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 0.1.24-36ac518-m [2019-10-07 12:14:15,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:14:15,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:14:15,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:14:15,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:14:15,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:14:15,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:14:15,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:14:15,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:14:15,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:14:15,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:14:15,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:14:15,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:14:15,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:14:15,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:14:15,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:14:15,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:14:15,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:14:15,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:14:15,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:14:15,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:14:15,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:14:15,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:14:15,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:14:15,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 12:14:15,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 12:14:15,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 12:14:15,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 12:14:15,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 12:14:15,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 12:14:15,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:14:15,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:14:15,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:14:15,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:14:15,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:14:15,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:14:15,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:14:15,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:14:15,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:14:15,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:14:15,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:14:15,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 12:14:15,186 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:14:15,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:14:15,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:14:15,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:14:15,188 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:14:15,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:14:15,189 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:14:15,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:14:15,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:14:15,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:14:15,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:14:15,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:14:15,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:14:15,192 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:14:15,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:14:15,192 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:14:15,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:14:15,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:14:15,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:14:15,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:14:15,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:14:15,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:14:15,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:14:15,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:14:15,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:14:15,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:14:15,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:14:15,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:14:15,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 12:14:15,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:14:15,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:14:15,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:14:15,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:14:15,564 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:14:15,565 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2019-10-07 12:14:15,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11a92141d/fc259a3882b446789e393a42483aad8f/FLAG03bcdc1c2 [2019-10-07 12:14:16,494 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:14:16,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2019-10-07 12:14:16,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11a92141d/fc259a3882b446789e393a42483aad8f/FLAG03bcdc1c2 [2019-10-07 12:14:17,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11a92141d/fc259a3882b446789e393a42483aad8f [2019-10-07 12:14:17,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:14:17,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:14:17,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:14:17,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:14:17,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:14:17,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:14:17" (1/1) ... [2019-10-07 12:14:17,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0b1e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:14:17, skipping insertion in model container [2019-10-07 12:14:17,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:14:17" (1/1) ... [2019-10-07 12:14:17,033 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:14:17,198 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:14:19,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:14:19,858 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:14:20,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:14:20,678 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:14:20,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:14:20 WrapperNode [2019-10-07 12:14:20,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:14:20,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:14:20,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:14:20,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:14:20,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:14:20" (1/1) ... [2019-10-07 12:14:20,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:14:20" (1/1) ... [2019-10-07 12:14:20,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:14:20" (1/1) ... [2019-10-07 12:14:20,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:14:20" (1/1) ... [2019-10-07 12:14:20,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:14:20" (1/1) ... [2019-10-07 12:14:20,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:14:20" (1/1) ... [2019-10-07 12:14:21,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:14:20" (1/1) ... [2019-10-07 12:14:21,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:14:21,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:14:21,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:14:21,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:14:21,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:14:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:14:21,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:14:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:14:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-07 12:14:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-07 12:14:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-07 12:14:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-07 12:14:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 12:14:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 12:14:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 12:14:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-07 12:14:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2019-10-07 12:14:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 12:14:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 12:14:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 12:14:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 12:14:21,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 12:14:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 12:14:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 12:14:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 12:14:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 12:14:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 12:14:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-07 12:14:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-07 12:14:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-07 12:14:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-07 12:14:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-10-07 12:14:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2019-10-07 12:14:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-07 12:14:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-10-07 12:14:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2019-10-07 12:14:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-07 12:14:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-07 12:14:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 12:14:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-07 12:14:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 12:14:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 12:14:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 12:14:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-07 12:14:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-07 12:14:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-07 12:14:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-07 12:14:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-07 12:14:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2019-10-07 12:14:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2019-10-07 12:14:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-07 12:14:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-07 12:14:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-07 12:14:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-07 12:14:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2019-10-07 12:14:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2019-10-07 12:14:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-07 12:14:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-07 12:14:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-07 12:14:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-07 12:14:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-07 12:14:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-10-07 12:14:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-10-07 12:14:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-10-07 12:14:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-10-07 12:14:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 12:14:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 12:14:21,336 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 12:14:21,336 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-07 12:14:21,336 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-07 12:14:21,336 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 12:14:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-07 12:14:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-07 12:14:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-07 12:14:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2019-10-07 12:14:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_init_one [2019-10-07 12:14:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2019-10-07 12:14:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2019-10-07 12:14:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2019-10-07 12:14:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_open [2019-10-07 12:14:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx [2019-10-07 12:14:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_timer [2019-10-07 12:14:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx_timeout [2019-10-07 12:14:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_init_ring [2019-10-07 12:14:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_start_xmit [2019-10-07 12:14:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_interrupt [2019-10-07 12:14:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_rx [2019-10-07 12:14:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_error [2019-10-07 12:14:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_close [2019-10-07 12:14:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_stats [2019-10-07 12:14:21,344 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2019-10-07 12:14:21,344 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2019-10-07 12:14:21,344 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_drvinfo [2019-10-07 12:14:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_settings [2019-10-07 12:14:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_set_settings [2019-10-07 12:14:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_nway_reset [2019-10-07 12:14:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_link [2019-10-07 12:14:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2019-10-07 12:14:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_remove_one [2019-10-07 12:14:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_init [2019-10-07 12:14:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_exit [2019-10-07 12:14:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_6 [2019-10-07 12:14:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-07 12:14:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-07 12:14:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-07 12:14:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-07 12:14:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-07 12:14:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-07 12:14:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-07 12:14:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-07 12:14:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-10-07 12:14:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_4 [2019-10-07 12:14:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_5 [2019-10-07 12:14:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-07 12:14:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:14:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 12:14:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 12:14:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 12:14:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 12:14:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-07 12:14:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-07 12:14:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-07 12:14:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-07 12:14:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-07 12:14:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-07 12:14:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-07 12:14:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-07 12:14:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-07 12:14:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-07 12:14:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2019-10-07 12:14:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2019-10-07 12:14:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_39 [2019-10-07 12:14:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_40 [2019-10-07 12:14:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_41 [2019-10-07 12:14:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2019-10-07 12:14:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2019-10-07 12:14:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_44 [2019-10-07 12:14:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_45 [2019-10-07 12:14:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 12:14:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 12:14:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 12:14:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 12:14:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 12:14:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 12:14:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:14:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-07 12:14:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-07 12:14:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-07 12:14:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-07 12:14:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 12:14:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-07 12:14:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-07 12:14:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-07 12:14:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 12:14:21,380 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 12:14:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 12:14:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 12:14:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 12:14:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-07 12:14:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-07 12:14:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-07 12:14:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-07 12:14:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-07 12:14:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2019-10-07 12:14:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2019-10-07 12:14:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-07 12:14:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-07 12:14:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-07 12:14:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-07 12:14:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-07 12:14:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-07 12:14:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-07 12:14:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-07 12:14:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-07 12:14:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 12:14:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2019-10-07 12:14:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-07 12:14:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-07 12:14:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 12:14:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 12:14:21,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_6 [2019-10-07 12:14:21,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_6 [2019-10-07 12:14:21,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-10-07 12:14:21,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-07 12:14:21,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-10-07 12:14:21,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-10-07 12:14:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2019-10-07 12:14:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-10-07 12:14:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-07 12:14:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 12:14:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-07 12:14:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-07 12:14:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-07 12:14:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-07 12:14:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-07 12:14:21,390 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 12:14:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-07 12:14:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-07 12:14:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 12:14:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-07 12:14:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-07 12:14:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 12:14:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 12:14:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 12:14:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 12:14:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 12:14:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:14:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 12:14:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 12:14:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 12:14:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 12:14:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:14:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-07 12:14:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2019-10-07 12:14:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 12:14:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-07 12:14:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-07 12:14:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 12:14:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 12:14:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 12:14:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 12:14:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 12:14:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 12:14:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 12:14:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 12:14:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 12:14:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 12:14:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 12:14:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 12:14:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 12:14:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 12:14:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 12:14:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 12:14:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 12:14:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 12:14:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-07 12:14:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 12:14:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-07 12:14:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 12:14:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 12:14:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 12:14:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 12:14:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 12:14:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 12:14:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-07 12:14:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 12:14:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-07 12:14:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 12:14:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-07 12:14:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 12:14:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-07 12:14:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 12:14:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-07 12:14:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-07 12:14:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_41 [2019-10-07 12:14:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-10-07 12:14:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2019-10-07 12:14:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-07 12:14:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-10-07 12:14:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2019-10-07 12:14:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-07 12:14:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-07 12:14:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-07 12:14:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-07 12:14:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 12:14:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:14:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-07 12:14:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-07 12:14:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 12:14:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_6 [2019-10-07 12:14:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-07 12:14:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-07 12:14:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-07 12:14:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-07 12:14:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-07 12:14:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-07 12:14:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-07 12:14:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-07 12:14:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-10-07 12:14:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_4 [2019-10-07 12:14:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_5 [2019-10-07 12:14:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-07 12:14:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-07 12:14:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-07 12:14:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_39 [2019-10-07 12:14:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-07 12:14:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_40 [2019-10-07 12:14:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 12:14:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 12:14:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 12:14:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:14:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-07 12:14:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-07 12:14:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-07 12:14:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-07 12:14:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-07 12:14:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_44 [2019-10-07 12:14:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-07 12:14:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_45 [2019-10-07 12:14:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-07 12:14:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-07 12:14:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-07 12:14:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-07 12:14:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2019-10-07 12:14:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2019-10-07 12:14:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-07 12:14:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-07 12:14:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-07 12:14:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-07 12:14:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-07 12:14:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2019-10-07 12:14:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-07 12:14:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2019-10-07 12:14:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-07 12:14:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-07 12:14:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-07 12:14:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-07 12:14:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-07 12:14:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-07 12:14:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2019-10-07 12:14:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2019-10-07 12:14:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-07 12:14:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-07 12:14:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-07 12:14:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-07 12:14:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-07 12:14:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-07 12:14:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-07 12:14:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-07 12:14:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-07 12:14:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-07 12:14:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 12:14:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-07 12:14:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:14:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-07 12:14:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-07 12:14:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-07 12:14:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-07 12:14:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-10-07 12:14:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-10-07 12:14:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-10-07 12:14:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 12:14:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2019-10-07 12:14:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-10-07 12:14:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-10-07 12:14:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-10-07 12:14:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2019-10-07 12:14:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-10-07 12:14:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 12:14:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 12:14:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 12:14:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 12:14:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2019-10-07 12:14:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2019-10-07 12:14:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 12:14:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-07 12:14:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 12:14:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-07 12:14:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 12:14:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-07 12:14:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-07 12:14:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-07 12:14:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-07 12:14:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-07 12:14:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-07 12:14:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2019-10-07 12:14:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-07 12:14:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2019-10-07 12:14:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2019-10-07 12:14:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-07 12:14:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-07 12:14:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-07 12:14:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 12:14:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-07 12:14:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_timer [2019-10-07 12:14:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:14:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2019-10-07 12:14:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2019-10-07 12:14:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2019-10-07 12:14:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_open [2019-10-07 12:14:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2019-10-07 12:14:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx_timeout [2019-10-07 12:14:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_init_ring [2019-10-07 12:14:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_start_xmit [2019-10-07 12:14:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_interrupt [2019-10-07 12:14:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_rx [2019-10-07 12:14:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx [2019-10-07 12:14:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_error [2019-10-07 12:14:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_close [2019-10-07 12:14:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_stats [2019-10-07 12:14:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2019-10-07 12:14:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_init_one [2019-10-07 12:14:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:14:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2019-10-07 12:14:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_drvinfo [2019-10-07 12:14:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_settings [2019-10-07 12:14:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_set_settings [2019-10-07 12:14:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_nway_reset [2019-10-07 12:14:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_link [2019-10-07 12:14:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_remove_one [2019-10-07 12:14:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_init [2019-10-07 12:14:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_exit [2019-10-07 12:14:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_6 [2019-10-07 12:14:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-10-07 12:14:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_6 [2019-10-07 12:14:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 12:14:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 12:14:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-07 12:14:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:14:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 12:14:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 12:14:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 12:14:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 12:14:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 12:14:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-07 12:14:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:14:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-07 12:14:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-07 12:14:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 12:14:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 12:14:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 12:14:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 12:14:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 12:14:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:14:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 12:14:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 12:14:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:14:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 12:14:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 12:14:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 12:14:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 12:14:23,570 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 12:14:38,105 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:14:38,105 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 12:14:38,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:14:38 BoogieIcfgContainer [2019-10-07 12:14:38,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:14:38,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:14:38,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:14:38,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:14:38,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:14:17" (1/3) ... [2019-10-07 12:14:38,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d7fcd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:14:38, skipping insertion in model container [2019-10-07 12:14:38,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:14:20" (2/3) ... [2019-10-07 12:14:38,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d7fcd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:14:38, skipping insertion in model container [2019-10-07 12:14:38,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:14:38" (3/3) ... [2019-10-07 12:14:38,115 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2019-10-07 12:14:38,123 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:14:38,131 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:14:38,141 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:14:38,175 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:14:38,176 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:14:38,176 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:14:38,176 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:14:38,176 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:14:38,176 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:14:38,176 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:14:38,176 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:14:38,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states. [2019-10-07 12:14:38,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 12:14:38,252 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:14:38,254 INFO L385 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] [2019-10-07 12:14:38,256 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:14:38,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:14:38,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1335403405, now seen corresponding path program 1 times [2019-10-07 12:14:38,269 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:14:38,270 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:38,270 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:38,270 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:38,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:14:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:39,020 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2019-10-07 12:14:39,021 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:39,021 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:14:39,022 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:14:39,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:14:39,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:14:39,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:14:39,043 INFO L87 Difference]: Start difference. First operand 1376 states. Second operand 3 states. [2019-10-07 12:14:39,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:14:39,544 INFO L93 Difference]: Finished difference Result 3427 states and 4496 transitions. [2019-10-07 12:14:39,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:14:39,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2019-10-07 12:14:39,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:14:39,582 INFO L225 Difference]: With dead ends: 3427 [2019-10-07 12:14:39,583 INFO L226 Difference]: Without dead ends: 2070 [2019-10-07 12:14:39,594 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:14:39,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2019-10-07 12:14:39,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2045. [2019-10-07 12:14:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2045 states. [2019-10-07 12:14:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 2045 states and 2639 transitions. [2019-10-07 12:14:39,807 INFO L78 Accepts]: Start accepts. Automaton has 2045 states and 2639 transitions. Word has length 125 [2019-10-07 12:14:39,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:14:39,809 INFO L462 AbstractCegarLoop]: Abstraction has 2045 states and 2639 transitions. [2019-10-07 12:14:39,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:14:39,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2639 transitions. [2019-10-07 12:14:39,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 12:14:39,824 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:14:39,824 INFO L385 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] [2019-10-07 12:14:39,825 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:14:39,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:14:39,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1724615934, now seen corresponding path program 1 times [2019-10-07 12:14:39,825 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:14:39,825 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:39,826 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:39,826 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:39,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:14:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:41,109 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:41,110 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:41,110 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:14:41,110 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:14:41,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:14:41,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:14:41,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:14:41,113 INFO L87 Difference]: Start difference. First operand 2045 states and 2639 transitions. Second operand 5 states. [2019-10-07 12:14:41,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:14:41,356 INFO L93 Difference]: Finished difference Result 6094 states and 7879 transitions. [2019-10-07 12:14:41,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:14:41,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2019-10-07 12:14:41,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:14:41,386 INFO L225 Difference]: With dead ends: 6094 [2019-10-07 12:14:41,386 INFO L226 Difference]: Without dead ends: 4080 [2019-10-07 12:14:41,395 INFO L606 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 [2019-10-07 12:14:41,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4080 states. [2019-10-07 12:14:41,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4080 to 4055. [2019-10-07 12:14:41,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4055 states. [2019-10-07 12:14:41,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4055 states to 4055 states and 5238 transitions. [2019-10-07 12:14:41,575 INFO L78 Accepts]: Start accepts. Automaton has 4055 states and 5238 transitions. Word has length 133 [2019-10-07 12:14:41,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:14:41,575 INFO L462 AbstractCegarLoop]: Abstraction has 4055 states and 5238 transitions. [2019-10-07 12:14:41,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:14:41,576 INFO L276 IsEmpty]: Start isEmpty. Operand 4055 states and 5238 transitions. [2019-10-07 12:14:41,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-07 12:14:41,580 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:14:41,580 INFO L385 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] [2019-10-07 12:14:41,581 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:14:41,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:14:41,581 INFO L82 PathProgramCache]: Analyzing trace with hash -910187704, now seen corresponding path program 1 times [2019-10-07 12:14:41,582 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:14:41,582 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:41,582 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:41,582 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:41,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:14:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:41,879 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:41,880 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:14:41,880 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:14:41,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:14:41,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:14:41,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:14:41,881 INFO L87 Difference]: Start difference. First operand 4055 states and 5238 transitions. Second operand 5 states. [2019-10-07 12:14:42,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:14:42,233 INFO L93 Difference]: Finished difference Result 8824 states and 11352 transitions. [2019-10-07 12:14:42,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:14:42,234 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2019-10-07 12:14:42,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:14:42,283 INFO L225 Difference]: With dead ends: 8824 [2019-10-07 12:14:42,283 INFO L226 Difference]: Without dead ends: 6106 [2019-10-07 12:14:42,298 INFO L606 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 [2019-10-07 12:14:42,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6106 states. [2019-10-07 12:14:42,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6106 to 6071. [2019-10-07 12:14:42,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6071 states. [2019-10-07 12:14:42,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6071 states to 6071 states and 7839 transitions. [2019-10-07 12:14:42,707 INFO L78 Accepts]: Start accepts. Automaton has 6071 states and 7839 transitions. Word has length 134 [2019-10-07 12:14:42,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:14:42,710 INFO L462 AbstractCegarLoop]: Abstraction has 6071 states and 7839 transitions. [2019-10-07 12:14:42,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:14:42,710 INFO L276 IsEmpty]: Start isEmpty. Operand 6071 states and 7839 transitions. [2019-10-07 12:14:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 12:14:42,716 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:14:42,717 INFO L385 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] [2019-10-07 12:14:42,717 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:14:42,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:14:42,717 INFO L82 PathProgramCache]: Analyzing trace with hash 832542107, now seen corresponding path program 1 times [2019-10-07 12:14:42,718 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:14:42,718 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:42,718 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:42,718 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:42,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:14:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:42,973 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:42,973 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:42,973 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:14:42,974 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:14:42,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:14:42,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:14:42,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:14:42,975 INFO L87 Difference]: Start difference. First operand 6071 states and 7839 transitions. Second operand 5 states. [2019-10-07 12:14:43,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:14:43,281 INFO L93 Difference]: Finished difference Result 10850 states and 13957 transitions. [2019-10-07 12:14:43,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:14:43,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2019-10-07 12:14:43,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:14:43,326 INFO L225 Difference]: With dead ends: 10850 [2019-10-07 12:14:43,327 INFO L226 Difference]: Without dead ends: 6114 [2019-10-07 12:14:43,347 INFO L606 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 [2019-10-07 12:14:43,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6114 states. [2019-10-07 12:14:43,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6114 to 6079. [2019-10-07 12:14:43,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6079 states. [2019-10-07 12:14:43,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6079 states to 6079 states and 7843 transitions. [2019-10-07 12:14:43,636 INFO L78 Accepts]: Start accepts. Automaton has 6079 states and 7843 transitions. Word has length 135 [2019-10-07 12:14:43,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:14:43,637 INFO L462 AbstractCegarLoop]: Abstraction has 6079 states and 7843 transitions. [2019-10-07 12:14:43,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:14:43,637 INFO L276 IsEmpty]: Start isEmpty. Operand 6079 states and 7843 transitions. [2019-10-07 12:14:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-07 12:14:43,642 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:14:43,642 INFO L385 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] [2019-10-07 12:14:43,643 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:14:43,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:14:43,643 INFO L82 PathProgramCache]: Analyzing trace with hash 839855365, now seen corresponding path program 1 times [2019-10-07 12:14:43,643 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:14:43,643 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:43,644 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:43,644 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:43,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:14:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:43,984 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:43,984 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:43,985 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:14:43,985 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:14:43,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:14:43,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:14:43,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:14:43,986 INFO L87 Difference]: Start difference. First operand 6079 states and 7843 transitions. Second operand 5 states. [2019-10-07 12:14:44,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:14:44,283 INFO L93 Difference]: Finished difference Result 10291 states and 13233 transitions. [2019-10-07 12:14:44,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:14:44,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2019-10-07 12:14:44,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:14:44,320 INFO L225 Difference]: With dead ends: 10291 [2019-10-07 12:14:44,321 INFO L226 Difference]: Without dead ends: 5545 [2019-10-07 12:14:44,339 INFO L606 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 [2019-10-07 12:14:44,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5545 states. [2019-10-07 12:14:44,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5545 to 5516. [2019-10-07 12:14:44,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5516 states. [2019-10-07 12:14:44,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5516 states to 5516 states and 7119 transitions. [2019-10-07 12:14:44,605 INFO L78 Accepts]: Start accepts. Automaton has 5516 states and 7119 transitions. Word has length 136 [2019-10-07 12:14:44,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:14:44,605 INFO L462 AbstractCegarLoop]: Abstraction has 5516 states and 7119 transitions. [2019-10-07 12:14:44,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:14:44,606 INFO L276 IsEmpty]: Start isEmpty. Operand 5516 states and 7119 transitions. [2019-10-07 12:14:44,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-07 12:14:44,611 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:14:44,611 INFO L385 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] [2019-10-07 12:14:44,611 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:14:44,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:14:44,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1171751974, now seen corresponding path program 1 times [2019-10-07 12:14:44,612 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:14:44,612 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:44,612 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:44,612 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:44,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:14:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-10-07 12:14:44,963 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:44,963 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:14:44,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:14:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:46,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 3583 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:14:46,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:14:46,376 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:46,376 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:14:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:46,750 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:14:46,750 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [9] total 14 [2019-10-07 12:14:46,751 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 12:14:46,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 12:14:46,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-10-07 12:14:46,752 INFO L87 Difference]: Start difference. First operand 5516 states and 7119 transitions. Second operand 7 states. [2019-10-07 12:14:47,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:14:47,344 INFO L93 Difference]: Finished difference Result 13106 states and 16929 transitions. [2019-10-07 12:14:47,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 12:14:47,345 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 150 [2019-10-07 12:14:47,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:14:47,394 INFO L225 Difference]: With dead ends: 13106 [2019-10-07 12:14:47,394 INFO L226 Difference]: Without dead ends: 9054 [2019-10-07 12:14:47,412 INFO L606 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 [2019-10-07 12:14:47,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9054 states. [2019-10-07 12:14:47,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9054 to 8991. [2019-10-07 12:14:47,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8991 states. [2019-10-07 12:14:47,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8991 states to 8991 states and 11629 transitions. [2019-10-07 12:14:47,909 INFO L78 Accepts]: Start accepts. Automaton has 8991 states and 11629 transitions. Word has length 150 [2019-10-07 12:14:47,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:14:47,910 INFO L462 AbstractCegarLoop]: Abstraction has 8991 states and 11629 transitions. [2019-10-07 12:14:47,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 12:14:47,910 INFO L276 IsEmpty]: Start isEmpty. Operand 8991 states and 11629 transitions. [2019-10-07 12:14:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-07 12:14:47,917 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:14:47,918 INFO L385 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] [2019-10-07 12:14:48,130 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:14:48,131 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:14:48,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:14:48,132 INFO L82 PathProgramCache]: Analyzing trace with hash -103702281, now seen corresponding path program 1 times [2019-10-07 12:14:48,132 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:14:48,132 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:48,133 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:48,133 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:48,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:14:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:48,630 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:48,630 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:14:48,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:14:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:49,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 3585 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:14:49,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:14:49,707 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:49,708 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:14:50,051 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:50,052 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:14:50,052 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-07 12:14:50,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 12:14:50,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 12:14:50,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-07 12:14:50,053 INFO L87 Difference]: Start difference. First operand 8991 states and 11629 transitions. Second operand 7 states. [2019-10-07 12:14:50,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:14:50,694 INFO L93 Difference]: Finished difference Result 20078 states and 25975 transitions. [2019-10-07 12:14:50,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 12:14:50,695 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 151 [2019-10-07 12:14:50,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:14:50,770 INFO L225 Difference]: With dead ends: 20078 [2019-10-07 12:14:50,771 INFO L226 Difference]: Without dead ends: 12551 [2019-10-07 12:14:50,805 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 294 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-07 12:14:50,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12551 states. [2019-10-07 12:14:51,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12551 to 12476. [2019-10-07 12:14:51,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12476 states. [2019-10-07 12:14:52,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12476 states to 12476 states and 16159 transitions. [2019-10-07 12:14:52,024 INFO L78 Accepts]: Start accepts. Automaton has 12476 states and 16159 transitions. Word has length 151 [2019-10-07 12:14:52,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:14:52,025 INFO L462 AbstractCegarLoop]: Abstraction has 12476 states and 16159 transitions. [2019-10-07 12:14:52,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 12:14:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 12476 states and 16159 transitions. [2019-10-07 12:14:52,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-07 12:14:52,034 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:14:52,034 INFO L385 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, 1] [2019-10-07 12:14:52,246 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:14:52,246 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:14:52,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:14:52,247 INFO L82 PathProgramCache]: Analyzing trace with hash 62149855, now seen corresponding path program 1 times [2019-10-07 12:14:52,247 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:14:52,247 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:52,247 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:52,247 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:52,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:14:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:52,661 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:52,661 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:52,662 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:14:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:14:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:53,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 3587 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:14:53,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:14:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:53,745 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:14:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:54,193 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:14:54,193 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-07 12:14:54,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 12:14:54,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 12:14:54,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-07 12:14:54,195 INFO L87 Difference]: Start difference. First operand 12476 states and 16159 transitions. Second operand 7 states. [2019-10-07 12:14:54,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:14:54,863 INFO L93 Difference]: Finished difference Result 27044 states and 35033 transitions. [2019-10-07 12:14:54,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 12:14:54,863 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 152 [2019-10-07 12:14:54,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:14:54,932 INFO L225 Difference]: With dead ends: 27044 [2019-10-07 12:14:54,933 INFO L226 Difference]: Without dead ends: 16032 [2019-10-07 12:14:54,979 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 296 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-07 12:14:55,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16032 states. [2019-10-07 12:14:55,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16032 to 12478. [2019-10-07 12:14:55,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12478 states. [2019-10-07 12:14:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12478 states to 12478 states and 16161 transitions. [2019-10-07 12:14:55,503 INFO L78 Accepts]: Start accepts. Automaton has 12478 states and 16161 transitions. Word has length 152 [2019-10-07 12:14:55,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:14:55,504 INFO L462 AbstractCegarLoop]: Abstraction has 12478 states and 16161 transitions. [2019-10-07 12:14:55,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 12:14:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 12478 states and 16161 transitions. [2019-10-07 12:14:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-07 12:14:55,514 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:14:55,514 INFO L385 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, 1, 1] [2019-10-07 12:14:55,724 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:14:55,725 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:14:55,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:14:55,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1958827152, now seen corresponding path program 1 times [2019-10-07 12:14:55,726 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:14:55,726 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:55,726 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:55,726 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:55,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:14:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:56,111 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:56,112 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:56,112 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:14:56,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:14:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:57,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 3589 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:14:57,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:14:57,482 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:57,482 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:14:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-07 12:14:57,898 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:14:57,899 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-07 12:14:57,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 12:14:57,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 12:14:57,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-07 12:14:57,902 INFO L87 Difference]: Start difference. First operand 12478 states and 16161 transitions. Second operand 7 states. [2019-10-07 12:14:58,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:14:58,563 INFO L93 Difference]: Finished difference Result 27050 states and 35035 transitions. [2019-10-07 12:14:58,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 12:14:58,564 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 153 [2019-10-07 12:14:58,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:14:58,627 INFO L225 Difference]: With dead ends: 27050 [2019-10-07 12:14:58,627 INFO L226 Difference]: Without dead ends: 16036 [2019-10-07 12:14:58,659 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 298 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-07 12:14:58,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16036 states. [2019-10-07 12:14:59,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16036 to 12480. [2019-10-07 12:14:59,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12480 states. [2019-10-07 12:14:59,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12480 states to 12480 states and 16159 transitions. [2019-10-07 12:14:59,163 INFO L78 Accepts]: Start accepts. Automaton has 12480 states and 16159 transitions. Word has length 153 [2019-10-07 12:14:59,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:14:59,164 INFO L462 AbstractCegarLoop]: Abstraction has 12480 states and 16159 transitions. [2019-10-07 12:14:59,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 12:14:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 12480 states and 16159 transitions. [2019-10-07 12:14:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-07 12:14:59,172 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:14:59,172 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:14:59,383 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:14:59,384 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:14:59,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:14:59,385 INFO L82 PathProgramCache]: Analyzing trace with hash 138886941, now seen corresponding path program 1 times [2019-10-07 12:14:59,385 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:14:59,385 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:59,386 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:59,386 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:14:59,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:14:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:14:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-10-07 12:14:59,716 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:14:59,716 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:14:59,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:15:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:15:00,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 3676 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-07 12:15:00,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:15:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 20 proven. 11 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2019-10-07 12:15:01,083 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:15:01,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:15:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2019-10-07 12:15:01,691 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 12:15:01,722 INFO L162 IcfgInterpreter]: Started Sifa with 104 locations of interest [2019-10-07 12:15:01,723 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 12:15:01,730 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 12:15:01,737 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 12:15:01,738 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 12:15:05,400 WARN L191 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 2770 [2019-10-07 12:15:07,197 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 2770 [2019-10-07 12:26:46,269 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 2821 [2019-10-07 12:26:48,194 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 2821 [2019-10-07 12:26:50,130 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 2821 [2019-10-07 12:26:52,016 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 2821 [2019-10-07 12:26:53,977 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 2821 [2019-10-07 12:26:55,862 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 2821 [2019-10-07 12:27:11,688 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 266 DAG size of output: 217 [2019-10-07 12:27:13,538 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 2829 [2019-10-07 12:27:15,089 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 2829 [2019-10-07 12:27:16,719 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 2829 [2019-10-07 12:27:19,114 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 3049 [2019-10-07 12:27:21,504 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 3049 [2019-10-07 12:27:23,808 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 3049 [2019-10-07 12:27:26,225 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 3049 [2019-10-07 12:27:30,549 WARN L191 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 3051 DAG size of output: 3049 [2019-10-07 12:27:32,883 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 3049 [2019-10-07 12:27:35,312 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 3049 [2019-10-07 12:27:37,656 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 3049 [2019-10-07 12:27:39,963 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 3049 [2019-10-07 12:27:42,337 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 3049 [2019-10-07 12:27:42,391 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 517 for LOIs [2019-10-07 12:27:44,379 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 2777 [2019-10-07 12:27:45,678 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 2777 [2019-10-07 12:27:47,726 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 2997 [2019-10-07 12:27:47,730 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 3140 for LOIs [2019-10-07 12:27:50,069 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 3140 [2019-10-07 12:27:52,406 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 3140 [2019-10-07 12:27:52,643 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-10-07 12:27:55,610 WARN L191 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 3290 [2019-10-07 12:27:58,319 WARN L191 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 3160 [2019-10-07 12:28:00,672 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 3160 [2019-10-07 12:28:00,825 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-10-07 12:28:03,793 WARN L191 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 3314