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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 08:53:55,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 08:53:55,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 08:53:55,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 08:53:55,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 08:53:55,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 08:53:55,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 08:53:55,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 08:53:55,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 08:53:55,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 08:53:55,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 08:53:55,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 08:53:55,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 08:53:55,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 08:53:55,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 08:53:55,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 08:53:55,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 08:53:55,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 08:53:55,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 08:53:55,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 08:53:55,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 08:53:55,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 08:53:55,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 08:53:55,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 08:53:55,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 08:53:55,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 08:53:55,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 08:53:55,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 08:53:55,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 08:53:55,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 08:53:55,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 08:53:55,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 08:53:55,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 08:53:55,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 08:53:55,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 08:53:55,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 08:53:55,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 08:53:55,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 08:53:55,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 08:53:55,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 08:53:55,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 08:53:55,876 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 [2019-10-07 08:53:55,897 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 08:53:55,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 08:53:55,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 08:53:55,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 08:53:55,902 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 08:53:55,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 08:53:55,902 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 08:53:55,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 08:53:55,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 08:53:55,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 08:53:55,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 08:53:55,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 08:53:55,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 08:53:55,905 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 08:53:55,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 08:53:55,905 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 08:53:55,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 08:53:55,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 08:53:55,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 08:53:55,906 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 08:53:55,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 08:53:55,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 08:53:55,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 08:53:55,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 08:53:55,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 08:53:55,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 08:53:55,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 08:53:55,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 08:53:55,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 08:53:56,206 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 08:53:56,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 08:53:56,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 08:53:56,225 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 08:53:56,225 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 08:53:56,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2019-10-07 08:53:56,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612bb1a43/73f3dee212ea460eaf12606c376ae212/FLAGad7d657d7 [2019-10-07 08:53:57,143 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 08:53:57,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2019-10-07 08:53:57,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612bb1a43/73f3dee212ea460eaf12606c376ae212/FLAGad7d657d7 [2019-10-07 08:53:57,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612bb1a43/73f3dee212ea460eaf12606c376ae212 [2019-10-07 08:53:57,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 08:53:57,649 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 08:53:57,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 08:53:57,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 08:53:57,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 08:53:57,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 08:53:57" (1/1) ... [2019-10-07 08:53:57,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c168e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:53:57, skipping insertion in model container [2019-10-07 08:53:57,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 08:53:57" (1/1) ... [2019-10-07 08:53:57,666 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 08:53:57,794 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 08:53:59,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 08:53:59,935 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 08:54:00,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 08:54:00,599 INFO L192 MainTranslator]: Completed translation [2019-10-07 08:54:00,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:54:00 WrapperNode [2019-10-07 08:54:00,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 08:54:00,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 08:54:00,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 08:54:00,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 08:54:00,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:54:00" (1/1) ... [2019-10-07 08:54:00,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:54:00" (1/1) ... [2019-10-07 08:54:00,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:54:00" (1/1) ... [2019-10-07 08:54:00,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:54:00" (1/1) ... [2019-10-07 08:54:00,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:54:00" (1/1) ... [2019-10-07 08:54:00,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:54:00" (1/1) ... [2019-10-07 08:54:00,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:54:00" (1/1) ... [2019-10-07 08:54:00,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 08:54:00,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 08:54:00,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 08:54:00,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 08:54:00,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:54:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 08:54:00,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 08:54:00,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 08:54:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-07 08:54:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-07 08:54:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 08:54:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 08:54:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-07 08:54:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-07 08:54:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-07 08:54:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 08:54:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 08:54:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 08:54:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 08:54:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 08:54:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 08:54:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-07 08:54:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-07 08:54:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-07 08:54:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-07 08:54:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-07 08:54:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-07 08:54:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-07 08:54:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-07 08:54:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-10-07 08:54:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 08:54:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 08:54:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 08:54:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 08:54:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 08:54:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 08:54:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 08:54:00,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 08:54:00,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 08:54:00,953 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-07 08:54:00,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-10-07 08:54:00,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-10-07 08:54:00,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2019-10-07 08:54:00,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-07 08:54:00,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-07 08:54:00,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 08:54:00,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 08:54:00,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 08:54:00,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-07 08:54:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 08:54:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-07 08:54:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 08:54:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-07 08:54:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-07 08:54:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_probe [2019-10-07 08:54:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_remove [2019-10-07 08:54:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_interrupt [2019-10-07 08:54:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_start_xmit [2019-10-07 08:54:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_open [2019-10-07 08:54:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_close [2019-10-07 08:54:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_poll_controller [2019-10-07 08:54:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure initialize_card [2019-10-07 08:54:00,957 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2019-10-07 08:54:00,957 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_receive [2019-10-07 08:54:00,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_descriptors [2019-10-07 08:54:00,958 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_descriptors [2019-10-07 08:54:00,958 INFO L138 BoogieDeclarations]: Found implementation of procedure link_status_changed [2019-10-07 08:54:00,958 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_active [2019-10-07 08:54:00,958 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_active [2019-10-07 08:54:00,958 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_receiver [2019-10-07 08:54:00,959 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_receiver [2019-10-07 08:54:00,959 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_transmitter [2019-10-07 08:54:00,959 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_transmitter [2019-10-07 08:54:00,959 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_transmit_interrupt [2019-10-07 08:54:00,959 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_receive_interrupt [2019-10-07 08:54:00,959 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_link_interrupt [2019-10-07 08:54:00,960 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_all_interrupts [2019-10-07 08:54:00,960 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_common_interrupts [2019-10-07 08:54:00,960 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_promisc [2019-10-07 08:54:00,961 INFO L138 BoogieDeclarations]: Found implementation of procedure link_status [2019-10-07 08:54:00,961 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mac_address [2019-10-07 08:54:00,961 INFO L138 BoogieDeclarations]: Found implementation of procedure transceiver_voodoo [2019-10-07 08:54:00,962 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_up [2019-10-07 08:54:00,962 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_read_descriptor [2019-10-07 08:54:00,962 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_write_descriptor [2019-10-07 08:54:00,963 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_ops_init [2019-10-07 08:54:00,963 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_ops_exit [2019-10-07 08:54:00,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_driver_3 [2019-10-07 08:54:00,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-07 08:54:00,964 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-07 08:54:00,964 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-07 08:54:00,964 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-07 08:54:00,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-10-07 08:54:00,966 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-07 08:54:00,966 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 08:54:00,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-07 08:54:00,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-07 08:54:00,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-07 08:54:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-07 08:54:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-07 08:54:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_12 [2019-10-07 08:54:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_13 [2019-10-07 08:54:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_14 [2019-10-07 08:54:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_15 [2019-10-07 08:54:00,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_16 [2019-10-07 08:54:00,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_17 [2019-10-07 08:54:00,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_18 [2019-10-07 08:54:00,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_19 [2019-10-07 08:54:00,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-07 08:54:00,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-07 08:54:00,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-07 08:54:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-07 08:54:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-07 08:54:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 08:54:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 08:54:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 08:54:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 08:54:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-07 08:54:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 08:54:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-07 08:54:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-07 08:54:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-07 08:54:00,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-07 08:54:00,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-07 08:54:00,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 08:54:00,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 08:54:00,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-07 08:54:00,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-07 08:54:00,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-07 08:54:00,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-07 08:54:00,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-07 08:54:00,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 08:54:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 08:54:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 08:54:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 08:54:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 08:54:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-07 08:54:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-07 08:54:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-07 08:54:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-10-07 08:54:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-07 08:54:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-07 08:54:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-07 08:54:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-07 08:54:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-07 08:54:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-07 08:54:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 08:54:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-07 08:54:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-07 08:54:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-07 08:54:00,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-10-07 08:54:00,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-10-07 08:54:00,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-07 08:54:00,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-07 08:54:00,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-07 08:54:00,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-07 08:54:00,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-10-07 08:54:00,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2019-10-07 08:54:00,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-10-07 08:54:00,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-07 08:54:00,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-07 08:54:00,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-07 08:54:00,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-07 08:54:00,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-07 08:54:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-07 08:54:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-07 08:54:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-07 08:54:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 08:54:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-07 08:54:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-07 08:54:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 08:54:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-07 08:54:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 08:54:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 08:54:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 08:54:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 08:54:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 08:54:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 08:54:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 08:54:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 08:54:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 08:54:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 08:54:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-07 08:54:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 08:54:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-07 08:54:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-07 08:54:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 08:54:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 08:54:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-07 08:54:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 08:54:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-07 08:54:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 08:54:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 08:54:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 08:54:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 08:54:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 08:54:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 08:54:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 08:54:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 08:54:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 08:54:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-07 08:54:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-07 08:54:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-07 08:54:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-07 08:54:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-07 08:54:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 08:54:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 08:54:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 08:54:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-07 08:54:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 08:54:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-07 08:54:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-07 08:54:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-07 08:54:01,000 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-07 08:54:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-07 08:54:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-07 08:54:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-07 08:54:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-07 08:54:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 08:54:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-07 08:54:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-07 08:54:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-07 08:54:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-07 08:54:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-07 08:54:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-07 08:54:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 08:54:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-07 08:54:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 08:54:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 08:54:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_18 [2019-10-07 08:54:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-07 08:54:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 08:54:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-10-07 08:54:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-07 08:54:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-07 08:54:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-07 08:54:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 08:54:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 08:54:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 08:54:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 08:54:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 08:54:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 08:54:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 08:54:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 08:54:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 08:54:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 08:54:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 08:54:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 08:54:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 08:54:01,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 08:54:01,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 08:54:01,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 08:54:01,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_driver_3 [2019-10-07 08:54:01,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-07 08:54:01,007 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-07 08:54:01,007 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-07 08:54:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-07 08:54:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-10-07 08:54:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-07 08:54:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-07 08:54:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-07 08:54:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_16 [2019-10-07 08:54:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-07 08:54:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_17 [2019-10-07 08:54:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-10-07 08:54:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-07 08:54:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-10-07 08:54:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-10-07 08:54:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2019-10-07 08:54:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-10-07 08:54:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-10-07 08:54:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2019-10-07 08:54:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-07 08:54:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-07 08:54:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-07 08:54:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-07 08:54:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-07 08:54:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-07 08:54:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-07 08:54:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-07 08:54:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-07 08:54:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 08:54:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 08:54:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 08:54:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 08:54:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_13 [2019-10-07 08:54:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_15 [2019-10-07 08:54:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-07 08:54:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 08:54:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-07 08:54:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 08:54:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-07 08:54:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 08:54:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-07 08:54:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-07 08:54:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-07 08:54:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_19 [2019-10-07 08:54:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-07 08:54:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-07 08:54:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-07 08:54:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_12 [2019-10-07 08:54:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-07 08:54:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_14 [2019-10-07 08:54:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-07 08:54:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-07 08:54:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-07 08:54:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-07 08:54:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-07 08:54:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 08:54:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-07 08:54:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_probe [2019-10-07 08:54:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_remove [2019-10-07 08:54:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_interrupt [2019-10-07 08:54:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_start_xmit [2019-10-07 08:54:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_open [2019-10-07 08:54:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_close [2019-10-07 08:54:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_up [2019-10-07 08:54:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_poll_controller [2019-10-07 08:54:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_read_descriptor [2019-10-07 08:54:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_write_descriptor [2019-10-07 08:54:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure read_mac_address [2019-10-07 08:54:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure transceiver_voodoo [2019-10-07 08:54:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure initialize_card [2019-10-07 08:54:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2019-10-07 08:54:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_receive [2019-10-07 08:54:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure setup_descriptors [2019-10-07 08:54:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure remove_descriptors [2019-10-07 08:54:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure link_status_changed [2019-10-07 08:54:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure activate_receiver [2019-10-07 08:54:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_receiver [2019-10-07 08:54:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure activate_transmitter [2019-10-07 08:54:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_transmitter [2019-10-07 08:54:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure enable_transmit_interrupt [2019-10-07 08:54:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure enable_receive_interrupt [2019-10-07 08:54:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure enable_link_interrupt [2019-10-07 08:54:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure disable_all_interrupts [2019-10-07 08:54:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure link_status [2019-10-07 08:54:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 08:54:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 08:54:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_active [2019-10-07 08:54:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure receive_active [2019-10-07 08:54:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure enable_common_interrupts [2019-10-07 08:54:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure enable_promisc [2019-10-07 08:54:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_ops_init [2019-10-07 08:54:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_ops_exit [2019-10-07 08:54:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-10-07 08:54:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-10-07 08:54:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 08:54:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 08:54:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 08:54:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-07 08:54:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-07 08:54:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-07 08:54:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-07 08:54:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-07 08:54:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 08:54:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 08:54:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 08:54:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 08:54:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-07 08:54:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-07 08:54:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-07 08:54:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 08:54:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 08:54:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 08:54:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 08:54:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 08:54:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 08:54:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 08:54:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 08:54:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 08:54:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 08:54:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 08:54:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 08:54:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 08:54:01,952 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 08:54:24,259 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 08:54:24,260 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 08:54:24,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 08:54:24 BoogieIcfgContainer [2019-10-07 08:54:24,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 08:54:24,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 08:54:24,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 08:54:24,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 08:54:24,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 08:53:57" (1/3) ... [2019-10-07 08:54:24,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1481d359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 08:54:24, skipping insertion in model container [2019-10-07 08:54:24,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:54:00" (2/3) ... [2019-10-07 08:54:24,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1481d359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 08:54:24, skipping insertion in model container [2019-10-07 08:54:24,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 08:54:24" (3/3) ... [2019-10-07 08:54:24,270 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2019-10-07 08:54:24,280 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 08:54:24,289 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 08:54:24,301 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 08:54:24,333 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 08:54:24,333 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 08:54:24,333 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 08:54:24,334 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 08:54:24,334 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 08:54:24,334 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 08:54:24,334 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 08:54:24,334 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 08:54:24,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states. [2019-10-07 08:54:24,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 08:54:24,390 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:54:24,391 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 08:54:24,393 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:54:24,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:54:24,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1613395193, now seen corresponding path program 1 times [2019-10-07 08:54:24,412 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:54:24,412 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:24,413 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:24,413 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:24,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:54:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:54:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 08:54:25,059 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:25,059 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:54:25,059 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 08:54:25,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 08:54:25,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 08:54:25,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 08:54:25,080 INFO L87 Difference]: Start difference. First operand 1014 states. Second operand 3 states. [2019-10-07 08:54:25,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:54:25,487 INFO L93 Difference]: Finished difference Result 2913 states and 3772 transitions. [2019-10-07 08:54:25,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 08:54:25,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-07 08:54:25,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:54:25,532 INFO L225 Difference]: With dead ends: 2913 [2019-10-07 08:54:25,532 INFO L226 Difference]: Without dead ends: 1909 [2019-10-07 08:54:25,547 INFO L606 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 [2019-10-07 08:54:25,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2019-10-07 08:54:25,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1909. [2019-10-07 08:54:25,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1909 states. [2019-10-07 08:54:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2426 transitions. [2019-10-07 08:54:25,850 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2426 transitions. Word has length 52 [2019-10-07 08:54:25,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:54:25,851 INFO L462 AbstractCegarLoop]: Abstraction has 1909 states and 2426 transitions. [2019-10-07 08:54:25,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 08:54:25,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2426 transitions. [2019-10-07 08:54:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 08:54:25,863 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:54:25,863 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 08:54:25,863 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:54:25,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:54:25,864 INFO L82 PathProgramCache]: Analyzing trace with hash 2024528081, now seen corresponding path program 1 times [2019-10-07 08:54:25,864 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:54:25,864 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:25,864 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:25,864 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:25,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:54:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:54:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 08:54:26,194 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:26,194 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:54:26,195 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 08:54:26,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 08:54:26,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 08:54:26,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 08:54:26,198 INFO L87 Difference]: Start difference. First operand 1909 states and 2426 transitions. Second operand 6 states. [2019-10-07 08:54:27,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:54:27,956 INFO L93 Difference]: Finished difference Result 3808 states and 4875 transitions. [2019-10-07 08:54:27,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 08:54:27,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-10-07 08:54:27,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:54:27,999 INFO L225 Difference]: With dead ends: 3808 [2019-10-07 08:54:28,000 INFO L226 Difference]: Without dead ends: 3791 [2019-10-07 08:54:28,003 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 08:54:28,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2019-10-07 08:54:28,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3791. [2019-10-07 08:54:28,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3791 states. [2019-10-07 08:54:28,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3791 states and 4856 transitions. [2019-10-07 08:54:28,190 INFO L78 Accepts]: Start accepts. Automaton has 3791 states and 4856 transitions. Word has length 56 [2019-10-07 08:54:28,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:54:28,191 INFO L462 AbstractCegarLoop]: Abstraction has 3791 states and 4856 transitions. [2019-10-07 08:54:28,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 08:54:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 4856 transitions. [2019-10-07 08:54:28,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-07 08:54:28,203 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:54:28,204 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2019-10-07 08:54:28,204 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:54:28,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:54:28,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1756536928, now seen corresponding path program 1 times [2019-10-07 08:54:28,205 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:54:28,205 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:28,205 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:28,205 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:28,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:54:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:54:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-07 08:54:28,499 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:28,500 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:54:28,500 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 08:54:28,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 08:54:28,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 08:54:28,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 08:54:28,501 INFO L87 Difference]: Start difference. First operand 3791 states and 4856 transitions. Second operand 3 states. [2019-10-07 08:54:28,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:54:28,836 INFO L93 Difference]: Finished difference Result 9837 states and 12476 transitions. [2019-10-07 08:54:28,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 08:54:28,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-10-07 08:54:28,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:54:28,881 INFO L225 Difference]: With dead ends: 9837 [2019-10-07 08:54:28,881 INFO L226 Difference]: Without dead ends: 6064 [2019-10-07 08:54:28,898 INFO L606 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 [2019-10-07 08:54:28,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6064 states. [2019-10-07 08:54:29,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6064 to 5959. [2019-10-07 08:54:29,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5959 states. [2019-10-07 08:54:29,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5959 states to 5959 states and 7525 transitions. [2019-10-07 08:54:29,183 INFO L78 Accepts]: Start accepts. Automaton has 5959 states and 7525 transitions. Word has length 174 [2019-10-07 08:54:29,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:54:29,184 INFO L462 AbstractCegarLoop]: Abstraction has 5959 states and 7525 transitions. [2019-10-07 08:54:29,184 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 08:54:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 5959 states and 7525 transitions. [2019-10-07 08:54:29,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-07 08:54:29,190 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:54:29,190 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2019-10-07 08:54:29,191 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:54:29,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:54:29,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1096641182, now seen corresponding path program 1 times [2019-10-07 08:54:29,191 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:54:29,191 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:29,192 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:29,192 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:54:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:54:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-07 08:54:29,523 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:29,523 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:54:29,523 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 08:54:29,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 08:54:29,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 08:54:29,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 08:54:29,524 INFO L87 Difference]: Start difference. First operand 5959 states and 7525 transitions. Second operand 6 states. [2019-10-07 08:54:33,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:54:33,105 INFO L93 Difference]: Finished difference Result 23842 states and 30235 transitions. [2019-10-07 08:54:33,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 08:54:33,106 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2019-10-07 08:54:33,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:54:33,247 INFO L225 Difference]: With dead ends: 23842 [2019-10-07 08:54:33,248 INFO L226 Difference]: Without dead ends: 17901 [2019-10-07 08:54:33,290 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-07 08:54:33,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17901 states. [2019-10-07 08:54:34,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17901 to 17827. [2019-10-07 08:54:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17827 states. [2019-10-07 08:54:34,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17827 states to 17827 states and 22599 transitions. [2019-10-07 08:54:34,365 INFO L78 Accepts]: Start accepts. Automaton has 17827 states and 22599 transitions. Word has length 162 [2019-10-07 08:54:34,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:54:34,368 INFO L462 AbstractCegarLoop]: Abstraction has 17827 states and 22599 transitions. [2019-10-07 08:54:34,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 08:54:34,369 INFO L276 IsEmpty]: Start isEmpty. Operand 17827 states and 22599 transitions. [2019-10-07 08:54:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-07 08:54:34,376 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:54:34,377 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2019-10-07 08:54:34,377 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:54:34,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:54:34,378 INFO L82 PathProgramCache]: Analyzing trace with hash 894147826, now seen corresponding path program 1 times [2019-10-07 08:54:34,378 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:54:34,378 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:34,378 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:34,378 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:34,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:54:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:54:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-07 08:54:34,629 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:34,630 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:54:34,630 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 08:54:34,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 08:54:34,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 08:54:34,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 08:54:34,633 INFO L87 Difference]: Start difference. First operand 17827 states and 22599 transitions. Second operand 7 states. [2019-10-07 08:54:52,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:54:52,400 INFO L93 Difference]: Finished difference Result 41781 states and 52967 transitions. [2019-10-07 08:54:52,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 08:54:52,400 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 159 [2019-10-07 08:54:52,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:54:52,515 INFO L225 Difference]: With dead ends: 41781 [2019-10-07 08:54:52,515 INFO L226 Difference]: Without dead ends: 23972 [2019-10-07 08:54:52,581 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-10-07 08:54:52,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23972 states. [2019-10-07 08:54:53,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23972 to 23835. [2019-10-07 08:54:53,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23835 states. [2019-10-07 08:54:53,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23835 states to 23835 states and 30209 transitions. [2019-10-07 08:54:53,574 INFO L78 Accepts]: Start accepts. Automaton has 23835 states and 30209 transitions. Word has length 159 [2019-10-07 08:54:53,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:54:53,575 INFO L462 AbstractCegarLoop]: Abstraction has 23835 states and 30209 transitions. [2019-10-07 08:54:53,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 08:54:53,575 INFO L276 IsEmpty]: Start isEmpty. Operand 23835 states and 30209 transitions. [2019-10-07 08:54:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-07 08:54:53,587 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:54:53,587 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2019-10-07 08:54:53,587 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:54:53,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:54:53,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1360377511, now seen corresponding path program 1 times [2019-10-07 08:54:53,588 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:54:53,588 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:53,588 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:53,589 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:53,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:54:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:54:53,969 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-07 08:54:53,970 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:53,970 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:54:53,970 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 08:54:53,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 08:54:53,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 08:54:53,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 08:54:53,971 INFO L87 Difference]: Start difference. First operand 23835 states and 30209 transitions. Second operand 6 states. [2019-10-07 08:54:57,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:54:57,931 INFO L93 Difference]: Finished difference Result 53726 states and 68183 transitions. [2019-10-07 08:54:57,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 08:54:57,931 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2019-10-07 08:54:57,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:54:58,089 INFO L225 Difference]: With dead ends: 53726 [2019-10-07 08:54:58,089 INFO L226 Difference]: Without dead ends: 35813 [2019-10-07 08:54:58,150 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-07 08:54:58,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35813 states. [2019-10-07 08:54:59,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35813 to 35691. [2019-10-07 08:54:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35691 states. [2019-10-07 08:54:59,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35691 states to 35691 states and 45241 transitions. [2019-10-07 08:54:59,627 INFO L78 Accepts]: Start accepts. Automaton has 35691 states and 45241 transitions. Word has length 161 [2019-10-07 08:54:59,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:54:59,628 INFO L462 AbstractCegarLoop]: Abstraction has 35691 states and 45241 transitions. [2019-10-07 08:54:59,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 08:54:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 35691 states and 45241 transitions. [2019-10-07 08:54:59,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 08:54:59,639 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:54:59,639 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2019-10-07 08:54:59,639 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:54:59,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:54:59,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1686849957, now seen corresponding path program 1 times [2019-10-07 08:54:59,640 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:54:59,640 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:59,640 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:59,640 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:54:59,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:54:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:54:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-07 08:54:59,806 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:54:59,807 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:54:59,807 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 08:54:59,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 08:54:59,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 08:54:59,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 08:54:59,808 INFO L87 Difference]: Start difference. First operand 35691 states and 45241 transitions. Second operand 6 states. [2019-10-07 08:55:03,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:55:03,530 INFO L93 Difference]: Finished difference Result 89326 states and 113395 transitions. [2019-10-07 08:55:03,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 08:55:03,531 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2019-10-07 08:55:03,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:55:03,820 INFO L225 Difference]: With dead ends: 89326 [2019-10-07 08:55:03,820 INFO L226 Difference]: Without dead ends: 58765 [2019-10-07 08:55:03,928 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-07 08:55:04,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58765 states. [2019-10-07 08:55:09,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58765 to 58611. [2019-10-07 08:55:09,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58611 states. [2019-10-07 08:55:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58611 states to 58611 states and 74383 transitions. [2019-10-07 08:55:09,719 INFO L78 Accepts]: Start accepts. Automaton has 58611 states and 74383 transitions. Word has length 160 [2019-10-07 08:55:09,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:55:09,720 INFO L462 AbstractCegarLoop]: Abstraction has 58611 states and 74383 transitions. [2019-10-07 08:55:09,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 08:55:09,720 INFO L276 IsEmpty]: Start isEmpty. Operand 58611 states and 74383 transitions. [2019-10-07 08:55:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-07 08:55:09,738 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:55:09,739 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2019-10-07 08:55:09,739 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:55:09,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:55:09,740 INFO L82 PathProgramCache]: Analyzing trace with hash -800775462, now seen corresponding path program 1 times [2019-10-07 08:55:09,740 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:55:09,740 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:55:09,741 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:55:09,741 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:55:09,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:55:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:55:10,460 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-10-07 08:55:10,460 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:55:10,461 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 08:55:10,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 08:55:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:55:11,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 2183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-07 08:55:11,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 08:55:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 08:55:11,298 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 08:55:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-10-07 08:55:11,690 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 08:55:11,691 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 11 [2019-10-07 08:55:11,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 08:55:11,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 08:55:11,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-10-07 08:55:11,694 INFO L87 Difference]: Start difference. First operand 58611 states and 74383 transitions. Second operand 4 states. [2019-10-07 08:55:15,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:55:15,988 INFO L93 Difference]: Finished difference Result 117812 states and 150891 transitions. [2019-10-07 08:55:15,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 08:55:15,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2019-10-07 08:55:15,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:55:16,445 INFO L225 Difference]: With dead ends: 117812 [2019-10-07 08:55:16,446 INFO L226 Difference]: Without dead ends: 59219 [2019-10-07 08:55:16,589 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-10-07 08:55:16,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59219 states. [2019-10-07 08:55:19,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59219 to 59219. [2019-10-07 08:55:19,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59219 states. [2019-10-07 08:55:20,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59219 states to 59219 states and 75181 transitions. [2019-10-07 08:55:20,091 INFO L78 Accepts]: Start accepts. Automaton has 59219 states and 75181 transitions. Word has length 174 [2019-10-07 08:55:20,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:55:20,091 INFO L462 AbstractCegarLoop]: Abstraction has 59219 states and 75181 transitions. [2019-10-07 08:55:20,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 08:55:20,092 INFO L276 IsEmpty]: Start isEmpty. Operand 59219 states and 75181 transitions. [2019-10-07 08:55:20,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-07 08:55:20,101 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:55:20,101 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:55:20,321 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 08:55:20,321 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:55:20,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:55:20,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1484130798, now seen corresponding path program 1 times [2019-10-07 08:55:20,322 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:55:20,323 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:55:20,323 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:55:20,323 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:55:20,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:55:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:55:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-10-07 08:55:20,657 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:55:20,658 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 08:55:20,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 08:55:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:55:21,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 2311 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 08:55:21,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 08:55:21,559 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-10-07 08:55:21,560 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 08:55:21,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 08:55:21,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 08:55:22,280 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-10-07 08:55:22,281 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 08:55:22,321 INFO L162 IcfgInterpreter]: Started Sifa with 148 locations of interest [2019-10-07 08:55:22,321 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 08:55:22,329 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 08:55:22,339 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 08:55:22,340 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 08:56:17,771 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 08:56:23,935 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 173 [2019-10-07 08:56:24,506 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 08:56:25,581 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1193 [2019-10-07 08:56:26,344 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 1192 [2019-10-07 08:56:26,813 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 1192 [2019-10-07 08:56:27,165 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 1192 [2019-10-07 08:56:27,828 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1348 [2019-10-07 08:56:28,430 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 1348 [2019-10-07 08:56:29,143 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 1348 [2019-10-07 08:56:29,792 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1348 [2019-10-07 08:56:30,946 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1350 DAG size of output: 1348 [2019-10-07 08:56:31,655 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 1348 [2019-10-07 08:56:32,299 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1348 [2019-10-07 08:56:32,915 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1348 [2019-10-07 08:56:33,636 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 1348 [2019-10-07 08:56:34,257 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 1348 [2019-10-07 08:56:34,286 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 355 for LOIs [2019-10-07 08:56:34,620 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 08:56:34,869 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 1154 [2019-10-07 08:56:35,372 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 08:56:35,374 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1392 for LOIs [2019-10-07 08:56:35,972 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1392 [2019-10-07 08:56:36,678 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1392 [2019-10-07 08:56:37,526 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1482 [2019-10-07 08:56:38,172 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1392 [2019-10-07 08:56:38,930 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1392 [2019-10-07 08:56:39,783 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1482 [2019-10-07 08:56:40,642 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:41,240 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:42,231 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:56:43,372 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1486 DAG size of output: 1390 [2019-10-07 08:56:43,984 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:44,115 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2019-10-07 08:56:45,050 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:56:45,666 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:46,262 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:47,107 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:56:47,715 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:48,484 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:49,342 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:56:49,946 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:50,550 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:51,540 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:56:52,155 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:52,756 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:53,596 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:56:54,184 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:54,920 WARN L191 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:55,755 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:56:56,331 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:56,912 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:57,860 WARN L191 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:56:58,446 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:59,029 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:56:59,861 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:00,438 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:01,130 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:01,964 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:02,549 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:03,134 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:03,966 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:04,658 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:05,245 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:06,084 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:06,670 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:08,601 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:09,446 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:10,038 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:10,632 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:11,477 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:12,077 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:12,678 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:13,532 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:14,149 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:14,737 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:15,567 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:16,160 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:16,742 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:17,583 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:18,176 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:18,780 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:19,631 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:20,224 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:20,820 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:21,679 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:22,262 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:22,866 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:23,698 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:24,298 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:24,882 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:25,760 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:26,345 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:26,928 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:27,751 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:28,329 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:28,913 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:29,744 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:30,330 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:30,918 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:31,772 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:32,359 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:32,959 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:33,790 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:34,382 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:34,971 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:35,807 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:36,388 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:36,974 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:37,821 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:38,391 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:38,973 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:39,809 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:40,380 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:40,957 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1390 [2019-10-07 08:57:41,792 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1484 [2019-10-07 08:57:42,567 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1486 [2019-10-07 08:57:43,347 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1486 [2019-10-07 08:57:44,207 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1492 [2019-10-07 08:58:12,670 WARN L191 SmtUtils]: Spent 25.06 s on a formula simplification that was a NOOP. DAG size: 2469 [2019-10-07 08:58:15,201 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 2469 [2019-10-07 08:58:17,762 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 2394 [2019-10-07 08:58:21,666 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 2293 [2019-10-07 08:58:23,141 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 1490 [2019-10-07 08:58:23,926 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1490 [2019-10-07 08:58:24,094 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2019-10-07 08:58:25,010 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 1500 [2019-10-07 08:58:53,407 WARN L191 SmtUtils]: Spent 25.32 s on a formula simplification that was a NOOP. DAG size: 2469 [2019-10-07 08:58:55,917 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 2469 [2019-10-07 08:58:58,487 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 2394 [2019-10-07 08:59:02,310 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 2293 [2019-10-07 08:59:03,660 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1502 DAG size of output: 1492 [2019-10-07 08:59:04,463 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1492 [2019-10-07 08:59:05,360 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1500 [2019-10-07 08:59:06,683 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1494 DAG size of output: 1490 [2019-10-07 08:59:07,478 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1490 [2019-10-07 08:59:08,339 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1500 [2019-10-07 08:59:09,146 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1510 [2019-10-07 08:59:09,944 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1510 [2019-10-07 08:59:10,838 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1519 [2019-10-07 08:59:39,207 WARN L191 SmtUtils]: Spent 25.38 s on a formula simplification that was a NOOP. DAG size: 2469 [2019-10-07 08:59:41,858 WARN L191 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 2469 [2019-10-07 08:59:44,391 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 2394 [2019-10-07 08:59:48,246 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 2293 [2019-10-07 08:59:49,081 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1516 [2019-10-07 08:59:49,908 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1516 [2019-10-07 08:59:50,810 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1527 [2019-10-07 09:00:19,474 WARN L191 SmtUtils]: Spent 25.56 s on a formula simplification that was a NOOP. DAG size: 2469 [2019-10-07 09:00:21,977 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 2469 [2019-10-07 09:00:24,521 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 2394 [2019-10-07 09:00:28,422 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 2293 [2019-10-07 09:00:29,806 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1518 [2019-10-07 09:00:30,620 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1518 [2019-10-07 09:00:31,529 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1527 [2019-10-07 09:00:32,993 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1520 DAG size of output: 1516 [2019-10-07 09:00:33,805 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1516 [2019-10-07 09:00:34,709 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1527 [2019-10-07 09:00:35,537 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1529 [2019-10-07 09:00:36,390 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1529 [2019-10-07 09:00:37,344 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 1535 [2019-10-07 09:01:07,163 WARN L191 SmtUtils]: Spent 26.77 s on a formula simplification that was a NOOP. DAG size: 2469 [2019-10-07 09:01:09,736 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 2460 [2019-10-07 09:01:12,344 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 2385 [2019-10-07 09:01:16,230 WARN L191 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 2284 [2019-10-07 09:01:16,463 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 09:01:16,465 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) 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) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 09:01:16,471 INFO L168 Benchmark]: Toolchain (without parser) took 438821.72 ms. Allocated memory was 142.1 MB in the beginning and 3.2 GB in the end (delta: 3.1 GB). Free memory was 90.4 MB in the beginning and 892.5 MB in the end (delta: -802.1 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2019-10-07 09:01:16,473 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 09:01:16,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2950.71 ms. Allocated memory was 142.1 MB in the beginning and 261.1 MB in the end (delta: 119.0 MB). Free memory was 90.2 MB in the beginning and 184.1 MB in the end (delta: -93.9 MB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2019-10-07 09:01:16,473 INFO L168 Benchmark]: Boogie Preprocessor took 269.45 ms. Allocated memory is still 261.1 MB. Free memory was 184.1 MB in the beginning and 165.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-10-07 09:01:16,474 INFO L168 Benchmark]: RCFGBuilder took 23390.93 ms. Allocated memory was 261.1 MB in the beginning and 351.8 MB in the end (delta: 90.7 MB). Free memory was 165.8 MB in the beginning and 230.1 MB in the end (delta: -64.4 MB). Peak memory consumption was 190.8 MB. Max. memory is 7.1 GB. [2019-10-07 09:01:16,474 INFO L168 Benchmark]: TraceAbstraction took 412205.93 ms. Allocated memory was 351.8 MB in the beginning and 3.2 GB in the end (delta: 2.9 GB). Free memory was 230.1 MB in the beginning and 892.5 MB in the end (delta: -662.3 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2019-10-07 09:01:16,476 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2950.71 ms. Allocated memory was 142.1 MB in the beginning and 261.1 MB in the end (delta: 119.0 MB). Free memory was 90.2 MB in the beginning and 184.1 MB in the end (delta: -93.9 MB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 269.45 ms. Allocated memory is still 261.1 MB. Free memory was 184.1 MB in the beginning and 165.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 23390.93 ms. Allocated memory was 261.1 MB in the beginning and 351.8 MB in the end (delta: 90.7 MB). Free memory was 165.8 MB in the beginning and 230.1 MB in the end (delta: -64.4 MB). Peak memory consumption was 190.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 412205.93 ms. Allocated memory was 351.8 MB in the beginning and 3.2 GB in the end (delta: 2.9 GB). Free memory was 230.1 MB in the beginning and 892.5 MB in the end (delta: -662.3 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...