42,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 4492 transitions. [2019-10-02 10:12:42,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-10-02 10:12:42,915 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:12:42,915 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:12:42,916 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:12:42,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:12:42,916 INFO L82 PathProgramCache]: Analyzing trace with hash 596158502, now seen corresponding path program 1 times [2019-10-02 10:12:42,917 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:12:42,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:12:42,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:42,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:12:42,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:12:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:12:44,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:12:44,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:12:44,663 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:12:44,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:12:44,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:12:44,664 INFO L87 Difference]: Start difference. First operand 3313 states and 4492 transitions. Second operand 5 states. [2019-10-02 10:12:45,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:12:45,057 INFO L93 Difference]: Finished difference Result 9889 states and 13420 transitions. [2019-10-02 10:12:45,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 10:12:45,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 229 [2019-10-02 10:12:45,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:12:45,119 INFO L225 Difference]: With dead ends: 9889 [2019-10-02 10:12:45,119 INFO L226 Difference]: Without dead ends: 6612 [2019-10-02 10:12:45,137 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 10:12:45,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6612 states. [2019-10-02 10:12:45,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6612 to 6589. [2019-10-02 10:12:45,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6589 states. [2019-10-02 10:12:45,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6589 states to 6589 states and 8937 transitions. [2019-10-02 10:12:45,539 INFO L78 Accepts]: Start accepts. Automaton has 6589 states and 8937 transitions. Word has length 229 [2019-10-02 10:12:45,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:12:45,540 INFO L475 AbstractCegarLoop]: Abstraction has 6589 states and 8937 transitions. [2019-10-02 10:12:45,541 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:12:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 6589 states and 8937 transitions. [2019-10-02 10:12:45,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-10-02 10:12:45,558 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:12:45,558 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:12:45,558 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:12:45,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:12:45,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1792192382, now seen corresponding path program 1 times [2019-10-02 10:12:45,559 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:12:45,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:12:45,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:45,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:12:45,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:12:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:12:46,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:12:46,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:12:46,213 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:12:46,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:12:46,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:12:46,214 INFO L87 Difference]: Start difference. First operand 6589 states and 8937 transitions. Second operand 5 states. [2019-10-02 10:12:46,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:12:46,536 INFO L93 Difference]: Finished difference Result 11908 states and 16192 transitions. [2019-10-02 10:12:46,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 10:12:46,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2019-10-02 10:12:46,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:12:46,583 INFO L225 Difference]: With dead ends: 11908 [2019-10-02 10:12:46,584 INFO L226 Difference]: Without dead ends: 6621 [2019-10-02 10:12:46,614 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 10:12:46,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6621 states. [2019-10-02 10:12:47,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6621 to 6597. [2019-10-02 10:12:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6597 states. [2019-10-02 10:12:47,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6597 states to 6597 states and 8941 transitions. [2019-10-02 10:12:47,344 INFO L78 Accepts]: Start accepts. Automaton has 6597 states and 8941 transitions. Word has length 230 [2019-10-02 10:12:47,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:12:47,348 INFO L475 AbstractCegarLoop]: Abstraction has 6597 states and 8941 transitions. [2019-10-02 10:12:47,348 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:12:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 6597 states and 8941 transitions. [2019-10-02 10:12:47,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-02 10:12:47,362 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:12:47,362 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:12:47,362 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:12:47,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:12:47,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1603413532, now seen corresponding path program 1 times [2019-10-02 10:12:47,363 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:12:47,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:12:47,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:47,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:12:47,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:12:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:12:48,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:12:48,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:12:48,054 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:12:48,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:12:48,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:12:48,055 INFO L87 Difference]: Start difference. First operand 6597 states and 8941 transitions. Second operand 5 states. [2019-10-02 10:12:48,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:12:48,628 INFO L93 Difference]: Finished difference Result 19743 states and 26821 transitions. [2019-10-02 10:12:48,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 10:12:48,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2019-10-02 10:12:48,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:12:48,721 INFO L225 Difference]: With dead ends: 19743 [2019-10-02 10:12:48,721 INFO L226 Difference]: Without dead ends: 13182 [2019-10-02 10:12:48,759 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 10:12:48,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13182 states. [2019-10-02 10:12:49,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13182 to 13139. [2019-10-02 10:12:49,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13139 states. [2019-10-02 10:12:49,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13139 states to 13139 states and 17825 transitions. [2019-10-02 10:12:49,371 INFO L78 Accepts]: Start accepts. Automaton has 13139 states and 17825 transitions. Word has length 226 [2019-10-02 10:12:49,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:12:49,372 INFO L475 AbstractCegarLoop]: Abstraction has 13139 states and 17825 transitions. [2019-10-02 10:12:49,372 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:12:49,372 INFO L276 IsEmpty]: Start isEmpty. Operand 13139 states and 17825 transitions. [2019-10-02 10:12:49,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-10-02 10:12:49,397 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:12:49,397 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:12:49,397 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:12:49,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:12:49,398 INFO L82 PathProgramCache]: Analyzing trace with hash -758931223, now seen corresponding path program 1 times [2019-10-02 10:12:49,398 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:12:49,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:12:49,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:49,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:12:49,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:12:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:12:50,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:12:50,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:12:50,325 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:12:50,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:12:50,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:12:50,327 INFO L87 Difference]: Start difference. First operand 13139 states and 17825 transitions. Second operand 5 states. [2019-10-02 10:12:50,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:12:50,934 INFO L93 Difference]: Finished difference Result 23786 states and 32337 transitions. [2019-10-02 10:12:50,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 10:12:50,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 231 [2019-10-02 10:12:50,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:12:51,043 INFO L225 Difference]: With dead ends: 23786 [2019-10-02 10:12:51,043 INFO L226 Difference]: Without dead ends: 13203 [2019-10-02 10:12:51,106 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 10:12:51,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13203 states. [2019-10-02 10:12:51,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13203 to 13155. [2019-10-02 10:12:51,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13155 states. [2019-10-02 10:12:51,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13155 states to 13155 states and 17833 transitions. [2019-10-02 10:12:51,823 INFO L78 Accepts]: Start accepts. Automaton has 13155 states and 17833 transitions. Word has length 231 [2019-10-02 10:12:51,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:12:51,824 INFO L475 AbstractCegarLoop]: Abstraction has 13155 states and 17833 transitions. [2019-10-02 10:12:51,824 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:12:51,825 INFO L276 IsEmpty]: Start isEmpty. Operand 13155 states and 17833 transitions. [2019-10-02 10:12:51,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-10-02 10:12:51,847 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:12:51,848 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:12:51,848 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:12:51,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:12:51,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1521500009, now seen corresponding path program 1 times [2019-10-02 10:12:51,849 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:12:51,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:12:51,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:51,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:12:51,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:12:52,488 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:12:52,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:12:52,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:12:52,489 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:12:52,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:12:52,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:12:52,490 INFO L87 Difference]: Start difference. First operand 13155 states and 17833 transitions. Second operand 5 states. [2019-10-02 10:12:53,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:12:53,522 INFO L93 Difference]: Finished difference Result 30381 states and 41313 transitions. [2019-10-02 10:12:53,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 10:12:53,523 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2019-10-02 10:12:53,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:12:53,632 INFO L225 Difference]: With dead ends: 30381 [2019-10-02 10:12:53,632 INFO L226 Difference]: Without dead ends: 19792 [2019-10-02 10:12:53,685 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 10:12:53,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19792 states. [2019-10-02 10:12:54,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19792 to 19729. [2019-10-02 10:12:54,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19729 states. [2019-10-02 10:12:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19729 states to 19729 states and 26745 transitions. [2019-10-02 10:12:54,689 INFO L78 Accepts]: Start accepts. Automaton has 19729 states and 26745 transitions. Word has length 227 [2019-10-02 10:12:54,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:12:54,690 INFO L475 AbstractCegarLoop]: Abstraction has 19729 states and 26745 transitions. [2019-10-02 10:12:54,690 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:12:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 19729 states and 26745 transitions. [2019-10-02 10:12:54,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-02 10:12:54,710 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:12:54,711 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:12:54,711 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:12:54,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:12:54,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1029879131, now seen corresponding path program 1 times [2019-10-02 10:12:54,712 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:12:54,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:12:54,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:54,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:12:54,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:12:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:12:55,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:12:55,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:12:55,256 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:12:55,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:12:55,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:12:55,257 INFO L87 Difference]: Start difference. First operand 19729 states and 26745 transitions. Second operand 5 states. [2019-10-02 10:12:56,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:12:56,781 INFO L93 Difference]: Finished difference Result 35610 states and 48366 transitions. [2019-10-02 10:12:56,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 10:12:56,781 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2019-10-02 10:12:56,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:12:56,884 INFO L225 Difference]: With dead ends: 35610 [2019-10-02 10:12:56,884 INFO L226 Difference]: Without dead ends: 19699 [2019-10-02 10:12:56,937 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 10:12:56,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19699 states. [2019-10-02 10:12:57,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19699 to 19645. [2019-10-02 10:12:57,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19645 states. [2019-10-02 10:12:57,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19645 states to 19645 states and 26601 transitions. [2019-10-02 10:12:57,814 INFO L78 Accepts]: Start accepts. Automaton has 19645 states and 26601 transitions. Word has length 232 [2019-10-02 10:12:57,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:12:57,817 INFO L475 AbstractCegarLoop]: Abstraction has 19645 states and 26601 transitions. [2019-10-02 10:12:57,817 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:12:57,817 INFO L276 IsEmpty]: Start isEmpty. Operand 19645 states and 26601 transitions. [2019-10-02 10:12:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-10-02 10:12:57,834 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:12:57,835 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:12:57,835 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:12:57,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:12:57,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1667266503, now seen corresponding path program 1 times [2019-10-02 10:12:57,836 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:12:57,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:12:57,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:57,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:12:57,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:12:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:12:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:12:58,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:12:58,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:12:58,397 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:12:58,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:12:58,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:12:58,398 INFO L87 Difference]: Start difference. First operand 19645 states and 26601 transitions. Second operand 5 states. [2019-10-02 10:12:59,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:12:59,530 INFO L93 Difference]: Finished difference Result 43401 states and 58909 transitions. [2019-10-02 10:12:59,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 10:12:59,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2019-10-02 10:12:59,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:12:59,678 INFO L225 Difference]: With dead ends: 43401 [2019-10-02 10:12:59,678 INFO L226 Difference]: Without dead ends: 26290 [2019-10-02 10:12:59,733 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 10:12:59,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26290 states. [2019-10-02 10:13:00,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26290 to 26215. [2019-10-02 10:13:00,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26215 states. [2019-10-02 10:13:00,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26215 states to 26215 states and 35493 transitions. [2019-10-02 10:13:00,883 INFO L78 Accepts]: Start accepts. Automaton has 26215 states and 35493 transitions. Word has length 228 [2019-10-02 10:13:00,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:13:00,884 INFO L475 AbstractCegarLoop]: Abstraction has 26215 states and 35493 transitions. [2019-10-02 10:13:00,884 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:13:00,884 INFO L276 IsEmpty]: Start isEmpty. Operand 26215 states and 35493 transitions. [2019-10-02 10:13:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-10-02 10:13:00,902 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:13:00,902 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:13:00,903 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:13:00,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:13:00,903 INFO L82 PathProgramCache]: Analyzing trace with hash -346212244, now seen corresponding path program 1 times [2019-10-02 10:13:00,903 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:13:00,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:13:00,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:13:00,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:13:00,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:13:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:13:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:13:01,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:13:01,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:13:01,461 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:13:01,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:13:01,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:13:01,461 INFO L87 Difference]: Start difference. First operand 26215 states and 35493 transitions. Second operand 5 states. [2019-10-02 10:13:02,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:13:02,732 INFO L93 Difference]: Finished difference Result 56113 states and 76055 transitions. [2019-10-02 10:13:02,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 10:13:02,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 229 [2019-10-02 10:13:02,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:13:02,916 INFO L225 Difference]: With dead ends: 56113 [2019-10-02 10:13:02,917 INFO L226 Difference]: Without dead ends: 32428 [2019-10-02 10:13:02,983 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 10:13:03,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32428 states. [2019-10-02 10:13:05,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32428 to 32353. [2019-10-02 10:13:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32353 states. [2019-10-02 10:13:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32353 states to 32353 states and 43731 transitions. [2019-10-02 10:13:05,779 INFO L78 Accepts]: Start accepts. Automaton has 32353 states and 43731 transitions. Word has length 229 [2019-10-02 10:13:05,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:13:05,780 INFO L475 AbstractCegarLoop]: Abstraction has 32353 states and 43731 transitions. [2019-10-02 10:13:05,780 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:13:05,780 INFO L276 IsEmpty]: Start isEmpty. Operand 32353 states and 43731 transitions. [2019-10-02 10:13:05,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-10-02 10:13:05,801 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:13:05,801 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:13:05,802 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:13:05,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:13:05,802 INFO L82 PathProgramCache]: Analyzing trace with hash 85091506, now seen corresponding path program 1 times [2019-10-02 10:13:05,802 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:13:05,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:13:05,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:13:05,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:13:05,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:13:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:13:06,362 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2019-10-02 10:13:06,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:13:06,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:13:06,364 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:13:06,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:13:06,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:13:06,364 INFO L87 Difference]: Start difference. First operand 32353 states and 43731 transitions. Second operand 3 states. [2019-10-02 10:13:07,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:13:07,012 INFO L93 Difference]: Finished difference Result 33210 states and 44517 transitions. [2019-10-02 10:13:07,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:13:07,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-10-02 10:13:07,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:13:07,165 INFO L225 Difference]: With dead ends: 33210 [2019-10-02 10:13:07,165 INFO L226 Difference]: Without dead ends: 33207 [2019-10-02 10:13:07,184 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:13:07,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33207 states. [2019-10-02 10:13:08,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33207 to 33207. [2019-10-02 10:13:08,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33207 states. [2019-10-02 10:13:08,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33207 states to 33207 states and 44505 transitions. [2019-10-02 10:13:08,897 INFO L78 Accepts]: Start accepts. Automaton has 33207 states and 44505 transitions. Word has length 253 [2019-10-02 10:13:08,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:13:08,898 INFO L475 AbstractCegarLoop]: Abstraction has 33207 states and 44505 transitions. [2019-10-02 10:13:08,898 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:13:08,898 INFO L276 IsEmpty]: Start isEmpty. Operand 33207 states and 44505 transitions. [2019-10-02 10:13:08,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-02 10:13:08,920 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:13:08,920 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:13:08,921 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:13:08,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:13:08,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1895671216, now seen corresponding path program 1 times [2019-10-02 10:13:08,921 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:13:08,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:13:08,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:13:08,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:13:08,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:13:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:13:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-10-02 10:13:09,509 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:13:09,509 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:13:09,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:13:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:13:12,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 7626 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 10:13:12,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:13:12,346 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:13:12,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:13:12,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2019-10-02 10:13:12,393 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-02 10:13:12,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-02 10:13:12,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-10-02 10:13:12,394 INFO L87 Difference]: Start difference. First operand 33207 states and 44505 transitions. Second operand 14 states. [2019-10-02 10:14:28,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:14:28,824 INFO L93 Difference]: Finished difference Result 87709 states and 118157 transitions. [2019-10-02 10:14:28,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-02 10:14:28,825 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 243 [2019-10-02 10:14:28,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:14:29,203 INFO L225 Difference]: With dead ends: 87709 [2019-10-02 10:14:29,203 INFO L226 Difference]: Without dead ends: 60758 [2019-10-02 10:14:29,304 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2019-10-02 10:14:29,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60758 states. [2019-10-02 10:14:32,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60758 to 60041. [2019-10-02 10:14:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60041 states. [2019-10-02 10:14:33,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60041 states to 60041 states and 80693 transitions. [2019-10-02 10:14:33,220 INFO L78 Accepts]: Start accepts. Automaton has 60041 states and 80693 transitions. Word has length 243 [2019-10-02 10:14:33,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:14:33,220 INFO L475 AbstractCegarLoop]: Abstraction has 60041 states and 80693 transitions. [2019-10-02 10:14:33,221 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-02 10:14:33,221 INFO L276 IsEmpty]: Start isEmpty. Operand 60041 states and 80693 transitions. [2019-10-02 10:14:33,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-10-02 10:14:33,247 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:14:33,248 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:14:33,248 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:14:33,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:14:33,248 INFO L82 PathProgramCache]: Analyzing trace with hash 966593520, now seen corresponding path program 1 times [2019-10-02 10:14:33,249 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:14:33,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:14:33,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:14:33,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:14:33,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:14:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:14:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:14:33,895 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:14:33,895 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:14:34,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:14:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:14:36,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 7628 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 10:14:36,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:14:36,517 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:14:36,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:14:36,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2019-10-02 10:14:36,562 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 10:14:36,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 10:14:36,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-02 10:14:36,564 INFO L87 Difference]: Start difference. First operand 60041 states and 80693 transitions. Second operand 15 states. [2019-10-02 10:15:00,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:15:00,233 INFO L93 Difference]: Finished difference Result 220888 states and 297943 transitions. [2019-10-02 10:15:00,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-10-02 10:15:00,234 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 244 [2019-10-02 10:15:00,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:15:01,106 INFO L225 Difference]: With dead ends: 220888 [2019-10-02 10:15:01,108 INFO L226 Difference]: Without dead ends: 167067 [2019-10-02 10:15:01,306 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=311, Invalid=1411, Unknown=0, NotChecked=0, Total=1722 [2019-10-02 10:15:01,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167067 states. [2019-10-02 10:15:06,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167067 to 166335. [2019-10-02 10:15:06,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166335 states. [2019-10-02 10:15:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166335 states to 166335 states and 223925 transitions. [2019-10-02 10:15:06,710 INFO L78 Accepts]: Start accepts. Automaton has 166335 states and 223925 transitions. Word has length 244 [2019-10-02 10:15:06,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:15:06,710 INFO L475 AbstractCegarLoop]: Abstraction has 166335 states and 223925 transitions. [2019-10-02 10:15:06,711 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 10:15:06,711 INFO L276 IsEmpty]: Start isEmpty. Operand 166335 states and 223925 transitions. [2019-10-02 10:15:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-10-02 10:15:06,742 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:15:06,743 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:15:06,743 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:15:06,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:15:06,744 INFO L82 PathProgramCache]: Analyzing trace with hash -393160745, now seen corresponding path program 1 times [2019-10-02 10:15:06,744 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:15:06,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:15:06,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:15:06,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:15:06,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:15:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:15:10,969 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:15:10,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:15:10,970 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:15:11,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:15:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:15:13,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 7630 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 10:15:13,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:15:14,054 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:15:14,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:15:14,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2019-10-02 10:15:14,098 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 10:15:14,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 10:15:14,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-02 10:15:14,099 INFO L87 Difference]: Start difference. First operand 166335 states and 223925 transitions. Second operand 15 states. [2019-10-02 10:15:41,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:15:41,117 INFO L93 Difference]: Finished difference Result 506694 states and 683471 transitions. [2019-10-02 10:15:41,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-10-02 10:15:41,118 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 245 [2019-10-02 10:15:41,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:15:42,786 INFO L225 Difference]: With dead ends: 506694 [2019-10-02 10:15:42,787 INFO L226 Difference]: Without dead ends: 346579 [2019-10-02 10:15:43,116 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=311, Invalid=1411, Unknown=0, NotChecked=0, Total=1722 [2019-10-02 10:15:43,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346579 states. [2019-10-02 10:15:58,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346579 to 320381. [2019-10-02 10:15:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320381 states. [2019-10-02 10:15:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320381 states to 320381 states and 431921 transitions. [2019-10-02 10:15:59,399 INFO L78 Accepts]: Start accepts. Automaton has 320381 states and 431921 transitions. Word has length 245 [2019-10-02 10:15:59,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:15:59,400 INFO L475 AbstractCegarLoop]: Abstraction has 320381 states and 431921 transitions. [2019-10-02 10:15:59,400 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 10:15:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 320381 states and 431921 transitions. [2019-10-02 10:15:59,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-10-02 10:15:59,422 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:15:59,422 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:15:59,422 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:15:59,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:15:59,423 INFO L82 PathProgramCache]: Analyzing trace with hash 508482135, now seen corresponding path program 1 times [2019-10-02 10:15:59,423 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:15:59,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:15:59,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:15:59,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:15:59,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:15:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:16:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:16:00,031 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:16:00,031 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:16:00,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:16:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:16:02,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 7632 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 10:16:02,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:16:03,118 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:16:03,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:16:03,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2019-10-02 10:16:03,165 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 10:16:03,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 10:16:03,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-02 10:16:03,165 INFO L87 Difference]: Start difference. First operand 320381 states and 431921 transitions. Second operand 15 states. [2019-10-02 10:16:43,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:16:43,236 INFO L93 Difference]: Finished difference Result 861430 states and 1162799 transitions. [2019-10-02 10:16:43,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-10-02 10:16:43,237 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 246 [2019-10-02 10:16:43,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:16:45,898 INFO L225 Difference]: With dead ends: 861430 [2019-10-02 10:16:45,899 INFO L226 Difference]: Without dead ends: 547269 [2019-10-02 10:16:47,406 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=311, Invalid=1411, Unknown=0, NotChecked=0, Total=1722 [2019-10-02 10:16:47,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547269 states. [2019-10-02 10:17:08,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547269 to 487827. [2019-10-02 10:17:08,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487827 states. [2019-10-02 10:17:19,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487827 states to 487827 states and 658289 transitions. [2019-10-02 10:17:19,086 INFO L78 Accepts]: Start accepts. Automaton has 487827 states and 658289 transitions. Word has length 246 [2019-10-02 10:17:19,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:17:19,087 INFO L475 AbstractCegarLoop]: Abstraction has 487827 states and 658289 transitions. [2019-10-02 10:17:19,087 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 10:17:19,087 INFO L276 IsEmpty]: Start isEmpty. Operand 487827 states and 658289 transitions. [2019-10-02 10:17:19,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-02 10:17:19,103 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:17:19,103 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:17:19,103 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:17:19,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:17:19,104 INFO L82 PathProgramCache]: Analyzing trace with hash -490727373, now seen corresponding path program 1 times [2019-10-02 10:17:19,104 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:17:19,104 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:17:19,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:17:19,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:17:19,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:17:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:17:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2019-10-02 10:17:19,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:17:19,669 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:17:20,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:17:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:17:23,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 7638 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 10:17:23,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:17:23,949 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:17:23,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:17:23,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2019-10-02 10:17:23,985 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-02 10:17:23,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-02 10:17:23,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-10-02 10:17:23,986 INFO L87 Difference]: Start difference. First operand 487827 states and 658289 transitions. Second operand 14 states. [2019-10-02 10:18:53,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:18:53,827 INFO L93 Difference]: Finished difference Result 996276 states and 1350890 transitions. [2019-10-02 10:18:53,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 10:18:53,827 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 249 [2019-10-02 10:18:53,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:18:56,714 INFO L225 Difference]: With dead ends: 996276 [2019-10-02 10:18:56,715 INFO L226 Difference]: Without dead ends: 748053 [2019-10-02 10:18:57,196 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=471, Unknown=0, NotChecked=0, Total=600 [2019-10-02 10:18:58,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748053 states. [2019-10-02 10:19:40,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748053 to 728121. [2019-10-02 10:19:40,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728121 states. [2019-10-02 10:19:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728121 states to 728121 states and 982808 transitions. [2019-10-02 10:19:42,313 INFO L78 Accepts]: Start accepts. Automaton has 728121 states and 982808 transitions. Word has length 249 [2019-10-02 10:19:42,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:19:42,314 INFO L475 AbstractCegarLoop]: Abstraction has 728121 states and 982808 transitions. [2019-10-02 10:19:42,314 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-02 10:19:42,314 INFO L276 IsEmpty]: Start isEmpty. Operand 728121 states and 982808 transitions. [2019-10-02 10:19:42,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-10-02 10:19:42,328 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:19:42,328 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:19:42,328 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:19:42,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:19:42,329 INFO L82 PathProgramCache]: Analyzing trace with hash -2134379542, now seen corresponding path program 1 times [2019-10-02 10:19:42,329 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:19:42,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:19:42,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:19:42,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:19:42,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:19:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:19:44,298 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:19:44,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:19:44,299 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:19:44,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:19:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:19:46,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 7640 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 10:19:46,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:19:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-10-02 10:19:46,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:19:46,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2019-10-02 10:19:46,961 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 10:19:46,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 10:19:46,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-02 10:19:46,962 INFO L87 Difference]: Start difference. First operand 728121 states and 982808 transitions. Second operand 15 states. [2019-10-02 10:20:42,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:20:42,563 INFO L93 Difference]: Finished difference Result 1461315 states and 1971845 transitions. [2019-10-02 10:20:42,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 10:20:42,563 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 250 [2019-10-02 10:20:42,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:20:47,351 INFO L225 Difference]: With dead ends: 1461315 [2019-10-02 10:20:47,351 INFO L226 Difference]: Without dead ends: 971922 [2019-10-02 10:20:49,059 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=148, Invalid=554, Unknown=0, NotChecked=0, Total=702 [2019-10-02 10:20:49,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971922 states.