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--packetengines--hamachi.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:50:49,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:50:49,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:50:49,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:50:49,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:50:49,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:50:49,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:50:49,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:50:49,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:50:49,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:50:49,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:50:49,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:50:49,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:50:49,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:50:49,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:50:49,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:50:49,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:50:49,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:50:49,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:50:49,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:50:49,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:50:49,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:50:49,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:50:49,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:50:49,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:50:49,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:50:49,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:50:49,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:50:49,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:50:49,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:50:49,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:50:49,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:50:49,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:50:49,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:50:49,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:50:49,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:50:49,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:50:49,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:50:49,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:50:49,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:50:49,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:50:49,547 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 [2019-10-13 22:50:49,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:50:49,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:50:49,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:50:49,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:50:49,575 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:50:49,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:50:49,576 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:50:49,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:50:49,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:50:49,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:50:49,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:50:49,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:50:49,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:50:49,578 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:50:49,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:50:49,578 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:50:49,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:50:49,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:50:49,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:50:49,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:50:49,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:50:49,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:50:49,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:50:49,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:50:49,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:50:49,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:50:49,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:50:49,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:50:49,581 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 [2019-10-13 22:50:49,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:50:49,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:50:49,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:50:49,878 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:50:49,879 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:50:49,879 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2019-10-13 22:50:49,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b1267b2e/b2341052a0c043c592bd3da66838ed82/FLAGdccb23a33 [2019-10-13 22:50:50,830 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:50:50,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2019-10-13 22:50:50,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b1267b2e/b2341052a0c043c592bd3da66838ed82/FLAGdccb23a33 [2019-10-13 22:50:51,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b1267b2e/b2341052a0c043c592bd3da66838ed82 [2019-10-13 22:50:51,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:50:51,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:50:51,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:50:51,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:50:51,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:50:51,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:50:51" (1/1) ... [2019-10-13 22:50:51,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@534c77f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:51, skipping insertion in model container [2019-10-13 22:50:51,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:50:51" (1/1) ... [2019-10-13 22:50:51,316 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:50:51,473 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:50:54,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:50:54,389 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:50:54,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:50:55,327 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:50:55,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:55 WrapperNode [2019-10-13 22:50:55,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:50:55,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:50:55,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:50:55,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:50:55,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:55" (1/1) ... [2019-10-13 22:50:55,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:55" (1/1) ... [2019-10-13 22:50:55,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:55" (1/1) ... [2019-10-13 22:50:55,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:55" (1/1) ... [2019-10-13 22:50:55,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:55" (1/1) ... [2019-10-13 22:50:55,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:55" (1/1) ... [2019-10-13 22:50:55,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:55" (1/1) ... [2019-10-13 22:50:55,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:50:55,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:50:55,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:50:55,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:50:55,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:55" (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 [2019-10-13 22:50:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:50:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:50:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-13 22:50:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-13 22:50:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-13 22:50:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-13 22:50:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 22:50:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 22:50:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 22:50:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 22:50:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2019-10-13 22:50:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:50:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:50:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 22:50:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 22:50:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:50:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:50:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:50:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:50:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:50:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:50:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-13 22:50:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-13 22:50:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-13 22:50:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-13 22:50:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-10-13 22:50:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2019-10-13 22:50:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-13 22:50:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-10-13 22:50:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2019-10-13 22:50:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-13 22:50:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-13 22:50:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 22:50:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 22:50:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 22:50:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:50:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:50:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-13 22:50:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-13 22:50:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-13 22:50:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-13 22:50:55,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-13 22:50:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2019-10-13 22:50:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2019-10-13 22:50:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-13 22:50:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-13 22:50:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-13 22:50:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-13 22:50:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2019-10-13 22:50:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2019-10-13 22:50:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-13 22:50:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-13 22:50:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-13 22:50:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-13 22:50:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-13 22:50:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-10-13 22:50:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-10-13 22:50:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-10-13 22:50:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-10-13 22:50:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 22:50:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 22:50:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 22:50:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-13 22:50:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-13 22:50:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 22:50:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-13 22:50:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-13 22:50:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-13 22:50:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2019-10-13 22:50:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_init_one [2019-10-13 22:50:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2019-10-13 22:50:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2019-10-13 22:50:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2019-10-13 22:50:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_open [2019-10-13 22:50:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx [2019-10-13 22:50:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_timer [2019-10-13 22:50:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx_timeout [2019-10-13 22:50:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_init_ring [2019-10-13 22:50:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_start_xmit [2019-10-13 22:50:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_interrupt [2019-10-13 22:50:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_rx [2019-10-13 22:50:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_error [2019-10-13 22:50:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_close [2019-10-13 22:50:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_stats [2019-10-13 22:50:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2019-10-13 22:50:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2019-10-13 22:50:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_drvinfo [2019-10-13 22:50:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_settings [2019-10-13 22:50:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_set_settings [2019-10-13 22:50:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_nway_reset [2019-10-13 22:50:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_link [2019-10-13 22:50:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2019-10-13 22:50:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_remove_one [2019-10-13 22:50:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_init [2019-10-13 22:50:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_exit [2019-10-13 22:50:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_6 [2019-10-13 22:50:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-13 22:50:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-13 22:50:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-13 22:50:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-13 22:50:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-13 22:50:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-13 22:50:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-13 22:50:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-13 22:50:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-10-13 22:50:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_4 [2019-10-13 22:50:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_5 [2019-10-13 22:50:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-13 22:50:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:50:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 22:50:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 22:50:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 22:50:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 22:50:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-13 22:50:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-13 22:50:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-13 22:50:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-13 22:50:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-13 22:50:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-13 22:50:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-13 22:50:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-13 22:50:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-13 22:50:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-13 22:50:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2019-10-13 22:50:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2019-10-13 22:50:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_39 [2019-10-13 22:50:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_40 [2019-10-13 22:50:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_41 [2019-10-13 22:50:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2019-10-13 22:50:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2019-10-13 22:50:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_44 [2019-10-13 22:50:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_45 [2019-10-13 22:50:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:50:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:50:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:50:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:50:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:50:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 22:50:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:50:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 22:50:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 22:50:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 22:50:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 22:50:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 22:50:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-13 22:50:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-13 22:50:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-13 22:50:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:50:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 22:50:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 22:50:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 22:50:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 22:50:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-13 22:50:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-13 22:50:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-13 22:50:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-13 22:50:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-13 22:50:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2019-10-13 22:50:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2019-10-13 22:50:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-13 22:50:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 22:50:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-13 22:50:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-13 22:50:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-13 22:50:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-13 22:50:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-13 22:50:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-13 22:50:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 22:50:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 22:50:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2019-10-13 22:50:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-13 22:50:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-13 22:50:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:50:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:50:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_6 [2019-10-13 22:50:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_6 [2019-10-13 22:50:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-10-13 22:50:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 22:50:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-10-13 22:50:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-10-13 22:50:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2019-10-13 22:50:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-10-13 22:50:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-13 22:50:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 22:50:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-13 22:50:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-13 22:50:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-13 22:50:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-13 22:50:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-13 22:50:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:50:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-13 22:50:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 22:50:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 22:50:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-13 22:50:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 22:50:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:50:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:50:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:50:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:50:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:50:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:50:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:50:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 22:50:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 22:50:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 22:50:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:50:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 22:50:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2019-10-13 22:50:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:50:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 22:50:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 22:50:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:50:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:50:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:50:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:50:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:50:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:50:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:50:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:50:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:50:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:50:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:50:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 22:50:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 22:50:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:50:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:50:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:50:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:50:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:50:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-13 22:50:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:50:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-13 22:50:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:50:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 22:50:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 22:50:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 22:50:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 22:50:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:50:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-13 22:50:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 22:50:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-13 22:50:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 22:50:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-13 22:50:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 22:50:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-13 22:50:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 22:50:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-13 22:50:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 22:50:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_41 [2019-10-13 22:50:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-10-13 22:50:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2019-10-13 22:50:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-13 22:50:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-10-13 22:50:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2019-10-13 22:50:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-13 22:50:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-13 22:50:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-13 22:50:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-13 22:50:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 22:50:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:50:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-13 22:50:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-13 22:50:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 22:50:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_6 [2019-10-13 22:50:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-13 22:50:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-13 22:50:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-13 22:50:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-13 22:50:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-13 22:50:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-13 22:50:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-13 22:50:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-13 22:50:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-10-13 22:50:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_4 [2019-10-13 22:50:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_5 [2019-10-13 22:50:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-13 22:50:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 22:50:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 22:50:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_39 [2019-10-13 22:50:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 22:50:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_40 [2019-10-13 22:50:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 22:50:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:50:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:50:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:50:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-13 22:50:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-13 22:50:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-13 22:50:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-13 22:50:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-13 22:50:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_44 [2019-10-13 22:50:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-13 22:50:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_45 [2019-10-13 22:50:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-13 22:50:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-13 22:50:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-13 22:50:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-13 22:50:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2019-10-13 22:50:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2019-10-13 22:50:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-13 22:50:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-13 22:50:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-13 22:50:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-13 22:50:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-13 22:50:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2019-10-13 22:50:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-13 22:50:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2019-10-13 22:50:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-13 22:50:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-13 22:50:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-13 22:50:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-13 22:50:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-13 22:50:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-13 22:50:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2019-10-13 22:50:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2019-10-13 22:50:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-13 22:50:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-13 22:50:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-13 22:50:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-13 22:50:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-13 22:50:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-13 22:50:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-13 22:50:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-13 22:50:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-13 22:50:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-13 22:50:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 22:50:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-13 22:50:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:50:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-13 22:50:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-13 22:50:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-13 22:50:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-13 22:50:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-10-13 22:50:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-10-13 22:50:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-10-13 22:50:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:50:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2019-10-13 22:50:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-10-13 22:50:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-10-13 22:50:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-10-13 22:50:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2019-10-13 22:50:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-10-13 22:50:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 22:50:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 22:50:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 22:50:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 22:50:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2019-10-13 22:50:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2019-10-13 22:50:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 22:50:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-13 22:50:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 22:50:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-13 22:50:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 22:50:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-13 22:50:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-13 22:50:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-13 22:50:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-13 22:50:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-13 22:50:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-13 22:50:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2019-10-13 22:50:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 22:50:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2019-10-13 22:50:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2019-10-13 22:50:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-13 22:50:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-13 22:50:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-13 22:50:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-13 22:50:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-13 22:50:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_timer [2019-10-13 22:50:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:50:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2019-10-13 22:50:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2019-10-13 22:50:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2019-10-13 22:50:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_open [2019-10-13 22:50:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2019-10-13 22:50:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx_timeout [2019-10-13 22:50:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_init_ring [2019-10-13 22:50:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_start_xmit [2019-10-13 22:50:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_interrupt [2019-10-13 22:50:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_rx [2019-10-13 22:50:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx [2019-10-13 22:50:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_error [2019-10-13 22:50:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_close [2019-10-13 22:50:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_stats [2019-10-13 22:50:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2019-10-13 22:50:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_init_one [2019-10-13 22:50:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:50:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2019-10-13 22:50:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_drvinfo [2019-10-13 22:50:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_settings [2019-10-13 22:50:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_set_settings [2019-10-13 22:50:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_nway_reset [2019-10-13 22:50:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_link [2019-10-13 22:50:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_remove_one [2019-10-13 22:50:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_init [2019-10-13 22:50:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_exit [2019-10-13 22:50:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_6 [2019-10-13 22:50:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-10-13 22:50:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_6 [2019-10-13 22:50:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:50:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:50:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-13 22:50:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:50:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:50:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:50:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:50:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:50:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:50:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 22:50:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:50:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 22:50:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 22:50:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:50:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 22:50:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-13 22:50:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:50:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:50:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:50:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:50:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:50:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:50:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:50:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:50:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:50:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:50:56,902 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:51:10,836 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:51:10,837 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:51:10,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:51:10 BoogieIcfgContainer [2019-10-13 22:51:10,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:51:10,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:51:10,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:51:10,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:51:10,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:50:51" (1/3) ... [2019-10-13 22:51:10,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8e02f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:51:10, skipping insertion in model container [2019-10-13 22:51:10,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:55" (2/3) ... [2019-10-13 22:51:10,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8e02f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:51:10, skipping insertion in model container [2019-10-13 22:51:10,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:51:10" (3/3) ... [2019-10-13 22:51:10,846 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2019-10-13 22:51:10,854 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:51:10,864 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:51:10,873 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:51:10,913 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:51:10,913 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:51:10,913 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:51:10,913 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:51:10,913 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:51:10,913 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:51:10,914 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:51:10,914 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:51:10,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states. [2019-10-13 22:51:10,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-13 22:51:10,988 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:10,990 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2019-10-13 22:51:10,992 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:10,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:10,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1335403405, now seen corresponding path program 1 times [2019-10-13 22:51:11,004 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:11,005 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000591735] [2019-10-13 22:51:11,005 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:11,005 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:11,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2019-10-13 22:51:11,957 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000591735] [2019-10-13 22:51:11,958 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:51:11,958 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:51:11,958 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405605655] [2019-10-13 22:51:11,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:51:11,964 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:11,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:51:11,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:51:11,984 INFO L87 Difference]: Start difference. First operand 1376 states. Second operand 3 states. [2019-10-13 22:51:12,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:12,482 INFO L93 Difference]: Finished difference Result 3427 states and 4496 transitions. [2019-10-13 22:51:12,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:51:12,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2019-10-13 22:51:12,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:12,521 INFO L225 Difference]: With dead ends: 3427 [2019-10-13 22:51:12,521 INFO L226 Difference]: Without dead ends: 2070 [2019-10-13 22:51:12,536 INFO L600 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 [2019-10-13 22:51:12,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2019-10-13 22:51:12,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2045. [2019-10-13 22:51:12,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2045 states. [2019-10-13 22:51:12,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 2045 states and 2639 transitions. [2019-10-13 22:51:12,768 INFO L78 Accepts]: Start accepts. Automaton has 2045 states and 2639 transitions. Word has length 125 [2019-10-13 22:51:12,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:12,770 INFO L462 AbstractCegarLoop]: Abstraction has 2045 states and 2639 transitions. [2019-10-13 22:51:12,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:51:12,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2639 transitions. [2019-10-13 22:51:12,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 22:51:12,780 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:12,781 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2019-10-13 22:51:12,784 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:12,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:12,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1724615934, now seen corresponding path program 1 times [2019-10-13 22:51:12,785 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:12,785 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204853888] [2019-10-13 22:51:12,785 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:12,785 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:12,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:13,220 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-13 22:51:13,221 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204853888] [2019-10-13 22:51:13,221 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:51:13,221 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:51:13,221 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977736604] [2019-10-13 22:51:13,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:51:13,225 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:13,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:51:13,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:51:13,226 INFO L87 Difference]: Start difference. First operand 2045 states and 2639 transitions. Second operand 5 states. [2019-10-13 22:51:13,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:13,732 INFO L93 Difference]: Finished difference Result 6094 states and 7879 transitions. [2019-10-13 22:51:13,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:51:13,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2019-10-13 22:51:13,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:13,761 INFO L225 Difference]: With dead ends: 6094 [2019-10-13 22:51:13,761 INFO L226 Difference]: Without dead ends: 4080 [2019-10-13 22:51:13,770 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:51:13,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4080 states. [2019-10-13 22:51:13,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4080 to 4055. [2019-10-13 22:51:13,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4055 states. [2019-10-13 22:51:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4055 states to 4055 states and 5238 transitions. [2019-10-13 22:51:13,958 INFO L78 Accepts]: Start accepts. Automaton has 4055 states and 5238 transitions. Word has length 133 [2019-10-13 22:51:13,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:13,959 INFO L462 AbstractCegarLoop]: Abstraction has 4055 states and 5238 transitions. [2019-10-13 22:51:13,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:51:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 4055 states and 5238 transitions. [2019-10-13 22:51:13,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-13 22:51:13,964 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:13,964 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2019-10-13 22:51:13,965 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:13,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:13,965 INFO L82 PathProgramCache]: Analyzing trace with hash -910187704, now seen corresponding path program 1 times [2019-10-13 22:51:13,965 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:13,966 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165784512] [2019-10-13 22:51:13,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:13,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:13,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-13 22:51:14,253 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165784512] [2019-10-13 22:51:14,253 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:51:14,253 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:51:14,254 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187002712] [2019-10-13 22:51:14,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:51:14,254 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:14,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:51:14,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:51:14,255 INFO L87 Difference]: Start difference. First operand 4055 states and 5238 transitions. Second operand 5 states. [2019-10-13 22:51:14,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:14,587 INFO L93 Difference]: Finished difference Result 8824 states and 11352 transitions. [2019-10-13 22:51:14,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:51:14,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2019-10-13 22:51:14,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:14,630 INFO L225 Difference]: With dead ends: 8824 [2019-10-13 22:51:14,630 INFO L226 Difference]: Without dead ends: 6106 [2019-10-13 22:51:14,644 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:51:14,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6106 states. [2019-10-13 22:51:15,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6106 to 6071. [2019-10-13 22:51:15,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6071 states. [2019-10-13 22:51:15,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6071 states to 6071 states and 7839 transitions. [2019-10-13 22:51:15,995 INFO L78 Accepts]: Start accepts. Automaton has 6071 states and 7839 transitions. Word has length 134 [2019-10-13 22:51:15,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:15,998 INFO L462 AbstractCegarLoop]: Abstraction has 6071 states and 7839 transitions. [2019-10-13 22:51:15,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:51:15,998 INFO L276 IsEmpty]: Start isEmpty. Operand 6071 states and 7839 transitions. [2019-10-13 22:51:16,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 22:51:16,005 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:16,006 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2019-10-13 22:51:16,006 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:16,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:16,006 INFO L82 PathProgramCache]: Analyzing trace with hash 832542107, now seen corresponding path program 1 times [2019-10-13 22:51:16,008 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:16,008 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575884557] [2019-10-13 22:51:16,008 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:16,008 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:16,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:16,326 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-13 22:51:16,326 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575884557] [2019-10-13 22:51:16,327 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:51:16,327 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:51:16,327 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531888709] [2019-10-13 22:51:16,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:51:16,328 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:16,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:51:16,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:51:16,329 INFO L87 Difference]: Start difference. First operand 6071 states and 7839 transitions. Second operand 5 states. [2019-10-13 22:51:16,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:16,759 INFO L93 Difference]: Finished difference Result 10850 states and 13957 transitions. [2019-10-13 22:51:16,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:51:16,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2019-10-13 22:51:16,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:16,802 INFO L225 Difference]: With dead ends: 10850 [2019-10-13 22:51:16,802 INFO L226 Difference]: Without dead ends: 6114 [2019-10-13 22:51:16,823 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:51:16,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6114 states. [2019-10-13 22:51:17,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6114 to 6079. [2019-10-13 22:51:17,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6079 states. [2019-10-13 22:51:17,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6079 states to 6079 states and 7843 transitions. [2019-10-13 22:51:17,162 INFO L78 Accepts]: Start accepts. Automaton has 6079 states and 7843 transitions. Word has length 135 [2019-10-13 22:51:17,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:17,163 INFO L462 AbstractCegarLoop]: Abstraction has 6079 states and 7843 transitions. [2019-10-13 22:51:17,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:51:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 6079 states and 7843 transitions. [2019-10-13 22:51:17,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 22:51:17,170 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:17,171 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2019-10-13 22:51:17,171 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:17,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:17,171 INFO L82 PathProgramCache]: Analyzing trace with hash 839855365, now seen corresponding path program 1 times [2019-10-13 22:51:17,172 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:17,172 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969572388] [2019-10-13 22:51:17,172 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:17,173 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:17,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-13 22:51:17,649 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969572388] [2019-10-13 22:51:17,650 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:51:17,650 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:51:17,650 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717586433] [2019-10-13 22:51:17,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:51:17,651 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:17,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:51:17,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:51:17,652 INFO L87 Difference]: Start difference. First operand 6079 states and 7843 transitions. Second operand 5 states. [2019-10-13 22:51:18,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:18,001 INFO L93 Difference]: Finished difference Result 10291 states and 13233 transitions. [2019-10-13 22:51:18,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:51:18,002 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2019-10-13 22:51:18,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:18,044 INFO L225 Difference]: With dead ends: 10291 [2019-10-13 22:51:18,045 INFO L226 Difference]: Without dead ends: 5545 [2019-10-13 22:51:18,065 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:51:18,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5545 states. [2019-10-13 22:51:18,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5545 to 5516. [2019-10-13 22:51:18,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5516 states. [2019-10-13 22:51:18,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5516 states to 5516 states and 7119 transitions. [2019-10-13 22:51:18,390 INFO L78 Accepts]: Start accepts. Automaton has 5516 states and 7119 transitions. Word has length 136 [2019-10-13 22:51:18,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:18,390 INFO L462 AbstractCegarLoop]: Abstraction has 5516 states and 7119 transitions. [2019-10-13 22:51:18,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:51:18,391 INFO L276 IsEmpty]: Start isEmpty. Operand 5516 states and 7119 transitions. [2019-10-13 22:51:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-13 22:51:18,397 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:18,397 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2019-10-13 22:51:18,397 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:18,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:18,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1171751974, now seen corresponding path program 1 times [2019-10-13 22:51:18,398 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:18,398 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442258151] [2019-10-13 22:51:18,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:18,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:18,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:18,755 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-10-13 22:51:18,755 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442258151] [2019-10-13 22:51:18,755 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146454024] [2019-10-13 22:51:18,756 INFO L94 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 [2019-10-13 22:51:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:19,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 3583 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 22:51:19,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:51:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-13 22:51:20,018 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:51:20,415 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-13 22:51:20,416 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:51:20,416 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [9] total 14 [2019-10-13 22:51:20,416 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905929157] [2019-10-13 22:51:20,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 22:51:20,418 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:20,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 22:51:20,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-10-13 22:51:20,419 INFO L87 Difference]: Start difference. First operand 5516 states and 7119 transitions. Second operand 7 states. [2019-10-13 22:51:21,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:21,123 INFO L93 Difference]: Finished difference Result 13106 states and 16929 transitions. [2019-10-13 22:51:21,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 22:51:21,124 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 150 [2019-10-13 22:51:21,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:21,183 INFO L225 Difference]: With dead ends: 13106 [2019-10-13 22:51:21,183 INFO L226 Difference]: Without dead ends: 9054 [2019-10-13 22:51:21,204 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 294 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2019-10-13 22:51:21,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9054 states. [2019-10-13 22:51:21,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9054 to 8991. [2019-10-13 22:51:21,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8991 states. [2019-10-13 22:51:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8991 states to 8991 states and 11629 transitions. [2019-10-13 22:51:21,873 INFO L78 Accepts]: Start accepts. Automaton has 8991 states and 11629 transitions. Word has length 150 [2019-10-13 22:51:21,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:21,874 INFO L462 AbstractCegarLoop]: Abstraction has 8991 states and 11629 transitions. [2019-10-13 22:51:21,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 22:51:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 8991 states and 11629 transitions. [2019-10-13 22:51:21,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-13 22:51:21,884 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:21,884 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2019-10-13 22:51:22,097 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:22,098 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:22,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:22,099 INFO L82 PathProgramCache]: Analyzing trace with hash -103702281, now seen corresponding path program 1 times [2019-10-13 22:51:22,099 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:22,100 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946314981] [2019-10-13 22:51:22,100 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:22,100 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:22,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-13 22:51:22,506 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946314981] [2019-10-13 22:51:22,507 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557376884] [2019-10-13 22:51:22,507 INFO L94 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