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 0.1.24-36ac518-m [2019-10-07 12:09:16,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:09:16,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:09:16,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:09:16,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:09:16,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:09:16,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:09:16,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:09:16,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:09:16,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:09:16,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:09:16,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:09:16,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:09:16,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:09:16,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:09:16,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:09:16,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:09:16,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:09:16,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:09:16,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:09:16,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:09:16,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:09:16,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:09:16,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:09:16,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 12:09:16,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 12:09:16,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 12:09:16,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 12:09:16,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 12:09:16,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 12:09:16,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:09:16,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:09:16,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:09:16,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:09:16,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:09:16,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:09:16,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:09:16,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:09:16,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:09:16,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:09:16,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:09:16,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 12:09:16,531 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:09:16,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:09:16,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:09:16,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:09:16,533 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:09:16,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:09:16,534 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:09:16,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:09:16,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:09:16,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:09:16,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:09:16,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:09:16,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:09:16,535 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:09:16,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:09:16,535 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:09:16,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:09:16,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:09:16,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:09:16,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:09:16,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:09:16,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:09:16,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:09:16,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:09:16,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:09:16,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:09:16,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:09:16,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:09:16,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 12:09:16,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:09:16,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:09:16,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:09:16,841 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:09:16,841 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:09:16,842 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2019-10-07 12:09:16,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa9d88e0/1ec3aff89bea4bb89fabe7a96d3dd773/FLAGe02cbfb8c [2019-10-07 12:09:17,711 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:09:17,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2019-10-07 12:09:17,758 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa9d88e0/1ec3aff89bea4bb89fabe7a96d3dd773/FLAGe02cbfb8c [2019-10-07 12:09:18,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa9d88e0/1ec3aff89bea4bb89fabe7a96d3dd773 [2019-10-07 12:09:18,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:09:18,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:09:18,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:09:18,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:09:18,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:09:18,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:09:18" (1/1) ... [2019-10-07 12:09:18,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5393e2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:09:18, skipping insertion in model container [2019-10-07 12:09:18,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:09:18" (1/1) ... [2019-10-07 12:09:18,232 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:09:18,396 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:09:21,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:09:21,320 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:09:21,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:09:22,169 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:09:22,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:09:22 WrapperNode [2019-10-07 12:09:22,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:09:22,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:09:22,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:09:22,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:09:22,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:09:22" (1/1) ... [2019-10-07 12:09:22,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:09:22" (1/1) ... [2019-10-07 12:09:22,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:09:22" (1/1) ... [2019-10-07 12:09:22,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:09:22" (1/1) ... [2019-10-07 12:09:22,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:09:22" (1/1) ... [2019-10-07 12:09:22,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:09:22" (1/1) ... [2019-10-07 12:09:22,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:09:22" (1/1) ... [2019-10-07 12:09:22,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:09:22,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:09:22,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:09:22,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:09:22,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:09:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:09:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:09:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:09:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-07 12:09:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-07 12:09:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 12:09:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 12:09:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 12:09:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 12:09:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 12:09:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 12:09:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 12:09:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 12:09:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 12:09:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 12:09:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 12:09:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 12:09:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 12:09:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 12:09:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-07 12:09:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-07 12:09:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-07 12:09:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-07 12:09:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-07 12:09:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-10-07 12:09:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-10-07 12:09:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 12:09:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-07 12:09:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 12:09:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 12:09:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 12:09:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-07 12:09:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-07 12:09:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-07 12:09:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-07 12:09:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-10-07 12:09:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-10-07 12:09:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2019-10-07 12:09:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-07 12:09:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-10-07 12:09:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-07 12:09:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-07 12:09:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-07 12:09:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2019-10-07 12:09:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-07 12:09:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-07 12:09:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-07 12:09:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 12:09:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 12:09:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 12:09:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-07 12:09:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-07 12:09:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 12:09:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-07 12:09:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-07 12:09:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-07 12:09:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-07 12:09:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-07 12:09:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2019-10-07 12:09:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2019-10-07 12:09:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2019-10-07 12:09:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2019-10-07 12:09:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure send_end [2019-10-07 12:09:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2019-10-07 12:09:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2019-10-07 12:09:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2019-10-07 12:09:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_led_mode [2019-10-07 12:09:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_set [2019-10-07 12:09:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2019-10-07 12:09:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_find_phyaddr [2019-10-07 12:09:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2019-10-07 12:09:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2019-10-07 12:09:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2019-10-07 12:09:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2019-10-07 12:09:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2019-10-07 12:09:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2019-10-07 12:09:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2019-10-07 12:09:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2019-10-07 12:09:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txcleanup [2019-10-07 12:09:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2019-10-07 12:09:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2019-10-07 12:09:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2019-10-07 12:09:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_frame_type [2019-10-07 12:09:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2019-10-07 12:09:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start_and_end [2019-10-07 12:09:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start [2019-10-07 12:09:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_end [2019-10-07 12:09:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_no_start_no_end [2019-10-07 12:09:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_jumbo [2019-10-07 12:09:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx [2019-10-07 12:09:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2019-10-07 12:09:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_interrupt_handler [2019-10-07 12:09:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2019-10-07 12:09:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2019-10-07 12:09:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2019-10-07 12:09:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2019-10-07 12:09:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_hard_start_xmit [2019-10-07 12:09:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_default_param [2019-10-07 12:09:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2019-10-07 12:09:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_init_mii [2019-10-07 12:09:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_hw_init [2019-10-07 12:09:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2019-10-07 12:09:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2019-10-07 12:09:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_settings [2019-10-07 12:09:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_settings [2019-10-07 12:09:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2019-10-07 12:09:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2019-10-07 12:09:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_probe [2019-10-07 12:09:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_init [2019-10-07 12:09:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_exit [2019-10-07 12:09:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-10-07 12:09:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-10-07 12:09:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-07 12:09:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-10-07 12:09:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-10-07 12:09:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-07 12:09:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-07 12:09:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-07 12:09:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-10-07 12:09:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-10-07 12:09:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_5 [2019-10-07 12:09:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-10-07 12:09:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-07 12:09:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-10-07 12:09:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:09:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 12:09:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 12:09:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 12:09:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 12:09:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 12:09:22,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2019-10-07 12:09:22,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2019-10-07 12:09:22,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2019-10-07 12:09:22,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2019-10-07 12:09:22,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2019-10-07 12:09:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_25 [2019-10-07 12:09:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2019-10-07 12:09:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2019-10-07 12:09:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_35 [2019-10-07 12:09:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_36 [2019-10-07 12:09:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_37 [2019-10-07 12:09:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_38 [2019-10-07 12:09:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_39 [2019-10-07 12:09:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_40 [2019-10-07 12:09:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_41 [2019-10-07 12:09:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_42 [2019-10-07 12:09:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2019-10-07 12:09:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2019-10-07 12:09:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_45 [2019-10-07 12:09:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_46 [2019-10-07 12:09:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_47 [2019-10-07 12:09:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_48 [2019-10-07 12:09:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_49 [2019-10-07 12:09:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_50 [2019-10-07 12:09:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 12:09:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 12:09:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 12:09:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 12:09:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 12:09:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 12:09:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:09:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-07 12:09:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-07 12:09:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-07 12:09:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-07 12:09:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 12:09:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-07 12:09:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-07 12:09:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 12:09:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-07 12:09:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-07 12:09:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 12:09:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 12:09:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 12:09:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 12:09:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 12:09:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:09:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-07 12:09:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-07 12:09:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-07 12:09:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-07 12:09:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-07 12:09:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-07 12:09:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-10-07 12:09:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-07 12:09:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-07 12:09:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-07 12:09:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-07 12:09:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-07 12:09:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 12:09:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2019-10-07 12:09:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-07 12:09:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-10-07 12:09:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-07 12:09:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-07 12:09:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-10-07 12:09:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-07 12:09:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2019-10-07 12:09:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 12:09:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 12:09:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-10-07 12:09:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-10-07 12:09:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-10-07 12:09:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-07 12:09:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-07 12:09:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-10-07 12:09:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-10-07 12:09:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-10-07 12:09:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 12:09:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 12:09:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-07 12:09:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-07 12:09:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-07 12:09:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 12:09:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-07 12:09:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-07 12:09:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-07 12:09:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-07 12:09:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-07 12:09:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-07 12:09:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-07 12:09:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-07 12:09:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 12:09:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-07 12:09:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-07 12:09:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-07 12:09:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-07 12:09:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 12:09:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2019-10-07 12:09:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-07 12:09:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 12:09:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 12:09:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 12:09:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 12:09:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 12:09:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:09:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:09:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 12:09:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 12:09:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 12:09:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 12:09:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:09:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 12:09:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-07 12:09:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-07 12:09:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 12:09:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 12:09:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 12:09:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 12:09:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 12:09:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 12:09:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 12:09:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 12:09:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 12:09:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 12:09:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 12:09:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 12:09:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 12:09:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 12:09:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 12:09:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 12:09:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 12:09:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 12:09:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 12:09:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:09:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-07 12:09:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 12:09:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-07 12:09:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 12:09:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 12:09:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 12:09:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 12:09:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 12:09:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:09:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 12:09:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-07 12:09:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 12:09:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-07 12:09:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 12:09:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-07 12:09:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 12:09:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-07 12:09:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 12:09:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-07 12:09:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 12:09:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 12:09:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 12:09:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 12:09:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-07 12:09:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-07 12:09:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-07 12:09:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-07 12:09:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2019-10-07 12:09:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2019-10-07 12:09:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-07 12:09:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2019-10-07 12:09:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2019-10-07 12:09:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-07 12:09:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2019-10-07 12:09:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-10-07 12:09:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-10-07 12:09:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-07 12:09:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-10-07 12:09:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-07 12:09:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2019-10-07 12:09:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-10-07 12:09:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-07 12:09:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-07 12:09:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-07 12:09:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 12:09:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:09:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_25 [2019-10-07 12:09:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 12:09:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-10-07 12:09:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-10-07 12:09:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-07 12:09:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-10-07 12:09:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-10-07 12:09:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-07 12:09:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-07 12:09:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-07 12:09:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-10-07 12:09:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-10-07 12:09:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_5 [2019-10-07 12:09:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-10-07 12:09:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-07 12:09:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-10-07 12:09:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-07 12:09:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-07 12:09:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 12:09:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 12:09:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 12:09:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-07 12:09:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-07 12:09:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-07 12:09:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-07 12:09:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-07 12:09:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-07 12:09:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-07 12:09:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-07 12:09:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-10-07 12:09:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-07 12:09:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-07 12:09:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2019-10-07 12:09:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_41 [2019-10-07 12:09:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_35 [2019-10-07 12:09:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2019-10-07 12:09:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_39 [2019-10-07 12:09:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_40 [2019-10-07 12:09:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 12:09:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_36 [2019-10-07 12:09:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_37 [2019-10-07 12:09:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_38 [2019-10-07 12:09:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-10-07 12:09:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-10-07 12:09:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2019-10-07 12:09:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2019-10-07 12:09:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-07 12:09:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-07 12:09:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_42 [2019-10-07 12:09:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-07 12:09:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2019-10-07 12:09:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2019-10-07 12:09:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-10-07 12:09:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-10-07 12:09:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-10-07 12:09:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2019-10-07 12:09:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-10-07 12:09:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-07 12:09:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-07 12:09:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-07 12:09:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-07 12:09:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-07 12:09:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-07 12:09:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_49 [2019-10-07 12:09:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-07 12:09:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_50 [2019-10-07 12:09:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-07 12:09:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-07 12:09:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-07 12:09:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2019-10-07 12:09:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-07 12:09:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-07 12:09:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-07 12:09:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 12:09:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 12:09:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 12:09:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 12:09:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_46 [2019-10-07 12:09:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_48 [2019-10-07 12:09:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 12:09:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-07 12:09:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 12:09:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-07 12:09:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 12:09:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-07 12:09:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-07 12:09:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-07 12:09:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-07 12:09:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-07 12:09:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-07 12:09:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-07 12:09:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-07 12:09:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_47 [2019-10-07 12:09:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-07 12:09:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_45 [2019-10-07 12:09:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-07 12:09:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-07 12:09:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-07 12:09:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-07 12:09:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 12:09:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-07 12:09:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2019-10-07 12:09:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2019-10-07 12:09:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2019-10-07 12:09:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2019-10-07 12:09:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure send_end [2019-10-07 12:09:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2019-10-07 12:09:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2019-10-07 12:09:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:09:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:09:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2019-10-07 12:09:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_led_mode [2019-10-07 12:09:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_set [2019-10-07 12:09:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2019-10-07 12:09:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_find_phyaddr [2019-10-07 12:09:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2019-10-07 12:09:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2019-10-07 12:09:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2019-10-07 12:09:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2019-10-07 12:09:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2019-10-07 12:09:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2019-10-07 12:09:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2019-10-07 12:09:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2019-10-07 12:09:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txcleanup [2019-10-07 12:09:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2019-10-07 12:09:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2019-10-07 12:09:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2019-10-07 12:09:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_frame_type [2019-10-07 12:09:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2019-10-07 12:09:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start_and_end [2019-10-07 12:09:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start [2019-10-07 12:09:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_end [2019-10-07 12:09:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 12:09:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_no_start_no_end [2019-10-07 12:09:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_jumbo [2019-10-07 12:09:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx [2019-10-07 12:09:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2019-10-07 12:09:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_interrupt_handler [2019-10-07 12:09:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2019-10-07 12:09:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2019-10-07 12:09:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2019-10-07 12:09:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2019-10-07 12:09:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_hard_start_xmit [2019-10-07 12:09:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_default_param [2019-10-07 12:09:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2019-10-07 12:09:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_init_mii [2019-10-07 12:09:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_hw_init [2019-10-07 12:09:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2019-10-07 12:09:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2019-10-07 12:09:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_settings [2019-10-07 12:09:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_settings [2019-10-07 12:09:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2019-10-07 12:09:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2019-10-07 12:09:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_probe [2019-10-07 12:09:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_init [2019-10-07 12:09:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_exit [2019-10-07 12:09:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-10-07 12:09:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-10-07 12:09:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 12:09:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-10-07 12:09:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 12:09:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:09:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 12:09:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 12:09:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 12:09:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 12:09:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 12:09:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-07 12:09:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:09:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-07 12:09:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-07 12:09:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 12:09:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 12:09:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 12:09:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 12:09:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 12:09:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 12:09:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:09:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 12:09:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 12:09:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:09:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 12:09:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 12:09:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 12:09:22,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 12:09:24,600 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 12:09:31,725 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:09:31,725 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-07 12:09:31,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:09:31 BoogieIcfgContainer [2019-10-07 12:09:31,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:09:31,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:09:31,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:09:31,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:09:31,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:09:18" (1/3) ... [2019-10-07 12:09:31,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8ce741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:09:31, skipping insertion in model container [2019-10-07 12:09:31,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:09:22" (2/3) ... [2019-10-07 12:09:31,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8ce741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:09:31, skipping insertion in model container [2019-10-07 12:09:31,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:09:31" (3/3) ... [2019-10-07 12:09:31,735 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2019-10-07 12:09:31,742 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:09:31,752 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:09:31,761 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:09:31,816 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:09:31,816 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:09:31,816 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:09:31,817 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:09:31,817 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:09:31,817 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:09:31,817 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:09:31,817 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:09:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states. [2019-10-07 12:09:31,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-10-07 12:09:31,900 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:09:31,901 INFO L385 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] [2019-10-07 12:09:31,903 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:09:31,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:09:31,908 INFO L82 PathProgramCache]: Analyzing trace with hash -126588465, now seen corresponding path program 1 times [2019-10-07 12:09:31,915 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:09:31,915 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:31,915 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:31,915 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:31,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:09:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:32,726 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:32,727 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:32,727 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:09:32,728 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:09:32,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:09:32,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:09:32,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:09:32,749 INFO L87 Difference]: Start difference. First operand 1605 states. Second operand 5 states. [2019-10-07 12:09:33,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:09:33,236 INFO L93 Difference]: Finished difference Result 4536 states and 6072 transitions. [2019-10-07 12:09:33,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:09:33,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2019-10-07 12:09:33,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:09:33,293 INFO L225 Difference]: With dead ends: 4536 [2019-10-07 12:09:33,293 INFO L226 Difference]: Without dead ends: 2975 [2019-10-07 12:09:33,310 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 12:09:33,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2019-10-07 12:09:33,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2960. [2019-10-07 12:09:33,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2019-10-07 12:09:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3896 transitions. [2019-10-07 12:09:33,631 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3896 transitions. Word has length 106 [2019-10-07 12:09:33,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:09:33,631 INFO L462 AbstractCegarLoop]: Abstraction has 2960 states and 3896 transitions. [2019-10-07 12:09:33,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:09:33,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3896 transitions. [2019-10-07 12:09:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-07 12:09:33,641 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:09:33,642 INFO L385 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] [2019-10-07 12:09:33,642 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:09:33,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:09:33,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1457885131, now seen corresponding path program 1 times [2019-10-07 12:09:33,643 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:09:33,643 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:33,643 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:33,643 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:33,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:09:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:33,922 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:33,923 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:09:33,923 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:09:33,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:09:33,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:09:33,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:09:33,925 INFO L87 Difference]: Start difference. First operand 2960 states and 3896 transitions. Second operand 5 states. [2019-10-07 12:09:34,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:09:34,196 INFO L93 Difference]: Finished difference Result 6543 states and 8616 transitions. [2019-10-07 12:09:34,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:09:34,196 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2019-10-07 12:09:34,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:09:34,226 INFO L225 Difference]: With dead ends: 6543 [2019-10-07 12:09:34,226 INFO L226 Difference]: Without dead ends: 4445 [2019-10-07 12:09:34,237 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 12:09:34,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4445 states. [2019-10-07 12:09:34,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4445 to 4425. [2019-10-07 12:09:34,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4425 states. [2019-10-07 12:09:34,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 5827 transitions. [2019-10-07 12:09:34,467 INFO L78 Accepts]: Start accepts. Automaton has 4425 states and 5827 transitions. Word has length 107 [2019-10-07 12:09:34,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:09:34,468 INFO L462 AbstractCegarLoop]: Abstraction has 4425 states and 5827 transitions. [2019-10-07 12:09:34,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:09:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 4425 states and 5827 transitions. [2019-10-07 12:09:34,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-07 12:09:34,475 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:09:34,475 INFO L385 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] [2019-10-07 12:09:34,475 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:09:34,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:09:34,476 INFO L82 PathProgramCache]: Analyzing trace with hash 455208108, now seen corresponding path program 1 times [2019-10-07 12:09:34,476 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:09:34,476 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:34,476 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:34,477 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:34,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:09:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:34,839 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:34,840 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:34,840 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:09:34,840 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:09:34,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:09:34,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:09:34,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:09:34,843 INFO L87 Difference]: Start difference. First operand 4425 states and 5827 transitions. Second operand 5 states. [2019-10-07 12:09:35,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:09:35,217 INFO L93 Difference]: Finished difference Result 8013 states and 10549 transitions. [2019-10-07 12:09:35,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:09:35,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2019-10-07 12:09:35,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:09:35,249 INFO L225 Difference]: With dead ends: 8013 [2019-10-07 12:09:35,249 INFO L226 Difference]: Without dead ends: 4449 [2019-10-07 12:09:35,264 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 12:09:35,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4449 states. [2019-10-07 12:09:35,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4449 to 4429. [2019-10-07 12:09:35,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4429 states. [2019-10-07 12:09:35,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4429 states to 4429 states and 5829 transitions. [2019-10-07 12:09:35,498 INFO L78 Accepts]: Start accepts. Automaton has 4429 states and 5829 transitions. Word has length 108 [2019-10-07 12:09:35,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:09:35,499 INFO L462 AbstractCegarLoop]: Abstraction has 4429 states and 5829 transitions. [2019-10-07 12:09:35,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:09:35,499 INFO L276 IsEmpty]: Start isEmpty. Operand 4429 states and 5829 transitions. [2019-10-07 12:09:35,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-07 12:09:35,506 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:09:35,507 INFO L385 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] [2019-10-07 12:09:35,507 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:09:35,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:09:35,507 INFO L82 PathProgramCache]: Analyzing trace with hash -134826702, now seen corresponding path program 1 times [2019-10-07 12:09:35,507 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:09:35,508 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:35,508 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:35,508 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:35,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:09:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:35,836 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:35,836 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:35,837 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:09:35,837 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:09:35,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:09:35,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:09:35,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:09:35,838 INFO L87 Difference]: Start difference. First operand 4429 states and 5829 transitions. Second operand 5 states. [2019-10-07 12:09:36,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:09:36,128 INFO L93 Difference]: Finished difference Result 7695 states and 10094 transitions. [2019-10-07 12:09:36,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 12:09:36,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2019-10-07 12:09:36,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:09:36,160 INFO L225 Difference]: With dead ends: 7695 [2019-10-07 12:09:36,160 INFO L226 Difference]: Without dead ends: 4126 [2019-10-07 12:09:36,178 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 12:09:36,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2019-10-07 12:09:36,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4109. [2019-10-07 12:09:36,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4109 states. [2019-10-07 12:09:37,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 4109 states and 5374 transitions. [2019-10-07 12:09:37,177 INFO L78 Accepts]: Start accepts. Automaton has 4109 states and 5374 transitions. Word has length 109 [2019-10-07 12:09:37,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:09:37,180 INFO L462 AbstractCegarLoop]: Abstraction has 4109 states and 5374 transitions. [2019-10-07 12:09:37,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:09:37,181 INFO L276 IsEmpty]: Start isEmpty. Operand 4109 states and 5374 transitions. [2019-10-07 12:09:37,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-07 12:09:37,187 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:09:37,187 INFO L385 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] [2019-10-07 12:09:37,188 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:09:37,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:09:37,188 INFO L82 PathProgramCache]: Analyzing trace with hash 2111987436, now seen corresponding path program 1 times [2019-10-07 12:09:37,188 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:09:37,188 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:37,189 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:37,189 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:37,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:09:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-07 12:09:37,568 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:37,568 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:09:37,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:09:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:38,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 3078 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:09:38,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:09:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:38,643 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:09:38,997 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:38,997 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:09:38,998 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [9] total 14 [2019-10-07 12:09:38,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 12:09:38,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 12:09:38,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-10-07 12:09:39,000 INFO L87 Difference]: Start difference. First operand 4109 states and 5374 transitions. Second operand 7 states. [2019-10-07 12:09:39,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:09:39,639 INFO L93 Difference]: Finished difference Result 9699 states and 12709 transitions. [2019-10-07 12:09:39,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 12:09:39,640 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2019-10-07 12:09:39,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:09:39,685 INFO L225 Difference]: With dead ends: 9699 [2019-10-07 12:09:39,685 INFO L226 Difference]: Without dead ends: 6756 [2019-10-07 12:09:39,700 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 238 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2019-10-07 12:09:39,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2019-10-07 12:09:39,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6722. [2019-10-07 12:09:39,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6722 states. [2019-10-07 12:09:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6722 states to 6722 states and 8797 transitions. [2019-10-07 12:09:40,037 INFO L78 Accepts]: Start accepts. Automaton has 6722 states and 8797 transitions. Word has length 122 [2019-10-07 12:09:40,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:09:40,037 INFO L462 AbstractCegarLoop]: Abstraction has 6722 states and 8797 transitions. [2019-10-07 12:09:40,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 12:09:40,038 INFO L276 IsEmpty]: Start isEmpty. Operand 6722 states and 8797 transitions. [2019-10-07 12:09:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-10-07 12:09:40,049 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:09:40,049 INFO L385 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] [2019-10-07 12:09:40,265 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:09:40,266 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:09:40,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:09:40,266 INFO L82 PathProgramCache]: Analyzing trace with hash -346609449, now seen corresponding path program 1 times [2019-10-07 12:09:40,266 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:09:40,267 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:40,267 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:40,267 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:40,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:09:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:40,678 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:40,678 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:09:40,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:09:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:41,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 3080 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:09:41,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:09:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:41,734 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:09:42,150 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:42,152 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:09:42,152 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-07 12:09:42,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 12:09:42,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 12:09:42,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-07 12:09:42,153 INFO L87 Difference]: Start difference. First operand 6722 states and 8797 transitions. Second operand 7 states. [2019-10-07 12:09:42,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:09:42,744 INFO L93 Difference]: Finished difference Result 14936 states and 19568 transitions. [2019-10-07 12:09:42,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 12:09:42,745 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2019-10-07 12:09:42,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:09:42,818 INFO L225 Difference]: With dead ends: 14936 [2019-10-07 12:09:42,818 INFO L226 Difference]: Without dead ends: 9380 [2019-10-07 12:09:42,845 INFO L606 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 [2019-10-07 12:09:42,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9380 states. [2019-10-07 12:09:43,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9380 to 9340. [2019-10-07 12:09:43,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9340 states. [2019-10-07 12:09:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9340 states to 9340 states and 12230 transitions. [2019-10-07 12:09:43,308 INFO L78 Accepts]: Start accepts. Automaton has 9340 states and 12230 transitions. Word has length 123 [2019-10-07 12:09:43,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:09:43,310 INFO L462 AbstractCegarLoop]: Abstraction has 9340 states and 12230 transitions. [2019-10-07 12:09:43,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 12:09:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 9340 states and 12230 transitions. [2019-10-07 12:09:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-07 12:09:43,324 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:09:43,325 INFO L385 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] [2019-10-07 12:09:43,535 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:09:43,535 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:09:43,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:09:43,536 INFO L82 PathProgramCache]: Analyzing trace with hash -540465453, now seen corresponding path program 1 times [2019-10-07 12:09:43,536 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:09:43,537 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:43,537 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:43,537 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:43,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:09:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:44,039 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:44,039 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:44,040 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:09:44,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:09:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:44,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 3082 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:09:45,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:09:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:45,130 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:09:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:45,481 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:09:45,481 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-07 12:09:45,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 12:09:45,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 12:09:45,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-07 12:09:45,487 INFO L87 Difference]: Start difference. First operand 9340 states and 12230 transitions. Second operand 7 states. [2019-10-07 12:09:46,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:09:46,136 INFO L93 Difference]: Finished difference Result 20170 states and 26433 transitions. [2019-10-07 12:09:46,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 12:09:46,137 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2019-10-07 12:09:46,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:09:46,324 INFO L225 Difference]: With dead ends: 20170 [2019-10-07 12:09:46,325 INFO L226 Difference]: Without dead ends: 11996 [2019-10-07 12:09:46,356 INFO L606 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 [2019-10-07 12:09:46,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11996 states. [2019-10-07 12:09:46,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11996 to 9341. [2019-10-07 12:09:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9341 states. [2019-10-07 12:09:46,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9341 states to 9341 states and 12231 transitions. [2019-10-07 12:09:46,789 INFO L78 Accepts]: Start accepts. Automaton has 9341 states and 12231 transitions. Word has length 124 [2019-10-07 12:09:46,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:09:46,790 INFO L462 AbstractCegarLoop]: Abstraction has 9341 states and 12231 transitions. [2019-10-07 12:09:46,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 12:09:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand 9341 states and 12231 transitions. [2019-10-07 12:09:46,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 12:09:46,802 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:09:46,802 INFO L385 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] [2019-10-07 12:09:47,012 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:09:47,013 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:09:47,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:09:47,013 INFO L82 PathProgramCache]: Analyzing trace with hash 753169118, now seen corresponding path program 1 times [2019-10-07 12:09:47,014 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:09:47,014 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:47,014 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:47,014 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:47,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:09:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:47,292 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:47,292 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:09:47,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:09:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:48,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 3084 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 12:09:48,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:09:48,335 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:48,335 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:09:48,617 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 12:09:48,618 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 12:09:48,618 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-07 12:09:48,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 12:09:48,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 12:09:48,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-07 12:09:48,619 INFO L87 Difference]: Start difference. First operand 9341 states and 12231 transitions. Second operand 7 states. [2019-10-07 12:09:49,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:09:49,289 INFO L93 Difference]: Finished difference Result 20173 states and 26434 transitions. [2019-10-07 12:09:49,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 12:09:49,290 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 125 [2019-10-07 12:09:49,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:09:49,343 INFO L225 Difference]: With dead ends: 20173 [2019-10-07 12:09:49,343 INFO L226 Difference]: Without dead ends: 11998 [2019-10-07 12:09:49,376 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 242 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-07 12:09:49,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11998 states. [2019-10-07 12:09:49,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11998 to 9342. [2019-10-07 12:09:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9342 states. [2019-10-07 12:09:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9342 states to 9342 states and 12230 transitions. [2019-10-07 12:09:49,810 INFO L78 Accepts]: Start accepts. Automaton has 9342 states and 12230 transitions. Word has length 125 [2019-10-07 12:09:49,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:09:49,811 INFO L462 AbstractCegarLoop]: Abstraction has 9342 states and 12230 transitions. [2019-10-07 12:09:49,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 12:09:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 9342 states and 12230 transitions. [2019-10-07 12:09:49,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-07 12:09:49,823 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:09:49,823 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:09:50,032 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:09:50,033 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:09:50,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:09:50,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1229172058, now seen corresponding path program 1 times [2019-10-07 12:09:50,033 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:09:50,034 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:50,034 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:50,034 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:50,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:09:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:50,421 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-10-07 12:09:50,421 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:50,422 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:09:50,422 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:09:50,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:09:50,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:09:50,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:09:50,424 INFO L87 Difference]: Start difference. First operand 9342 states and 12230 transitions. Second operand 5 states. [2019-10-07 12:09:54,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:09:54,768 INFO L93 Difference]: Finished difference Result 27904 states and 36631 transitions. [2019-10-07 12:09:54,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 12:09:54,769 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2019-10-07 12:09:54,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:09:54,848 INFO L225 Difference]: With dead ends: 27904 [2019-10-07 12:09:54,848 INFO L226 Difference]: Without dead ends: 18593 [2019-10-07 12:09:54,878 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:09:54,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18593 states. [2019-10-07 12:09:55,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18593 to 18488. [2019-10-07 12:09:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18488 states. [2019-10-07 12:09:55,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18488 states to 18488 states and 24288 transitions. [2019-10-07 12:09:55,577 INFO L78 Accepts]: Start accepts. Automaton has 18488 states and 24288 transitions. Word has length 136 [2019-10-07 12:09:55,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:09:55,580 INFO L462 AbstractCegarLoop]: Abstraction has 18488 states and 24288 transitions. [2019-10-07 12:09:55,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:09:55,580 INFO L276 IsEmpty]: Start isEmpty. Operand 18488 states and 24288 transitions. [2019-10-07 12:09:55,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 12:09:55,592 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:09:55,592 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:09:55,592 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:09:55,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:09:55,593 INFO L82 PathProgramCache]: Analyzing trace with hash 550887464, now seen corresponding path program 1 times [2019-10-07 12:09:55,593 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:09:55,593 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:55,593 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:55,594 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:55,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:09:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:55,821 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-10-07 12:09:55,822 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:55,822 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:09:55,822 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:09:55,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:09:55,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:09:55,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:09:55,823 INFO L87 Difference]: Start difference. First operand 18488 states and 24288 transitions. Second operand 3 states. [2019-10-07 12:09:56,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:09:56,228 INFO L93 Difference]: Finished difference Result 21639 states and 28174 transitions. [2019-10-07 12:09:56,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:09:56,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-10-07 12:09:56,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:09:56,319 INFO L225 Difference]: With dead ends: 21639 [2019-10-07 12:09:56,319 INFO L226 Difference]: Without dead ends: 21636 [2019-10-07 12:09:56,329 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:09:56,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21636 states. [2019-10-07 12:09:57,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21636 to 21636. [2019-10-07 12:09:57,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21636 states. [2019-10-07 12:09:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21636 states to 21636 states and 28158 transitions. [2019-10-07 12:09:57,171 INFO L78 Accepts]: Start accepts. Automaton has 21636 states and 28158 transitions. Word has length 135 [2019-10-07 12:09:57,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:09:57,173 INFO L462 AbstractCegarLoop]: Abstraction has 21636 states and 28158 transitions. [2019-10-07 12:09:57,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:09:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 21636 states and 28158 transitions. [2019-10-07 12:09:57,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-07 12:09:57,209 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:09:57,210 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:09:57,210 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:09:57,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:09:57,211 INFO L82 PathProgramCache]: Analyzing trace with hash -801884514, now seen corresponding path program 1 times [2019-10-07 12:09:57,211 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:09:57,211 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:57,212 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:57,212 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:09:57,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:09:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-10-07 12:09:57,552 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:09:57,552 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:09:57,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:09:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:09:59,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 3398 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-07 12:09:59,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:09:59,632 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-10-07 12:09:59,633 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:09:59,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 12:10:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-10-07 12:10:00,212 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 12:10:00,241 INFO L162 IcfgInterpreter]: Started Sifa with 120 locations of interest [2019-10-07 12:10:00,241 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 12:10:00,249 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 12:10:00,257 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 12:10:00,258 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 12:10:02,655 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 1910 [2019-10-07 12:13:31,897 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 1953 [2019-10-07 12:13:32,923 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1956 [2019-10-07 12:13:33,971 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1959 [2019-10-07 12:13:34,997 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1962 [2019-10-07 12:13:36,111 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1965 [2019-10-07 12:13:37,131 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1968 [2019-10-07 12:13:38,155 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1971 [2019-10-07 12:13:44,777 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 135 [2019-10-07 12:13:45,643 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1959 [2019-10-07 12:13:46,492 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1959 [2019-10-07 12:13:47,329 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1959 [2019-10-07 12:13:48,726 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 2153 [2019-10-07 12:13:50,017 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 2153 [2019-10-07 12:13:51,287 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 2153 [2019-10-07 12:13:52,633 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 2153 [2019-10-07 12:13:55,078 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 2155 DAG size of output: 2153 [2019-10-07 12:13:56,362 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 2153 [2019-10-07 12:13:56,478 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2019-10-07 12:13:57,886 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 2153 [2019-10-07 12:13:59,160 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 2153 [2019-10-07 12:14:00,444 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 2153 [2019-10-07 12:14:01,788 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 2153 [2019-10-07 12:14:01,831 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 454 for LOIs [2019-10-07 12:14:02,723 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 1914 [2019-10-07 12:14:03,344 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1914 [2019-10-07 12:14:04,441 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 2108 [2019-10-07 12:14:04,444 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 2209 for LOIs [2019-10-07 12:14:05,724 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 2209 [2019-10-07 12:14:07,011 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 2209 [2019-10-07 12:14:07,136 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 12:14:08,823 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 2359 [2019-10-07 12:14:10,655 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 2229 [2019-10-07 12:14:11,925 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 2229 [2019-10-07 12:14:12,050 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 12:14:13,768 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 2383 [2019-10-07 12:15:12,354 WARN L191 SmtUtils]: Spent 52.38 s on a formula simplification that was a NOOP. DAG size: 3675 [2019-10-07 12:15:19,977 WARN L191 SmtUtils]: Spent 7.11 s on a formula simplification that was a NOOP. DAG size: 5229 [2019-10-07 12:16:05,789 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-10-07 12:16:12,875 WARN L191 SmtUtils]: Spent 7.07 s on a formula simplification. DAG size of input: 5263 DAG size of output: 5251 [2019-10-07 12:16:13,182 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:16:13,183 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 12:16:13,189 INFO L168 Benchmark]: Toolchain (without parser) took 414975.91 ms. Allocated memory was 135.8 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 88.5 MB in the beginning and 745.8 MB in the end (delta: -657.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-10-07 12:16:13,190 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 12:16:13,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3953.77 ms. Allocated memory was 135.8 MB in the beginning and 265.8 MB in the end (delta: 130.0 MB). Free memory was 88.3 MB in the beginning and 76.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 142.1 MB. Max. memory is 7.1 GB. [2019-10-07 12:16:13,191 INFO L168 Benchmark]: Boogie Preprocessor took 415.87 ms. Allocated memory was 265.8 MB in the beginning and 275.3 MB in the end (delta: 9.4 MB). Free memory was 76.3 MB in the beginning and 195.9 MB in the end (delta: -119.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-10-07 12:16:13,192 INFO L168 Benchmark]: RCFGBuilder took 9140.88 ms. Allocated memory was 275.3 MB in the beginning and 424.1 MB in the end (delta: 148.9 MB). Free memory was 195.9 MB in the beginning and 182.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 308.9 MB. Max. memory is 7.1 GB. [2019-10-07 12:16:13,193 INFO L168 Benchmark]: TraceAbstraction took 401458.59 ms. Allocated memory was 424.1 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 182.3 MB in the beginning and 745.8 MB in the end (delta: -563.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-10-07 12:16:13,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3953.77 ms. Allocated memory was 135.8 MB in the beginning and 265.8 MB in the end (delta: 130.0 MB). Free memory was 88.3 MB in the beginning and 76.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 142.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 415.87 ms. Allocated memory was 265.8 MB in the beginning and 275.3 MB in the end (delta: 9.4 MB). Free memory was 76.3 MB in the beginning and 195.9 MB in the end (delta: -119.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9140.88 ms. Allocated memory was 275.3 MB in the beginning and 424.1 MB in the end (delta: 148.9 MB). Free memory was 195.9 MB in the beginning and 182.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 308.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 401458.59 ms. Allocated memory was 424.1 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 182.3 MB in the beginning and 745.8 MB in the end (delta: -563.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...