/usr/bin/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--hippi--rrunner.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:23:51,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:23:51,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:23:51,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:23:51,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:23:51,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:23:51,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:23:51,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:23:51,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:23:51,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:23:51,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:23:51,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:23:51,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:23:51,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:23:51,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:23:51,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:23:51,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:23:51,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:23:51,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:23:51,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:23:51,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:23:51,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:23:51,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:23:51,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:23:51,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:23:51,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:23:51,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:23:51,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:23:51,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:23:51,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:23:51,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:23:51,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:23:51,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:23:51,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:23:51,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:23:51,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:23:51,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:23:51,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:23:51,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:23:51,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:23:51,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:23:51,165 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 [2019-11-07 00:23:51,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:23:51,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:23:51,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:23:51,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:23:51,187 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:23:51,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:23:51,188 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:23:51,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:23:51,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:23:51,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:23:51,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:23:51,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:23:51,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:23:51,190 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:23:51,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:23:51,190 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:23:51,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:23:51,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:23:51,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:23:51,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:23:51,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:23:51,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:23:51,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:23:51,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:23:51,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:23:51,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:23:51,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:23:51,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:23:51,193 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 [2019-11-07 00:23:51,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:23:51,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:23:51,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:23:51,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:23:51,492 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:23:51,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2019-11-07 00:23:51,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df64d8070/c567317ba09149228bdd7bcd076406e0/FLAG21b691098 [2019-11-07 00:23:52,409 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:23:52,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2019-11-07 00:23:52,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df64d8070/c567317ba09149228bdd7bcd076406e0/FLAG21b691098 [2019-11-07 00:23:52,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df64d8070/c567317ba09149228bdd7bcd076406e0 [2019-11-07 00:23:52,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:23:52,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:23:52,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:23:52,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:23:52,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:23:52,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:23:52" (1/1) ... [2019-11-07 00:23:52,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e6b196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:23:52, skipping insertion in model container [2019-11-07 00:23:52,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:23:52" (1/1) ... [2019-11-07 00:23:52,947 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:23:53,130 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:23:55,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:23:55,869 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:23:56,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:23:56,698 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:23:56,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:23:56 WrapperNode [2019-11-07 00:23:56,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:23:56,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:23:56,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:23:56,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:23:56,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:23:56" (1/1) ... [2019-11-07 00:23:56,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:23:56" (1/1) ... [2019-11-07 00:23:56,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:23:56" (1/1) ... [2019-11-07 00:23:56,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:23:56" (1/1) ... [2019-11-07 00:23:56,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:23:56" (1/1) ... [2019-11-07 00:23:56,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:23:56" (1/1) ... [2019-11-07 00:23:57,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:23:56" (1/1) ... [2019-11-07 00:23:57,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:23:57,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:23:57,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:23:57,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:23:57,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:23:56" (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 [2019-11-07 00:23:57,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:23:57,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:23:57,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-11-07 00:23:57,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-11-07 00:23:57,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-11-07 00:23:57,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-11-07 00:23:57,147 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-07 00:23:57,148 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-11-07 00:23:57,148 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-07 00:23:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-11-07 00:23:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-11-07 00:23:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-11-07 00:23:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 00:23:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 00:23:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 00:23:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 00:23:57,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 00:23:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 00:23:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 00:23:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 00:23:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 00:23:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure rep_nop [2019-11-07 00:23:57,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2019-11-07 00:23:57,158 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 00:23:57,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-11-07 00:23:57,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-11-07 00:23:57,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-11-07 00:23:57,158 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-11-07 00:23:57,158 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-11-07 00:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 00:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-07 00:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-11-07 00:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2019-11-07 00:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-11-07 00:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-11-07 00:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-11-07 00:23:57,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-11-07 00:23:57,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-11-07 00:23:57,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2019-11-07 00:23:57,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2019-11-07 00:23:57,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-11-07 00:23:57,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-11-07 00:23:57,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-11-07 00:23:57,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-11-07 00:23:57,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2019-11-07 00:23:57,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2019-11-07 00:23:57,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-11-07 00:23:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-11-07 00:23:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-07 00:23:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-07 00:23:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-11-07 00:23:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-11-07 00:23:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-11-07 00:23:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-11-07 00:23:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-11-07 00:23:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-11-07 00:23:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-11-07 00:23:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-11-07 00:23:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-11-07 00:23:57,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-11-07 00:23:57,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-11-07 00:23:57,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-11-07 00:23:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-11-07 00:23:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-11-07 00:23:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-11-07 00:23:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-11-07 00:23:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2019-11-07 00:23:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rxaddr [2019-11-07 00:23:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infoaddr [2019-11-07 00:23:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init_one [2019-11-07 00:23:57,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_remove_one [2019-11-07 00:23:57,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_issue_cmd [2019-11-07 00:23:57,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_reset [2019-11-07 00:23:57,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2019-11-07 00:23:57,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2019-11-07 00:23:57,167 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2019-11-07 00:23:57,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init [2019-11-07 00:23:57,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2019-11-07 00:23:57,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_handle_event [2019-11-07 00:23:57,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_int [2019-11-07 00:23:57,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_interrupt [2019-11-07 00:23:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2019-11-07 00:23:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2019-11-07 00:23:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_timer [2019-11-07 00:23:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_open [2019-11-07 00:23:57,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_dump [2019-11-07 00:23:57,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_close [2019-11-07 00:23:57,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_start_xmit [2019-11-07 00:23:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_load_firmware [2019-11-07 00:23:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_ioctl [2019-11-07 00:23:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_driver_init [2019-11-07 00:23:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_driver_exit [2019-11-07 00:23:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-11-07 00:23:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-11-07 00:23:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-11-07 00:23:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-11-07 00:23:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-11-07 00:23:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-11-07 00:23:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-11-07 00:23:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-11-07 00:23:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-11-07 00:23:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-11-07 00:23:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-11-07 00:23:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:23:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-07 00:23:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-07 00:23:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-07 00:23:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 00:23:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-11-07 00:23:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-11-07 00:23:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-11-07 00:23:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-11-07 00:23:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-11-07 00:23:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-11-07 00:23:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-11-07 00:23:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-11-07 00:23:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-11-07 00:23:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-11-07 00:23:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-11-07 00:23:57,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2019-11-07 00:23:57,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2019-11-07 00:23:57,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_39 [2019-11-07 00:23:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_40 [2019-11-07 00:23:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_41 [2019-11-07 00:23:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_42 [2019-11-07 00:23:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2019-11-07 00:23:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_44 [2019-11-07 00:23:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_45 [2019-11-07 00:23:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 00:23:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 00:23:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 00:23:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 00:23:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 00:23:57,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-11-07 00:23:57,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-07 00:23:57,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-11-07 00:23:57,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-11-07 00:23:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-11-07 00:23:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-11-07 00:23:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-11-07 00:23:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-11-07 00:23:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-11-07 00:23:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-11-07 00:23:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-11-07 00:23:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-11-07 00:23:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-11-07 00:23:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 00:23:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-07 00:23:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-07 00:23:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-07 00:23:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-07 00:23:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-07 00:23:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-11-07 00:23:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_hippi_dev [2019-11-07 00:23:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-11-07 00:23:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-11-07 00:23:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-11-07 00:23:57,238 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2019-11-07 00:23:57,238 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2019-11-07 00:23:57,238 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-11-07 00:23:57,238 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-11-07 00:23:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-11-07 00:23:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-11-07 00:23:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-11-07 00:23:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-11-07 00:23:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_change_mtu [2019-11-07 00:23:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_mac_addr [2019-11-07 00:23:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_type_trans [2019-11-07 00:23:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 00:23:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 00:23:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-11-07 00:23:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-11-07 00:23:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-11-07 00:23:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-11-07 00:23:57,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-11-07 00:23:57,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-11-07 00:23:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-11-07 00:23:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2019-11-07 00:23:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-11-07 00:23:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-11-07 00:23:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-11-07 00:23:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-11-07 00:23:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-11-07 00:23:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-11-07 00:23:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-11-07 00:23:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-11-07 00:23:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 00:23:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-11-07 00:23:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-11-07 00:23:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-11-07 00:23:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-07 00:23:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-11-07 00:23:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 00:23:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 00:23:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 00:23:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 00:23:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-07 00:23:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:23:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 00:23:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-07 00:23:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-11-07 00:23:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-07 00:23:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:23:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-11-07 00:23:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-11-07 00:23:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-11-07 00:23:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 00:23:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-11-07 00:23:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-11-07 00:23:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-11-07 00:23:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:23:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 00:23:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 00:23:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:23:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 00:23:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 00:23:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 00:23:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 00:23:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:23:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 00:23:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 00:23:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 00:23:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 00:23:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 00:23:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 00:23:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 00:23:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 00:23:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 00:23:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-11-07 00:23:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 00:23:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-11-07 00:23:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure rep_nop [2019-11-07 00:23:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2019-11-07 00:23:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 00:23:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-07 00:23:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-07 00:23:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-07 00:23:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 00:23:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-11-07 00:23:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-07 00:23:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-11-07 00:23:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-07 00:23:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-11-07 00:23:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-07 00:23:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-11-07 00:23:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-11-07 00:23:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_42 [2019-11-07 00:23:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-11-07 00:23:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-11-07 00:23:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-11-07 00:23:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-11-07 00:23:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-11-07 00:23:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 00:23:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-11-07 00:23:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 00:23:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-11-07 00:23:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-11-07 00:23:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-11-07 00:23:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-11-07 00:23:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-11-07 00:23:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-11-07 00:23:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-11-07 00:23:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-11-07 00:23:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-11-07 00:23:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-11-07 00:23:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-11-07 00:23:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-11-07 00:23:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 00:23:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:23:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-07 00:23:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:23:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-11-07 00:23:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2019-11-07 00:23:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-11-07 00:23:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2019-11-07 00:23:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-11-07 00:23:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-11-07 00:23:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-11-07 00:23:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-11-07 00:23:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-11-07 00:23:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-11-07 00:23:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_44 [2019-11-07 00:23:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-11-07 00:23:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_45 [2019-11-07 00:23:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-11-07 00:23:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-11-07 00:23:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-11-07 00:23:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-11-07 00:23:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2019-11-07 00:23:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2019-11-07 00:23:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-11-07 00:23:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-11-07 00:23:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-11-07 00:23:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-11-07 00:23:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-11-07 00:23:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2019-11-07 00:23:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-11-07 00:23:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2019-11-07 00:23:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-11-07 00:23:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-11-07 00:23:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-11-07 00:23:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-11-07 00:23:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-11-07 00:23:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-11-07 00:23:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2019-11-07 00:23:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2019-11-07 00:23:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-11-07 00:23:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-11-07 00:23:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-11-07 00:23:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-07 00:23:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-07 00:23:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-11-07 00:23:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-11-07 00:23:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-07 00:23:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:23:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-07 00:23:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-11-07 00:23:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-11-07 00:23:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-11-07 00:23:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-11-07 00:23:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-11-07 00:23:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-11-07 00:23:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-11-07 00:23:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-11-07 00:23:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-07 00:23:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-11-07 00:23:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-11-07 00:23:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-11-07 00:23:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:23:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-11-07 00:23:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-11-07 00:23:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-11-07 00:23:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-11-07 00:23:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-11-07 00:23:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-11-07 00:23:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-07 00:23:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-11-07 00:23:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-11-07 00:23:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_41 [2019-11-07 00:23:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-11-07 00:23:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2019-11-07 00:23:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-11-07 00:23:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-11-07 00:23:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-11-07 00:23:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2019-11-07 00:23:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_40 [2019-11-07 00:23:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-11-07 00:23:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-11-07 00:23:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-11-07 00:23:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-11-07 00:23:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-11-07 00:23:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-11-07 00:23:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-11-07 00:23:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-11-07 00:23:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-11-07 00:23:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-11-07 00:23:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-11-07 00:23:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-11-07 00:23:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2019-11-07 00:23:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-11-07 00:23:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_39 [2019-11-07 00:23:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_type_trans [2019-11-07 00:23:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_change_mtu [2019-11-07 00:23:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_mac_addr [2019-11-07 00:23:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_hippi_dev [2019-11-07 00:23:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2019-11-07 00:23:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure set_rxaddr [2019-11-07 00:23:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure set_infoaddr [2019-11-07 00:23:57,285 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init [2019-11-07 00:23:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2019-11-07 00:23:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure rr_interrupt [2019-11-07 00:23:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure rr_open [2019-11-07 00:23:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure rr_start_xmit [2019-11-07 00:23:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure rr_close [2019-11-07 00:23:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure rr_ioctl [2019-11-07 00:23:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2019-11-07 00:23:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2019-11-07 00:23:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure rr_load_firmware [2019-11-07 00:23:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2019-11-07 00:23:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2019-11-07 00:23:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init_one [2019-11-07 00:23:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:23:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure rr_remove_one [2019-11-07 00:23:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure rr_issue_cmd [2019-11-07 00:23:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure rr_reset [2019-11-07 00:23:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2019-11-07 00:23:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure rr_handle_event [2019-11-07 00:23:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure rx_int [2019-11-07 00:23:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure rr_timer [2019-11-07 00:23:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure rr_dump [2019-11-07 00:23:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure rr_driver_init [2019-11-07 00:23:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure rr_driver_exit [2019-11-07 00:23:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-11-07 00:23:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-11-07 00:23:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 00:23:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-11-07 00:23:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 00:23:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-11-07 00:23:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:23:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 00:23:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 00:23:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 00:23:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 00:23:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 00:23:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-11-07 00:23:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-07 00:23:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-11-07 00:23:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-11-07 00:23:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 00:23:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 00:23:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-11-07 00:23:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:23:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:23:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:23:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 00:23:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:23:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 00:23:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 00:23:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 00:23:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 00:23:58,235 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 00:24:18,538 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:24:18,538 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 00:24:18,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:24:18 BoogieIcfgContainer [2019-11-07 00:24:18,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:24:18,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:24:18,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:24:18,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:24:18,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:23:52" (1/3) ... [2019-11-07 00:24:18,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfeacd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:24:18, skipping insertion in model container [2019-11-07 00:24:18,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:23:56" (2/3) ... [2019-11-07 00:24:18,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfeacd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:24:18, skipping insertion in model container [2019-11-07 00:24:18,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:24:18" (3/3) ... [2019-11-07 00:24:18,548 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2019-11-07 00:24:18,558 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:24:18,568 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:24:18,580 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:24:18,613 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:24:18,614 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:24:18,614 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:24:18,614 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:24:18,614 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:24:18,614 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:24:18,614 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:24:18,614 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:24:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states. [2019-11-07 00:24:18,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-07 00:24:18,676 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:24:18,677 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2019-11-07 00:24:18,679 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:24:18,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:24:18,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1827391194, now seen corresponding path program 1 times [2019-11-07 00:24:18,695 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:24:18,695 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783963533] [2019-11-07 00:24:18,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:24:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:24:19,485 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-11-07 00:24:19,486 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783963533] [2019-11-07 00:24:19,486 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:24:19,487 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:24:19,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138917742] [2019-11-07 00:24:19,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:24:19,494 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:24:19,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:24:19,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:24:19,512 INFO L87 Difference]: Start difference. First operand 1646 states. Second operand 3 states. [2019-11-07 00:24:20,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:24:20,016 INFO L93 Difference]: Finished difference Result 4216 states and 5649 transitions. [2019-11-07 00:24:20,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:24:20,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-11-07 00:24:20,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:24:20,068 INFO L225 Difference]: With dead ends: 4216 [2019-11-07 00:24:20,068 INFO L226 Difference]: Without dead ends: 2585 [2019-11-07 00:24:20,083 INFO L630 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 [2019-11-07 00:24:20,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2585 states. [2019-11-07 00:24:20,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2585 to 2565. [2019-11-07 00:24:20,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2565 states. [2019-11-07 00:24:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3403 transitions. [2019-11-07 00:24:20,405 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3403 transitions. Word has length 99 [2019-11-07 00:24:20,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:24:20,406 INFO L462 AbstractCegarLoop]: Abstraction has 2565 states and 3403 transitions. [2019-11-07 00:24:20,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:24:20,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3403 transitions. [2019-11-07 00:24:20,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-07 00:24:20,417 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:24:20,417 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:24:20,418 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:24:20,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:24:20,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1782199768, now seen corresponding path program 1 times [2019-11-07 00:24:20,418 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:24:20,419 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318226318] [2019-11-07 00:24:20,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:24:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:24:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-07 00:24:20,754 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318226318] [2019-11-07 00:24:20,754 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:24:20,754 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:24:20,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779789745] [2019-11-07 00:24:20,756 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:24:20,757 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:24:20,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:24:20,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:24:20,757 INFO L87 Difference]: Start difference. First operand 2565 states and 3403 transitions. Second operand 5 states. [2019-11-07 00:24:21,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:24:21,043 INFO L93 Difference]: Finished difference Result 7660 states and 10187 transitions. [2019-11-07 00:24:21,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:24:21,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2019-11-07 00:24:21,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:24:21,078 INFO L225 Difference]: With dead ends: 7660 [2019-11-07 00:24:21,079 INFO L226 Difference]: Without dead ends: 5121 [2019-11-07 00:24:21,091 INFO L630 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 [2019-11-07 00:24:21,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5121 states. [2019-11-07 00:24:21,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5121 to 5098. [2019-11-07 00:24:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5098 states. [2019-11-07 00:24:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5098 states to 5098 states and 6770 transitions. [2019-11-07 00:24:21,369 INFO L78 Accepts]: Start accepts. Automaton has 5098 states and 6770 transitions. Word has length 138 [2019-11-07 00:24:21,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:24:21,370 INFO L462 AbstractCegarLoop]: Abstraction has 5098 states and 6770 transitions. [2019-11-07 00:24:21,370 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:24:21,370 INFO L276 IsEmpty]: Start isEmpty. Operand 5098 states and 6770 transitions. [2019-11-07 00:24:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-07 00:24:21,374 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:24:21,375 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2019-11-07 00:24:21,375 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:24:21,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:24:21,375 INFO L82 PathProgramCache]: Analyzing trace with hash -2110552006, now seen corresponding path program 1 times [2019-11-07 00:24:21,376 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:24:21,376 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746411628] [2019-11-07 00:24:21,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:24:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:24:21,632 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-07 00:24:21,633 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746411628] [2019-11-07 00:24:21,633 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:24:21,633 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:24:21,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301065391] [2019-11-07 00:24:21,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:24:21,634 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:24:21,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:24:21,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:24:21,635 INFO L87 Difference]: Start difference. First operand 5098 states and 6770 transitions. Second operand 5 states. [2019-11-07 00:24:22,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:24:22,048 INFO L93 Difference]: Finished difference Result 15284 states and 20328 transitions. [2019-11-07 00:24:22,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:24:22,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2019-11-07 00:24:22,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:24:22,848 INFO L225 Difference]: With dead ends: 15284 [2019-11-07 00:24:22,849 INFO L226 Difference]: Without dead ends: 10212 [2019-11-07 00:24:22,867 INFO L630 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 [2019-11-07 00:24:22,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10212 states. [2019-11-07 00:24:23,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10212 to 10173. [2019-11-07 00:24:23,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10173 states. [2019-11-07 00:24:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10173 states to 10173 states and 13512 transitions. [2019-11-07 00:24:23,448 INFO L78 Accepts]: Start accepts. Automaton has 10173 states and 13512 transitions. Word has length 139 [2019-11-07 00:24:23,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:24:23,449 INFO L462 AbstractCegarLoop]: Abstraction has 10173 states and 13512 transitions. [2019-11-07 00:24:23,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:24:23,450 INFO L276 IsEmpty]: Start isEmpty. Operand 10173 states and 13512 transitions. [2019-11-07 00:24:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-07 00:24:23,459 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:24:23,459 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2019-11-07 00:24:23,460 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:24:23,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:24:23,460 INFO L82 PathProgramCache]: Analyzing trace with hash -741259861, now seen corresponding path program 1 times [2019-11-07 00:24:23,461 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:24:23,461 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399578125] [2019-11-07 00:24:23,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:24:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:24:23,869 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-07 00:24:23,869 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399578125] [2019-11-07 00:24:23,869 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:24:23,869 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:24:23,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969675140] [2019-11-07 00:24:23,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:24:23,871 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:24:23,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:24:23,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:24:23,871 INFO L87 Difference]: Start difference. First operand 10173 states and 13512 transitions. Second operand 5 states. [2019-11-07 00:24:24,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:24:24,497 INFO L93 Difference]: Finished difference Result 30554 states and 40628 transitions. [2019-11-07 00:24:24,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:24:24,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2019-11-07 00:24:24,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:24:24,641 INFO L225 Difference]: With dead ends: 30554 [2019-11-07 00:24:24,642 INFO L226 Difference]: Without dead ends: 20407 [2019-11-07 00:24:24,693 INFO L630 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 [2019-11-07 00:24:24,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20407 states. [2019-11-07 00:24:25,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20407 to 20332. [2019-11-07 00:24:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20332 states. [2019-11-07 00:24:25,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20332 states to 20332 states and 27006 transitions. [2019-11-07 00:24:25,770 INFO L78 Accepts]: Start accepts. Automaton has 20332 states and 27006 transitions. Word has length 140 [2019-11-07 00:24:25,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:24:25,771 INFO L462 AbstractCegarLoop]: Abstraction has 20332 states and 27006 transitions. [2019-11-07 00:24:25,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:24:25,771 INFO L276 IsEmpty]: Start isEmpty. Operand 20332 states and 27006 transitions. [2019-11-07 00:24:25,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-07 00:24:25,777 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:24:25,778 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2019-11-07 00:24:25,778 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:24:25,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:24:25,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1715400605, now seen corresponding path program 1 times [2019-11-07 00:24:25,778 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:24:25,779 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020662706] [2019-11-07 00:24:25,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:24:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:24:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-07 00:24:26,058 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020662706] [2019-11-07 00:24:26,059 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:24:26,059 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:24:26,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723042223] [2019-11-07 00:24:26,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:24:26,060 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:24:26,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:24:26,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:24:26,061 INFO L87 Difference]: Start difference. First operand 20332 states and 27006 transitions. Second operand 5 states. [2019-11-07 00:24:26,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:24:26,937 INFO L93 Difference]: Finished difference Result 60567 states and 80488 transitions. [2019-11-07 00:24:26,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:24:26,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2019-11-07 00:24:26,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:24:27,142 INFO L225 Difference]: With dead ends: 60567 [2019-11-07 00:24:27,143 INFO L226 Difference]: Without dead ends: 40261 [2019-11-07 00:24:27,216 INFO L630 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 [2019-11-07 00:24:27,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40261 states.