java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 06:16:51,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 06:16:51,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 06:16:51,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 06:16:51,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 06:16:51,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 06:16:51,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 06:16:51,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 06:16:51,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 06:16:51,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 06:16:51,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 06:16:51,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 06:16:51,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 06:16:51,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 06:16:51,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 06:16:51,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 06:16:51,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 06:16:51,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 06:16:51,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 06:16:51,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 06:16:51,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 06:16:51,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 06:16:51,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 06:16:51,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 06:16:51,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 06:16:51,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 06:16:51,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 06:16:51,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 06:16:51,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 06:16:51,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 06:16:51,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 06:16:51,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 06:16:51,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 06:16:51,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 06:16:51,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 06:16:51,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 06:16:51,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 06:16:51,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 06:16:51,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 06:16:51,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 06:16:51,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 06:16:51,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 06:16:51,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 06:16:51,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 06:16:51,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 06:16:51,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 06:16:51,798 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 06:16:51,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 06:16:51,799 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 06:16:51,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 06:16:51,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 06:16:51,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 06:16:51,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 06:16:51,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 06:16:51,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 06:16:51,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 06:16:51,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 06:16:51,800 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 06:16:51,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 06:16:51,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 06:16:51,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 06:16:51,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 06:16:51,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 06:16:51,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 06:16:51,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 06:16:51,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 06:16:51,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 06:16:51,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 06:16:51,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 06:16:51,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 06:16:51,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 06:16:52,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 06:16:52,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 06:16:52,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 06:16:52,103 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 06:16:52,103 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 06:16:52,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2019-10-07 06:16:52,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc8a69604/36bf5394e3b743ddb1a05fda0fdf405e/FLAG3a7c64cfc [2019-10-07 06:16:52,987 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 06:16:52,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2019-10-07 06:16:53,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc8a69604/36bf5394e3b743ddb1a05fda0fdf405e/FLAG3a7c64cfc [2019-10-07 06:16:53,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc8a69604/36bf5394e3b743ddb1a05fda0fdf405e [2019-10-07 06:16:53,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 06:16:53,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 06:16:53,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 06:16:53,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 06:16:53,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 06:16:53,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:16:53" (1/1) ... [2019-10-07 06:16:53,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25fb8d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:16:53, skipping insertion in model container [2019-10-07 06:16:53,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:16:53" (1/1) ... [2019-10-07 06:16:53,085 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 06:16:53,230 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 06:16:55,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:16:55,116 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 06:16:55,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:16:56,051 INFO L192 MainTranslator]: Completed translation [2019-10-07 06:16:56,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:16:56 WrapperNode [2019-10-07 06:16:56,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 06:16:56,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 06:16:56,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 06:16:56,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 06:16:56,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:16:56" (1/1) ... [2019-10-07 06:16:56,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:16:56" (1/1) ... [2019-10-07 06:16:56,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:16:56" (1/1) ... [2019-10-07 06:16:56,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:16:56" (1/1) ... [2019-10-07 06:16:56,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:16:56" (1/1) ... [2019-10-07 06:16:56,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:16:56" (1/1) ... [2019-10-07 06:16:56,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:16:56" (1/1) ... [2019-10-07 06:16:56,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 06:16:56,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 06:16:56,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 06:16:56,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 06:16:56,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:16:56" (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 [2019-10-07 06:16:56,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 06:16:56,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 06:16:56,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2019-10-07 06:16:56,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~TO~VOID [2019-10-07 06:16:56,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~__be16~0 [2019-10-07 06:16:56,587 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 06:16:56,588 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 06:16:56,589 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-07 06:16:56,589 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-07 06:16:56,590 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 06:16:56,590 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-07 06:16:56,591 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-07 06:16:56,592 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 06:16:56,592 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 06:16:56,593 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 06:16:56,593 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 06:16:56,594 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-10-07 06:16:56,595 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2019-10-07 06:16:56,595 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-07 06:16:56,595 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-10-07 06:16:56,596 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2019-10-07 06:16:56,596 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-07 06:16:56,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-07 06:16:56,596 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2019-10-07 06:16:56,596 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2019-10-07 06:16:56,597 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-07 06:16:56,597 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-07 06:16:56,597 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2019-10-07 06:16:56,598 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2019-10-07 06:16:56,598 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2019-10-07 06:16:56,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-10-07 06:16:56,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2019-10-07 06:16:56,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 06:16:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 06:16:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-07 06:16:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-07 06:16:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-07 06:16:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-07 06:16:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent [2019-10-07 06:16:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_coherent [2019-10-07 06:16:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-07 06:16:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-07 06:16:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-07 06:16:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-07 06:16:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 06:16:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 06:16:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-07 06:16:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 06:16:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 06:16:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-07 06:16:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-07 06:16:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 06:16:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 06:16:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-07 06:16:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 06:16:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-07 06:16:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-10-07 06:16:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2019-10-07 06:16:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2019-10-07 06:16:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2019-10-07 06:16:56,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_tx_work_q [2019-10-07 06:16:56,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_int_work_q [2019-10-07 06:16:56,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2019-10-07 06:16:56,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpurelease [2019-10-07 06:16:56,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2019-10-07 06:16:56,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_enable_intr [2019-10-07 06:16:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2019-10-07 06:16:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2019-10-07 06:16:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_init_dma [2019-10-07 06:16:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_dma_complete [2019-10-07 06:16:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2019-10-07 06:16:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_rx_dma_complete [2019-10-07 06:16:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_rx_dma [2019-10-07 06:16:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_dma [2019-10-07 06:16:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2019-10-07 06:16:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_op_raise [2019-10-07 06:16:56,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_op_lower [2019-10-07 06:16:56,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_rx_config [2019-10-07 06:16:56,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_config [2019-10-07 06:16:56,607 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr_te1_alarm [2019-10-07 06:16:56,607 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr_ctlchg [2019-10-07 06:16:56,607 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_log_rx_error [2019-10-07 06:16:56,608 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_recover_rx_error [2019-10-07 06:16:56,608 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr_rx [2019-10-07 06:16:56,608 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_tx [2019-10-07 06:16:56,608 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_rx [2019-10-07 06:16:56,608 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr [2019-10-07 06:16:56,609 INFO L138 BoogieDeclarations]: Found implementation of procedure check_started_ok [2019-10-07 06:16:56,609 INFO L138 BoogieDeclarations]: Found implementation of procedure set_conf_from_info [2019-10-07 06:16:56,609 INFO L138 BoogieDeclarations]: Found implementation of procedure gather_conf_info [2019-10-07 06:16:56,609 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_set_iface [2019-10-07 06:16:56,609 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_get_iface [2019-10-07 06:16:56,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_ioctl [2019-10-07 06:16:56,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_openport [2019-10-07 06:16:56,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_closeport [2019-10-07 06:16:56,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_open [2019-10-07 06:16:56,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_close [2019-10-07 06:16:56,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_attach [2019-10-07 06:16:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_timeout [2019-10-07 06:16:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_start_xmit [2019-10-07 06:16:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_init_card [2019-10-07 06:16:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_add_one [2019-10-07 06:16:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_remove_one [2019-10-07 06:16:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_init [2019-10-07 06:16:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cleanup_module [2019-10-07 06:16:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 06:16:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-07 06:16:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-07 06:16:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-07 06:16:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-07 06:16:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-07 06:16:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-07 06:16:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 06:16:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-10-07 06:16:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-10-07 06:16:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2019-10-07 06:16:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 06:16:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-07 06:16:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-07 06:16:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 06:16:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-07 06:16:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 06:16:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 06:16:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 06:16:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 06:16:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_hdlcdev [2019-10-07 06:16:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-07 06:16:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-07 06:16:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-07 06:16:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-07 06:16:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-07 06:16:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 06:16:56,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 06:16:56,618 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-07 06:16:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 06:16:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_close [2019-10-07 06:16:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2019-10-07 06:16:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_open [2019-10-07 06:16:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-07 06:16:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-07 06:16:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-07 06:16:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 06:16:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-10-07 06:16:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-10-07 06:16:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-07 06:16:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-07 06:16:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-07 06:16:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-07 06:16:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-07 06:16:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-10-07 06:16:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2019-10-07 06:16:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-07 06:16:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-07 06:16:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-07 06:16:56,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-07 06:16:56,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-07 06:16:56,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-07 06:16:56,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 06:16:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-07 06:16:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-07 06:16:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2019-10-07 06:16:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 06:16:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_device [2019-10-07 06:16:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-07 06:16:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 06:16:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 06:16:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 06:16:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 06:16:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 06:16:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 06:16:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 06:16:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 06:16:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 06:16:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-07 06:16:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-07 06:16:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 06:16:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 06:16:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 06:16:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-07 06:16:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 06:16:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-07 06:16:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-10-07 06:16:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 06:16:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-07 06:16:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 06:16:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-07 06:16:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 06:16:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 06:16:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 06:16:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 06:16:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 06:16:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 06:16:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 06:16:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-10-07 06:16:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2019-10-07 06:16:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-07 06:16:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-10-07 06:16:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2019-10-07 06:16:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-07 06:16:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-07 06:16:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-07 06:16:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 06:16:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-07 06:16:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2019-10-07 06:16:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 06:16:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2019-10-07 06:16:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-07 06:16:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-07 06:16:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2019-10-07 06:16:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2019-10-07 06:16:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2019-10-07 06:16:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 06:16:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-10-07 06:16:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-10-07 06:16:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2019-10-07 06:16:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-07 06:16:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-07 06:16:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-07 06:16:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-07 06:16:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-07 06:16:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 06:16:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 06:16:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-10-07 06:16:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2019-10-07 06:16:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-10-07 06:16:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2019-10-07 06:16:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-07 06:16:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-07 06:16:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-07 06:16:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-07 06:16:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-07 06:16:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-07 06:16:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-07 06:16:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 06:16:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 06:16:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 06:16:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-07 06:16:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-07 06:16:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-07 06:16:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-07 06:16:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-07 06:16:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-07 06:16:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent [2019-10-07 06:16:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2019-10-07 06:16:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_coherent [2019-10-07 06:16:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~TO~VOID [2019-10-07 06:16:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-07 06:16:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-07 06:16:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-07 06:16:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-07 06:16:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-07 06:16:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2019-10-07 06:16:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 06:16:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 06:16:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 06:16:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 06:16:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-07 06:16:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 06:16:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-07 06:16:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 06:16:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-07 06:16:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 06:16:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 06:16:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-07 06:16:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-07 06:16:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-07 06:16:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-07 06:16:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-07 06:16:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 06:16:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-07 06:16:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-07 06:16:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 06:16:56,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 06:16:56,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-07 06:16:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 06:16:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-07 06:16:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-07 06:16:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-10-07 06:16:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-07 06:16:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-07 06:16:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-07 06:16:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2019-10-07 06:16:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_device [2019-10-07 06:16:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_hdlcdev [2019-10-07 06:16:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2019-10-07 06:16:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_open [2019-10-07 06:16:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_close [2019-10-07 06:16:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2019-10-07 06:16:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_start_xmit [2019-10-07 06:16:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2019-10-07 06:16:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~__be16~0 [2019-10-07 06:16:56,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 06:16:56,656 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_tx [2019-10-07 06:16:56,656 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_rx [2019-10-07 06:16:56,656 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_tx_work_q [2019-10-07 06:16:56,656 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_int_work_q [2019-10-07 06:16:56,656 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2019-10-07 06:16:56,656 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2019-10-07 06:16:56,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 06:16:56,656 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpurelease [2019-10-07 06:16:56,657 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2019-10-07 06:16:56,657 INFO L130 BoogieDeclarations]: Found specification of procedure fst_enable_intr [2019-10-07 06:16:56,657 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2019-10-07 06:16:56,657 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2019-10-07 06:16:56,657 INFO L130 BoogieDeclarations]: Found specification of procedure fst_init_dma [2019-10-07 06:16:56,657 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_dma_complete [2019-10-07 06:16:56,657 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2019-10-07 06:16:56,657 INFO L130 BoogieDeclarations]: Found specification of procedure fst_rx_dma_complete [2019-10-07 06:16:56,657 INFO L130 BoogieDeclarations]: Found specification of procedure fst_rx_dma [2019-10-07 06:16:56,658 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_dma [2019-10-07 06:16:56,658 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2019-10-07 06:16:56,658 INFO L130 BoogieDeclarations]: Found specification of procedure fst_op_raise [2019-10-07 06:16:56,658 INFO L130 BoogieDeclarations]: Found specification of procedure fst_op_lower [2019-10-07 06:16:56,658 INFO L130 BoogieDeclarations]: Found specification of procedure fst_rx_config [2019-10-07 06:16:56,658 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_config [2019-10-07 06:16:56,658 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr_te1_alarm [2019-10-07 06:16:56,658 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr_ctlchg [2019-10-07 06:16:56,658 INFO L130 BoogieDeclarations]: Found specification of procedure fst_log_rx_error [2019-10-07 06:16:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure fst_recover_rx_error [2019-10-07 06:16:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr_rx [2019-10-07 06:16:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr [2019-10-07 06:16:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure check_started_ok [2019-10-07 06:16:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure set_conf_from_info [2019-10-07 06:16:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure gather_conf_info [2019-10-07 06:16:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 06:16:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure fst_set_iface [2019-10-07 06:16:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure fst_get_iface [2019-10-07 06:16:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure fst_ioctl [2019-10-07 06:16:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure fst_openport [2019-10-07 06:16:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure fst_closeport [2019-10-07 06:16:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure fst_open [2019-10-07 06:16:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure fst_close [2019-10-07 06:16:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure fst_attach [2019-10-07 06:16:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_timeout [2019-10-07 06:16:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure fst_start_xmit [2019-10-07 06:16:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure fst_init_card [2019-10-07 06:16:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure fst_add_one [2019-10-07 06:16:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure fst_remove_one [2019-10-07 06:16:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure fst_init [2019-10-07 06:16:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cleanup_module [2019-10-07 06:16:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 06:16:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-07 06:16:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 06:16:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 06:16:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 06:16:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-07 06:16:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-10-07 06:16:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 06:16:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 06:16:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 06:16:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 06:16:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 06:16:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 06:16:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 06:16:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 06:16:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 06:16:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 06:16:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 06:16:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 06:16:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 06:16:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 06:16:59,259 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:16:59,300 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-07 06:16:59,300 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-07 06:16:59,303 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:17:34,762 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2019-10-07 06:17:34,762 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2019-10-07 06:17:34,988 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-07 06:17:35,497 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:17:35,610 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume false; [2019-10-07 06:17:35,610 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume !false; [2019-10-07 06:17:35,693 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:17:35,696 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:18:02,782 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-10-07 06:18:02,783 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false;call ULTIMATE.dealloc(~#wrthdr~0.base, ~#wrthdr~0.offset);havoc ~#wrthdr~0.base, ~#wrthdr~0.offset;call ULTIMATE.dealloc(~#info~0.base, ~#info~0.offset);havoc ~#info~0.base, ~#info~0.offset; [2019-10-07 06:18:02,783 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume !false; [2019-10-07 06:18:02,783 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume false; [2019-10-07 06:18:02,789 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:18:02,793 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:18:36,835 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2019-10-07 06:18:36,835 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2019-10-07 06:18:36,835 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2019-10-07 06:18:36,835 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2019-10-07 06:18:51,210 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 06:18:51,211 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 06:18:51,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:18:51 BoogieIcfgContainer [2019-10-07 06:18:51,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 06:18:51,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 06:18:51,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 06:18:51,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 06:18:51,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 06:16:53" (1/3) ... [2019-10-07 06:18:51,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18efba50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:18:51, skipping insertion in model container [2019-10-07 06:18:51,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:16:56" (2/3) ... [2019-10-07 06:18:51,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18efba50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:18:51, skipping insertion in model container [2019-10-07 06:18:51,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:18:51" (3/3) ... [2019-10-07 06:18:51,220 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2019-10-07 06:18:51,229 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 06:18:51,239 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 06:18:51,249 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 06:18:51,284 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 06:18:51,285 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 06:18:51,285 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 06:18:51,285 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 06:18:51,285 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 06:18:51,285 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 06:18:51,285 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 06:18:51,286 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 06:18:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states. [2019-10-07 06:18:51,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-07 06:18:51,340 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:18:51,341 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:18:51,343 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:18:51,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:18:51,348 INFO L82 PathProgramCache]: Analyzing trace with hash -53253337, now seen corresponding path program 1 times [2019-10-07 06:18:51,357 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:18:51,357 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:18:51,358 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:18:51,358 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:18:51,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:18:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:18:51,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:18:51,868 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:18:51,869 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:18:51,869 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:18:51,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:18:51,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:18:51,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:18:51,890 INFO L87 Difference]: Start difference. First operand 1409 states. Second operand 3 states. [2019-10-07 06:18:52,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:18:52,103 INFO L93 Difference]: Finished difference Result 2267 states and 3001 transitions. [2019-10-07 06:18:52,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:18:52,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-10-07 06:18:52,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:18:52,141 INFO L225 Difference]: With dead ends: 2267 [2019-10-07 06:18:52,142 INFO L226 Difference]: Without dead ends: 1133 [2019-10-07 06:18:52,155 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:18:52,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2019-10-07 06:18:52,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1133. [2019-10-07 06:18:52,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1133 states. [2019-10-07 06:18:52,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1494 transitions. [2019-10-07 06:18:52,310 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1494 transitions. Word has length 29 [2019-10-07 06:18:52,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:18:52,310 INFO L462 AbstractCegarLoop]: Abstraction has 1133 states and 1494 transitions. [2019-10-07 06:18:52,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:18:52,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1494 transitions. [2019-10-07 06:18:52,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-07 06:18:52,313 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:18:52,313 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:18:52,314 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:18:52,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:18:52,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1848648809, now seen corresponding path program 1 times [2019-10-07 06:18:52,314 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:18:52,315 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:18:52,315 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:18:52,315 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:18:52,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:18:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:18:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 06:18:52,502 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:18:52,502 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:18:52,502 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:18:52,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:18:52,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:18:52,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:18:52,506 INFO L87 Difference]: Start difference. First operand 1133 states and 1494 transitions. Second operand 3 states. [2019-10-07 06:18:52,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:18:52,639 INFO L93 Difference]: Finished difference Result 3353 states and 4437 transitions. [2019-10-07 06:18:52,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:18:52,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-10-07 06:18:52,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:18:52,655 INFO L225 Difference]: With dead ends: 3353 [2019-10-07 06:18:52,656 INFO L226 Difference]: Without dead ends: 2233 [2019-10-07 06:18:52,662 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:18:52,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2019-10-07 06:18:52,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 2226. [2019-10-07 06:18:52,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2226 states. [2019-10-07 06:18:52,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 2226 states and 2942 transitions. [2019-10-07 06:18:52,778 INFO L78 Accepts]: Start accepts. Automaton has 2226 states and 2942 transitions. Word has length 30 [2019-10-07 06:18:52,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:18:52,779 INFO L462 AbstractCegarLoop]: Abstraction has 2226 states and 2942 transitions. [2019-10-07 06:18:52,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:18:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2942 transitions. [2019-10-07 06:18:52,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-07 06:18:52,785 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:18:52,786 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:18:52,786 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:18:52,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:18:52,787 INFO L82 PathProgramCache]: Analyzing trace with hash -315755862, now seen corresponding path program 1 times [2019-10-07 06:18:52,787 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:18:52,787 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:18:52,787 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:18:52,787 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:18:52,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:18:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:18:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 06:18:53,023 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:18:53,023 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:18:53,024 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 06:18:53,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 06:18:53,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 06:18:53,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 06:18:53,026 INFO L87 Difference]: Start difference. First operand 2226 states and 2942 transitions. Second operand 7 states. [2019-10-07 06:18:53,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:18:53,171 INFO L93 Difference]: Finished difference Result 4358 states and 5758 transitions. [2019-10-07 06:18:53,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 06:18:53,172 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-10-07 06:18:53,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:18:53,187 INFO L225 Difference]: With dead ends: 4358 [2019-10-07 06:18:53,187 INFO L226 Difference]: Without dead ends: 2154 [2019-10-07 06:18:53,195 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 06:18:53,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2019-10-07 06:18:53,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 2152. [2019-10-07 06:18:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2152 states. [2019-10-07 06:18:53,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 2834 transitions. [2019-10-07 06:18:53,289 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 2834 transitions. Word has length 66 [2019-10-07 06:18:53,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:18:53,290 INFO L462 AbstractCegarLoop]: Abstraction has 2152 states and 2834 transitions. [2019-10-07 06:18:53,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 06:18:53,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2834 transitions. [2019-10-07 06:18:53,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-07 06:18:53,297 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:18:53,297 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:18:53,297 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:18:53,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:18:53,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1223411583, now seen corresponding path program 1 times [2019-10-07 06:18:53,298 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:18:53,298 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:18:53,298 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:18:53,298 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:18:53,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:18:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:18:53,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 06:18:53,682 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:18:53,682 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:18:53,683 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 06:18:53,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 06:18:53,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 06:18:53,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-10-07 06:18:53,684 INFO L87 Difference]: Start difference. First operand 2152 states and 2834 transitions. Second operand 11 states. [2019-10-07 06:22:38,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:22:38,191 INFO L93 Difference]: Finished difference Result 3187 states and 4182 transitions. [2019-10-07 06:22:38,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-07 06:22:38,192 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 70 [2019-10-07 06:22:38,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:22:38,210 INFO L225 Difference]: With dead ends: 3187 [2019-10-07 06:22:38,210 INFO L226 Difference]: Without dead ends: 3184 [2019-10-07 06:22:38,212 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2019-10-07 06:22:38,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3184 states. [2019-10-07 06:22:38,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3184 to 3154. [2019-10-07 06:22:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3154 states. [2019-10-07 06:22:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 4151 transitions. [2019-10-07 06:22:38,347 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 4151 transitions. Word has length 70 [2019-10-07 06:22:38,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:22:38,348 INFO L462 AbstractCegarLoop]: Abstraction has 3154 states and 4151 transitions. [2019-10-07 06:22:38,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 06:22:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 4151 transitions. [2019-10-07 06:22:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-07 06:22:38,351 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:22:38,351 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:22:38,352 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:22:38,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:22:38,352 INFO L82 PathProgramCache]: Analyzing trace with hash -661108841, now seen corresponding path program 1 times [2019-10-07 06:22:38,352 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:22:38,353 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:22:38,353 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:22:38,353 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:22:38,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:22:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:22:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 06:22:38,580 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:22:38,581 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:22:38,581 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 06:22:38,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 06:22:38,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 06:22:38,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-07 06:22:38,583 INFO L87 Difference]: Start difference. First operand 3154 states and 4151 transitions. Second operand 9 states. [2019-10-07 06:23:23,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:23:23,377 INFO L93 Difference]: Finished difference Result 5327 states and 7011 transitions. [2019-10-07 06:23:23,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 06:23:23,378 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2019-10-07 06:23:23,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:23:23,400 INFO L225 Difference]: With dead ends: 5327 [2019-10-07 06:23:23,400 INFO L226 Difference]: Without dead ends: 4195 [2019-10-07 06:23:23,407 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-10-07 06:23:23,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4195 states. [2019-10-07 06:23:23,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4195 to 4176. [2019-10-07 06:23:23,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4176 states. [2019-10-07 06:23:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4176 states to 4176 states and 5495 transitions. [2019-10-07 06:23:23,565 INFO L78 Accepts]: Start accepts. Automaton has 4176 states and 5495 transitions. Word has length 74 [2019-10-07 06:23:23,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:23:23,566 INFO L462 AbstractCegarLoop]: Abstraction has 4176 states and 5495 transitions. [2019-10-07 06:23:23,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 06:23:23,566 INFO L276 IsEmpty]: Start isEmpty. Operand 4176 states and 5495 transitions. [2019-10-07 06:23:23,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-07 06:23:23,570 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:23:23,570 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 06:23:23,570 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:23:23,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:23:23,571 INFO L82 PathProgramCache]: Analyzing trace with hash -888059428, now seen corresponding path program 1 times [2019-10-07 06:23:23,571 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:23:23,571 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:23:23,571 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:23:23,571 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:23:23,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:23:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:23:23,745 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 06:23:23,745 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:23:23,746 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:23:23,746 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 06:23:23,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 06:23:23,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 06:23:23,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-07 06:23:23,747 INFO L87 Difference]: Start difference. First operand 4176 states and 5495 transitions. Second operand 5 states. [2019-10-07 06:23:23,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:23:23,996 INFO L93 Difference]: Finished difference Result 8548 states and 11338 transitions. [2019-10-07 06:23:23,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 06:23:23,996 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2019-10-07 06:23:23,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:23:24,023 INFO L225 Difference]: With dead ends: 8548 [2019-10-07 06:23:24,024 INFO L226 Difference]: Without dead ends: 4394 [2019-10-07 06:23:24,040 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-07 06:23:24,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2019-10-07 06:23:24,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 4352. [2019-10-07 06:23:24,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4352 states. [2019-10-07 06:23:24,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4352 states to 4352 states and 5789 transitions. [2019-10-07 06:23:24,207 INFO L78 Accepts]: Start accepts. Automaton has 4352 states and 5789 transitions. Word has length 88 [2019-10-07 06:23:24,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:23:24,208 INFO L462 AbstractCegarLoop]: Abstraction has 4352 states and 5789 transitions. [2019-10-07 06:23:24,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 06:23:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 4352 states and 5789 transitions. [2019-10-07 06:23:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-07 06:23:24,214 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:23:24,214 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:23:24,214 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:23:24,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:23:24,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1267562938, now seen corresponding path program 1 times [2019-10-07 06:23:24,215 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:23:24,215 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:23:24,215 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:23:24,215 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:23:24,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:23:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:23:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:23:24,339 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:23:24,339 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 06:23:24,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:23:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:23:25,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 1750 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 06:23:25,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 06:23:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:23:25,234 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 06:23:25,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:23:25,358 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 06:23:25,391 INFO L162 IcfgInterpreter]: Started Sifa with 90 locations of interest [2019-10-07 06:23:25,391 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 06:23:25,399 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 06:23:25,407 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 06:23:25,408 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs