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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 12:02:12,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:02:12,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:02:12,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:02:12,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:02:12,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:02:12,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:02:12,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:02:12,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:02:12,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:02:12,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:02:12,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:02:12,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:02:12,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:02:12,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:02:12,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:02:12,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:02:12,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:02:12,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:02:12,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:02:12,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:02:12,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:02:12,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:02:12,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:02:12,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 12:02:12,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 12:02:12,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 12:02:12,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 12:02:12,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 12:02:12,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 12:02:12,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:02:12,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:02:12,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:02:12,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:02:12,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:02:12,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:02:12,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:02:12,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:02:12,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:02:12,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:02:12,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:02:12,361 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 12:02:12,396 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:02:12,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:02:12,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:02:12,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:02:12,398 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:02:12,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:02:12,398 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:02:12,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:02:12,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:02:12,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:02:12,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:02:12,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:02:12,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:02:12,401 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:02:12,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:02:12,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:02:12,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:02:12,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:02:12,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:02:12,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:02:12,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:02:12,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:02:12,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:02:12,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:02:12,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:02:12,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:02:12,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:02:12,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:02:12,405 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 12:02:12,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:02:12,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:02:12,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:02:12,735 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:02:12,735 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:02:12,736 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2019-10-07 12:02:12,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9438162/1fa3a5618c3f4726af17a0f950538ff8/FLAGe8ddac32b [2019-10-07 12:02:13,583 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:02:13,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2019-10-07 12:02:13,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9438162/1fa3a5618c3f4726af17a0f950538ff8/FLAGe8ddac32b [2019-10-07 12:02:14,078 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9438162/1fa3a5618c3f4726af17a0f950538ff8 [2019-10-07 12:02:14,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:02:14,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:02:14,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:02:14,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:02:14,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:02:14,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:02:14" (1/1) ... [2019-10-07 12:02:14,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39508efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:02:14, skipping insertion in model container [2019-10-07 12:02:14,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:02:14" (1/1) ... [2019-10-07 12:02:14,110 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:02:14,296 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:02:16,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:02:16,504 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:02:16,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:02:17,460 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:02:17,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:02:17 WrapperNode [2019-10-07 12:02:17,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:02:17,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:02:17,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:02:17,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:02:17,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:02:17" (1/1) ... [2019-10-07 12:02:17,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:02:17" (1/1) ... [2019-10-07 12:02:17,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:02:17" (1/1) ... [2019-10-07 12:02:17,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:02:17" (1/1) ... [2019-10-07 12:02:17,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:02:17" (1/1) ... [2019-10-07 12:02:17,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:02:17" (1/1) ... [2019-10-07 12:02:17,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:02:17" (1/1) ... [2019-10-07 12:02:17,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:02:17,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:02:17,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:02:17,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:02:17,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:02:17" (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 12:02:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:02:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:02:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-07 12:02:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-07 12:02:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-07 12:02:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 12:02:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 12:02:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-07 12:02:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 12:02:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 12:02:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 12:02:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 12:02:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 12:02:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 12:02:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 12:02:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 12:02:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 12:02:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 12:02:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-07 12:02:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-10-07 12:02:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-07 12:02:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-10-07 12:02:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-07 12:02:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 12:02:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-07 12:02:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-07 12:02:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-07 12:02:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-07 12:02:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-07 12:02:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-10-07 12:02:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2019-10-07 12:02:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-07 12:02:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-10-07 12:02:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2019-10-07 12:02:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-07 12:02:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 12:02:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-07 12:02:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 12:02:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 12:02:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 12:02:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2019-10-07 12:02:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-07 12:02:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-07 12:02:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-07 12:02:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-07 12:02:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-07 12:02:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-07 12:02:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-07 12:02:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-07 12:02:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-07 12:02:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2019-10-07 12:02:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-07 12:02:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-07 12:02:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-07 12:02:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-07 12:02:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-07 12:02:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-10-07 12:02:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2019-10-07 12:02:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2019-10-07 12:02:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2019-10-07 12:02:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 12:02:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 12:02:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 12:02:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-07 12:02:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-07 12:02:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 12:02:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-07 12:02:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-07 12:02:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-07 12:02:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-07 12:02:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-07 12:02:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2019-10-07 12:02:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2019-10-07 12:02:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2019-10-07 12:02:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2019-10-07 12:02:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2019-10-07 12:02:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2019-10-07 12:02:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_ext_phy [2019-10-07 12:02:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2019-10-07 12:02:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2019-10-07 12:02:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_init_ring [2019-10-07 12:02:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2019-10-07 12:02:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2019-10-07 12:02:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_init_hw_default [2019-10-07 12:02:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2019-10-07 12:02:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2019-10-07 12:02:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_ring [2019-10-07 12:02:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx [2019-10-07 12:02:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_rx_poll [2019-10-07 12:02:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_link_change [2019-10-07 12:02:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2019-10-07 12:02:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2019-10-07 12:02:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_calc_coalesce [2019-10-07 12:02:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2019-10-07 12:02:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2019-10-07 12:02:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2019-10-07 12:02:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2019-10-07 12:02:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_queue_avail [2019-10-07 12:02:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_start_xmit [2019-10-07 12:02:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_regs [2019-10-07 12:02:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2019-10-07 12:02:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_drvinfo [2019-10-07 12:02:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2019-10-07 12:02:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs [2019-10-07 12:02:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_settings [2019-10-07 12:02:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_settings [2019-10-07 12:02:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2019-10-07 12:02:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_link [2019-10-07 12:02:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_wol [2019-10-07 12:02:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_wol [2019-10-07 12:02:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_ioctl [2019-10-07 12:02:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_mac_address [2019-10-07 12:02:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_change_mtu [2019-10-07 12:02:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_enable_magicpkt [2019-10-07 12:02:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_enable_link_change [2019-10-07 12:02:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2019-10-07 12:02:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_suspend [2019-10-07 12:02:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2019-10-07 12:02:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_config_ipg [2019-10-07 12:02:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_probe_ext_phy [2019-10-07 12:02:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_probe_one [2019-10-07 12:02:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2019-10-07 12:02:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_driver_init [2019-10-07 12:02:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_driver_exit [2019-10-07 12:02:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-07 12:02:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-07 12:02:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-07 12:02:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-07 12:02:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-07 12:02:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-07 12:02:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-07 12:02:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-07 12:02:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-10-07 12:02:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-10-07 12:02:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_5 [2019-10-07 12:02:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-07 12:02:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:02:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 12:02:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 12:02:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 12:02:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 12:02:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 12:02:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-07 12:02:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-07 12:02:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-07 12:02:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-07 12:02:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-07 12:02:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-07 12:02:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-07 12:02:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-07 12:02:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-07 12:02:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-07 12:02:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_37 [2019-10-07 12:02:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_38 [2019-10-07 12:02:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_39 [2019-10-07 12:02:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_40 [2019-10-07 12:02:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_41 [2019-10-07 12:02:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_42 [2019-10-07 12:02:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_43 [2019-10-07 12:02:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_44 [2019-10-07 12:02:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_45 [2019-10-07 12:02:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_46 [2019-10-07 12:02:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_47 [2019-10-07 12:02:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_48 [2019-10-07 12:02:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_49 [2019-10-07 12:02:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 12:02:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 12:02:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 12:02:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 12:02:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 12:02:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 12:02:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:02:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-07 12:02:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-07 12:02:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-07 12:02:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-07 12:02:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 12:02:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-07 12:02:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-07 12:02:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_complete [2019-10-07 12:02:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2019-10-07 12:02:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2019-10-07 12:02:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-07 12:02:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-07 12:02:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 12:02:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 12:02:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 12:02:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 12:02:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 12:02:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 12:02:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:02:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-07 12:02:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-07 12:02:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-07 12:02:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-07 12:02:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-07 12:02:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-07 12:02:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-07 12:02:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 12:02:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap [2019-10-07 12:02:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-07 12:02:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-07 12:02:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-10-07 12:02:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-07 12:02:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-07 12:02:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-07 12:02:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 12:02:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 12:02:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 12:02:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-10-07 12:02:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-10-07 12:02:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2019-10-07 12:02:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-10-07 12:02:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-07 12:02:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_3 [2019-10-07 12:02:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-10-07 12:02:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-10-07 12:02:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2019-10-07 12:02:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-10-07 12:02:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-07 12:02:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2019-10-07 12:02:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-07 12:02:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-07 12:02:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-07 12:02:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-07 12:02:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2019-10-07 12:02:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-10-07 12:02:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2019-10-07 12:02:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb_sk [2019-10-07 12:02:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 12:02:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-07 12:02:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-07 12:02:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-07 12:02:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-07 12:02:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-07 12:02:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-07 12:02:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-07 12:02:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-10-07 12:02:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-07 12:02:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-07 12:02:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-07 12:02:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 12:02:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-07 12:02:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-07 12:02:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-07 12:02:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-07 12:02:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 12:02:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 12:02:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 12:02:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 12:02:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 12:02:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:02:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 12:02:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 12:02:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 12:02:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-07 12:02:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 12:02:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:02:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-07 12:02:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-07 12:02:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-07 12:02:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-07 12:02:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 12:02:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 12:02:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 12:02:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 12:02:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 12:02:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 12:02:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 12:02:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 12:02:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 12:02:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 12:02:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 12:02:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 12:02:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 12:02:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 12:02:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 12:02:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 12:02:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 12:02:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 12:02:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-07 12:02:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 12:02:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-07 12:02:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-07 12:02:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:02:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-10-07 12:02:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-07 12:02:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-10-07 12:02:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-07 12:02:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-07 12:02:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-07 12:02:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 12:02:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 12:02:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 12:02:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 12:02:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 12:02:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:02:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 12:02:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-07 12:02:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 12:02:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-07 12:02:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 12:02:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-07 12:02:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 12:02:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-07 12:02:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 12:02:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-07 12:02:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 12:02:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-07 12:02:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_42 [2019-10-07 12:02:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_43 [2019-10-07 12:02:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-07 12:02:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-07 12:02:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_37 [2019-10-07 12:02:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_41 [2019-10-07 12:02:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-10-07 12:02:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2019-10-07 12:02:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-07 12:02:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-10-07 12:02:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2019-10-07 12:02:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-07 12:02:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 12:02:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-07 12:02:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 12:02:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-07 12:02:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-07 12:02:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-07 12:02:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-07 12:02:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-07 12:02:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-07 12:02:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-07 12:02:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-07 12:02:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-10-07 12:02:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-10-07 12:02:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_5 [2019-10-07 12:02:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-07 12:02:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 12:02:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap [2019-10-07 12:02:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-07 12:02:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-07 12:02:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_39 [2019-10-07 12:02:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-07 12:02:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_38 [2019-10-07 12:02:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_40 [2019-10-07 12:02:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 12:02:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 12:02:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 12:02:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:02:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 12:02:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 12:02:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-07 12:02:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-07 12:02:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-07 12:02:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-07 12:02:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-07 12:02:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-10-07 12:02:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2019-10-07 12:02:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2019-10-07 12:02:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-07 12:02:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-07 12:02:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-07 12:02:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_48 [2019-10-07 12:02:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-07 12:02:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_49 [2019-10-07 12:02:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-07 12:02:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-07 12:02:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-07 12:02:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-07 12:02:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-07 12:02:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-07 12:02:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-07 12:02:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-07 12:02:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-07 12:02:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-10-07 12:02:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-07 12:02:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-07 12:02:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-07 12:02:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-07 12:02:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-07 12:02:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-07 12:02:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2019-10-07 12:02:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-07 12:02:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-07 12:02:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-07 12:02:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-07 12:02:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-07 12:02:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-07 12:02:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-07 12:02:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-07 12:02:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-07 12:02:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-07 12:02:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 12:02:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-07 12:02:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:02:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-07 12:02:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-07 12:02:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-07 12:02:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-07 12:02:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2019-10-07 12:02:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-10-07 12:02:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-10-07 12:02:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-10-07 12:02:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-10-07 12:02:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2019-10-07 12:02:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2019-10-07 12:02:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2019-10-07 12:02:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_complete [2019-10-07 12:02:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2019-10-07 12:02:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2019-10-07 12:02:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 12:02:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 12:02:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2019-10-07 12:02:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 12:02:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_45 [2019-10-07 12:02:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_47 [2019-10-07 12:02:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 12:02:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-07 12:02:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 12:02:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-07 12:02:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 12:02:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-07 12:02:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-07 12:02:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-07 12:02:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-07 12:02:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-07 12:02:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-07 12:02:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb_sk [2019-10-07 12:02:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2019-10-07 12:02:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-07 12:02:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-07 12:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-10-07 12:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2019-10-07 12:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-07 12:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_44 [2019-10-07 12:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-07 12:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_46 [2019-10-07 12:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-07 12:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-07 12:02:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-07 12:02:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 12:02:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-07 12:02:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2019-10-07 12:02:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-07 12:02:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2019-10-07 12:02:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2019-10-07 12:02:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2019-10-07 12:02:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:02:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:02:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2019-10-07 12:02:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_ext_phy [2019-10-07 12:02:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2019-10-07 12:02:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2019-10-07 12:02:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_init_ring [2019-10-07 12:02:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2019-10-07 12:02:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2019-10-07 12:02:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_init_hw_default [2019-10-07 12:02:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2019-10-07 12:02:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2019-10-07 12:02:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_ring [2019-10-07 12:02:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx [2019-10-07 12:02:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_rx_poll [2019-10-07 12:02:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_link_change [2019-10-07 12:02:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2019-10-07 12:02:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2019-10-07 12:02:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_calc_coalesce [2019-10-07 12:02:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2019-10-07 12:02:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2019-10-07 12:02:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2019-10-07 12:02:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2019-10-07 12:02:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_queue_avail [2019-10-07 12:02:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_start_xmit [2019-10-07 12:02:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_regs [2019-10-07 12:02:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2019-10-07 12:02:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_drvinfo [2019-10-07 12:02:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2019-10-07 12:02:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs [2019-10-07 12:02:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_settings [2019-10-07 12:02:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_settings [2019-10-07 12:02:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2019-10-07 12:02:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_link [2019-10-07 12:02:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_wol [2019-10-07 12:02:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_wol [2019-10-07 12:02:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_ioctl [2019-10-07 12:02:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_mac_address [2019-10-07 12:02:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 12:02:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_change_mtu [2019-10-07 12:02:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_enable_magicpkt [2019-10-07 12:02:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_enable_link_change [2019-10-07 12:02:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2019-10-07 12:02:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_suspend [2019-10-07 12:02:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2019-10-07 12:02:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_config_ipg [2019-10-07 12:02:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_probe_ext_phy [2019-10-07 12:02:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_probe_one [2019-10-07 12:02:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2019-10-07 12:02:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_driver_init [2019-10-07 12:02:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_driver_exit [2019-10-07 12:02:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-10-07 12:02:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-10-07 12:02:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_3 [2019-10-07 12:02:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2019-10-07 12:02:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 12:02:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-10-07 12:02:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 12:02:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-07 12:02:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:02:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 12:02:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 12:02:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 12:02:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 12:02:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 12:02:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-07 12:02:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:02:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-07 12:02:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-07 12:02:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 12:02:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 12:02:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 12:02:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 12:02:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 12:02:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:02:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 12:02:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 12:02:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:02:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 12:02:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 12:02:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 12:02:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 12:02:19,469 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 12:02:25,400 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:02:25,401 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-07 12:02:25,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:02:25 BoogieIcfgContainer [2019-10-07 12:02:25,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:02:25,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:02:25,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:02:25,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:02:25,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:02:14" (1/3) ... [2019-10-07 12:02:25,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4199697c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:02:25, skipping insertion in model container [2019-10-07 12:02:25,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:02:17" (2/3) ... [2019-10-07 12:02:25,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4199697c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:02:25, skipping insertion in model container [2019-10-07 12:02:25,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:02:25" (3/3) ... [2019-10-07 12:02:25,414 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2019-10-07 12:02:25,424 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:02:25,434 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:02:25,445 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:02:25,481 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:02:25,481 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:02:25,481 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:02:25,481 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:02:25,481 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:02:25,482 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:02:25,482 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:02:25,482 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:02:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states. [2019-10-07 12:02:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-07 12:02:25,577 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:02:25,578 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 5, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:02:25,580 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:02:25,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:02:25,586 INFO L82 PathProgramCache]: Analyzing trace with hash 801941032, now seen corresponding path program 1 times [2019-10-07 12:02:25,596 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:02:25,596 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:25,597 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:25,597 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:25,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:02:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:02:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2019-10-07 12:02:26,593 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:26,594 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:02:26,594 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:02:26,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:02:26,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:02:26,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:02:26,615 INFO L87 Difference]: Start difference. First operand 1811 states. Second operand 3 states. [2019-10-07 12:02:27,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:02:27,771 INFO L93 Difference]: Finished difference Result 4460 states and 5954 transitions. [2019-10-07 12:02:27,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:02:27,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-07 12:02:27,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:02:27,808 INFO L225 Difference]: With dead ends: 4460 [2019-10-07 12:02:27,808 INFO L226 Difference]: Without dead ends: 2732 [2019-10-07 12:02:27,823 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 12:02:27,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2019-10-07 12:02:28,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 2716. [2019-10-07 12:02:28,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2716 states. [2019-10-07 12:02:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3593 transitions. [2019-10-07 12:02:28,139 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3593 transitions. Word has length 172 [2019-10-07 12:02:28,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:02:28,141 INFO L462 AbstractCegarLoop]: Abstraction has 2716 states and 3593 transitions. [2019-10-07 12:02:28,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:02:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3593 transitions. [2019-10-07 12:02:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-10-07 12:02:28,153 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:02:28,154 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 5, 3, 3, 3, 3, 3, 3, 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] [2019-10-07 12:02:28,154 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:02:28,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:02:28,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1541860341, now seen corresponding path program 1 times [2019-10-07 12:02:28,155 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:02:28,155 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:28,155 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:28,155 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:28,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:02:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:02:28,450 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2019-10-07 12:02:28,451 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:28,451 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:02:28,451 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:02:28,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:02:28,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:02:28,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:02:28,455 INFO L87 Difference]: Start difference. First operand 2716 states and 3593 transitions. Second operand 3 states. [2019-10-07 12:02:28,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:02:28,770 INFO L93 Difference]: Finished difference Result 7169 states and 9512 transitions. [2019-10-07 12:02:28,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:02:28,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2019-10-07 12:02:28,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:02:28,811 INFO L225 Difference]: With dead ends: 7169 [2019-10-07 12:02:28,812 INFO L226 Difference]: Without dead ends: 4488 [2019-10-07 12:02:28,832 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 12:02:28,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4488 states. [2019-10-07 12:02:29,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4488 to 4469. [2019-10-07 12:02:29,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4469 states. [2019-10-07 12:02:29,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 4469 states and 5940 transitions. [2019-10-07 12:02:29,187 INFO L78 Accepts]: Start accepts. Automaton has 4469 states and 5940 transitions. Word has length 210 [2019-10-07 12:02:29,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:02:29,188 INFO L462 AbstractCegarLoop]: Abstraction has 4469 states and 5940 transitions. [2019-10-07 12:02:29,189 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:02:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4469 states and 5940 transitions. [2019-10-07 12:02:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-07 12:02:29,208 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:02:29,208 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:29,209 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:02:29,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:02:29,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1337472292, now seen corresponding path program 1 times [2019-10-07 12:02:29,209 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:02:29,210 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:29,210 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:29,210 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:29,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:02:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:02:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2019-10-07 12:02:29,643 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:29,643 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:02:29,643 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:02:29,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:02:29,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:02:29,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:02:29,646 INFO L87 Difference]: Start difference. First operand 4469 states and 5940 transitions. Second operand 3 states. [2019-10-07 12:02:29,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:02:29,910 INFO L93 Difference]: Finished difference Result 8897 states and 11830 transitions. [2019-10-07 12:02:29,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:02:29,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-10-07 12:02:29,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:02:29,951 INFO L225 Difference]: With dead ends: 8897 [2019-10-07 12:02:29,952 INFO L226 Difference]: Without dead ends: 4469 [2019-10-07 12:02:29,972 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 12:02:29,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2019-10-07 12:02:30,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 4469. [2019-10-07 12:02:30,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4469 states. [2019-10-07 12:02:30,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 4469 states and 5938 transitions. [2019-10-07 12:02:30,221 INFO L78 Accepts]: Start accepts. Automaton has 4469 states and 5938 transitions. Word has length 243 [2019-10-07 12:02:30,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:02:30,222 INFO L462 AbstractCegarLoop]: Abstraction has 4469 states and 5938 transitions. [2019-10-07 12:02:30,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:02:30,222 INFO L276 IsEmpty]: Start isEmpty. Operand 4469 states and 5938 transitions. [2019-10-07 12:02:30,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-10-07 12:02:30,233 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:02:30,234 INFO L385 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:30,235 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:02:30,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:02:30,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1033504648, now seen corresponding path program 1 times [2019-10-07 12:02:30,236 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:02:30,236 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:30,236 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:30,236 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:30,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:02:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:02:30,729 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2019-10-07 12:02:30,729 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:30,730 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:02:30,730 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:02:30,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:02:30,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:02:30,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:02:30,732 INFO L87 Difference]: Start difference. First operand 4469 states and 5938 transitions. Second operand 3 states. [2019-10-07 12:02:31,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:02:31,351 INFO L93 Difference]: Finished difference Result 10742 states and 14317 transitions. [2019-10-07 12:02:31,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:02:31,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 270 [2019-10-07 12:02:31,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:02:31,394 INFO L225 Difference]: With dead ends: 10742 [2019-10-07 12:02:31,394 INFO L226 Difference]: Without dead ends: 6314 [2019-10-07 12:02:31,416 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 12:02:31,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6314 states. [2019-10-07 12:02:31,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6314 to 6290. [2019-10-07 12:02:31,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6290 states. [2019-10-07 12:02:31,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6290 states to 6290 states and 8367 transitions. [2019-10-07 12:02:31,752 INFO L78 Accepts]: Start accepts. Automaton has 6290 states and 8367 transitions. Word has length 270 [2019-10-07 12:02:31,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:02:31,752 INFO L462 AbstractCegarLoop]: Abstraction has 6290 states and 8367 transitions. [2019-10-07 12:02:31,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:02:31,753 INFO L276 IsEmpty]: Start isEmpty. Operand 6290 states and 8367 transitions. [2019-10-07 12:02:31,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-10-07 12:02:31,766 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:02:31,766 INFO L385 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:31,766 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:02:31,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:02:31,767 INFO L82 PathProgramCache]: Analyzing trace with hash -180788185, now seen corresponding path program 1 times [2019-10-07 12:02:31,767 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:02:31,767 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:31,767 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:31,768 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:31,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:02:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:02:32,280 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2019-10-07 12:02:32,280 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:32,281 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:02:32,281 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 12:02:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:02:33,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 3649 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-07 12:02:33,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:02:33,450 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2019-10-07 12:02:33,450 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:02:33,807 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2019-10-07 12:02:33,808 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:02:33,808 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 10 [2019-10-07 12:02:33,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 12:02:33,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 12:02:33,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-07 12:02:33,810 INFO L87 Difference]: Start difference. First operand 6290 states and 8367 transitions. Second operand 4 states. [2019-10-07 12:02:34,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:02:34,198 INFO L93 Difference]: Finished difference Result 12603 states and 16837 transitions. [2019-10-07 12:02:34,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 12:02:34,198 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 289 [2019-10-07 12:02:34,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:02:34,242 INFO L225 Difference]: With dead ends: 12603 [2019-10-07 12:02:34,243 INFO L226 Difference]: Without dead ends: 6354 [2019-10-07 12:02:34,273 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-07 12:02:34,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6354 states. [2019-10-07 12:02:34,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6354 to 6354. [2019-10-07 12:02:34,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6354 states. [2019-10-07 12:02:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6354 states to 6354 states and 8455 transitions. [2019-10-07 12:02:34,597 INFO L78 Accepts]: Start accepts. Automaton has 6354 states and 8455 transitions. Word has length 289 [2019-10-07 12:02:34,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:02:34,601 INFO L462 AbstractCegarLoop]: Abstraction has 6354 states and 8455 transitions. [2019-10-07 12:02:34,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 12:02:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 6354 states and 8455 transitions. [2019-10-07 12:02:34,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-10-07 12:02:34,615 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:02:34,615 INFO L385 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:34,826 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:02:34,827 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:02:34,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:02:34,828 INFO L82 PathProgramCache]: Analyzing trace with hash 387131132, now seen corresponding path program 1 times [2019-10-07 12:02:34,828 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:02:34,829 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:34,829 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:34,829 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:34,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:02:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:02:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2019-10-07 12:02:35,375 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:35,376 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:02:35,376 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:02:35,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:02:35,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:02:35,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:02:35,378 INFO L87 Difference]: Start difference. First operand 6354 states and 8455 transitions. Second operand 5 states. [2019-10-07 12:02:38,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:02:38,564 INFO L93 Difference]: Finished difference Result 14505 states and 19350 transitions. [2019-10-07 12:02:38,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 12:02:38,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 304 [2019-10-07 12:02:38,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:02:38,634 INFO L225 Difference]: With dead ends: 14505 [2019-10-07 12:02:38,634 INFO L226 Difference]: Without dead ends: 8192 [2019-10-07 12:02:38,663 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-07 12:02:38,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8192 states. [2019-10-07 12:02:38,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8192 to 8171. [2019-10-07 12:02:38,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8171 states. [2019-10-07 12:02:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 10887 transitions. [2019-10-07 12:02:39,033 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 10887 transitions. Word has length 304 [2019-10-07 12:02:39,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:02:39,034 INFO L462 AbstractCegarLoop]: Abstraction has 8171 states and 10887 transitions. [2019-10-07 12:02:39,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:02:39,035 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 10887 transitions. [2019-10-07 12:02:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-10-07 12:02:39,050 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:02:39,051 INFO L385 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:39,051 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:02:39,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:02:39,052 INFO L82 PathProgramCache]: Analyzing trace with hash 171222104, now seen corresponding path program 1 times [2019-10-07 12:02:39,052 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:02:39,052 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:39,053 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:39,053 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:39,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:02:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:02:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2019-10-07 12:02:39,568 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:39,569 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:02:39,569 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 12:02:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:02:41,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 3824 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:02:41,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:02:41,583 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:02:41,677 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-10-07 12:02:41,677 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:02:42,050 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2019-10-07 12:02:42,050 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:02:42,051 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 3] imperfect sequences [7] total 10 [2019-10-07 12:02:42,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 12:02:42,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 12:02:42,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-07 12:02:42,053 INFO L87 Difference]: Start difference. First operand 8171 states and 10887 transitions. Second operand 7 states. [2019-10-07 12:02:48,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:02:48,402 INFO L93 Difference]: Finished difference Result 20381 states and 27200 transitions. [2019-10-07 12:02:48,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:02:48,403 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 310 [2019-10-07 12:02:48,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:02:48,467 INFO L225 Difference]: With dead ends: 20381 [2019-10-07 12:02:48,467 INFO L226 Difference]: Without dead ends: 12251 [2019-10-07 12:02:48,494 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-07 12:02:48,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12251 states. [2019-10-07 12:02:49,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12251 to 10392. [2019-10-07 12:02:49,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10392 states. [2019-10-07 12:02:49,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10392 states to 10392 states and 13839 transitions. [2019-10-07 12:02:49,204 INFO L78 Accepts]: Start accepts. Automaton has 10392 states and 13839 transitions. Word has length 310 [2019-10-07 12:02:49,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:02:49,205 INFO L462 AbstractCegarLoop]: Abstraction has 10392 states and 13839 transitions. [2019-10-07 12:02:49,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 12:02:49,205 INFO L276 IsEmpty]: Start isEmpty. Operand 10392 states and 13839 transitions. [2019-10-07 12:02:49,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-10-07 12:02:49,226 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:02:49,227 INFO L385 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:49,448 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:02:49,448 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:02:49,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:02:49,449 INFO L82 PathProgramCache]: Analyzing trace with hash -376896751, now seen corresponding path program 1 times [2019-10-07 12:02:49,449 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:02:49,449 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:49,450 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:49,450 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:02:49,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:02:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:02:50,004 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2019-10-07 12:02:50,004 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:02:50,005 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:02:50,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:02:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:02:51,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 3849 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-07 12:02:51,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:02:51,136 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:02:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-10-07 12:02:51,250 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:02:51,605 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2019-10-07 12:02:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2019-10-07 12:02:51,797 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:02:51,798 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [4] total 8 [2019-10-07 12:02:51,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 12:02:51,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 12:02:51,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-10-07 12:02:51,800 INFO L87 Difference]: Start difference. First operand 10392 states and 13839 transitions. Second operand 8 states. [2019-10-07 12:03:01,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:03:01,818 INFO L93 Difference]: Finished difference Result 26601 states and 35491 transitions. [2019-10-07 12:03:01,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:03:01,819 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 314 [2019-10-07 12:03:01,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:03:01,882 INFO L225 Difference]: With dead ends: 26601 [2019-10-07 12:03:01,882 INFO L226 Difference]: Without dead ends: 16250 [2019-10-07 12:03:01,911 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 637 GetRequests, 629 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2019-10-07 12:03:01,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16250 states. [2019-10-07 12:03:02,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16250 to 14392. [2019-10-07 12:03:02,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14392 states. [2019-10-07 12:03:02,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14392 states to 14392 states and 19181 transitions. [2019-10-07 12:03:02,776 INFO L78 Accepts]: Start accepts. Automaton has 14392 states and 19181 transitions. Word has length 314 [2019-10-07 12:03:02,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:03:02,778 INFO L462 AbstractCegarLoop]: Abstraction has 14392 states and 19181 transitions. [2019-10-07 12:03:02,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 12:03:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 14392 states and 19181 transitions. [2019-10-07 12:03:02,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-10-07 12:03:02,823 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:03:02,823 INFO L385 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 7, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:03:03,036 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:03:03,036 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:03:03,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:03:03,037 INFO L82 PathProgramCache]: Analyzing trace with hash -612957370, now seen corresponding path program 1 times [2019-10-07 12:03:03,037 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:03:03,037 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:03:03,038 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:03:03,038 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:03:03,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:03:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:03:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2019-10-07 12:03:03,779 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:03:03,779 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:03:03,779 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:03:03,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:03:03,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:03:03,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:03:03,781 INFO L87 Difference]: Start difference. First operand 14392 states and 19181 transitions. Second operand 3 states. [2019-10-07 12:03:04,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:03:04,175 INFO L93 Difference]: Finished difference Result 28749 states and 38326 transitions. [2019-10-07 12:03:04,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:03:04,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2019-10-07 12:03:04,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:03:04,238 INFO L225 Difference]: With dead ends: 28749 [2019-10-07 12:03:04,238 INFO L226 Difference]: Without dead ends: 14398 [2019-10-07 12:03:04,279 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 12:03:04,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14398 states. [2019-10-07 12:03:04,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14398 to 14394. [2019-10-07 12:03:04,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14394 states. [2019-10-07 12:03:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14394 states to 14394 states and 19183 transitions. [2019-10-07 12:03:04,958 INFO L78 Accepts]: Start accepts. Automaton has 14394 states and 19183 transitions. Word has length 371 [2019-10-07 12:03:04,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:03:04,959 INFO L462 AbstractCegarLoop]: Abstraction has 14394 states and 19183 transitions. [2019-10-07 12:03:04,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:03:04,960 INFO L276 IsEmpty]: Start isEmpty. Operand 14394 states and 19183 transitions. [2019-10-07 12:03:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2019-10-07 12:03:05,021 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:03:05,022 INFO L385 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 7, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:03:05,023 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:03:05,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:03:05,023 INFO L82 PathProgramCache]: Analyzing trace with hash 848380235, now seen corresponding path program 1 times [2019-10-07 12:03:05,024 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:03:05,024 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:03:05,024 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:03:05,024 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:03:05,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:03:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:03:05,501 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2019-10-07 12:03:05,501 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:03:05,502 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:03:05,502 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:03:05,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:03:05,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:03:05,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:03:05,504 INFO L87 Difference]: Start difference. First operand 14394 states and 19183 transitions. Second operand 3 states. [2019-10-07 12:03:05,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:03:05,945 INFO L93 Difference]: Finished difference Result 28767 states and 38352 transitions. [2019-10-07 12:03:05,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:03:05,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 376 [2019-10-07 12:03:05,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:03:06,035 INFO L225 Difference]: With dead ends: 28767 [2019-10-07 12:03:06,035 INFO L226 Difference]: Without dead ends: 14414 [2019-10-07 12:03:06,084 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 12:03:06,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14414 states. [2019-10-07 12:03:07,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14414 to 14396. [2019-10-07 12:03:07,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14396 states. [2019-10-07 12:03:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14396 states to 14396 states and 19185 transitions. [2019-10-07 12:03:07,582 INFO L78 Accepts]: Start accepts. Automaton has 14396 states and 19185 transitions. Word has length 376 [2019-10-07 12:03:07,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:03:07,583 INFO L462 AbstractCegarLoop]: Abstraction has 14396 states and 19185 transitions. [2019-10-07 12:03:07,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:03:07,583 INFO L276 IsEmpty]: Start isEmpty. Operand 14396 states and 19185 transitions. [2019-10-07 12:03:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2019-10-07 12:03:07,639 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:03:07,639 INFO L385 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:03:07,640 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:03:07,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:03:07,640 INFO L82 PathProgramCache]: Analyzing trace with hash 893586085, now seen corresponding path program 1 times [2019-10-07 12:03:07,641 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:03:07,641 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:03:07,641 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:03:07,642 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:03:07,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:03:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:03:08,085 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2019-10-07 12:03:08,085 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:03:08,086 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:03:08,086 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:03:08,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:03:08,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:03:08,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:03:08,087 INFO L87 Difference]: Start difference. First operand 14396 states and 19185 transitions. Second operand 3 states. [2019-10-07 12:03:08,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:03:08,871 INFO L93 Difference]: Finished difference Result 36225 states and 48354 transitions. [2019-10-07 12:03:08,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:03:08,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 401 [2019-10-07 12:03:08,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:03:08,977 INFO L225 Difference]: With dead ends: 36225 [2019-10-07 12:03:08,977 INFO L226 Difference]: Without dead ends: 21870 [2019-10-07 12:03:09,024 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 12:03:09,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21870 states. [2019-10-07 12:03:10,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21870 to 21837. [2019-10-07 12:03:10,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21837 states. [2019-10-07 12:03:10,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21837 states to 21837 states and 28979 transitions. [2019-10-07 12:03:10,149 INFO L78 Accepts]: Start accepts. Automaton has 21837 states and 28979 transitions. Word has length 401 [2019-10-07 12:03:10,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:03:10,150 INFO L462 AbstractCegarLoop]: Abstraction has 21837 states and 28979 transitions. [2019-10-07 12:03:10,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:03:10,150 INFO L276 IsEmpty]: Start isEmpty. Operand 21837 states and 28979 transitions. [2019-10-07 12:03:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2019-10-07 12:03:10,186 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:03:10,187 INFO L385 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:03:10,187 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:03:10,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:03:10,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1994408201, now seen corresponding path program 1 times [2019-10-07 12:03:10,188 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:03:10,188 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:03:10,188 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:03:10,188 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:03:10,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:03:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:03:10,914 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2019-10-07 12:03:10,915 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:03:10,915 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:03:10,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:03:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:03:11,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 4334 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 12:03:12,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:03:12,123 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2019-10-07 12:03:12,124 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:03:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2019-10-07 12:03:13,728 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 12:03:13,783 INFO L162 IcfgInterpreter]: Started Sifa with 277 locations of interest [2019-10-07 12:03:13,784 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 12:03:13,793 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 12:03:13,802 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 12:03:13,802 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 12:03:15,309 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1688 [2019-10-07 12:03:16,072 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 1688 [2019-10-07 12:03:16,821 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 1688 [2019-10-07 12:03:17,585 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 1688 [2019-10-07 12:03:18,367 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1688 [2019-10-07 12:03:19,107 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 1688 [2019-10-07 12:03:19,861 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 1688 [2019-10-07 12:05:21,789 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1726 [2019-10-07 12:05:26,917 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 143 [2019-10-07 12:05:27,667 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1723 [2019-10-07 12:05:28,330 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1723 [2019-10-07 12:05:28,974 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1723 [2019-10-07 12:05:30,083 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1905 [2019-10-07 12:05:31,166 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1905 [2019-10-07 12:05:32,246 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1905 [2019-10-07 12:05:33,313 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1905 [2019-10-07 12:05:35,203 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1907 DAG size of output: 1905 [2019-10-07 12:05:36,246 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1905 [2019-10-07 12:05:37,355 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1905 [2019-10-07 12:05:38,366 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1905 [2019-10-07 12:05:39,386 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1905 [2019-10-07 12:05:40,448 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1905 [2019-10-07 12:05:40,488 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 421 for LOIs [2019-10-07 12:05:41,154 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1695 [2019-10-07 12:05:41,671 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 1695 [2019-10-07 12:05:42,753 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 1877 [2019-10-07 12:05:42,755 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1955 for LOIs [2019-10-07 12:05:43,762 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1955 [2019-10-07 12:05:44,773 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1955 [2019-10-07 12:05:44,893 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2019-10-07 12:05:46,331 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 2107 [2019-10-07 12:05:47,517 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1985 [2019-10-07 12:05:48,551 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1985 [2019-10-07 12:05:48,667 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2019-10-07 12:05:50,124 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 2143 [2019-10-07 12:06:28,597 WARN L191 SmtUtils]: Spent 33.69 s on a formula simplification that was a NOOP. DAG size: 2901 [2019-10-07 12:06:33,820 WARN L191 SmtUtils]: Spent 4.96 s on a formula simplification that was a NOOP. DAG size: 4331 [2019-10-07 12:07:03,387 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2019-10-07 12:07:08,343 WARN L191 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 4340 DAG size of output: 4338 [2019-10-07 12:07:08,668 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:07:08,670 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 12:07:08,680 INFO L168 Benchmark]: Toolchain (without parser) took 294591.59 ms. Allocated memory was 143.7 MB in the beginning and 2.6 GB in the end (delta: 2.5 GB). Free memory was 89.3 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 735.7 MB. Max. memory is 7.1 GB. [2019-10-07 12:07:08,681 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.7 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 12:07:08,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3371.68 ms. Allocated memory was 143.7 MB in the beginning and 267.9 MB in the end (delta: 124.3 MB). Free memory was 88.8 MB in the beginning and 201.5 MB in the end (delta: -112.6 MB). Peak memory consumption was 137.5 MB. Max. memory is 7.1 GB. [2019-10-07 12:07:08,682 INFO L168 Benchmark]: Boogie Preprocessor took 342.48 ms. Allocated memory is still 267.9 MB. Free memory was 201.5 MB in the beginning and 171.2 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2019-10-07 12:07:08,686 INFO L168 Benchmark]: RCFGBuilder took 7599.21 ms. Allocated memory was 267.9 MB in the beginning and 422.6 MB in the end (delta: 154.7 MB). Free memory was 171.2 MB in the beginning and 210.6 MB in the end (delta: -39.5 MB). Peak memory consumption was 294.2 MB. Max. memory is 7.1 GB. [2019-10-07 12:07:08,687 INFO L168 Benchmark]: TraceAbstraction took 283268.79 ms. Allocated memory was 422.6 MB in the beginning and 2.6 GB in the end (delta: 2.2 GB). Free memory was 210.6 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 578.1 MB. Max. memory is 7.1 GB. [2019-10-07 12:07:08,692 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 143.7 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3371.68 ms. Allocated memory was 143.7 MB in the beginning and 267.9 MB in the end (delta: 124.3 MB). Free memory was 88.8 MB in the beginning and 201.5 MB in the end (delta: -112.6 MB). Peak memory consumption was 137.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 342.48 ms. Allocated memory is still 267.9 MB. Free memory was 201.5 MB in the beginning and 171.2 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7599.21 ms. Allocated memory was 267.9 MB in the beginning and 422.6 MB in the end (delta: 154.7 MB). Free memory was 171.2 MB in the beginning and 210.6 MB in the end (delta: -39.5 MB). Peak memory consumption was 294.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 283268.79 ms. Allocated memory was 422.6 MB in the beginning and 2.6 GB in the end (delta: 2.2 GB). Free memory was 210.6 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 578.1 MB. 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...