/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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 03:45:01,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 03:45:01,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 03:45:01,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 03:45:01,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 03:45:01,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 03:45:01,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 03:45:01,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 03:45:01,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 03:45:01,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 03:45:01,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 03:45:01,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 03:45:01,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 03:45:01,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 03:45:01,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 03:45:01,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 03:45:01,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 03:45:01,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 03:45:01,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 03:45:01,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 03:45:01,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 03:45:01,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 03:45:01,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 03:45:01,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 03:45:01,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 03:45:01,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 03:45:01,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 03:45:01,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 03:45:01,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 03:45:01,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 03:45:01,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 03:45:01,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 03:45:01,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 03:45:01,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 03:45:01,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 03:45:01,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 03:45:01,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 03:45:01,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 03:45:01,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 03:45:01,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 03:45:01,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 03:45:01,602 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 03:45:01,628 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 03:45:01,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 03:45:01,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 03:45:01,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 03:45:01,630 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 03:45:01,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 03:45:01,630 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 03:45:01,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 03:45:01,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 03:45:01,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 03:45:01,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 03:45:01,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 03:45:01,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 03:45:01,634 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 03:45:01,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 03:45:01,634 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 03:45:01,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 03:45:01,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 03:45:01,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 03:45:01,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 03:45:01,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 03:45:01,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:45:01,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 03:45:01,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 03:45:01,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 03:45:01,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 03:45:01,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 03:45:01,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 03:45:01,639 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 [2019-11-07 03:45:01,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 03:45:01,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 03:45:01,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 03:45:01,980 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 03:45:01,980 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 03:45:01,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2019-11-07 03:45:02,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1785e7e9f/3af5afca76cb4b02a229792211e24fa6/FLAG63c09f075 [2019-11-07 03:45:02,928 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 03:45:02,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2019-11-07 03:45:02,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1785e7e9f/3af5afca76cb4b02a229792211e24fa6/FLAG63c09f075 [2019-11-07 03:45:03,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1785e7e9f/3af5afca76cb4b02a229792211e24fa6 [2019-11-07 03:45:03,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 03:45:03,428 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 03:45:03,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 03:45:03,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 03:45:03,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 03:45:03,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:45:03" (1/1) ... [2019-11-07 03:45:03,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a18eb31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:03, skipping insertion in model container [2019-11-07 03:45:03,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:45:03" (1/1) ... [2019-11-07 03:45:03,446 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 03:45:03,633 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 03:45:05,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:45:05,933 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 03:45:06,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:45:06,909 INFO L192 MainTranslator]: Completed translation [2019-11-07 03:45:06,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06 WrapperNode [2019-11-07 03:45:06,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 03:45:06,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 03:45:06,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 03:45:06,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 03:45:06,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2019-11-07 03:45:06,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2019-11-07 03:45:07,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2019-11-07 03:45:07,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2019-11-07 03:45:07,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2019-11-07 03:45:07,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2019-11-07 03:45:07,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2019-11-07 03:45:07,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 03:45:07,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 03:45:07,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 03:45:07,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 03:45:07,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (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 03:45:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 03:45:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 03:45:07,334 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 03:45:07,334 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 03:45:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-07 03:45:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-11-07 03:45:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-07 03:45:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 03:45:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 03:45:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 03:45:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 03:45:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 03:45:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 03:45:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 03:45:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 03:45:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 03:45:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-07 03:45:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 03:45:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-11-07 03:45:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-11-07 03:45:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-11-07 03:45:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-11-07 03:45:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-11-07 03:45:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-11-07 03:45:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-11-07 03:45:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-11-07 03:45:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-11-07 03:45:07,340 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-11-07 03:45:07,340 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 03:45:07,340 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-07 03:45:07,340 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-11-07 03:45:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-11-07 03:45:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-11-07 03:45:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-11-07 03:45:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-11-07 03:45:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-11-07 03:45:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2019-11-07 03:45:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-11-07 03:45:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-11-07 03:45:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-11-07 03:45:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-11-07 03:45:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-11-07 03:45:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2019-11-07 03:45:07,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-11-07 03:45:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-11-07 03:45:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-11-07 03:45:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-11-07 03:45:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-11-07 03:45:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-11-07 03:45:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-11-07 03:45:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-11-07 03:45:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-11-07 03:45:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-11-07 03:45:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-11-07 03:45:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-11-07 03:45:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-11-07 03:45:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-11-07 03:45:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2019-11-07 03:45:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2019-11-07 03:45:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2019-11-07 03:45:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2019-11-07 03:45:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure send_end [2019-11-07 03:45:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2019-11-07 03:45:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2019-11-07 03:45:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2019-11-07 03:45:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_led_mode [2019-11-07 03:45:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_set [2019-11-07 03:45:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2019-11-07 03:45:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_find_phyaddr [2019-11-07 03:45:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2019-11-07 03:45:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2019-11-07 03:45:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2019-11-07 03:45:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2019-11-07 03:45:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2019-11-07 03:45:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2019-11-07 03:45:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2019-11-07 03:45:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2019-11-07 03:45:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txcleanup [2019-11-07 03:45:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2019-11-07 03:45:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2019-11-07 03:45:07,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2019-11-07 03:45:07,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_frame_type [2019-11-07 03:45:07,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2019-11-07 03:45:07,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start_and_end [2019-11-07 03:45:07,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start [2019-11-07 03:45:07,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_end [2019-11-07 03:45:07,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_no_start_no_end [2019-11-07 03:45:07,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_jumbo [2019-11-07 03:45:07,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx [2019-11-07 03:45:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2019-11-07 03:45:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_interrupt_handler [2019-11-07 03:45:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2019-11-07 03:45:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2019-11-07 03:45:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2019-11-07 03:45:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2019-11-07 03:45:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_hard_start_xmit [2019-11-07 03:45:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_default_param [2019-11-07 03:45:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2019-11-07 03:45:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_init_mii [2019-11-07 03:45:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_hw_init [2019-11-07 03:45:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2019-11-07 03:45:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2019-11-07 03:45:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_settings [2019-11-07 03:45:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_settings [2019-11-07 03:45:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2019-11-07 03:45:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2019-11-07 03:45:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_probe [2019-11-07 03:45:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_init [2019-11-07 03:45:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_exit [2019-11-07 03:45:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-11-07 03:45:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-11-07 03:45:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-11-07 03:45:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-11-07 03:45:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-11-07 03:45:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-11-07 03:45:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-11-07 03:45:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-11-07 03:45:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-11-07 03:45:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-11-07 03:45:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_5 [2019-11-07 03:45:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-11-07 03:45:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-11-07 03:45:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-11-07 03:45:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 03:45:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-07 03:45:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-11-07 03:45:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-07 03:45:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-11-07 03:45:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-07 03:45:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2019-11-07 03:45:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2019-11-07 03:45:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2019-11-07 03:45:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2019-11-07 03:45:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2019-11-07 03:45:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_25 [2019-11-07 03:45:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2019-11-07 03:45:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2019-11-07 03:45:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_35 [2019-11-07 03:45:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_36 [2019-11-07 03:45:07,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_37 [2019-11-07 03:45:07,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_38 [2019-11-07 03:45:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_39 [2019-11-07 03:45:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_40 [2019-11-07 03:45:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_41 [2019-11-07 03:45:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_42 [2019-11-07 03:45:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2019-11-07 03:45:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2019-11-07 03:45:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_45 [2019-11-07 03:45:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_46 [2019-11-07 03:45:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_47 [2019-11-07 03:45:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_48 [2019-11-07 03:45:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_49 [2019-11-07 03:45:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_50 [2019-11-07 03:45:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 03:45:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 03:45:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 03:45:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 03:45:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 03:45:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-11-07 03:45:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-07 03:45:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-11-07 03:45:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-11-07 03:45:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-11-07 03:45:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-11-07 03:45:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-11-07 03:45:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-11-07 03:45:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-11-07 03:45:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-07 03:45:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-11-07 03:45:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-11-07 03:45:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 03:45:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-07 03:45:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-11-07 03:45:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-07 03:45:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-11-07 03:45:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-07 03:45:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-11-07 03:45:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-11-07 03:45:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-11-07 03:45:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-11-07 03:45:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-11-07 03:45:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-11-07 03:45:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-11-07 03:45:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-11-07 03:45:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-11-07 03:45:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-11-07 03:45:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-11-07 03:45:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-11-07 03:45:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-11-07 03:45:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2019-11-07 03:45:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-11-07 03:45:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-11-07 03:45:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-11-07 03:45:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-11-07 03:45:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-11-07 03:45:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-11-07 03:45:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2019-11-07 03:45:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 03:45:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 03:45:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-11-07 03:45:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-11-07 03:45:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-11-07 03:45:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-11-07 03:45:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-11-07 03:45:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-11-07 03:45:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-11-07 03:45:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-11-07 03:45:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-07 03:45:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 03:45:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-11-07 03:45:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-11-07 03:45:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-11-07 03:45:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-11-07 03:45:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-11-07 03:45:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-11-07 03:45:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-11-07 03:45:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-11-07 03:45:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-11-07 03:45:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-11-07 03:45:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-11-07 03:45:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-11-07 03:45:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 03:45:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-11-07 03:45:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-11-07 03:45:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-11-07 03:45:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-11-07 03:45:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-07 03:45:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2019-11-07 03:45:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-11-07 03:45:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 03:45:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 03:45:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 03:45:07,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 03:45:07,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-07 03:45:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 03:45:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 03:45:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 03:45:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-07 03:45:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-11-07 03:45:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-07 03:45:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 03:45:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 03:45:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-11-07 03:45:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-11-07 03:45:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 03:45:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 03:45:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 03:45:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 03:45:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 03:45:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 03:45:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 03:45:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 03:45:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 03:45:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 03:45:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 03:45:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 03:45:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 03:45:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 03:45:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 03:45:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 03:45:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 03:45:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 03:45:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-07 03:45:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 03:45:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-11-07 03:45:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 03:45:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-11-07 03:45:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 03:45:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-07 03:45:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-11-07 03:45:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-07 03:45:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-11-07 03:45:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-07 03:45:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 03:45:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-11-07 03:45:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-07 03:45:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-11-07 03:45:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-11-07 03:45:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-11-07 03:45:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-07 03:45:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-11-07 03:45:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-11-07 03:45:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-11-07 03:45:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-07 03:45:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-07 03:45:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-07 03:45:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 03:45:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-11-07 03:45:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-11-07 03:45:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-11-07 03:45:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-11-07 03:45:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2019-11-07 03:45:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2019-11-07 03:45:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-11-07 03:45:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2019-11-07 03:45:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2019-11-07 03:45:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-11-07 03:45:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2019-11-07 03:45:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-11-07 03:45:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-11-07 03:45:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-11-07 03:45:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-11-07 03:45:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-11-07 03:45:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2019-11-07 03:45:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-11-07 03:45:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-11-07 03:45:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-11-07 03:45:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-11-07 03:45:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-11-07 03:45:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 03:45:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_25 [2019-11-07 03:45:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-11-07 03:45:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-11-07 03:45:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-11-07 03:45:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-11-07 03:45:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-11-07 03:45:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-11-07 03:45:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-11-07 03:45:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-11-07 03:45:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-11-07 03:45:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-11-07 03:45:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-11-07 03:45:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_5 [2019-11-07 03:45:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-11-07 03:45:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-11-07 03:45:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-11-07 03:45:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-11-07 03:45:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-11-07 03:45:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-11-07 03:45:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 03:45:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-07 03:45:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-11-07 03:45:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-11-07 03:45:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-11-07 03:45:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-11-07 03:45:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-11-07 03:45:07,407 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 03:45:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-11-07 03:45:07,408 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 03:45:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-11-07 03:45:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-11-07 03:45:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-11-07 03:45:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2019-11-07 03:45:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_41 [2019-11-07 03:45:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_35 [2019-11-07 03:45:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2019-11-07 03:45:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_39 [2019-11-07 03:45:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_40 [2019-11-07 03:45:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-07 03:45:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_36 [2019-11-07 03:45:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_37 [2019-11-07 03:45:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_38 [2019-11-07 03:45:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-11-07 03:45:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-11-07 03:45:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2019-11-07 03:45:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2019-11-07 03:45:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-11-07 03:45:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-11-07 03:45:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_42 [2019-11-07 03:45:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-11-07 03:45:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2019-11-07 03:45:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2019-11-07 03:45:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-11-07 03:45:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-11-07 03:45:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-11-07 03:45:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2019-11-07 03:45:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-11-07 03:45:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-11-07 03:45:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-11-07 03:45:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-11-07 03:45:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-11-07 03:45:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-11-07 03:45:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-11-07 03:45:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_49 [2019-11-07 03:45:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-11-07 03:45:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_50 [2019-11-07 03:45:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-11-07 03:45:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-11-07 03:45:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-11-07 03:45:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2019-11-07 03:45:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-11-07 03:45:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-11-07 03:45:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-11-07 03:45:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-11-07 03:45:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-11-07 03:45:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-11-07 03:45:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-11-07 03:45:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_46 [2019-11-07 03:45:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_48 [2019-11-07 03:45:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-11-07 03:45:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-11-07 03:45:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-11-07 03:45:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-11-07 03:45:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-11-07 03:45:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-11-07 03:45:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-11-07 03:45:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-11-07 03:45:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-11-07 03:45:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-11-07 03:45:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-11-07 03:45:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-11-07 03:45:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-11-07 03:45:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_47 [2019-11-07 03:45:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-11-07 03:45:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_45 [2019-11-07 03:45:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-11-07 03:45:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-11-07 03:45:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-11-07 03:45:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-11-07 03:45:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-11-07 03:45:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-11-07 03:45:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2019-11-07 03:45:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2019-11-07 03:45:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2019-11-07 03:45:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2019-11-07 03:45:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure send_end [2019-11-07 03:45:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2019-11-07 03:45:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2019-11-07 03:45:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 03:45:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 03:45:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2019-11-07 03:45:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_led_mode [2019-11-07 03:45:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_set [2019-11-07 03:45:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2019-11-07 03:45:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_find_phyaddr [2019-11-07 03:45:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2019-11-07 03:45:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2019-11-07 03:45:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2019-11-07 03:45:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2019-11-07 03:45:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2019-11-07 03:45:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2019-11-07 03:45:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2019-11-07 03:45:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2019-11-07 03:45:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txcleanup [2019-11-07 03:45:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2019-11-07 03:45:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2019-11-07 03:45:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2019-11-07 03:45:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_frame_type [2019-11-07 03:45:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2019-11-07 03:45:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start_and_end [2019-11-07 03:45:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start [2019-11-07 03:45:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_end [2019-11-07 03:45:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-07 03:45:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_no_start_no_end [2019-11-07 03:45:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_jumbo [2019-11-07 03:45:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx [2019-11-07 03:45:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2019-11-07 03:45:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_interrupt_handler [2019-11-07 03:45:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2019-11-07 03:45:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2019-11-07 03:45:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2019-11-07 03:45:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2019-11-07 03:45:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_hard_start_xmit [2019-11-07 03:45:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_default_param [2019-11-07 03:45:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2019-11-07 03:45:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_init_mii [2019-11-07 03:45:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_hw_init [2019-11-07 03:45:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2019-11-07 03:45:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2019-11-07 03:45:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_settings [2019-11-07 03:45:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_settings [2019-11-07 03:45:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2019-11-07 03:45:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2019-11-07 03:45:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_probe [2019-11-07 03:45:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_init [2019-11-07 03:45:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_exit [2019-11-07 03:45:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-11-07 03:45:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-11-07 03:45:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 03:45:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-11-07 03:45:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 03:45:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 03:45:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 03:45:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 03:45:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 03:45:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 03:45:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 03:45:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-11-07 03:45:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-07 03:45:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-11-07 03:45:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-11-07 03:45:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 03:45:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 03:45:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-11-07 03:45:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 03:45:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 03:45:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 03:45:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 03:45:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 03:45:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 03:45:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 03:45:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 03:45:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 03:45:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 03:45:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 03:45:09,430 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 03:45:16,728 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 03:45:16,728 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-07 03:45:16,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:45:16 BoogieIcfgContainer [2019-11-07 03:45:16,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 03:45:16,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 03:45:16,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 03:45:16,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 03:45:16,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:45:03" (1/3) ... [2019-11-07 03:45:16,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8e45e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:45:16, skipping insertion in model container [2019-11-07 03:45:16,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (2/3) ... [2019-11-07 03:45:16,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8e45e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:45:16, skipping insertion in model container [2019-11-07 03:45:16,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:45:16" (3/3) ... [2019-11-07 03:45:16,739 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2019-11-07 03:45:16,749 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 03:45:16,761 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 03:45:16,774 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 03:45:16,815 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 03:45:16,815 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 03:45:16,815 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 03:45:16,815 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 03:45:16,815 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 03:45:16,815 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 03:45:16,815 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 03:45:16,816 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 03:45:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states. [2019-11-07 03:45:16,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-07 03:45:16,905 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:45:16,907 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 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] [2019-11-07 03:45:16,909 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:45:16,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:45:16,915 INFO L82 PathProgramCache]: Analyzing trace with hash -126588465, now seen corresponding path program 1 times [2019-11-07 03:45:16,925 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:45:16,925 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262724195] [2019-11-07 03:45:16,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:45:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:45:17,826 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-07 03:45:17,827 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262724195] [2019-11-07 03:45:17,828 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:45:17,828 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 03:45:17,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980987384] [2019-11-07 03:45:17,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 03:45:17,834 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:45:17,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 03:45:17,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 03:45:17,852 INFO L87 Difference]: Start difference. First operand 1605 states. Second operand 5 states. [2019-11-07 03:45:18,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:45:18,265 INFO L93 Difference]: Finished difference Result 4536 states and 6072 transitions. [2019-11-07 03:45:18,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 03:45:18,267 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2019-11-07 03:45:18,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:45:18,323 INFO L225 Difference]: With dead ends: 4536 [2019-11-07 03:45:18,323 INFO L226 Difference]: Without dead ends: 2975 [2019-11-07 03:45:18,340 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 03:45:18,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2019-11-07 03:45:18,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2960. [2019-11-07 03:45:18,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2019-11-07 03:45:18,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3896 transitions. [2019-11-07 03:45:18,720 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3896 transitions. Word has length 106 [2019-11-07 03:45:18,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:45:18,720 INFO L462 AbstractCegarLoop]: Abstraction has 2960 states and 3896 transitions. [2019-11-07 03:45:18,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 03:45:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3896 transitions. [2019-11-07 03:45:18,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-07 03:45:18,735 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:45:18,735 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 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] [2019-11-07 03:45:18,736 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:45:18,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:45:18,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1457885131, now seen corresponding path program 1 times [2019-11-07 03:45:18,736 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:45:18,737 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650094367] [2019-11-07 03:45:18,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:45:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:45:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-07 03:45:19,209 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650094367] [2019-11-07 03:45:19,209 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:45:19,209 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 03:45:19,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638956628] [2019-11-07 03:45:19,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 03:45:19,212 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:45:19,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 03:45:19,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 03:45:19,212 INFO L87 Difference]: Start difference. First operand 2960 states and 3896 transitions. Second operand 5 states. [2019-11-07 03:45:19,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:45:19,525 INFO L93 Difference]: Finished difference Result 6543 states and 8616 transitions. [2019-11-07 03:45:19,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 03:45:19,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2019-11-07 03:45:19,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:45:19,572 INFO L225 Difference]: With dead ends: 6543 [2019-11-07 03:45:19,572 INFO L226 Difference]: Without dead ends: 4445 [2019-11-07 03:45:19,586 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 03:45:19,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4445 states. [2019-11-07 03:45:19,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4445 to 4425. [2019-11-07 03:45:19,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4425 states. [2019-11-07 03:45:19,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 5827 transitions. [2019-11-07 03:45:19,815 INFO L78 Accepts]: Start accepts. Automaton has 4425 states and 5827 transitions. Word has length 107 [2019-11-07 03:45:19,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:45:19,815 INFO L462 AbstractCegarLoop]: Abstraction has 4425 states and 5827 transitions. [2019-11-07 03:45:19,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 03:45:19,816 INFO L276 IsEmpty]: Start isEmpty. Operand 4425 states and 5827 transitions. [2019-11-07 03:45:19,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-07 03:45:19,820 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:45:19,821 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 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] [2019-11-07 03:45:19,821 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:45:19,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:45:19,821 INFO L82 PathProgramCache]: Analyzing trace with hash 455208108, now seen corresponding path program 1 times [2019-11-07 03:45:19,822 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:45:19,824 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327844946] [2019-11-07 03:45:19,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:45:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:45:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-07 03:45:20,065 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327844946] [2019-11-07 03:45:20,065 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:45:20,065 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 03:45:20,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678819812] [2019-11-07 03:45:20,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 03:45:20,067 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:45:20,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 03:45:20,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 03:45:20,068 INFO L87 Difference]: Start difference. First operand 4425 states and 5827 transitions. Second operand 5 states. [2019-11-07 03:45:20,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:45:20,354 INFO L93 Difference]: Finished difference Result 8013 states and 10549 transitions. [2019-11-07 03:45:20,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 03:45:20,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2019-11-07 03:45:20,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:45:21,079 INFO L225 Difference]: With dead ends: 8013 [2019-11-07 03:45:21,080 INFO L226 Difference]: Without dead ends: 4449 [2019-11-07 03:45:21,095 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 03:45:21,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4449 states. [2019-11-07 03:45:21,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4449 to 4429. [2019-11-07 03:45:21,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4429 states. [2019-11-07 03:45:21,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4429 states to 4429 states and 5829 transitions. [2019-11-07 03:45:21,307 INFO L78 Accepts]: Start accepts. Automaton has 4429 states and 5829 transitions. Word has length 108 [2019-11-07 03:45:21,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:45:21,307 INFO L462 AbstractCegarLoop]: Abstraction has 4429 states and 5829 transitions. [2019-11-07 03:45:21,307 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 03:45:21,308 INFO L276 IsEmpty]: Start isEmpty. Operand 4429 states and 5829 transitions. [2019-11-07 03:45:21,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-07 03:45:21,312 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:45:21,313 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 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] [2019-11-07 03:45:21,313 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:45:21,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:45:21,313 INFO L82 PathProgramCache]: Analyzing trace with hash -134826702, now seen corresponding path program 1 times [2019-11-07 03:45:21,314 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:45:21,314 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982363224] [2019-11-07 03:45:21,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:45:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:45:21,548 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-07 03:45:21,548 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982363224] [2019-11-07 03:45:21,549 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:45:21,549 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 03:45:21,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289735741] [2019-11-07 03:45:21,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 03:45:21,550 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:45:21,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 03:45:21,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 03:45:21,553 INFO L87 Difference]: Start difference. First operand 4429 states and 5829 transitions. Second operand 5 states. [2019-11-07 03:45:21,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:45:21,910 INFO L93 Difference]: Finished difference Result 7695 states and 10094 transitions. [2019-11-07 03:45:21,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 03:45:21,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2019-11-07 03:45:21,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:45:21,943 INFO L225 Difference]: With dead ends: 7695 [2019-11-07 03:45:21,943 INFO L226 Difference]: Without dead ends: 4126 [2019-11-07 03:45:21,960 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 03:45:21,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2019-11-07 03:45:22,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4109. [2019-11-07 03:45:22,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4109 states. [2019-11-07 03:45:22,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 4109 states and 5374 transitions. [2019-11-07 03:45:22,161 INFO L78 Accepts]: Start accepts. Automaton has 4109 states and 5374 transitions. Word has length 109 [2019-11-07 03:45:22,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:45:22,164 INFO L462 AbstractCegarLoop]: Abstraction has 4109 states and 5374 transitions. [2019-11-07 03:45:22,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 03:45:22,164 INFO L276 IsEmpty]: Start isEmpty. Operand 4109 states and 5374 transitions. [2019-11-07 03:45:22,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-07 03:45:22,171 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:45:22,171 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:45:22,171 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:45:22,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:45:22,172 INFO L82 PathProgramCache]: Analyzing trace with hash 2111987436, now seen corresponding path program 1 times [2019-11-07 03:45:22,172 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:45:22,172 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379773369] [2019-11-07 03:45:22,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:45:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:45:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-07 03:45:22,511 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379773369] [2019-11-07 03:45:22,511 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068607560] [2019-11-07 03:45:22,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 03:45:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:45:23,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 3078 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-07 03:45:23,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 03:45:23,652 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-07 03:45:23,652 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 03:45:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-07 03:45:23,957 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-07 03:45:23,957 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [9] total 14 [2019-11-07 03:45:23,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918063257] [2019-11-07 03:45:23,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 03:45:23,959 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:45:23,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 03:45:23,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-11-07 03:45:23,960 INFO L87 Difference]: Start difference. First operand 4109 states and 5374 transitions. Second operand 7 states. [2019-11-07 03:45:24,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:45:24,526 INFO L93 Difference]: Finished difference Result 9699 states and 12709 transitions. [2019-11-07 03:45:24,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-07 03:45:24,527 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2019-11-07 03:45:24,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:45:24,570 INFO L225 Difference]: With dead ends: 9699 [2019-11-07 03:45:24,570 INFO L226 Difference]: Without dead ends: 6756 [2019-11-07 03:45:24,585 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 238 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2019-11-07 03:45:24,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2019-11-07 03:45:24,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6722. [2019-11-07 03:45:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6722 states. [2019-11-07 03:45:24,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6722 states to 6722 states and 8797 transitions. [2019-11-07 03:45:24,936 INFO L78 Accepts]: Start accepts. Automaton has 6722 states and 8797 transitions. Word has length 122 [2019-11-07 03:45:24,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:45:24,936 INFO L462 AbstractCegarLoop]: Abstraction has 6722 states and 8797 transitions. [2019-11-07 03:45:24,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 03:45:24,937 INFO L276 IsEmpty]: Start isEmpty. Operand 6722 states and 8797 transitions. [2019-11-07 03:45:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-07 03:45:24,949 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:45:24,949 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:45:25,161 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 03:45:25,162 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:45:25,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:45:25,162 INFO L82 PathProgramCache]: Analyzing trace with hash -346609449, now seen corresponding path program 1 times [2019-11-07 03:45:25,162 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:45:25,163 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292980735] [2019-11-07 03:45:25,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:45:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:45:25,598 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-07 03:45:25,599 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292980735] [2019-11-07 03:45:25,599 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051437269] [2019-11-07 03:45:25,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 03:45:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:45:26,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 3080 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-07 03:45:26,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 03:45:26,815 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-07 03:45:26,816 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 03:45:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-07 03:45:27,144 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-07 03:45:27,144 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-11-07 03:45:27,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984817131] [2019-11-07 03:45:27,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 03:45:27,145 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:45:27,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 03:45:27,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-11-07 03:45:27,146 INFO L87 Difference]: Start difference. First operand 6722 states and 8797 transitions. Second operand 7 states. [2019-11-07 03:45:27,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:45:27,738 INFO L93 Difference]: Finished difference Result 14936 states and 19568 transitions. [2019-11-07 03:45:27,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-07 03:45:27,739 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2019-11-07 03:45:27,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:45:27,797 INFO L225 Difference]: With dead ends: 14936 [2019-11-07 03:45:27,797 INFO L226 Difference]: Without dead ends: 9380 [2019-11-07 03:45:27,823 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 238 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-11-07 03:45:27,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9380 states. [2019-11-07 03:45:28,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9380 to 9340. [2019-11-07 03:45:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9340 states. [2019-11-07 03:45:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9340 states to 9340 states and 12230 transitions. [2019-11-07 03:45:28,394 INFO L78 Accepts]: Start accepts. Automaton has 9340 states and 12230 transitions. Word has length 123 [2019-11-07 03:45:28,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:45:28,395 INFO L462 AbstractCegarLoop]: Abstraction has 9340 states and 12230 transitions. [2019-11-07 03:45:28,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 03:45:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 9340 states and 12230 transitions. [2019-11-07 03:45:28,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-07 03:45:28,408 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:45:28,408 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:45:28,618 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 03:45:28,618 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:45:28,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:45:28,619 INFO L82 PathProgramCache]: Analyzing trace with hash -540465453, now seen corresponding path program 1 times [2019-11-07 03:45:28,619 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:45:28,620 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175522224] [2019-11-07 03:45:28,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:45:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:45:29,081 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-07 03:45:29,082 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175522224] [2019-11-07 03:45:29,082 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908336801] [2019-11-07 03:45:29,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 03:45:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:45:29,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 3082 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-07 03:45:29,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 03:45:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-07 03:45:30,001 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 03:45:30,291 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-07 03:45:30,291 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-07 03:45:30,292 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-11-07 03:45:30,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129891558] [2019-11-07 03:45:30,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 03:45:30,293 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:45:30,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 03:45:30,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-11-07 03:45:30,293 INFO L87 Difference]: Start difference. First operand 9340 states and 12230 transitions. Second operand 7 states. [2019-11-07 03:45:30,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:45:30,930 INFO L93 Difference]: Finished difference Result 20170 states and 26433 transitions. [2019-11-07 03:45:30,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-07 03:45:30,931 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2019-11-07 03:45:30,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:45:31,001 INFO L225 Difference]: With dead ends: 20170 [2019-11-07 03:45:31,002 INFO L226 Difference]: Without dead ends: 11996 [2019-11-07 03:45:31,042 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 240 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-11-07 03:45:31,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11996 states. [2019-11-07 03:45:31,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11996 to 9341. [2019-11-07 03:45:31,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9341 states. [2019-11-07 03:45:31,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9341 states to 9341 states and 12231 transitions. [2019-11-07 03:45:31,581 INFO L78 Accepts]: Start accepts. Automaton has 9341 states and 12231 transitions. Word has length 124 [2019-11-07 03:45:31,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:45:31,582 INFO L462 AbstractCegarLoop]: Abstraction has 9341 states and 12231 transitions. [2019-11-07 03:45:31,582 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 03:45:31,582 INFO L276 IsEmpty]: Start isEmpty. Operand 9341 states and 12231 transitions. [2019-11-07 03:45:31,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-07 03:45:31,596 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:45:31,597 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:45:31,816 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 03:45:31,816 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:45:31,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:45:31,816 INFO L82 PathProgramCache]: Analyzing trace with hash 753169118, now seen corresponding path program 1 times [2019-11-07 03:45:31,817 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:45:31,817 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355050489] [2019-11-07 03:45:31,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:45:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:45:32,088 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-07 03:45:32,089 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355050489] [2019-11-07 03:45:32,089 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919121850] [2019-11-07 03:45:32,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 03:45:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:45:33,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 3084 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-07 03:45:33,052 INFO L279 TraceCheckSpWp]: Computing forward predicates...