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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -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 0.1.24-13a467a-m [2019-10-15 00:58:53,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:58:53,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:58:53,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:58:53,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:58:53,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:58:53,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:58:53,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:58:53,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:58:53,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:58:53,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:58:53,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:58:53,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:58:53,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:58:53,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:58:53,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:58:53,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:58:53,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:58:53,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:58:53,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:58:53,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:58:53,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:58:53,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:58:53,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:58:53,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:58:53,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:58:53,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:58:53,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:58:53,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:58:53,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:58:53,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:58:53,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:58:53,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:58:53,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:58:53,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:58:53,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:58:53,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:58:53,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:58:53,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:58:53,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:58:53,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:58:53,695 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 [2019-10-15 00:58:53,715 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:58:53,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:58:53,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:58:53,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:58:53,717 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:58:53,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:58:53,717 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:58:53,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:58:53,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:58:53,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:58:53,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:58:53,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:58:53,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:58:53,719 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:58:53,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:58:53,719 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:58:53,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:58:53,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:58:53,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:58:53,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:58:53,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:58:53,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:58:53,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:58:53,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:58:53,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:58:53,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:58:53,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:58:53,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:58:53,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:58:54,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:58:54,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:58:54,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:58:54,087 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:58:54,087 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:58:54,088 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2019-10-15 00:58:54,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e88105b62/760a3d2ac5284fb5aeb9b0e24dabca8e/FLAG0ccbf74f0 [2019-10-15 00:58:55,011 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:58:55,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2019-10-15 00:58:55,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e88105b62/760a3d2ac5284fb5aeb9b0e24dabca8e/FLAG0ccbf74f0 [2019-10-15 00:58:55,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e88105b62/760a3d2ac5284fb5aeb9b0e24dabca8e [2019-10-15 00:58:55,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:58:55,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:58:55,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:58:55,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:58:55,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:58:55,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:58:55" (1/1) ... [2019-10-15 00:58:55,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6224e417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:58:55, skipping insertion in model container [2019-10-15 00:58:55,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:58:55" (1/1) ... [2019-10-15 00:58:55,503 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:58:55,662 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:58:57,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:58:57,921 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:58:58,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:58:58,709 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:58:58,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:58:58 WrapperNode [2019-10-15 00:58:58,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:58:58,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:58:58,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:58:58,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:58:58,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:58:58" (1/1) ... [2019-10-15 00:58:58,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:58:58" (1/1) ... [2019-10-15 00:58:58,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:58:58" (1/1) ... [2019-10-15 00:58:58,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:58:58" (1/1) ... [2019-10-15 00:58:58,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:58:58" (1/1) ... [2019-10-15 00:58:58,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:58:58" (1/1) ... [2019-10-15 00:58:58,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:58:58" (1/1) ... [2019-10-15 00:58:59,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:58:59,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:58:59,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:58:59,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:58:59,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:58:58" (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 [2019-10-15 00:58:59,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:58:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:58:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-15 00:58:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-15 00:58:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-15 00:58:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-15 00:58:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 00:58:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 00:58:59,159 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 00:58:59,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-15 00:58:59,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2019-10-15 00:58:59,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:58:59,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:58:59,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 00:58:59,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 00:58:59,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:58:59,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:58:59,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:58:59,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:58:59,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:58:59,167 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 00:58:59,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-15 00:58:59,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-15 00:58:59,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-15 00:58:59,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-15 00:58:59,168 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-10-15 00:58:59,168 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2019-10-15 00:58:59,168 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-15 00:58:59,168 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-10-15 00:58:59,168 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2019-10-15 00:58:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-15 00:58:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-15 00:58:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 00:58:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-15 00:58:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 00:58:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:58:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 00:58:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-15 00:58:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-15 00:58:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-15 00:58:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-15 00:58:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-15 00:58:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2019-10-15 00:58:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2019-10-15 00:58:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-15 00:58:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-15 00:58:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-15 00:58:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-15 00:58:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2019-10-15 00:58:59,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2019-10-15 00:58:59,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-15 00:58:59,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-15 00:58:59,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-15 00:58:59,172 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-15 00:58:59,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-15 00:58:59,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-10-15 00:58:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-10-15 00:58:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-10-15 00:58:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-10-15 00:58:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-15 00:58:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-15 00:58:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-15 00:58:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-15 00:58:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-15 00:58:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-15 00:58:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-15 00:58:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-15 00:58:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-15 00:58:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2019-10-15 00:58:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_init_one [2019-10-15 00:58:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2019-10-15 00:58:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2019-10-15 00:58:59,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2019-10-15 00:58:59,176 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_open [2019-10-15 00:58:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx [2019-10-15 00:58:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_timer [2019-10-15 00:58:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx_timeout [2019-10-15 00:58:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_init_ring [2019-10-15 00:58:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_start_xmit [2019-10-15 00:58:59,178 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_interrupt [2019-10-15 00:58:59,178 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_rx [2019-10-15 00:58:59,178 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_error [2019-10-15 00:58:59,178 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_close [2019-10-15 00:58:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_stats [2019-10-15 00:58:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2019-10-15 00:58:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2019-10-15 00:58:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_drvinfo [2019-10-15 00:58:59,180 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_settings [2019-10-15 00:58:59,180 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_set_settings [2019-10-15 00:58:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_nway_reset [2019-10-15 00:58:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_link [2019-10-15 00:58:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2019-10-15 00:58:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_remove_one [2019-10-15 00:58:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_init [2019-10-15 00:58:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_exit [2019-10-15 00:58:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_6 [2019-10-15 00:58:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-15 00:58:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-15 00:58:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-15 00:58:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-15 00:58:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-15 00:58:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-15 00:58:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-15 00:58:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-15 00:58:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-10-15 00:58:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_4 [2019-10-15 00:58:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_5 [2019-10-15 00:58:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-15 00:58:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:58:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 00:58:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-15 00:58:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 00:58:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-15 00:58:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-15 00:58:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-15 00:58:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-15 00:58:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-15 00:58:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-15 00:58:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-15 00:58:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-15 00:58:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-15 00:58:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-15 00:58:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-15 00:58:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2019-10-15 00:58:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2019-10-15 00:58:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_39 [2019-10-15 00:58:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_40 [2019-10-15 00:58:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_41 [2019-10-15 00:58:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2019-10-15 00:58:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2019-10-15 00:58:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_44 [2019-10-15 00:58:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_45 [2019-10-15 00:58:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:58:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:58:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:58:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:58:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:58:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-15 00:58:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 00:58:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-15 00:58:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-15 00:58:59,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-15 00:58:59,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-15 00:58:59,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-15 00:58:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-15 00:58:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-15 00:58:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-15 00:58:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 00:58:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 00:58:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-15 00:58:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 00:58:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-15 00:58:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-15 00:58:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-15 00:58:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-15 00:58:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-15 00:58:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-15 00:58:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2019-10-15 00:58:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2019-10-15 00:58:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-15 00:58:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-15 00:58:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-15 00:58:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-15 00:58:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-15 00:58:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-15 00:58:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-15 00:58:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-15 00:58:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-15 00:58:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-15 00:58:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2019-10-15 00:58:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-15 00:58:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-15 00:58:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:58:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:58:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_6 [2019-10-15 00:58:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_6 [2019-10-15 00:58:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-10-15 00:58:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-15 00:58:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-10-15 00:58:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-10-15 00:58:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2019-10-15 00:58:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-10-15 00:58:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-15 00:58:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-15 00:58:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-15 00:58:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-15 00:58:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-15 00:58:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-15 00:58:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-15 00:58:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:58:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-15 00:58:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-15 00:58:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 00:58:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-15 00:58:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-15 00:58:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:58:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:58:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:58:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:58:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 00:58:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:58:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:58:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 00:58:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 00:58:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 00:58:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:58:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-15 00:58:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2019-10-15 00:58:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:58:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-15 00:58:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-15 00:58:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:58:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:58:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:58:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:58:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:58:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:58:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:58:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:58:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:58:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:58:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:58:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 00:58:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 00:58:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:58:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:58:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:58:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:58:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:58:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-15 00:58:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 00:58:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-15 00:58:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 00:58:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 00:58:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-15 00:58:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 00:58:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-15 00:58:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 00:58:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-15 00:58:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 00:58:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-15 00:58:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-15 00:58:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-15 00:58:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 00:58:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-15 00:58:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-15 00:58:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-15 00:58:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-15 00:58:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_41 [2019-10-15 00:58:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-10-15 00:58:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2019-10-15 00:58:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-15 00:58:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-10-15 00:58:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2019-10-15 00:58:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-15 00:58:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-15 00:58:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-15 00:58:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-15 00:58:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 00:58:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:58:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-15 00:58:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-15 00:58:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-15 00:58:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_6 [2019-10-15 00:58:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-15 00:58:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-15 00:58:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-15 00:58:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-15 00:58:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-15 00:58:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-15 00:58:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-15 00:58:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-15 00:58:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-10-15 00:58:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_4 [2019-10-15 00:58:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_5 [2019-10-15 00:58:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-15 00:58:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-15 00:58:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-15 00:58:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_39 [2019-10-15 00:58:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-15 00:58:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_40 [2019-10-15 00:58:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 00:58:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:58:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 00:58:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:58:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-15 00:58:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-15 00:58:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-15 00:58:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-15 00:58:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-15 00:58:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_44 [2019-10-15 00:58:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-15 00:58:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_45 [2019-10-15 00:58:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-15 00:58:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-15 00:58:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-15 00:58:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-15 00:58:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2019-10-15 00:58:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2019-10-15 00:58:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-15 00:58:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-15 00:58:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-15 00:58:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-15 00:58:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-15 00:58:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2019-10-15 00:58:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-15 00:58:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2019-10-15 00:58:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-15 00:58:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-15 00:58:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-15 00:58:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-15 00:58:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-15 00:58:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-15 00:58:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2019-10-15 00:58:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2019-10-15 00:58:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-15 00:58:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-15 00:58:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-15 00:58:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-15 00:58:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-15 00:58:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-15 00:58:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-15 00:58:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-15 00:58:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-15 00:58:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-15 00:58:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 00:58:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-15 00:58:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:58:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-15 00:58:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-15 00:58:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-15 00:58:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-15 00:58:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-10-15 00:58:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-10-15 00:58:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-10-15 00:58:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 00:58:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2019-10-15 00:58:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-10-15 00:58:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-10-15 00:58:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-10-15 00:58:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2019-10-15 00:58:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-10-15 00:58:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-15 00:58:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-15 00:58:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-15 00:58:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-15 00:58:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2019-10-15 00:58:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2019-10-15 00:58:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-15 00:58:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-15 00:58:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-15 00:58:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-15 00:58:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-15 00:58:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-15 00:58:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-15 00:58:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-15 00:58:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-15 00:58:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-15 00:58:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-15 00:58:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2019-10-15 00:58:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-15 00:58:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2019-10-15 00:58:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2019-10-15 00:58:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-15 00:58:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-15 00:58:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-15 00:58:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-15 00:58:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-15 00:58:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_timer [2019-10-15 00:58:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:58:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2019-10-15 00:58:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2019-10-15 00:58:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2019-10-15 00:58:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_open [2019-10-15 00:58:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2019-10-15 00:58:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx_timeout [2019-10-15 00:58:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_init_ring [2019-10-15 00:58:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_start_xmit [2019-10-15 00:58:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_interrupt [2019-10-15 00:58:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_rx [2019-10-15 00:58:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx [2019-10-15 00:58:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_error [2019-10-15 00:58:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_close [2019-10-15 00:58:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_stats [2019-10-15 00:58:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2019-10-15 00:58:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_init_one [2019-10-15 00:58:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:58:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2019-10-15 00:58:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_drvinfo [2019-10-15 00:58:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_settings [2019-10-15 00:58:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_set_settings [2019-10-15 00:58:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_nway_reset [2019-10-15 00:58:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_link [2019-10-15 00:58:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_remove_one [2019-10-15 00:58:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_init [2019-10-15 00:58:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_exit [2019-10-15 00:58:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_6 [2019-10-15 00:58:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-10-15 00:58:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_6 [2019-10-15 00:58:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:58:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:58:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-15 00:58:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:58:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:58:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:58:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:58:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:58:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:58:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-15 00:58:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 00:58:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-15 00:58:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-15 00:58:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:58:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 00:58:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-15 00:58:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:58:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:58:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:58:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:58:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:58:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:58:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:58:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 00:58:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:58:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 00:59:00,289 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:59:04,434 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:59:04,434 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:59:04,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:59:04 BoogieIcfgContainer [2019-10-15 00:59:04,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:59:04,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:59:04,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:59:04,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:59:04,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:58:55" (1/3) ... [2019-10-15 00:59:04,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4145dcdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:59:04, skipping insertion in model container [2019-10-15 00:59:04,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:58:58" (2/3) ... [2019-10-15 00:59:04,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4145dcdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:59:04, skipping insertion in model container [2019-10-15 00:59:04,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:59:04" (3/3) ... [2019-10-15 00:59:04,447 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2019-10-15 00:59:04,459 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:59:04,471 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:59:04,485 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:59:04,519 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:59:04,519 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:59:04,520 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:59:04,520 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:59:04,520 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:59:04,520 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:59:04,520 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:59:04,520 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:59:04,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states. [2019-10-15 00:59:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-15 00:59:04,596 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:04,597 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 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] [2019-10-15 00:59:04,600 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:04,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:04,607 INFO L82 PathProgramCache]: Analyzing trace with hash -116509439, now seen corresponding path program 1 times [2019-10-15 00:59:04,617 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:04,618 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847905902] [2019-10-15 00:59:04,618 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:04,618 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:04,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2019-10-15 00:59:05,527 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847905902] [2019-10-15 00:59:05,528 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:05,528 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:59:05,528 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088163628] [2019-10-15 00:59:05,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:59:05,535 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:05,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:59:05,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:59:05,554 INFO L87 Difference]: Start difference. First operand 1640 states. Second operand 3 states. [2019-10-15 00:59:06,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:06,001 INFO L93 Difference]: Finished difference Result 4102 states and 5371 transitions. [2019-10-15 00:59:06,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:59:06,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-15 00:59:06,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:06,044 INFO L225 Difference]: With dead ends: 4102 [2019-10-15 00:59:06,044 INFO L226 Difference]: Without dead ends: 2487 [2019-10-15 00:59:06,060 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:59:06,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2019-10-15 00:59:06,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2437. [2019-10-15 00:59:06,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2437 states. [2019-10-15 00:59:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2437 states and 3143 transitions. [2019-10-15 00:59:06,428 INFO L78 Accepts]: Start accepts. Automaton has 2437 states and 3143 transitions. Word has length 150 [2019-10-15 00:59:06,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:06,428 INFO L462 AbstractCegarLoop]: Abstraction has 2437 states and 3143 transitions. [2019-10-15 00:59:06,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:59:06,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 3143 transitions. [2019-10-15 00:59:06,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-15 00:59:06,437 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:06,437 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:06,437 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:06,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:06,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1827987315, now seen corresponding path program 1 times [2019-10-15 00:59:06,438 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:06,438 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485323959] [2019-10-15 00:59:06,438 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:06,439 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:06,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-15 00:59:06,918 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485323959] [2019-10-15 00:59:06,918 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:06,918 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:59:06,918 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945736978] [2019-10-15 00:59:06,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:59:06,921 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:06,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:59:06,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:59:06,921 INFO L87 Difference]: Start difference. First operand 2437 states and 3143 transitions. Second operand 5 states. [2019-10-15 00:59:07,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:07,228 INFO L93 Difference]: Finished difference Result 7260 states and 9387 transitions. [2019-10-15 00:59:07,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:59:07,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2019-10-15 00:59:07,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:07,257 INFO L225 Difference]: With dead ends: 7260 [2019-10-15 00:59:07,258 INFO L226 Difference]: Without dead ends: 4857 [2019-10-15 00:59:07,269 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:59:07,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4857 states. [2019-10-15 00:59:07,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4857 to 4834. [2019-10-15 00:59:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4834 states. [2019-10-15 00:59:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4834 states to 4834 states and 6240 transitions. [2019-10-15 00:59:07,486 INFO L78 Accepts]: Start accepts. Automaton has 4834 states and 6240 transitions. Word has length 158 [2019-10-15 00:59:07,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:07,487 INFO L462 AbstractCegarLoop]: Abstraction has 4834 states and 6240 transitions. [2019-10-15 00:59:07,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:59:07,487 INFO L276 IsEmpty]: Start isEmpty. Operand 4834 states and 6240 transitions. [2019-10-15 00:59:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-15 00:59:07,494 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:07,494 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:07,495 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:07,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:07,495 INFO L82 PathProgramCache]: Analyzing trace with hash 2064014841, now seen corresponding path program 1 times [2019-10-15 00:59:07,495 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:07,496 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11924930] [2019-10-15 00:59:07,496 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:07,496 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:07,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:08,022 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-15 00:59:08,023 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11924930] [2019-10-15 00:59:08,023 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:08,023 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:59:08,023 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323078724] [2019-10-15 00:59:08,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:59:08,024 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:08,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:59:08,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:59:08,025 INFO L87 Difference]: Start difference. First operand 4834 states and 6240 transitions. Second operand 5 states. [2019-10-15 00:59:08,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:08,421 INFO L93 Difference]: Finished difference Result 14476 states and 18718 transitions. [2019-10-15 00:59:08,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:59:08,422 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2019-10-15 00:59:08,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:08,490 INFO L225 Difference]: With dead ends: 14476 [2019-10-15 00:59:08,490 INFO L226 Difference]: Without dead ends: 9676 [2019-10-15 00:59:08,514 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:59:08,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9676 states. [2019-10-15 00:59:08,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9676 to 9637. [2019-10-15 00:59:08,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9637 states. [2019-10-15 00:59:08,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9637 states to 9637 states and 12442 transitions. [2019-10-15 00:59:08,961 INFO L78 Accepts]: Start accepts. Automaton has 9637 states and 12442 transitions. Word has length 159 [2019-10-15 00:59:08,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:08,962 INFO L462 AbstractCegarLoop]: Abstraction has 9637 states and 12442 transitions. [2019-10-15 00:59:08,962 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:59:08,963 INFO L276 IsEmpty]: Start isEmpty. Operand 9637 states and 12442 transitions. [2019-10-15 00:59:08,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-15 00:59:08,968 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:08,969 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:08,969 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:08,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:08,970 INFO L82 PathProgramCache]: Analyzing trace with hash -772710294, now seen corresponding path program 1 times [2019-10-15 00:59:08,971 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:08,971 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636544774] [2019-10-15 00:59:08,972 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:08,972 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:08,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-15 00:59:10,114 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636544774] [2019-10-15 00:59:10,114 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:10,114 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:59:10,114 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778923115] [2019-10-15 00:59:10,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:59:10,115 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:10,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:59:10,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:59:10,116 INFO L87 Difference]: Start difference. First operand 9637 states and 12442 transitions. Second operand 5 states. [2019-10-15 00:59:10,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:10,774 INFO L93 Difference]: Finished difference Result 28930 states and 37398 transitions. [2019-10-15 00:59:10,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:59:10,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2019-10-15 00:59:10,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:10,876 INFO L225 Difference]: With dead ends: 28930 [2019-10-15 00:59:10,876 INFO L226 Difference]: Without dead ends: 19327 [2019-10-15 00:59:10,916 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:59:10,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19327 states. [2019-10-15 00:59:11,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19327 to 19252. [2019-10-15 00:59:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19252 states. [2019-10-15 00:59:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19252 states to 19252 states and 24856 transitions. [2019-10-15 00:59:11,788 INFO L78 Accepts]: Start accepts. Automaton has 19252 states and 24856 transitions. Word has length 160 [2019-10-15 00:59:11,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:11,788 INFO L462 AbstractCegarLoop]: Abstraction has 19252 states and 24856 transitions. [2019-10-15 00:59:11,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:59:11,789 INFO L276 IsEmpty]: Start isEmpty. Operand 19252 states and 24856 transitions. [2019-10-15 00:59:11,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-15 00:59:11,794 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:11,794 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:11,794 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:11,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:11,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1746583946, now seen corresponding path program 1 times [2019-10-15 00:59:11,795 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:11,795 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496520508] [2019-10-15 00:59:11,795 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:11,795 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:11,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-15 00:59:12,102 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496520508] [2019-10-15 00:59:12,102 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:12,102 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:59:12,103 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872123864] [2019-10-15 00:59:12,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:59:12,103 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:12,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:59:12,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:59:12,104 INFO L87 Difference]: Start difference. First operand 19252 states and 24856 transitions. Second operand 5 states. [2019-10-15 00:59:13,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:13,177 INFO L93 Difference]: Finished difference Result 57161 states and 73868 transitions. [2019-10-15 00:59:13,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:59:13,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2019-10-15 00:59:13,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:13,392 INFO L225 Difference]: With dead ends: 57161 [2019-10-15 00:59:13,392 INFO L226 Difference]: Without dead ends: 37943 [2019-10-15 00:59:13,479 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:59:13,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37943 states. [2019-10-15 00:59:15,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37943 to 37802. [2019-10-15 00:59:15,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37802 states. [2019-10-15 00:59:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37802 states to 37802 states and 48796 transitions. [2019-10-15 00:59:15,691 INFO L78 Accepts]: Start accepts. Automaton has 37802 states and 48796 transitions. Word has length 161 [2019-10-15 00:59:15,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:15,692 INFO L462 AbstractCegarLoop]: Abstraction has 37802 states and 48796 transitions. [2019-10-15 00:59:15,692 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:59:15,693 INFO L276 IsEmpty]: Start isEmpty. Operand 37802 states and 48796 transitions. [2019-10-15 00:59:15,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-15 00:59:15,698 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:15,699 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:15,699 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:15,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:15,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1951179049, now seen corresponding path program 1 times [2019-10-15 00:59:15,703 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:15,704 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147931887] [2019-10-15 00:59:15,704 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:15,704 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:15,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:16,071 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2019-10-15 00:59:16,072 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147931887] [2019-10-15 00:59:16,072 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268228665] [2019-10-15 00:59:16,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 00:59:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:17,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 3603 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-15 00:59:17,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 00:59:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-15 00:59:17,624 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 00:59:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2019-10-15 00:59:17,812 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 00:59:17,813 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2019-10-15 00:59:17,813 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199384226] [2019-10-15 00:59:17,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:59:17,814 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:17,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:59:17,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 00:59:17,814 INFO L87 Difference]: Start difference. First operand 37802 states and 48796 transitions. Second operand 3 states. [2019-10-15 00:59:20,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:20,110 INFO L93 Difference]: Finished difference Result 75506 states and 97720 transitions. [2019-10-15 00:59:20,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:59:20,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2019-10-15 00:59:20,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:20,262 INFO L225 Difference]: With dead ends: 75506 [2019-10-15 00:59:20,262 INFO L226 Difference]: Without dead ends: 37738 [2019-10-15 00:59:20,339 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 00:59:20,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37738 states. [2019-10-15 00:59:21,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37738 to 37738. [2019-10-15 00:59:21,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37738 states. [2019-10-15 00:59:21,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37738 states to 37738 states and 48562 transitions. [2019-10-15 00:59:21,917 INFO L78 Accepts]: Start accepts. Automaton has 37738 states and 48562 transitions. Word has length 175 [2019-10-15 00:59:21,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:21,918 INFO L462 AbstractCegarLoop]: Abstraction has 37738 states and 48562 transitions. [2019-10-15 00:59:21,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:59:21,918 INFO L276 IsEmpty]: Start isEmpty. Operand 37738 states and 48562 transitions. [2019-10-15 00:59:21,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-15 00:59:21,926 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:21,927 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:22,141 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 00:59:22,142 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:22,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:22,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1322719893, now seen corresponding path program 1 times [2019-10-15 00:59:22,142 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:22,143 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137112519] [2019-10-15 00:59:22,143 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:22,143 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:22,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:22,806 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2019-10-15 00:59:22,806 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137112519] [2019-10-15 00:59:22,807 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105646772] [2019-10-15 00:59:22,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 00:59:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:23,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 3603 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 00:59:23,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 00:59:23,883 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-15 00:59:23,884 INFO L321 TraceCheckSpWp]: Computing backward predicates...