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--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 09:37:34,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 09:37:34,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 09:37:34,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 09:37:34,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 09:37:34,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 09:37:34,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 09:37:34,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 09:37:34,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 09:37:34,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 09:37:34,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 09:37:34,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 09:37:34,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 09:37:34,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 09:37:34,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 09:37:34,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 09:37:34,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 09:37:34,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 09:37:34,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 09:37:34,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 09:37:34,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 09:37:34,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 09:37:34,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 09:37:34,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 09:37:34,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 09:37:34,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 09:37:34,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 09:37:34,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 09:37:34,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 09:37:34,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 09:37:34,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 09:37:34,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 09:37:34,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 09:37:34,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 09:37:34,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 09:37:34,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 09:37:34,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 09:37:34,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 09:37:34,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 09:37:34,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 09:37:34,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 09:37:34,785 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 09:37:34,812 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 09:37:34,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 09:37:34,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 09:37:34,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 09:37:34,816 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 09:37:34,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 09:37:34,816 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 09:37:34,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 09:37:34,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 09:37:34,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 09:37:34,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 09:37:34,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 09:37:34,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 09:37:34,819 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 09:37:34,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 09:37:34,819 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 09:37:34,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 09:37:34,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 09:37:34,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 09:37:34,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 09:37:34,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 09:37:34,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 09:37:34,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 09:37:34,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 09:37:34,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 09:37:34,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 09:37:34,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 09:37:34,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 09:37:34,822 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 09:37:34,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 09:37:34,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 09:37:34,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 09:37:34,904 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 09:37:34,904 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 09:37:34,905 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2019-10-02 09:37:34,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e38f9d1c/6d6043237b1c4b3aa8d44ffbf90a25dd/FLAGbac90e396 [2019-10-02 09:37:35,915 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 09:37:35,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2019-10-02 09:37:35,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e38f9d1c/6d6043237b1c4b3aa8d44ffbf90a25dd/FLAGbac90e396 [2019-10-02 09:37:36,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e38f9d1c/6d6043237b1c4b3aa8d44ffbf90a25dd [2019-10-02 09:37:36,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 09:37:36,340 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 09:37:36,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 09:37:36,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 09:37:36,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 09:37:36,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 09:37:36" (1/1) ... [2019-10-02 09:37:36,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1bb9aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:37:36, skipping insertion in model container [2019-10-02 09:37:36,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 09:37:36" (1/1) ... [2019-10-02 09:37:36,357 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 09:37:36,517 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 09:37:39,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 09:37:39,180 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 09:37:39,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 09:37:40,283 INFO L192 MainTranslator]: Completed translation [2019-10-02 09:37:40,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:37:40 WrapperNode [2019-10-02 09:37:40,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 09:37:40,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 09:37:40,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 09:37:40,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 09:37:40,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:37:40" (1/1) ... [2019-10-02 09:37:40,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:37:40" (1/1) ... [2019-10-02 09:37:40,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:37:40" (1/1) ... [2019-10-02 09:37:40,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:37:40" (1/1) ... [2019-10-02 09:37:40,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:37:40" (1/1) ... [2019-10-02 09:37:40,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:37:40" (1/1) ... [2019-10-02 09:37:40,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:37:40" (1/1) ... [2019-10-02 09:37:40,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 09:37:40,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 09:37:40,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 09:37:40,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 09:37:40,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:37:40" (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 09:37:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 09:37:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 09:37:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-02 09:37:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-02 09:37:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-02 09:37:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 09:37:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-02 09:37:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-02 09:37:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 09:37:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 09:37:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 09:37:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-02 09:37:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-02 09:37:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 09:37:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 09:37:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 09:37:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 09:37:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 09:37:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-02 09:37:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-10-02 09:37:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-02 09:37:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-10-02 09:37:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-02 09:37:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 09:37:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-02 09:37:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-02 09:37:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-02 09:37:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-02 09:37:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-02 09:37:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-10-02 09:37:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2019-10-02 09:37:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-02 09:37:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-10-02 09:37:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2019-10-02 09:37:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-02 09:37:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-02 09:37:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-02 09:37:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-02 09:37:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 09:37:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 09:37:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2019-10-02 09:37:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-02 09:37:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-02 09:37:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-02 09:37:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-02 09:37:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-02 09:37:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-02 09:37:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-02 09:37:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-02 09:37:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-02 09:37:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2019-10-02 09:37:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-02 09:37:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-02 09:37:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-02 09:37:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-02 09:37:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-02 09:37:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-10-02 09:37:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2019-10-02 09:37:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2019-10-02 09:37:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2019-10-02 09:37:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-02 09:37:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-02 09:37:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-02 09:37:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-02 09:37:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-02 09:37:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-02 09:37:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-02 09:37:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-02 09:37:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-02 09:37:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-02 09:37:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-02 09:37:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2019-10-02 09:37:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2019-10-02 09:37:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2019-10-02 09:37:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2019-10-02 09:37:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2019-10-02 09:37:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2019-10-02 09:37:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_ext_phy [2019-10-02 09:37:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2019-10-02 09:37:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2019-10-02 09:37:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_init_ring [2019-10-02 09:37:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2019-10-02 09:37:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2019-10-02 09:37:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_init_hw_default [2019-10-02 09:37:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2019-10-02 09:37:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2019-10-02 09:37:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_ring [2019-10-02 09:37:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx [2019-10-02 09:37:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_rx_poll [2019-10-02 09:37:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_link_change [2019-10-02 09:37:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2019-10-02 09:37:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2019-10-02 09:37:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_calc_coalesce [2019-10-02 09:37:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2019-10-02 09:37:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2019-10-02 09:37:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2019-10-02 09:37:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2019-10-02 09:37:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_queue_avail [2019-10-02 09:37:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_start_xmit [2019-10-02 09:37:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_regs [2019-10-02 09:37:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2019-10-02 09:37:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_drvinfo [2019-10-02 09:37:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2019-10-02 09:37:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs [2019-10-02 09:37:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_settings [2019-10-02 09:37:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_settings [2019-10-02 09:37:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2019-10-02 09:37:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_link [2019-10-02 09:37:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_wol [2019-10-02 09:37:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_wol [2019-10-02 09:37:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_ioctl [2019-10-02 09:37:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_mac_address [2019-10-02 09:37:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_change_mtu [2019-10-02 09:37:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_enable_magicpkt [2019-10-02 09:37:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_enable_link_change [2019-10-02 09:37:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2019-10-02 09:37:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_suspend [2019-10-02 09:37:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2019-10-02 09:37:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_config_ipg [2019-10-02 09:37:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_probe_ext_phy [2019-10-02 09:37:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_probe_one [2019-10-02 09:37:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2019-10-02 09:37:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_driver_init [2019-10-02 09:37:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_driver_exit [2019-10-02 09:37:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-02 09:37:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-02 09:37:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-02 09:37:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-02 09:37:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-02 09:37:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-02 09:37:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-02 09:37:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-02 09:37:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-10-02 09:37:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-10-02 09:37:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_5 [2019-10-02 09:37:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-02 09:37:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 09:37:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 09:37:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-02 09:37:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 09:37:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-02 09:37:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 09:37:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-02 09:37:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-02 09:37:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-02 09:37:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-02 09:37:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-02 09:37:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-02 09:37:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-02 09:37:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-02 09:37:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-02 09:37:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-02 09:37:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_37 [2019-10-02 09:37:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_38 [2019-10-02 09:37:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_39 [2019-10-02 09:37:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_40 [2019-10-02 09:37:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_41 [2019-10-02 09:37:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_42 [2019-10-02 09:37:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_43 [2019-10-02 09:37:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_44 [2019-10-02 09:37:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_45 [2019-10-02 09:37:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_46 [2019-10-02 09:37:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_47 [2019-10-02 09:37:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_48 [2019-10-02 09:37:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_49 [2019-10-02 09:37:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 09:37:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 09:37:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 09:37:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 09:37:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 09:37:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-02 09:37:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-02 09:37:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-02 09:37:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-02 09:37:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-02 09:37:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-02 09:37:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-02 09:37:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-02 09:37:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-02 09:37:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_complete [2019-10-02 09:37:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2019-10-02 09:37:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2019-10-02 09:37:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-02 09:37:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-02 09:37:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 09:37:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-02 09:37:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 09:37:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-02 09:37:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 09:37:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-02 09:37:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 09:37:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-02 09:37:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-02 09:37:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-02 09:37:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-02 09:37:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-02 09:37:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-02 09:37:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-02 09:37:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 09:37:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap [2019-10-02 09:37:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-02 09:37:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-02 09:37:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-10-02 09:37:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-02 09:37:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-02 09:37:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-02 09:37:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-02 09:37:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 09:37:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 09:37:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-10-02 09:37:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-10-02 09:37:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2019-10-02 09:37:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-10-02 09:37:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-02 09:37:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_3 [2019-10-02 09:37:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-10-02 09:37:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-10-02 09:37:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2019-10-02 09:37:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-10-02 09:37:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-02 09:37:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2019-10-02 09:37:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-02 09:37:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-02 09:37:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-02 09:37:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-02 09:37:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2019-10-02 09:37:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-10-02 09:37:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2019-10-02 09:37:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb_sk [2019-10-02 09:37:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-02 09:37:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-02 09:37:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-02 09:37:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-02 09:37:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-02 09:37:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-02 09:37:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-02 09:37:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-02 09:37:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-10-02 09:37:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-02 09:37:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-02 09:37:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-02 09:37:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-02 09:37:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-02 09:37:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-02 09:37:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-02 09:37:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-02 09:37:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 09:37:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 09:37:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 09:37:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 09:37:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 09:37:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 09:37:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 09:37:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 09:37:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-02 09:37:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-02 09:37:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 09:37:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 09:37:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-02 09:37:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-02 09:37:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-02 09:37:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-02 09:37:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 09:37:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 09:37:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 09:37:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 09:37:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 09:37:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 09:37:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 09:37:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 09:37:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 09:37:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 09:37:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 09:37:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-02 09:37:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-02 09:37:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 09:37:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 09:37:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 09:37:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 09:37:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 09:37:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-02 09:37:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 09:37:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-02 09:37:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-02 09:37:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 09:37:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-10-02 09:37:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-02 09:37:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-10-02 09:37:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-02 09:37:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-02 09:37:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-02 09:37:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 09:37:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 09:37:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-02 09:37:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 09:37:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-02 09:37:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 09:37:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 09:37:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-02 09:37:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 09:37:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-02 09:37:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-02 09:37:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-02 09:37:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 09:37:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-02 09:37:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-02 09:37:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-02 09:37:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 09:37:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-02 09:37:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_42 [2019-10-02 09:37:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_43 [2019-10-02 09:37:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-02 09:37:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-02 09:37:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_37 [2019-10-02 09:37:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_41 [2019-10-02 09:37:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-10-02 09:37:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2019-10-02 09:37:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-02 09:37:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-10-02 09:37:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2019-10-02 09:37:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-02 09:37:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-02 09:37:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-02 09:37:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-02 09:37:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-02 09:37:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-02 09:37:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-02 09:37:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-02 09:37:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-02 09:37:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-02 09:37:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-02 09:37:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-02 09:37:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-10-02 09:37:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-10-02 09:37:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_5 [2019-10-02 09:37:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-02 09:37:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-02 09:37:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap [2019-10-02 09:37:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-02 09:37:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-02 09:37:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_39 [2019-10-02 09:37:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-02 09:37:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_38 [2019-10-02 09:37:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_40 [2019-10-02 09:37:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-02 09:37:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 09:37:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 09:37:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 09:37:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 09:37:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-02 09:37:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-02 09:37:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-02 09:37:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-02 09:37:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-02 09:37:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-02 09:37:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-10-02 09:37:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2019-10-02 09:37:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2019-10-02 09:37:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-02 09:37:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-02 09:37:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-02 09:37:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_48 [2019-10-02 09:37:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-02 09:37:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_49 [2019-10-02 09:37:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-02 09:37:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-02 09:37:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-02 09:37:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-02 09:37:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-02 09:37:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-02 09:37:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-02 09:37:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-02 09:37:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-02 09:37:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-10-02 09:37:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-02 09:37:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-02 09:37:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-02 09:37:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-02 09:37:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-02 09:37:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-02 09:37:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2019-10-02 09:37:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-02 09:37:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-02 09:37:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-02 09:37:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-02 09:37:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-02 09:37:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-02 09:37:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-02 09:37:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-02 09:37:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-02 09:37:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-02 09:37:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-02 09:37:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-02 09:37:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 09:37:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-02 09:37:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-02 09:37:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-02 09:37:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-02 09:37:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2019-10-02 09:37:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-10-02 09:37:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-10-02 09:37:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-10-02 09:37:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-10-02 09:37:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2019-10-02 09:37:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2019-10-02 09:37:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2019-10-02 09:37:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_complete [2019-10-02 09:37:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2019-10-02 09:37:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2019-10-02 09:37:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-02 09:37:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-02 09:37:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2019-10-02 09:37:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-02 09:37:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_45 [2019-10-02 09:37:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_47 [2019-10-02 09:37:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-02 09:37:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-02 09:37:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-02 09:37:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-02 09:37:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-02 09:37:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-02 09:37:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-02 09:37:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-02 09:37:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-02 09:37:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-02 09:37:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-02 09:37:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb_sk [2019-10-02 09:37:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2019-10-02 09:37:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-02 09:37:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-02 09:37:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-10-02 09:37:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2019-10-02 09:37:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-02 09:37:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_44 [2019-10-02 09:37:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-02 09:37:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_46 [2019-10-02 09:37:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-02 09:37:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-02 09:37:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-02 09:37:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-02 09:37:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-02 09:37:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2019-10-02 09:37:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-02 09:37:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2019-10-02 09:37:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2019-10-02 09:37:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2019-10-02 09:37:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 09:37:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 09:37:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2019-10-02 09:37:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_ext_phy [2019-10-02 09:37:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2019-10-02 09:37:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2019-10-02 09:37:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_init_ring [2019-10-02 09:37:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2019-10-02 09:37:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2019-10-02 09:37:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_init_hw_default [2019-10-02 09:37:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2019-10-02 09:37:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2019-10-02 09:37:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_ring [2019-10-02 09:37:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx [2019-10-02 09:37:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_rx_poll [2019-10-02 09:37:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_link_change [2019-10-02 09:37:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2019-10-02 09:37:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2019-10-02 09:37:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_calc_coalesce [2019-10-02 09:37:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2019-10-02 09:37:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2019-10-02 09:37:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2019-10-02 09:37:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2019-10-02 09:37:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_queue_avail [2019-10-02 09:37:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_start_xmit [2019-10-02 09:37:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_regs [2019-10-02 09:37:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2019-10-02 09:37:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_drvinfo [2019-10-02 09:37:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2019-10-02 09:37:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs [2019-10-02 09:37:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_settings [2019-10-02 09:37:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_settings [2019-10-02 09:37:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2019-10-02 09:37:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_link [2019-10-02 09:37:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_wol [2019-10-02 09:37:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_wol [2019-10-02 09:37:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_ioctl [2019-10-02 09:37:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_mac_address [2019-10-02 09:37:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 09:37:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_change_mtu [2019-10-02 09:37:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_enable_magicpkt [2019-10-02 09:37:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_enable_link_change [2019-10-02 09:37:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2019-10-02 09:37:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_suspend [2019-10-02 09:37:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2019-10-02 09:37:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_config_ipg [2019-10-02 09:37:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_probe_ext_phy [2019-10-02 09:37:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_probe_one [2019-10-02 09:37:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2019-10-02 09:37:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_driver_init [2019-10-02 09:37:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_driver_exit [2019-10-02 09:37:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-10-02 09:37:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-10-02 09:37:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_3 [2019-10-02 09:37:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2019-10-02 09:37:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 09:37:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-10-02 09:37:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 09:37:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-02 09:37:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 09:37:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 09:37:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 09:37:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 09:37:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 09:37:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 09:37:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-02 09:37:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-02 09:37:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-02 09:37:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-02 09:37:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 09:37:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 09:37:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-02 09:37:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 09:37:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 09:37:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 09:37:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 09:37:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 09:37:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 09:37:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 09:37:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 09:37:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 09:37:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 09:37:42,636 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 09:37:46,843 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 09:37:46,844 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-02 09:37:46,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 09:37:46 BoogieIcfgContainer [2019-10-02 09:37:46,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 09:37:46,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 09:37:46,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 09:37:46,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 09:37:46,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 09:37:36" (1/3) ... [2019-10-02 09:37:46,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ca04db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 09:37:46, skipping insertion in model container [2019-10-02 09:37:46,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:37:40" (2/3) ... [2019-10-02 09:37:46,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ca04db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 09:37:46, skipping insertion in model container [2019-10-02 09:37:46,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 09:37:46" (3/3) ... [2019-10-02 09:37:46,858 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2019-10-02 09:37:46,869 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 09:37:46,883 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 09:37:46,903 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 09:37:46,952 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 09:37:46,953 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 09:37:46,953 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 09:37:46,953 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 09:37:46,954 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 09:37:46,954 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 09:37:46,954 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 09:37:46,954 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 09:37:46,954 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 09:37:47,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states. [2019-10-02 09:37:47,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-02 09:37:47,078 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:37:47,080 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 3, 3, 3, 3, 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] [2019-10-02 09:37:47,082 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:37:47,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:37:47,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1086284072, now seen corresponding path program 1 times [2019-10-02 09:37:47,091 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:37:47,091 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:37:47,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:47,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:37:47,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:37:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-10-02 09:37:48,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:37:48,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:37:48,082 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:37:48,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:37:48,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:37:48,105 INFO L87 Difference]: Start difference. First operand 2090 states. Second operand 3 states. [2019-10-02 09:37:48,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:37:48,669 INFO L93 Difference]: Finished difference Result 5150 states and 6817 transitions. [2019-10-02 09:37:48,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:37:48,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2019-10-02 09:37:48,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:37:48,711 INFO L225 Difference]: With dead ends: 5150 [2019-10-02 09:37:48,711 INFO L226 Difference]: Without dead ends: 3166 [2019-10-02 09:37:48,734 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 09:37:48,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2019-10-02 09:37:49,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3148. [2019-10-02 09:37:49,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2019-10-02 09:37:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 4133 transitions. [2019-10-02 09:37:49,042 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 4133 transitions. Word has length 204 [2019-10-02 09:37:49,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:37:49,043 INFO L475 AbstractCegarLoop]: Abstraction has 3148 states and 4133 transitions. [2019-10-02 09:37:49,043 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:37:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 4133 transitions. [2019-10-02 09:37:49,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-10-02 09:37:49,055 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:37:49,055 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:37:49,056 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:37:49,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:37:49,056 INFO L82 PathProgramCache]: Analyzing trace with hash -532630351, now seen corresponding path program 1 times [2019-10-02 09:37:49,056 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:37:49,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:37:49,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:49,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:37:49,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:37:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2019-10-02 09:37:49,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:37:49,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:37:49,975 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:37:49,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:37:49,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:37:49,976 INFO L87 Difference]: Start difference. First operand 3148 states and 4133 transitions. Second operand 3 states. [2019-10-02 09:37:50,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:37:50,353 INFO L93 Difference]: Finished difference Result 8281 states and 10904 transitions. [2019-10-02 09:37:50,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:37:50,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2019-10-02 09:37:50,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:37:50,394 INFO L225 Difference]: With dead ends: 8281 [2019-10-02 09:37:50,394 INFO L226 Difference]: Without dead ends: 5171 [2019-10-02 09:37:50,410 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 09:37:50,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5171 states. [2019-10-02 09:37:50,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5171 to 5150. [2019-10-02 09:37:50,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5150 states. [2019-10-02 09:37:50,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 5150 states and 6793 transitions. [2019-10-02 09:37:50,640 INFO L78 Accepts]: Start accepts. Automaton has 5150 states and 6793 transitions. Word has length 255 [2019-10-02 09:37:50,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:37:50,641 INFO L475 AbstractCegarLoop]: Abstraction has 5150 states and 6793 transitions. [2019-10-02 09:37:50,641 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:37:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 6793 transitions. [2019-10-02 09:37:50,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-02 09:37:50,654 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:37:50,654 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:37:50,654 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:37:50,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:37:50,655 INFO L82 PathProgramCache]: Analyzing trace with hash 928418038, now seen corresponding path program 1 times [2019-10-02 09:37:50,655 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:37:50,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:37:50,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:50,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:37:50,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:37:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2019-10-02 09:37:50,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:37:50,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:37:50,998 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:37:50,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:37:50,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:37:50,999 INFO L87 Difference]: Start difference. First operand 5150 states and 6793 transitions. Second operand 3 states. [2019-10-02 09:37:51,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:37:51,286 INFO L93 Difference]: Finished difference Result 10254 states and 13531 transitions. [2019-10-02 09:37:51,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:37:51,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2019-10-02 09:37:51,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:37:51,330 INFO L225 Difference]: With dead ends: 10254 [2019-10-02 09:37:51,330 INFO L226 Difference]: Without dead ends: 5150 [2019-10-02 09:37:51,352 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 09:37:51,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5150 states. [2019-10-02 09:37:51,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5150 to 5150. [2019-10-02 09:37:51,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5150 states. [2019-10-02 09:37:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 5150 states and 6791 transitions. [2019-10-02 09:37:51,627 INFO L78 Accepts]: Start accepts. Automaton has 5150 states and 6791 transitions. Word has length 296 [2019-10-02 09:37:51,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:37:51,628 INFO L475 AbstractCegarLoop]: Abstraction has 5150 states and 6791 transitions. [2019-10-02 09:37:51,628 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:37:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 6791 transitions. [2019-10-02 09:37:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-10-02 09:37:51,642 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:37:51,643 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 5, 5, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:37:51,643 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:37:51,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:37:51,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1504179245, now seen corresponding path program 1 times [2019-10-02 09:37:51,644 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:37:51,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:37:51,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:51,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:37:51,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:37:52,205 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2019-10-02 09:37:52,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:37:52,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:37:52,208 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:37:52,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:37:52,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:37:52,209 INFO L87 Difference]: Start difference. First operand 5150 states and 6791 transitions. Second operand 3 states. [2019-10-02 09:37:52,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:37:52,828 INFO L93 Difference]: Finished difference Result 12359 states and 16344 transitions. [2019-10-02 09:37:52,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:37:52,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2019-10-02 09:37:52,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:37:52,885 INFO L225 Difference]: With dead ends: 12359 [2019-10-02 09:37:52,885 INFO L226 Difference]: Without dead ends: 7255 [2019-10-02 09:37:52,912 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 09:37:52,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7255 states. [2019-10-02 09:37:53,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7255 to 7228. [2019-10-02 09:37:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7228 states. [2019-10-02 09:37:53,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7228 states to 7228 states and 9543 transitions. [2019-10-02 09:37:53,293 INFO L78 Accepts]: Start accepts. Automaton has 7228 states and 9543 transitions. Word has length 330 [2019-10-02 09:37:53,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:37:53,294 INFO L475 AbstractCegarLoop]: Abstraction has 7228 states and 9543 transitions. [2019-10-02 09:37:53,294 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:37:53,294 INFO L276 IsEmpty]: Start isEmpty. Operand 7228 states and 9543 transitions. [2019-10-02 09:37:53,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-10-02 09:37:53,318 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:37:53,318 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:37:53,319 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:37:53,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:37:53,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1435215468, now seen corresponding path program 1 times [2019-10-02 09:37:53,319 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:37:53,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:37:53,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:53,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:37:53,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:37:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2019-10-02 09:37:53,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:37:53,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:37:53,842 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:37:53,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:37:53,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:37:53,843 INFO L87 Difference]: Start difference. First operand 7228 states and 9543 transitions. Second operand 3 states. [2019-10-02 09:37:54,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:37:54,412 INFO L93 Difference]: Finished difference Result 16946 states and 22375 transitions. [2019-10-02 09:37:54,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:37:54,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2019-10-02 09:37:54,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:37:54,489 INFO L225 Difference]: With dead ends: 16946 [2019-10-02 09:37:54,489 INFO L226 Difference]: Without dead ends: 9764 [2019-10-02 09:37:54,522 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 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 09:37:54,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9764 states. [2019-10-02 09:37:54,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9764 to 9743. [2019-10-02 09:37:54,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9743 states. [2019-10-02 09:37:54,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9743 states to 9743 states and 12853 transitions. [2019-10-02 09:37:54,973 INFO L78 Accepts]: Start accepts. Automaton has 9743 states and 12853 transitions. Word has length 349 [2019-10-02 09:37:54,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:37:54,974 INFO L475 AbstractCegarLoop]: Abstraction has 9743 states and 12853 transitions. [2019-10-02 09:37:54,974 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:37:54,974 INFO L276 IsEmpty]: Start isEmpty. Operand 9743 states and 12853 transitions. [2019-10-02 09:37:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2019-10-02 09:37:54,991 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:37:54,992 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:37:54,992 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:37:54,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:37:54,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1041217153, now seen corresponding path program 1 times [2019-10-02 09:37:54,993 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:37:54,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:37:55,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:55,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:37:55,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:37:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2019-10-02 09:37:55,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:37:55,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:37:55,477 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:37:55,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:37:55,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:37:55,478 INFO L87 Difference]: Start difference. First operand 9743 states and 12853 transitions. Second operand 3 states. [2019-10-02 09:37:56,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:37:56,101 INFO L93 Difference]: Finished difference Result 21968 states and 28979 transitions. [2019-10-02 09:37:56,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:37:56,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2019-10-02 09:37:56,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:37:56,179 INFO L225 Difference]: With dead ends: 21968 [2019-10-02 09:37:56,180 INFO L226 Difference]: Without dead ends: 12271 [2019-10-02 09:37:56,224 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 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 09:37:56,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12271 states. [2019-10-02 09:37:56,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12271 to 12250. [2019-10-02 09:37:56,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12250 states. [2019-10-02 09:37:56,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12250 states to 12250 states and 16141 transitions. [2019-10-02 09:37:56,895 INFO L78 Accepts]: Start accepts. Automaton has 12250 states and 16141 transitions. Word has length 348 [2019-10-02 09:37:56,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:37:56,896 INFO L475 AbstractCegarLoop]: Abstraction has 12250 states and 16141 transitions. [2019-10-02 09:37:56,896 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:37:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 12250 states and 16141 transitions. [2019-10-02 09:37:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-10-02 09:37:56,921 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:37:56,922 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:37:56,922 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:37:56,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:37:56,922 INFO L82 PathProgramCache]: Analyzing trace with hash 423782421, now seen corresponding path program 1 times [2019-10-02 09:37:56,923 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:37:56,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:37:56,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:56,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:37:56,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:37:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2019-10-02 09:37:57,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:37:57,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:37:57,923 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:37:57,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:37:57,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:37:57,924 INFO L87 Difference]: Start difference. First operand 12250 states and 16141 transitions. Second operand 3 states. [2019-10-02 09:37:58,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:37:58,533 INFO L93 Difference]: Finished difference Result 26606 states and 35065 transitions. [2019-10-02 09:37:58,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:37:58,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2019-10-02 09:37:58,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:37:58,605 INFO L225 Difference]: With dead ends: 26606 [2019-10-02 09:37:58,605 INFO L226 Difference]: Without dead ends: 14402 [2019-10-02 09:37:58,645 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 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 09:37:58,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14402 states. [2019-10-02 09:37:59,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14402 to 14381. [2019-10-02 09:37:59,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14381 states. [2019-10-02 09:37:59,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14381 states to 14381 states and 18941 transitions. [2019-10-02 09:37:59,331 INFO L78 Accepts]: Start accepts. Automaton has 14381 states and 18941 transitions. Word has length 350 [2019-10-02 09:37:59,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:37:59,332 INFO L475 AbstractCegarLoop]: Abstraction has 14381 states and 18941 transitions. [2019-10-02 09:37:59,332 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:37:59,332 INFO L276 IsEmpty]: Start isEmpty. Operand 14381 states and 18941 transitions. [2019-10-02 09:37:59,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-10-02 09:37:59,368 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:37:59,368 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:37:59,368 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:37:59,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:37:59,369 INFO L82 PathProgramCache]: Analyzing trace with hash 323779216, now seen corresponding path program 1 times [2019-10-02 09:37:59,369 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:37:59,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:37:59,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:59,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:37:59,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:37:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:37:59,871 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2019-10-02 09:37:59,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:37:59,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:37:59,872 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:37:59,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:37:59,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:37:59,873 INFO L87 Difference]: Start difference. First operand 14381 states and 18941 transitions. Second operand 3 states. [2019-10-02 09:38:00,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:38:00,336 INFO L93 Difference]: Finished difference Result 28860 states and 38139 transitions. [2019-10-02 09:38:00,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:38:00,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 391 [2019-10-02 09:38:00,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:38:00,406 INFO L225 Difference]: With dead ends: 28860 [2019-10-02 09:38:00,406 INFO L226 Difference]: Without dead ends: 14525 [2019-10-02 09:38:00,448 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 09:38:00,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14525 states. [2019-10-02 09:38:01,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14525 to 14399. [2019-10-02 09:38:01,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14399 states. [2019-10-02 09:38:01,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14399 states to 14399 states and 18959 transitions. [2019-10-02 09:38:01,218 INFO L78 Accepts]: Start accepts. Automaton has 14399 states and 18959 transitions. Word has length 391 [2019-10-02 09:38:01,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:38:01,221 INFO L475 AbstractCegarLoop]: Abstraction has 14399 states and 18959 transitions. [2019-10-02 09:38:01,221 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:38:01,221 INFO L276 IsEmpty]: Start isEmpty. Operand 14399 states and 18959 transitions. [2019-10-02 09:38:01,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2019-10-02 09:38:01,258 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:38:01,258 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:38:01,259 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:38:01,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:38:01,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1541525456, now seen corresponding path program 1 times [2019-10-02 09:38:01,259 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:38:01,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:38:01,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:01,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:01,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:02,080 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2019-10-02 09:38:02,081 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:38:02,081 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 09:38:02,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:03,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 3912 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 09:38:03,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:38:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2019-10-02 09:38:03,210 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 09:38:03,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2019-10-02 09:38:03,212 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 09:38:03,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 09:38:03,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:38:03,213 INFO L87 Difference]: Start difference. First operand 14399 states and 18959 transitions. Second operand 5 states. [2019-10-02 09:38:04,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:38:04,485 INFO L93 Difference]: Finished difference Result 29022 states and 38355 transitions. [2019-10-02 09:38:04,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 09:38:04,486 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 399 [2019-10-02 09:38:04,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:38:04,582 INFO L225 Difference]: With dead ends: 29022 [2019-10-02 09:38:04,583 INFO L226 Difference]: Without dead ends: 14669 [2019-10-02 09:38:04,641 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:38:04,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14669 states. [2019-10-02 09:38:05,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14669 to 14543. [2019-10-02 09:38:05,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14543 states. [2019-10-02 09:38:05,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14543 states to 14543 states and 19157 transitions. [2019-10-02 09:38:05,398 INFO L78 Accepts]: Start accepts. Automaton has 14543 states and 19157 transitions. Word has length 399 [2019-10-02 09:38:05,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:38:05,399 INFO L475 AbstractCegarLoop]: Abstraction has 14543 states and 19157 transitions. [2019-10-02 09:38:05,399 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 09:38:05,399 INFO L276 IsEmpty]: Start isEmpty. Operand 14543 states and 19157 transitions. [2019-10-02 09:38:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2019-10-02 09:38:05,449 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:38:05,449 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:38:05,450 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:38:05,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:38:05,450 INFO L82 PathProgramCache]: Analyzing trace with hash -665431221, now seen corresponding path program 1 times [2019-10-02 09:38:05,450 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:38:05,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:38:05,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:05,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:05,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:06,391 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2019-10-02 09:38:06,392 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:38:06,392 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 09:38:07,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:07,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 4063 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 09:38:07,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:38:07,900 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-10-02 09:38:07,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:38:07,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-10-02 09:38:07,922 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 09:38:07,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 09:38:07,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 09:38:07,923 INFO L87 Difference]: Start difference. First operand 14543 states and 19157 transitions. Second operand 9 states. [2019-10-02 09:38:08,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:38:08,767 INFO L93 Difference]: Finished difference Result 31510 states and 41477 transitions. [2019-10-02 09:38:08,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 09:38:08,768 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 413 [2019-10-02 09:38:08,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:38:08,833 INFO L225 Difference]: With dead ends: 31510 [2019-10-02 09:38:08,833 INFO L226 Difference]: Without dead ends: 16994 [2019-10-02 09:38:08,870 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-10-02 09:38:08,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16994 states. [2019-10-02 09:38:09,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16994 to 14552. [2019-10-02 09:38:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14552 states. [2019-10-02 09:38:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14552 states to 14552 states and 19166 transitions. [2019-10-02 09:38:09,569 INFO L78 Accepts]: Start accepts. Automaton has 14552 states and 19166 transitions. Word has length 413 [2019-10-02 09:38:09,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:38:09,570 INFO L475 AbstractCegarLoop]: Abstraction has 14552 states and 19166 transitions. [2019-10-02 09:38:09,570 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 09:38:09,570 INFO L276 IsEmpty]: Start isEmpty. Operand 14552 states and 19166 transitions. [2019-10-02 09:38:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-10-02 09:38:09,612 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:38:09,613 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:38:09,613 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:38:09,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:38:09,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1719426058, now seen corresponding path program 1 times [2019-10-02 09:38:09,614 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:38:09,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:38:09,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:09,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:09,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:10,404 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2019-10-02 09:38:10,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:38:10,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 09:38:10,406 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 09:38:10,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 09:38:10,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 09:38:10,407 INFO L87 Difference]: Start difference. First operand 14552 states and 19166 transitions. Second operand 6 states. [2019-10-02 09:38:11,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:38:11,513 INFO L93 Difference]: Finished difference Result 31525 states and 41495 transitions. [2019-10-02 09:38:11,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 09:38:11,513 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 422 [2019-10-02 09:38:11,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:38:11,586 INFO L225 Difference]: With dead ends: 31525 [2019-10-02 09:38:11,586 INFO L226 Difference]: Without dead ends: 17020 [2019-10-02 09:38:11,625 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-02 09:38:11,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17020 states. [2019-10-02 09:38:12,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17020 to 14558. [2019-10-02 09:38:12,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14558 states. [2019-10-02 09:38:12,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14558 states to 14558 states and 19176 transitions. [2019-10-02 09:38:12,278 INFO L78 Accepts]: Start accepts. Automaton has 14558 states and 19176 transitions. Word has length 422 [2019-10-02 09:38:12,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:38:12,279 INFO L475 AbstractCegarLoop]: Abstraction has 14558 states and 19176 transitions. [2019-10-02 09:38:12,279 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 09:38:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 14558 states and 19176 transitions. [2019-10-02 09:38:12,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2019-10-02 09:38:12,312 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:38:12,313 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:38:12,313 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:38:12,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:38:12,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1836547249, now seen corresponding path program 1 times [2019-10-02 09:38:12,314 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:38:12,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:38:12,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:12,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:12,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2019-10-02 09:38:13,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:38:13,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 09:38:13,630 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 09:38:13,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 09:38:13,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 09:38:13,630 INFO L87 Difference]: Start difference. First operand 14558 states and 19176 transitions. Second operand 6 states. [2019-10-02 09:38:14,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:38:14,462 INFO L93 Difference]: Finished difference Result 31524 states and 41497 transitions. [2019-10-02 09:38:14,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 09:38:14,463 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 428 [2019-10-02 09:38:14,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:38:14,550 INFO L225 Difference]: With dead ends: 31524 [2019-10-02 09:38:14,550 INFO L226 Difference]: Without dead ends: 17013 [2019-10-02 09:38:14,595 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-02 09:38:14,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17013 states. [2019-10-02 09:38:15,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17013 to 14553. [2019-10-02 09:38:15,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14553 states. [2019-10-02 09:38:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14553 states to 14553 states and 19168 transitions. [2019-10-02 09:38:15,400 INFO L78 Accepts]: Start accepts. Automaton has 14553 states and 19168 transitions. Word has length 428 [2019-10-02 09:38:15,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:38:15,401 INFO L475 AbstractCegarLoop]: Abstraction has 14553 states and 19168 transitions. [2019-10-02 09:38:15,402 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 09:38:15,402 INFO L276 IsEmpty]: Start isEmpty. Operand 14553 states and 19168 transitions. [2019-10-02 09:38:15,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2019-10-02 09:38:15,445 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:38:15,446 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:38:15,446 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:38:15,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:38:15,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1104809941, now seen corresponding path program 1 times [2019-10-02 09:38:15,447 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:38:15,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:38:15,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:15,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:15,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:15,893 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2019-10-02 09:38:15,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:38:15,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:38:15,895 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:38:15,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:38:15,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:38:15,896 INFO L87 Difference]: Start difference. First operand 14553 states and 19168 transitions. Second operand 3 states. [2019-10-02 09:38:16,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:38:16,557 INFO L93 Difference]: Finished difference Result 29067 states and 38296 transitions. [2019-10-02 09:38:16,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:38:16,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 460 [2019-10-02 09:38:16,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:38:16,633 INFO L225 Difference]: With dead ends: 29067 [2019-10-02 09:38:16,634 INFO L226 Difference]: Without dead ends: 14561 [2019-10-02 09:38:16,673 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 09:38:16,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14561 states. [2019-10-02 09:38:17,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14561 to 14555. [2019-10-02 09:38:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14555 states. [2019-10-02 09:38:17,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14555 states to 14555 states and 19170 transitions. [2019-10-02 09:38:17,266 INFO L78 Accepts]: Start accepts. Automaton has 14555 states and 19170 transitions. Word has length 460 [2019-10-02 09:38:17,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:38:17,267 INFO L475 AbstractCegarLoop]: Abstraction has 14555 states and 19170 transitions. [2019-10-02 09:38:17,267 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:38:17,267 INFO L276 IsEmpty]: Start isEmpty. Operand 14555 states and 19170 transitions. [2019-10-02 09:38:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2019-10-02 09:38:17,298 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:38:17,298 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:38:17,298 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:38:17,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:38:17,299 INFO L82 PathProgramCache]: Analyzing trace with hash 426115030, now seen corresponding path program 1 times [2019-10-02 09:38:17,299 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:38:17,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:38:17,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:17,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:17,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2019-10-02 09:38:17,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:38:17,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:38:17,787 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:38:17,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:38:17,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:38:17,791 INFO L87 Difference]: Start difference. First operand 14555 states and 19170 transitions. Second operand 3 states. [2019-10-02 09:38:18,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:38:18,263 INFO L93 Difference]: Finished difference Result 29083 states and 38320 transitions. [2019-10-02 09:38:18,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:38:18,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 467 [2019-10-02 09:38:18,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:38:18,325 INFO L225 Difference]: With dead ends: 29083 [2019-10-02 09:38:18,325 INFO L226 Difference]: Without dead ends: 14575 [2019-10-02 09:38:18,364 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 09:38:18,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14575 states. [2019-10-02 09:38:19,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14575 to 14557. [2019-10-02 09:38:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14557 states. [2019-10-02 09:38:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14557 states to 14557 states and 19172 transitions. [2019-10-02 09:38:19,235 INFO L78 Accepts]: Start accepts. Automaton has 14557 states and 19172 transitions. Word has length 467 [2019-10-02 09:38:19,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:38:19,236 INFO L475 AbstractCegarLoop]: Abstraction has 14557 states and 19172 transitions. [2019-10-02 09:38:19,236 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:38:19,236 INFO L276 IsEmpty]: Start isEmpty. Operand 14557 states and 19172 transitions. [2019-10-02 09:38:19,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2019-10-02 09:38:19,267 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:38:19,268 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:38:19,270 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:38:19,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:38:19,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1235964849, now seen corresponding path program 1 times [2019-10-02 09:38:19,271 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:38:19,271 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:38:19,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:19,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:19,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:19,757 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2019-10-02 09:38:19,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:38:19,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 09:38:19,761 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 09:38:19,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 09:38:19,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:38:19,762 INFO L87 Difference]: Start difference. First operand 14557 states and 19172 transitions. Second operand 5 states. [2019-10-02 09:38:20,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:38:20,228 INFO L93 Difference]: Finished difference Result 29105 states and 38349 transitions. [2019-10-02 09:38:20,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 09:38:20,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 497 [2019-10-02 09:38:20,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:38:20,282 INFO L225 Difference]: With dead ends: 29105 [2019-10-02 09:38:20,282 INFO L226 Difference]: Without dead ends: 14595 [2019-10-02 09:38:20,320 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 09:38:20,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14595 states. [2019-10-02 09:38:20,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14595 to 14565. [2019-10-02 09:38:20,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14565 states. [2019-10-02 09:38:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14565 states to 14565 states and 19184 transitions. [2019-10-02 09:38:20,945 INFO L78 Accepts]: Start accepts. Automaton has 14565 states and 19184 transitions. Word has length 497 [2019-10-02 09:38:20,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:38:20,946 INFO L475 AbstractCegarLoop]: Abstraction has 14565 states and 19184 transitions. [2019-10-02 09:38:20,946 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 09:38:20,946 INFO L276 IsEmpty]: Start isEmpty. Operand 14565 states and 19184 transitions. [2019-10-02 09:38:20,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2019-10-02 09:38:20,973 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:38:20,974 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:38:20,974 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:38:20,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:38:20,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1179235067, now seen corresponding path program 1 times [2019-10-02 09:38:20,975 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:38:20,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:38:20,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:20,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:20,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2019-10-02 09:38:21,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:38:21,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:38:21,430 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:38:21,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:38:21,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:38:21,431 INFO L87 Difference]: Start difference. First operand 14565 states and 19184 transitions. Second operand 3 states. [2019-10-02 09:38:22,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:38:22,807 INFO L93 Difference]: Finished difference Result 36551 states and 48197 transitions. [2019-10-02 09:38:22,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:38:22,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 499 [2019-10-02 09:38:22,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:38:22,888 INFO L225 Difference]: With dead ends: 36551 [2019-10-02 09:38:22,888 INFO L226 Difference]: Without dead ends: 22033 [2019-10-02 09:38:22,927 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 09:38:22,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22033 states. [2019-10-02 09:38:23,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22033 to 21988. [2019-10-02 09:38:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21988 states. [2019-10-02 09:38:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21988 states to 21988 states and 28845 transitions. [2019-10-02 09:38:23,822 INFO L78 Accepts]: Start accepts. Automaton has 21988 states and 28845 transitions. Word has length 499 [2019-10-02 09:38:23,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:38:23,823 INFO L475 AbstractCegarLoop]: Abstraction has 21988 states and 28845 transitions. [2019-10-02 09:38:23,823 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:38:23,823 INFO L276 IsEmpty]: Start isEmpty. Operand 21988 states and 28845 transitions. [2019-10-02 09:38:23,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2019-10-02 09:38:23,850 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:38:23,851 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:38:23,851 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:38:23,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:38:23,851 INFO L82 PathProgramCache]: Analyzing trace with hash 270622977, now seen corresponding path program 1 times [2019-10-02 09:38:23,852 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:38:23,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:38:23,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:23,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:23,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:25,033 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2019-10-02 09:38:25,034 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:38:25,034 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 09:38:25,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:27,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 4477 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 09:38:27,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:38:27,271 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 122 proven. 1 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2019-10-02 09:38:27,286 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 09:38:27,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2019-10-02 09:38:27,287 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 09:38:27,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 09:38:27,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 09:38:27,288 INFO L87 Difference]: Start difference. First operand 21988 states and 28845 transitions. Second operand 6 states. [2019-10-02 09:38:27,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:38:27,968 INFO L93 Difference]: Finished difference Result 44019 states and 57781 transitions. [2019-10-02 09:38:27,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 09:38:27,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 498 [2019-10-02 09:38:27,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:38:28,049 INFO L225 Difference]: With dead ends: 44019 [2019-10-02 09:38:28,049 INFO L226 Difference]: Without dead ends: 22078 [2019-10-02 09:38:28,100 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 09:38:28,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22078 states. [2019-10-02 09:38:29,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22078 to 22030. [2019-10-02 09:38:29,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22030 states. [2019-10-02 09:38:29,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22030 states to 22030 states and 28908 transitions. [2019-10-02 09:38:29,105 INFO L78 Accepts]: Start accepts. Automaton has 22030 states and 28908 transitions. Word has length 498 [2019-10-02 09:38:29,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:38:29,106 INFO L475 AbstractCegarLoop]: Abstraction has 22030 states and 28908 transitions. [2019-10-02 09:38:29,106 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 09:38:29,107 INFO L276 IsEmpty]: Start isEmpty. Operand 22030 states and 28908 transitions. [2019-10-02 09:38:29,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2019-10-02 09:38:29,133 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:38:29,133 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:38:29,134 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:38:29,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:38:29,134 INFO L82 PathProgramCache]: Analyzing trace with hash -256369189, now seen corresponding path program 1 times [2019-10-02 09:38:29,134 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:38:29,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:38:29,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:29,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:29,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2019-10-02 09:38:30,390 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:38:30,390 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 09:38:30,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:31,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 4617 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 09:38:31,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:38:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 122 proven. 6 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2019-10-02 09:38:31,608 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 09:38:31,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-10-02 09:38:31,609 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 09:38:31,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 09:38:31,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-10-02 09:38:31,610 INFO L87 Difference]: Start difference. First operand 22030 states and 28908 transitions. Second operand 6 states. [2019-10-02 09:38:32,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:38:32,097 INFO L93 Difference]: Finished difference Result 44034 states and 57796 transitions. [2019-10-02 09:38:32,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 09:38:32,098 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 530 [2019-10-02 09:38:32,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:38:32,181 INFO L225 Difference]: With dead ends: 44034 [2019-10-02 09:38:32,181 INFO L226 Difference]: Without dead ends: 22051 [2019-10-02 09:38:32,232 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-10-02 09:38:32,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22051 states. [2019-10-02 09:38:33,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22051 to 22042. [2019-10-02 09:38:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22042 states. [2019-10-02 09:38:33,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22042 states to 22042 states and 28923 transitions. [2019-10-02 09:38:33,179 INFO L78 Accepts]: Start accepts. Automaton has 22042 states and 28923 transitions. Word has length 530 [2019-10-02 09:38:33,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:38:33,180 INFO L475 AbstractCegarLoop]: Abstraction has 22042 states and 28923 transitions. [2019-10-02 09:38:33,180 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 09:38:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 22042 states and 28923 transitions. [2019-10-02 09:38:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2019-10-02 09:38:33,209 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:38:33,210 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:38:33,210 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:38:33,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:38:33,210 INFO L82 PathProgramCache]: Analyzing trace with hash 698984774, now seen corresponding path program 2 times [2019-10-02 09:38:33,211 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:38:33,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:38:33,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:33,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:38:33,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 733 trivial. 0 not checked. [2019-10-02 09:38:34,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:38:34,434 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 09:38:34,801 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 09:38:35,635 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 09:38:35,635 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 09:38:35,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 4646 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 09:38:35,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:38:35,834 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 122 proven. 15 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2019-10-02 09:38:35,846 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 09:38:35,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2019-10-02 09:38:35,848 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 09:38:35,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 09:38:35,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-10-02 09:38:35,848 INFO L87 Difference]: Start difference. First operand 22042 states and 28923 transitions. Second operand 7 states. [2019-10-02 09:38:36,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:38:36,324 INFO L93 Difference]: Finished difference Result 44058 states and 57826 transitions. [2019-10-02 09:38:36,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 09:38:36,324 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 537 [2019-10-02 09:38:36,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:38:36,409 INFO L225 Difference]: With dead ends: 44058 [2019-10-02 09:38:36,409 INFO L226 Difference]: Without dead ends: 22063 [2019-10-02 09:38:36,462 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 537 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-10-02 09:38:36,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22063 states. [2019-10-02 09:38:37,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22063 to 22054. [2019-10-02 09:38:37,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22054 states. [2019-10-02 09:38:37,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22054 states to 22054 states and 28938 transitions. [2019-10-02 09:38:37,169 INFO L78 Accepts]: Start accepts. Automaton has 22054 states and 28938 transitions. Word has length 537 [2019-10-02 09:38:37,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:38:37,170 INFO L475 AbstractCegarLoop]: Abstraction has 22054 states and 28938 transitions. [2019-10-02 09:38:37,170 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 09:38:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand 22054 states and 28938 transitions. [2019-10-02 09:38:37,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2019-10-02 09:38:37,202 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:38:37,203 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:38:37,203 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:38:37,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:38:37,204 INFO L82 PathProgramCache]: Analyzing trace with hash -569147525, now seen corresponding path program 3 times [2019-10-02 09:38:37,204 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:38:37,204 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:38:37,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:37,216 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 09:38:37,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:38:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:38:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2019-10-02 09:38:38,283 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:38:38,284 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 09:38:38,634 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 09:39:27,545 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2019-10-02 09:39:27,545 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 09:39:27,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 4181 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 09:39:27,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:39:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 122 proven. 28 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2019-10-02 09:39:27,744 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 09:39:27,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2019-10-02 09:39:27,745 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 09:39:27,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 09:39:27,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:39:27,746 INFO L87 Difference]: Start difference. First operand 22054 states and 28938 transitions. Second operand 8 states. [2019-10-02 09:39:28,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:39:28,191 INFO L93 Difference]: Finished difference Result 44082 states and 57856 transitions. [2019-10-02 09:39:28,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 09:39:28,192 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 544 [2019-10-02 09:39:28,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:39:28,251 INFO L225 Difference]: With dead ends: 44082 [2019-10-02 09:39:28,251 INFO L226 Difference]: Without dead ends: 22075 [2019-10-02 09:39:28,290 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 544 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:39:28,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22075 states. [2019-10-02 09:39:28,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22075 to 22066. [2019-10-02 09:39:28,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22066 states. [2019-10-02 09:39:28,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22066 states to 22066 states and 28953 transitions. [2019-10-02 09:39:28,888 INFO L78 Accepts]: Start accepts. Automaton has 22066 states and 28953 transitions. Word has length 544 [2019-10-02 09:39:28,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:39:28,889 INFO L475 AbstractCegarLoop]: Abstraction has 22066 states and 28953 transitions. [2019-10-02 09:39:28,889 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 09:39:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 22066 states and 28953 transitions. [2019-10-02 09:39:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2019-10-02 09:39:30,122 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:39:30,122 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:39:30,123 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:39:30,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:39:30,123 INFO L82 PathProgramCache]: Analyzing trace with hash -827640922, now seen corresponding path program 4 times [2019-10-02 09:39:30,123 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:39:30,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:39:30,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:39:30,132 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 09:39:30,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:39:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:39:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 4 proven. 45 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2019-10-02 09:39:31,211 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:39:31,211 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:39:31,562 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-10-02 09:39:32,327 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-02 09:39:32,327 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 09:39:32,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 4704 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-02 09:39:32,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:39:32,502 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 122 proven. 45 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2019-10-02 09:39:32,514 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 09:39:32,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2019-10-02 09:39:32,516 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 09:39:32,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 09:39:32,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-10-02 09:39:32,517 INFO L87 Difference]: Start difference. First operand 22066 states and 28953 transitions. Second operand 9 states. [2019-10-02 09:39:33,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:39:33,012 INFO L93 Difference]: Finished difference Result 44097 states and 57874 transitions. [2019-10-02 09:39:33,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 09:39:33,013 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 551 [2019-10-02 09:39:33,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:39:33,089 INFO L225 Difference]: With dead ends: 44097 [2019-10-02 09:39:33,090 INFO L226 Difference]: Without dead ends: 22078 [2019-10-02 09:39:33,128 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 551 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-10-02 09:39:33,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22078 states. [2019-10-02 09:39:33,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22078 to 22078. [2019-10-02 09:39:33,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22078 states. [2019-10-02 09:39:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22078 states to 22078 states and 28968 transitions. [2019-10-02 09:39:33,716 INFO L78 Accepts]: Start accepts. Automaton has 22078 states and 28968 transitions. Word has length 551 [2019-10-02 09:39:33,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:39:33,717 INFO L475 AbstractCegarLoop]: Abstraction has 22078 states and 28968 transitions. [2019-10-02 09:39:33,717 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 09:39:33,717 INFO L276 IsEmpty]: Start isEmpty. Operand 22078 states and 28968 transitions. [2019-10-02 09:39:33,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2019-10-02 09:39:33,740 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:39:33,740 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:39:33,740 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:39:33,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:39:33,741 INFO L82 PathProgramCache]: Analyzing trace with hash 479430939, now seen corresponding path program 5 times [2019-10-02 09:39:33,741 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:39:33,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:39:33,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:39:33,751 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 09:39:33,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:39:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:39:35,636 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1186) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:574) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:465) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-02 09:39:35,643 INFO L168 Benchmark]: Toolchain (without parser) took 119302.48 ms. Allocated memory was 131.6 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 74.4 MB in the beginning and 2.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 794.5 MB. Max. memory is 7.1 GB. [2019-10-02 09:39:35,645 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 131.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-02 09:39:35,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3944.48 ms. Allocated memory was 131.6 MB in the beginning and 278.9 MB in the end (delta: 147.3 MB). Free memory was 74.0 MB in the beginning and 66.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 154.4 MB. Max. memory is 7.1 GB. [2019-10-02 09:39:35,647 INFO L168 Benchmark]: Boogie Preprocessor took 447.69 ms. Allocated memory was 278.9 MB in the beginning and 287.8 MB in the end (delta: 8.9 MB). Free memory was 66.9 MB in the beginning and 200.4 MB in the end (delta: -133.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-10-02 09:39:35,654 INFO L168 Benchmark]: RCFGBuilder took 6113.19 ms. Allocated memory was 287.8 MB in the beginning and 462.4 MB in the end (delta: 174.6 MB). Free memory was 200.4 MB in the beginning and 342.9 MB in the end (delta: -142.5 MB). Peak memory consumption was 266.6 MB. Max. memory is 7.1 GB. [2019-10-02 09:39:35,655 INFO L168 Benchmark]: TraceAbstraction took 108790.02 ms. Allocated memory was 462.4 MB in the beginning and 3.0 GB in the end (delta: 2.5 GB). Free memory was 342.9 MB in the beginning and 2.1 GB in the end (delta: -1.8 GB). Peak memory consumption was 732.2 MB. Max. memory is 7.1 GB. [2019-10-02 09:39:35,669 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 131.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3944.48 ms. Allocated memory was 131.6 MB in the beginning and 278.9 MB in the end (delta: 147.3 MB). Free memory was 74.0 MB in the beginning and 66.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 154.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 447.69 ms. Allocated memory was 278.9 MB in the beginning and 287.8 MB in the end (delta: 8.9 MB). Free memory was 66.9 MB in the beginning and 200.4 MB in the end (delta: -133.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6113.19 ms. Allocated memory was 287.8 MB in the beginning and 462.4 MB in the end (delta: 174.6 MB). Free memory was 200.4 MB in the beginning and 342.9 MB in the end (delta: -142.5 MB). Peak memory consumption was 266.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 108790.02 ms. Allocated memory was 462.4 MB in the beginning and 3.0 GB in the end (delta: 2.5 GB). Free memory was 342.9 MB in the beginning and 2.1 GB in the end (delta: -1.8 GB). Peak memory consumption was 732.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...