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-f4eb214f-m [2019-10-13 22:50:38,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:50:38,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:50:38,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:50:38,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:50:38,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:50:38,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:50:38,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:50:38,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:50:38,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:50:38,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:50:38,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:50:38,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:50:38,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:50:38,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:50:38,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:50:38,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:50:38,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:50:38,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:50:38,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:50:38,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:50:38,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:50:38,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:50:38,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:50:38,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:50:38,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:50:38,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:50:38,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:50:38,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:50:38,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:50:38,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:50:38,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:50:38,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:50:38,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:50:38,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:50:38,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:50:38,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:50:38,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:50:38,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:50:38,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:50:38,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:50:38,589 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 [2019-10-13 22:50:38,616 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:50:38,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:50:38,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:50:38,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:50:38,619 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:50:38,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:50:38,620 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:50:38,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:50:38,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:50:38,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:50:38,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:50:38,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:50:38,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:50:38,622 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:50:38,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:50:38,622 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:50:38,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:50:38,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:50:38,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:50:38,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:50:38,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:50:38,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:50:38,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:50:38,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:50:38,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:50:38,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:50:38,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:50:38,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:50:38,625 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 [2019-10-13 22:50:38,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:50:38,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:50:38,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:50:38,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:50:38,927 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:50:38,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2019-10-13 22:50:39,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73692060e/99f812877c3d4a52ac2392ee579d2576/FLAG04533ce09 [2019-10-13 22:50:39,794 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:50:39,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2019-10-13 22:50:39,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73692060e/99f812877c3d4a52ac2392ee579d2576/FLAG04533ce09 [2019-10-13 22:50:40,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73692060e/99f812877c3d4a52ac2392ee579d2576 [2019-10-13 22:50:40,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:50:40,325 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:50:40,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:50:40,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:50:40,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:50:40,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:50:40" (1/1) ... [2019-10-13 22:50:40,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ef7b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:40, skipping insertion in model container [2019-10-13 22:50:40,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:50:40" (1/1) ... [2019-10-13 22:50:40,342 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:50:40,500 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:50:43,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:50:43,144 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:50:43,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:50:43,973 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:50:43,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:43 WrapperNode [2019-10-13 22:50:43,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:50:43,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:50:43,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:50:43,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:50:43,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:43" (1/1) ... [2019-10-13 22:50:43,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:43" (1/1) ... [2019-10-13 22:50:44,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:43" (1/1) ... [2019-10-13 22:50:44,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:43" (1/1) ... [2019-10-13 22:50:44,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:43" (1/1) ... [2019-10-13 22:50:44,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:43" (1/1) ... [2019-10-13 22:50:44,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:43" (1/1) ... [2019-10-13 22:50:44,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:50:44,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:50:44,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:50:44,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:50:44,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:43" (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 [2019-10-13 22:50:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:50:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:50:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-13 22:50:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-13 22:50:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 22:50:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 22:50:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 22:50:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:50:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:50:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 22:50:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 22:50:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:50:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:50:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:50:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:50:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:50:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 22:50:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:50:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-13 22:50:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-13 22:50:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-13 22:50:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-13 22:50:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 22:50:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-10-13 22:50:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-10-13 22:50:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 22:50:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-13 22:50:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 22:50:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:50:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:50:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-13 22:50:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-13 22:50:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-13 22:50:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-13 22:50:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-10-13 22:50:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-10-13 22:50:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2019-10-13 22:50:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 22:50:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-10-13 22:50:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-13 22:50:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-13 22:50:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-13 22:50:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2019-10-13 22:50:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-13 22:50:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-13 22:50:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-13 22:50:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 22:50:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 22:50:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 22:50:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-13 22:50:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-13 22:50:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 22:50:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-13 22:50:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-13 22:50:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-13 22:50:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-13 22:50:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-13 22:50:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2019-10-13 22:50:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2019-10-13 22:50:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2019-10-13 22:50:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2019-10-13 22:50:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure send_end [2019-10-13 22:50:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2019-10-13 22:50:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2019-10-13 22:50:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2019-10-13 22:50:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_led_mode [2019-10-13 22:50:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_set [2019-10-13 22:50:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2019-10-13 22:50:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_find_phyaddr [2019-10-13 22:50:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2019-10-13 22:50:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2019-10-13 22:50:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2019-10-13 22:50:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2019-10-13 22:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2019-10-13 22:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2019-10-13 22:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2019-10-13 22:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2019-10-13 22:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txcleanup [2019-10-13 22:50:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2019-10-13 22:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2019-10-13 22:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2019-10-13 22:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_frame_type [2019-10-13 22:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2019-10-13 22:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start_and_end [2019-10-13 22:50:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start [2019-10-13 22:50:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_end [2019-10-13 22:50:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_no_start_no_end [2019-10-13 22:50:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_jumbo [2019-10-13 22:50:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx [2019-10-13 22:50:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2019-10-13 22:50:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_interrupt_handler [2019-10-13 22:50:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2019-10-13 22:50:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2019-10-13 22:50:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2019-10-13 22:50:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2019-10-13 22:50:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_hard_start_xmit [2019-10-13 22:50:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_default_param [2019-10-13 22:50:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2019-10-13 22:50:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_init_mii [2019-10-13 22:50:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_hw_init [2019-10-13 22:50:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2019-10-13 22:50:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2019-10-13 22:50:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_settings [2019-10-13 22:50:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_settings [2019-10-13 22:50:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2019-10-13 22:50:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2019-10-13 22:50:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_probe [2019-10-13 22:50:44,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_init [2019-10-13 22:50:44,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_exit [2019-10-13 22:50:44,353 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-10-13 22:50:44,353 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-10-13 22:50:44,353 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-13 22:50:44,353 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-10-13 22:50:44,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-10-13 22:50:44,354 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-13 22:50:44,354 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-13 22:50:44,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-13 22:50:44,354 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-10-13 22:50:44,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-10-13 22:50:44,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_5 [2019-10-13 22:50:44,354 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-10-13 22:50:44,355 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-13 22:50:44,355 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-10-13 22:50:44,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:50:44,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 22:50:44,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 22:50:44,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 22:50:44,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 22:50:44,356 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:50:44,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2019-10-13 22:50:44,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2019-10-13 22:50:44,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2019-10-13 22:50:44,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2019-10-13 22:50:44,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2019-10-13 22:50:44,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_25 [2019-10-13 22:50:44,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2019-10-13 22:50:44,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2019-10-13 22:50:44,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_35 [2019-10-13 22:50:44,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_36 [2019-10-13 22:50:44,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_37 [2019-10-13 22:50:44,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_38 [2019-10-13 22:50:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_39 [2019-10-13 22:50:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_40 [2019-10-13 22:50:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_41 [2019-10-13 22:50:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_42 [2019-10-13 22:50:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2019-10-13 22:50:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2019-10-13 22:50:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_45 [2019-10-13 22:50:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_46 [2019-10-13 22:50:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_47 [2019-10-13 22:50:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_48 [2019-10-13 22:50:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_49 [2019-10-13 22:50:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_50 [2019-10-13 22:50:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:50:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:50:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:50:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:50:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:50:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 22:50:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:50:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 22:50:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 22:50:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 22:50:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 22:50:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 22:50:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-13 22:50:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 22:50:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 22:50:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-13 22:50:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-13 22:50:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:50:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 22:50:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 22:50:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 22:50:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 22:50:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:50:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-13 22:50:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-13 22:50:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-13 22:50:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-13 22:50:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-13 22:50:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-13 22:50:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-10-13 22:50:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-13 22:50:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-13 22:50:44,364 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-13 22:50:44,364 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-13 22:50:44,364 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 22:50:44,364 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 22:50:44,364 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2019-10-13 22:50:44,364 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-13 22:50:44,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-10-13 22:50:44,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-13 22:50:44,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-13 22:50:44,365 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-10-13 22:50:44,365 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-13 22:50:44,365 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2019-10-13 22:50:44,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:50:44,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:50:44,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-10-13 22:50:44,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-10-13 22:50:44,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-10-13 22:50:44,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 22:50:44,366 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 22:50:44,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-10-13 22:50:44,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-10-13 22:50:44,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-10-13 22:50:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 22:50:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:50:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-13 22:50:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-13 22:50:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-13 22:50:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 22:50:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-13 22:50:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-13 22:50:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-13 22:50:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-13 22:50:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-13 22:50:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-13 22:50:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-13 22:50:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-13 22:50:44,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:50:44,369 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-13 22:50:44,369 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 22:50:44,369 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-13 22:50:44,369 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 22:50:44,369 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 22:50:44,369 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2019-10-13 22:50:44,370 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 22:50:44,370 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:50:44,370 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:50:44,370 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:50:44,370 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:50:44,370 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:50:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:50:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:50:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:50:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 22:50:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 22:50:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 22:50:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:50:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:50:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 22:50:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 22:50:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:50:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:50:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:50:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:50:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:50:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:50:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:50:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:50:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:50:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:50:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:50:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 22:50:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 22:50:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:50:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:50:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:50:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:50:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:50:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 22:50:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:50:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-13 22:50:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:50:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 22:50:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:50:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 22:50:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 22:50:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 22:50:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 22:50:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:50:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:50:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-13 22:50:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 22:50:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-13 22:50:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 22:50:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-13 22:50:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 22:50:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-13 22:50:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 22:50:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 22:50:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:50:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 22:50:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 22:50:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:50:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-13 22:50:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-13 22:50:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 22:50:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 22:50:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2019-10-13 22:50:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2019-10-13 22:50:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-13 22:50:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2019-10-13 22:50:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2019-10-13 22:50:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-13 22:50:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2019-10-13 22:50:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-10-13 22:50:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-10-13 22:50:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-13 22:50:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-10-13 22:50:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-13 22:50:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2019-10-13 22:50:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-10-13 22:50:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-13 22:50:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-13 22:50:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-13 22:50:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 22:50:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:50:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_25 [2019-10-13 22:50:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 22:50:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-10-13 22:50:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-10-13 22:50:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-13 22:50:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-10-13 22:50:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-10-13 22:50:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-13 22:50:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-13 22:50:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-13 22:50:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-10-13 22:50:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-10-13 22:50:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_5 [2019-10-13 22:50:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-10-13 22:50:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-13 22:50:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-10-13 22:50:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-13 22:50:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-13 22:50:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 22:50:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:50:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:50:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-13 22:50:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-13 22:50:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-13 22:50:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-13 22:50:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-13 22:50:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-13 22:50:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-13 22:50:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-13 22:50:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-10-13 22:50:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-13 22:50:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-13 22:50:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2019-10-13 22:50:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_41 [2019-10-13 22:50:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_35 [2019-10-13 22:50:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2019-10-13 22:50:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_39 [2019-10-13 22:50:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_40 [2019-10-13 22:50:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 22:50:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_36 [2019-10-13 22:50:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_37 [2019-10-13 22:50:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_38 [2019-10-13 22:50:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-10-13 22:50:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-10-13 22:50:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2019-10-13 22:50:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2019-10-13 22:50:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 22:50:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 22:50:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_42 [2019-10-13 22:50:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 22:50:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2019-10-13 22:50:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2019-10-13 22:50:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-10-13 22:50:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-10-13 22:50:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-10-13 22:50:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2019-10-13 22:50:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-10-13 22:50:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-13 22:50:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-13 22:50:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-13 22:50:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-13 22:50:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-13 22:50:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-13 22:50:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_49 [2019-10-13 22:50:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-13 22:50:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_50 [2019-10-13 22:50:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-13 22:50:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-13 22:50:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-13 22:50:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2019-10-13 22:50:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-13 22:50:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-13 22:50:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-13 22:50:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 22:50:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 22:50:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 22:50:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 22:50:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_46 [2019-10-13 22:50:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_48 [2019-10-13 22:50:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 22:50:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-13 22:50:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 22:50:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-13 22:50:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 22:50:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-13 22:50:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-13 22:50:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-13 22:50:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-13 22:50:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-13 22:50:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-13 22:50:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-13 22:50:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-13 22:50:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_47 [2019-10-13 22:50:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 22:50:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_45 [2019-10-13 22:50:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-13 22:50:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-13 22:50:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-13 22:50:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-13 22:50:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-13 22:50:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-13 22:50:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2019-10-13 22:50:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2019-10-13 22:50:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2019-10-13 22:50:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2019-10-13 22:50:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure send_end [2019-10-13 22:50:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2019-10-13 22:50:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2019-10-13 22:50:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:50:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:50:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2019-10-13 22:50:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_led_mode [2019-10-13 22:50:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_set [2019-10-13 22:50:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2019-10-13 22:50:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_find_phyaddr [2019-10-13 22:50:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2019-10-13 22:50:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2019-10-13 22:50:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2019-10-13 22:50:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2019-10-13 22:50:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2019-10-13 22:50:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2019-10-13 22:50:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2019-10-13 22:50:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2019-10-13 22:50:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txcleanup [2019-10-13 22:50:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2019-10-13 22:50:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2019-10-13 22:50:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2019-10-13 22:50:44,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_frame_type [2019-10-13 22:50:44,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2019-10-13 22:50:44,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start_and_end [2019-10-13 22:50:44,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start [2019-10-13 22:50:44,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_end [2019-10-13 22:50:44,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:50:44,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_no_start_no_end [2019-10-13 22:50:44,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_jumbo [2019-10-13 22:50:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx [2019-10-13 22:50:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2019-10-13 22:50:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_interrupt_handler [2019-10-13 22:50:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2019-10-13 22:50:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2019-10-13 22:50:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2019-10-13 22:50:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2019-10-13 22:50:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_hard_start_xmit [2019-10-13 22:50:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_default_param [2019-10-13 22:50:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2019-10-13 22:50:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_init_mii [2019-10-13 22:50:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_hw_init [2019-10-13 22:50:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2019-10-13 22:50:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2019-10-13 22:50:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_settings [2019-10-13 22:50:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_settings [2019-10-13 22:50:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2019-10-13 22:50:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2019-10-13 22:50:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_probe [2019-10-13 22:50:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_init [2019-10-13 22:50:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_exit [2019-10-13 22:50:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-10-13 22:50:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-10-13 22:50:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:50:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-10-13 22:50:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:50:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:50:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:50:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:50:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:50:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:50:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:50:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 22:50:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:50:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 22:50:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 22:50:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:50:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:50:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-13 22:50:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 22:50:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:50:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:50:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:50:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:50:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:50:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:50:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:50:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:50:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:50:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:50:45,938 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:50:52,389 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:50:52,390 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-13 22:50:52,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:50:52 BoogieIcfgContainer [2019-10-13 22:50:52,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:50:52,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:50:52,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:50:52,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:50:52,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:50:40" (1/3) ... [2019-10-13 22:50:52,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8ec898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:50:52, skipping insertion in model container [2019-10-13 22:50:52,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:50:43" (2/3) ... [2019-10-13 22:50:52,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8ec898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:50:52, skipping insertion in model container [2019-10-13 22:50:52,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:50:52" (3/3) ... [2019-10-13 22:50:52,402 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2019-10-13 22:50:52,412 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:50:52,424 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:50:52,435 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:50:52,477 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:50:52,477 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:50:52,477 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:50:52,477 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:50:52,477 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:50:52,478 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:50:52,478 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:50:52,478 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:50:52,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states. [2019-10-13 22:50:52,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-10-13 22:50:52,565 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:50:52,567 INFO L380 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] [2019-10-13 22:50:52,569 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:50:52,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:50:52,574 INFO L82 PathProgramCache]: Analyzing trace with hash -126588465, now seen corresponding path program 1 times [2019-10-13 22:50:52,583 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:50:52,583 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427000526] [2019-10-13 22:50:52,584 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:52,584 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:52,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:50:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:50:53,392 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-13 22:50:53,393 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427000526] [2019-10-13 22:50:53,394 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:50:53,394 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:50:53,395 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143703416] [2019-10-13 22:50:53,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:50:53,402 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:50:53,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:50:53,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:50:53,422 INFO L87 Difference]: Start difference. First operand 1605 states. Second operand 5 states. [2019-10-13 22:50:53,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:50:53,909 INFO L93 Difference]: Finished difference Result 4536 states and 6072 transitions. [2019-10-13 22:50:53,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:50:53,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2019-10-13 22:50:53,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:50:53,969 INFO L225 Difference]: With dead ends: 4536 [2019-10-13 22:50:53,969 INFO L226 Difference]: Without dead ends: 2975 [2019-10-13 22:50:53,985 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:50:54,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2019-10-13 22:50:54,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2960. [2019-10-13 22:50:54,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2019-10-13 22:50:54,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3896 transitions. [2019-10-13 22:50:54,362 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3896 transitions. Word has length 106 [2019-10-13 22:50:54,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:50:54,363 INFO L462 AbstractCegarLoop]: Abstraction has 2960 states and 3896 transitions. [2019-10-13 22:50:54,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:50:54,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3896 transitions. [2019-10-13 22:50:54,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 22:50:54,378 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:50:54,379 INFO L380 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] [2019-10-13 22:50:54,379 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:50:54,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:50:54,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1457885131, now seen corresponding path program 1 times [2019-10-13 22:50:54,380 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:50:54,380 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042281817] [2019-10-13 22:50:54,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:54,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:54,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:50:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:50:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-13 22:50:54,805 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042281817] [2019-10-13 22:50:54,806 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:50:54,806 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:50:54,806 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502934046] [2019-10-13 22:50:54,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:50:54,808 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:50:54,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:50:54,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:50:54,809 INFO L87 Difference]: Start difference. First operand 2960 states and 3896 transitions. Second operand 5 states. [2019-10-13 22:50:55,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:50:55,178 INFO L93 Difference]: Finished difference Result 6543 states and 8616 transitions. [2019-10-13 22:50:55,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:50:55,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2019-10-13 22:50:55,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:50:55,205 INFO L225 Difference]: With dead ends: 6543 [2019-10-13 22:50:55,206 INFO L226 Difference]: Without dead ends: 4445 [2019-10-13 22:50:55,214 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:50:55,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4445 states. [2019-10-13 22:50:55,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4445 to 4425. [2019-10-13 22:50:55,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4425 states. [2019-10-13 22:50:55,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 5827 transitions. [2019-10-13 22:50:55,468 INFO L78 Accepts]: Start accepts. Automaton has 4425 states and 5827 transitions. Word has length 107 [2019-10-13 22:50:55,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:50:55,469 INFO L462 AbstractCegarLoop]: Abstraction has 4425 states and 5827 transitions. [2019-10-13 22:50:55,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:50:55,469 INFO L276 IsEmpty]: Start isEmpty. Operand 4425 states and 5827 transitions. [2019-10-13 22:50:55,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 22:50:55,476 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:50:55,476 INFO L380 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] [2019-10-13 22:50:55,476 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:50:55,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:50:55,476 INFO L82 PathProgramCache]: Analyzing trace with hash 455208108, now seen corresponding path program 1 times [2019-10-13 22:50:55,477 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:50:55,477 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3674282] [2019-10-13 22:50:55,477 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:55,477 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:55,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:50:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:50:55,761 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-13 22:50:55,762 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3674282] [2019-10-13 22:50:55,762 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:50:55,762 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:50:55,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702916887] [2019-10-13 22:50:55,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:50:55,764 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:50:55,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:50:55,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:50:55,764 INFO L87 Difference]: Start difference. First operand 4425 states and 5827 transitions. Second operand 5 states. [2019-10-13 22:50:56,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:50:56,122 INFO L93 Difference]: Finished difference Result 8013 states and 10549 transitions. [2019-10-13 22:50:56,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:50:56,123 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2019-10-13 22:50:56,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:50:56,157 INFO L225 Difference]: With dead ends: 8013 [2019-10-13 22:50:56,157 INFO L226 Difference]: Without dead ends: 4449 [2019-10-13 22:50:56,173 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:50:56,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4449 states. [2019-10-13 22:50:56,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4449 to 4429. [2019-10-13 22:50:56,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4429 states. [2019-10-13 22:50:56,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4429 states to 4429 states and 5829 transitions. [2019-10-13 22:50:56,392 INFO L78 Accepts]: Start accepts. Automaton has 4429 states and 5829 transitions. Word has length 108 [2019-10-13 22:50:56,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:50:56,393 INFO L462 AbstractCegarLoop]: Abstraction has 4429 states and 5829 transitions. [2019-10-13 22:50:56,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:50:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 4429 states and 5829 transitions. [2019-10-13 22:50:56,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-13 22:50:56,399 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:50:56,399 INFO L380 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] [2019-10-13 22:50:56,399 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:50:56,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:50:56,400 INFO L82 PathProgramCache]: Analyzing trace with hash -134826702, now seen corresponding path program 1 times [2019-10-13 22:50:56,400 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:50:56,400 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665232206] [2019-10-13 22:50:56,400 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:56,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:56,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:50:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:50:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-13 22:50:56,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665232206] [2019-10-13 22:50:56,740 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:50:56,741 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:50:56,741 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207720486] [2019-10-13 22:50:56,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:50:56,742 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:50:56,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:50:56,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:50:56,743 INFO L87 Difference]: Start difference. First operand 4429 states and 5829 transitions. Second operand 5 states. [2019-10-13 22:50:57,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:50:57,019 INFO L93 Difference]: Finished difference Result 7695 states and 10094 transitions. [2019-10-13 22:50:57,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:50:57,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2019-10-13 22:50:57,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:50:57,048 INFO L225 Difference]: With dead ends: 7695 [2019-10-13 22:50:57,048 INFO L226 Difference]: Without dead ends: 4126 [2019-10-13 22:50:57,063 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:50:57,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2019-10-13 22:50:57,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4109. [2019-10-13 22:50:57,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4109 states. [2019-10-13 22:50:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 4109 states and 5374 transitions. [2019-10-13 22:50:57,252 INFO L78 Accepts]: Start accepts. Automaton has 4109 states and 5374 transitions. Word has length 109 [2019-10-13 22:50:57,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:50:57,253 INFO L462 AbstractCegarLoop]: Abstraction has 4109 states and 5374 transitions. [2019-10-13 22:50:57,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:50:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4109 states and 5374 transitions. [2019-10-13 22:50:57,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-13 22:50:57,259 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:50:57,259 INFO L380 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] [2019-10-13 22:50:57,260 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:50:57,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:50:57,260 INFO L82 PathProgramCache]: Analyzing trace with hash 2111987436, now seen corresponding path program 1 times [2019-10-13 22:50:57,260 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:50:57,260 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725591040] [2019-10-13 22:50:57,260 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:57,261 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:57,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:50:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:50:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-13 22:50:57,566 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725591040] [2019-10-13 22:50:57,566 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285399486] [2019-10-13 22:50:57,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:50:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:50:58,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 3078 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 22:50:58,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:50:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-13 22:50:58,779 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:50:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-13 22:50:59,095 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:50:59,096 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [9] total 14 [2019-10-13 22:50:59,096 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493041120] [2019-10-13 22:50:59,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 22:50:59,097 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:50:59,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 22:50:59,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-10-13 22:50:59,098 INFO L87 Difference]: Start difference. First operand 4109 states and 5374 transitions. Second operand 7 states. [2019-10-13 22:50:59,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:50:59,771 INFO L93 Difference]: Finished difference Result 9699 states and 12709 transitions. [2019-10-13 22:50:59,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 22:50:59,771 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2019-10-13 22:50:59,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:50:59,831 INFO L225 Difference]: With dead ends: 9699 [2019-10-13 22:50:59,831 INFO L226 Difference]: Without dead ends: 6756 [2019-10-13 22:50:59,851 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 238 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2019-10-13 22:50:59,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2019-10-13 22:51:01,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6722. [2019-10-13 22:51:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6722 states. [2019-10-13 22:51:01,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6722 states to 6722 states and 8797 transitions. [2019-10-13 22:51:01,156 INFO L78 Accepts]: Start accepts. Automaton has 6722 states and 8797 transitions. Word has length 122 [2019-10-13 22:51:01,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:01,157 INFO L462 AbstractCegarLoop]: Abstraction has 6722 states and 8797 transitions. [2019-10-13 22:51:01,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 22:51:01,157 INFO L276 IsEmpty]: Start isEmpty. Operand 6722 states and 8797 transitions. [2019-10-13 22:51:01,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-10-13 22:51:01,169 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:01,170 INFO L380 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] [2019-10-13 22:51:01,390 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:01,390 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:01,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:01,391 INFO L82 PathProgramCache]: Analyzing trace with hash -346609449, now seen corresponding path program 1 times [2019-10-13 22:51:01,391 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:01,391 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104174288] [2019-10-13 22:51:01,392 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:01,392 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:01,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:01,802 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-13 22:51:01,803 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104174288] [2019-10-13 22:51:01,803 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687073044] [2019-10-13 22:51:01,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:02,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 3080 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 22:51:02,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:51:02,734 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-13 22:51:02,734 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:51:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-13 22:51:03,105 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:51:03,105 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-13 22:51:03,105 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812064774] [2019-10-13 22:51:03,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 22:51:03,107 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:03,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 22:51:03,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-13 22:51:03,108 INFO L87 Difference]: Start difference. First operand 6722 states and 8797 transitions. Second operand 7 states. [2019-10-13 22:51:03,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:03,934 INFO L93 Difference]: Finished difference Result 14936 states and 19568 transitions. [2019-10-13 22:51:03,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 22:51:03,935 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2019-10-13 22:51:03,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:03,987 INFO L225 Difference]: With dead ends: 14936 [2019-10-13 22:51:03,988 INFO L226 Difference]: Without dead ends: 9380 [2019-10-13 22:51:04,016 INFO L600 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 [2019-10-13 22:51:04,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9380 states. [2019-10-13 22:51:04,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9380 to 9340. [2019-10-13 22:51:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9340 states. [2019-10-13 22:51:04,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9340 states to 9340 states and 12230 transitions. [2019-10-13 22:51:04,470 INFO L78 Accepts]: Start accepts. Automaton has 9340 states and 12230 transitions. Word has length 123 [2019-10-13 22:51:04,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:04,471 INFO L462 AbstractCegarLoop]: Abstraction has 9340 states and 12230 transitions. [2019-10-13 22:51:04,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 22:51:04,471 INFO L276 IsEmpty]: Start isEmpty. Operand 9340 states and 12230 transitions. [2019-10-13 22:51:04,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-13 22:51:04,482 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:04,482 INFO L380 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] [2019-10-13 22:51:04,694 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:04,695 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:04,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:04,695 INFO L82 PathProgramCache]: Analyzing trace with hash -540465453, now seen corresponding path program 1 times [2019-10-13 22:51:04,696 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:04,696 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297512319] [2019-10-13 22:51:04,696 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:04,697 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:04,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-13 22:51:05,067 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297512319] [2019-10-13 22:51:05,068 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112201150] [2019-10-13 22:51:05,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:06,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 3082 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 22:51:06,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:51:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-13 22:51:06,287 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:51:06,566 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-13 22:51:06,567 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:51:06,567 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-13 22:51:06,567 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395215392] [2019-10-13 22:51:06,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 22:51:06,569 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:51:06,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 22:51:06,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-13 22:51:06,569 INFO L87 Difference]: Start difference. First operand 9340 states and 12230 transitions. Second operand 7 states. [2019-10-13 22:51:07,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:51:07,295 INFO L93 Difference]: Finished difference Result 20170 states and 26433 transitions. [2019-10-13 22:51:07,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 22:51:07,295 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2019-10-13 22:51:07,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:51:07,378 INFO L225 Difference]: With dead ends: 20170 [2019-10-13 22:51:07,378 INFO L226 Difference]: Without dead ends: 11996 [2019-10-13 22:51:07,425 INFO L600 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 [2019-10-13 22:51:07,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11996 states. [2019-10-13 22:51:07,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11996 to 9341. [2019-10-13 22:51:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9341 states. [2019-10-13 22:51:07,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9341 states to 9341 states and 12231 transitions. [2019-10-13 22:51:07,905 INFO L78 Accepts]: Start accepts. Automaton has 9341 states and 12231 transitions. Word has length 124 [2019-10-13 22:51:07,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:51:07,907 INFO L462 AbstractCegarLoop]: Abstraction has 9341 states and 12231 transitions. [2019-10-13 22:51:07,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 22:51:07,907 INFO L276 IsEmpty]: Start isEmpty. Operand 9341 states and 12231 transitions. [2019-10-13 22:51:07,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-13 22:51:07,924 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:51:07,924 INFO L380 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] [2019-10-13 22:51:08,138 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:51:08,138 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:51:08,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:51:08,139 INFO L82 PathProgramCache]: Analyzing trace with hash 753169118, now seen corresponding path program 1 times [2019-10-13 22:51:08,139 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:51:08,140 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967188688] [2019-10-13 22:51:08,140 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:08,140 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:51:08,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:51:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:51:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-13 22:51:08,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967188688] [2019-10-13 22:51:08,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982382637] [2019-10-13 22:51:08,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true