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 0.1.24-13a467a-m [2019-10-15 02:53:19,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:53:19,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:53:19,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:53:19,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:53:19,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:53:19,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:53:19,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:53:19,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:53:19,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:53:19,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:53:19,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:53:19,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:53:19,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:53:19,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:53:19,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:53:19,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:53:19,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:53:19,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:53:19,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:53:19,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:53:19,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:53:19,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:53:19,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:53:19,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:53:19,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:53:19,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:53:19,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:53:19,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:53:19,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:53:19,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:53:19,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:53:19,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:53:19,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:53:19,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:53:19,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:53:19,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:53:19,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:53:19,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:53:19,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:53:19,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:53:19,384 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 [2019-10-15 02:53:19,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:53:19,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:53:19,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:53:19,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:53:19,409 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:53:19,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:53:19,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:53:19,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:53:19,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:53:19,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:53:19,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:53:19,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:53:19,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:53:19,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:53:19,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:53:19,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:53:19,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:53:19,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:53:19,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:53:19,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:53:19,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:53:19,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:53:19,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:53:19,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:53:19,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:53:19,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:53:19,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:53:19,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:53:19,415 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 [2019-10-15 02:53:19,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:53:19,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:53:19,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:53:19,731 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:53:19,732 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:53:19,733 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2019-10-15 02:53:19,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96cdd421d/937c7abfa33e41abb2d7af02a19f01ba/FLAG30dd08ae0 [2019-10-15 02:53:20,801 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:53:20,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2019-10-15 02:53:20,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96cdd421d/937c7abfa33e41abb2d7af02a19f01ba/FLAG30dd08ae0 [2019-10-15 02:53:21,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96cdd421d/937c7abfa33e41abb2d7af02a19f01ba [2019-10-15 02:53:21,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:53:21,178 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:53:21,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:53:21,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:53:21,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:53:21,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:53:21" (1/1) ... [2019-10-15 02:53:21,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25612793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:21, skipping insertion in model container [2019-10-15 02:53:21,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:53:21" (1/1) ... [2019-10-15 02:53:21,196 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:53:21,369 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:53:23,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:53:23,885 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:53:24,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:53:24,842 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:53:24,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:24 WrapperNode [2019-10-15 02:53:24,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:53:24,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:53:24,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:53:24,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:53:24,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:24" (1/1) ... [2019-10-15 02:53:24,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:24" (1/1) ... [2019-10-15 02:53:24,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:24" (1/1) ... [2019-10-15 02:53:24,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:24" (1/1) ... [2019-10-15 02:53:25,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:24" (1/1) ... [2019-10-15 02:53:25,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:24" (1/1) ... [2019-10-15 02:53:25,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:24" (1/1) ... [2019-10-15 02:53:25,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:53:25,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:53:25,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:53:25,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:53:25,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:24" (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 [2019-10-15 02:53:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:53:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:53:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-15 02:53:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-15 02:53:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 02:53:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 02:53:25,289 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 02:53:25,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:53:25,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:53:25,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 02:53:25,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 02:53:25,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:53:25,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:53:25,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:53:25,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:53:25,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:53:25,296 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 02:53:25,297 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:53:25,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-15 02:53:25,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-15 02:53:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-15 02:53:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-15 02:53:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 02:53:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-10-15 02:53:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-10-15 02:53:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 02:53:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-15 02:53:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 02:53:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 02:53:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 02:53:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-15 02:53:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-15 02:53:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-15 02:53:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-15 02:53:25,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-10-15 02:53:25,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-10-15 02:53:25,300 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2019-10-15 02:53:25,301 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-15 02:53:25,301 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-10-15 02:53:25,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-15 02:53:25,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-15 02:53:25,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-15 02:53:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2019-10-15 02:53:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-15 02:53:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-15 02:53:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-15 02:53:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-15 02:53:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-15 02:53:25,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-15 02:53:25,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-15 02:53:25,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-15 02:53:25,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-15 02:53:25,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-15 02:53:25,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-15 02:53:25,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-15 02:53:25,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-15 02:53:25,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-15 02:53:25,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2019-10-15 02:53:25,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2019-10-15 02:53:25,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2019-10-15 02:53:25,305 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2019-10-15 02:53:25,306 INFO L138 BoogieDeclarations]: Found implementation of procedure send_end [2019-10-15 02:53:25,306 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2019-10-15 02:53:25,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2019-10-15 02:53:25,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2019-10-15 02:53:25,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_led_mode [2019-10-15 02:53:25,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_set [2019-10-15 02:53:25,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2019-10-15 02:53:25,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_find_phyaddr [2019-10-15 02:53:25,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2019-10-15 02:53:25,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2019-10-15 02:53:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2019-10-15 02:53:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2019-10-15 02:53:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2019-10-15 02:53:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2019-10-15 02:53:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2019-10-15 02:53:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2019-10-15 02:53:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txcleanup [2019-10-15 02:53:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2019-10-15 02:53:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2019-10-15 02:53:25,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2019-10-15 02:53:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_frame_type [2019-10-15 02:53:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2019-10-15 02:53:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start_and_end [2019-10-15 02:53:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start [2019-10-15 02:53:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_end [2019-10-15 02:53:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_no_start_no_end [2019-10-15 02:53:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_jumbo [2019-10-15 02:53:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx [2019-10-15 02:53:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2019-10-15 02:53:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_interrupt_handler [2019-10-15 02:53:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2019-10-15 02:53:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2019-10-15 02:53:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2019-10-15 02:53:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2019-10-15 02:53:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_hard_start_xmit [2019-10-15 02:53:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_default_param [2019-10-15 02:53:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2019-10-15 02:53:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_init_mii [2019-10-15 02:53:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_hw_init [2019-10-15 02:53:25,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2019-10-15 02:53:25,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2019-10-15 02:53:25,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_settings [2019-10-15 02:53:25,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_settings [2019-10-15 02:53:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2019-10-15 02:53:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2019-10-15 02:53:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_probe [2019-10-15 02:53:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_init [2019-10-15 02:53:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_exit [2019-10-15 02:53:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-10-15 02:53:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-10-15 02:53:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-15 02:53:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-10-15 02:53:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-10-15 02:53:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-15 02:53:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-15 02:53:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-15 02:53:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-10-15 02:53:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-10-15 02:53:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_5 [2019-10-15 02:53:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-10-15 02:53:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-15 02:53:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-10-15 02:53:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:53:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 02:53:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-15 02:53:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 02:53:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-15 02:53:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:53:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2019-10-15 02:53:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2019-10-15 02:53:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2019-10-15 02:53:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2019-10-15 02:53:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2019-10-15 02:53:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_25 [2019-10-15 02:53:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2019-10-15 02:53:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2019-10-15 02:53:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_35 [2019-10-15 02:53:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_36 [2019-10-15 02:53:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_37 [2019-10-15 02:53:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_38 [2019-10-15 02:53:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_39 [2019-10-15 02:53:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_40 [2019-10-15 02:53:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_41 [2019-10-15 02:53:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_42 [2019-10-15 02:53:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2019-10-15 02:53:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2019-10-15 02:53:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_45 [2019-10-15 02:53:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_46 [2019-10-15 02:53:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_47 [2019-10-15 02:53:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_48 [2019-10-15 02:53:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_49 [2019-10-15 02:53:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_50 [2019-10-15 02:53:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:53:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:53:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:53:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:53:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:53:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-15 02:53:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 02:53:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-15 02:53:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-15 02:53:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-15 02:53:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-15 02:53:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-15 02:53:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-15 02:53:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-15 02:53:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 02:53:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-15 02:53:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-15 02:53:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:53:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 02:53:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-15 02:53:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 02:53:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-15 02:53:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:53:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-15 02:53:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-15 02:53:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-15 02:53:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-15 02:53:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-15 02:53:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-15 02:53:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-10-15 02:53:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-15 02:53:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-15 02:53:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-15 02:53:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-15 02:53:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-15 02:53:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-15 02:53:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2019-10-15 02:53:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-15 02:53:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-10-15 02:53:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-15 02:53:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-15 02:53:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-10-15 02:53:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-15 02:53:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2019-10-15 02:53:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:53:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:53:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-10-15 02:53:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-10-15 02:53:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-10-15 02:53:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-15 02:53:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-15 02:53:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-10-15 02:53:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-10-15 02:53:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-10-15 02:53:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-15 02:53:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 02:53:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-15 02:53:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-15 02:53:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-15 02:53:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-15 02:53:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-15 02:53:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-15 02:53:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-15 02:53:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-15 02:53:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-15 02:53:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-15 02:53:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-15 02:53:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-15 02:53:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:53:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-15 02:53:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-15 02:53:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-15 02:53:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-15 02:53:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 02:53:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2019-10-15 02:53:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-15 02:53:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:53:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:53:25,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:53:25,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:53:25,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 02:53:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:53:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:53:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:53:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 02:53:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 02:53:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 02:53:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:53:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:53:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-15 02:53:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-15 02:53:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:53:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:53:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:53:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:53:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:53:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:53:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:53:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:53:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:53:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:53:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:53:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 02:53:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 02:53:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:53:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:53:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:53:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:53:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:53:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 02:53:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:53:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-15 02:53:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 02:53:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-15 02:53:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:53:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 02:53:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-15 02:53:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 02:53:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-15 02:53:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:53:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:53:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-15 02:53:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 02:53:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-15 02:53:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-15 02:53:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-15 02:53:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 02:53:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-15 02:53:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-15 02:53:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 02:53:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:53:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 02:53:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-15 02:53:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 02:53:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-15 02:53:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-15 02:53:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-15 02:53:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-15 02:53:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2019-10-15 02:53:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2019-10-15 02:53:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-15 02:53:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2019-10-15 02:53:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2019-10-15 02:53:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-15 02:53:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2019-10-15 02:53:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-10-15 02:53:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-10-15 02:53:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-15 02:53:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-10-15 02:53:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-15 02:53:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2019-10-15 02:53:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-10-15 02:53:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-15 02:53:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-15 02:53:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-15 02:53:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 02:53:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:53:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_25 [2019-10-15 02:53:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-15 02:53:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-10-15 02:53:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-10-15 02:53:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-15 02:53:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-10-15 02:53:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-10-15 02:53:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-15 02:53:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-15 02:53:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-15 02:53:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-10-15 02:53:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-10-15 02:53:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_5 [2019-10-15 02:53:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-10-15 02:53:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-15 02:53:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-10-15 02:53:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-15 02:53:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-15 02:53:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 02:53:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 02:53:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 02:53:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-15 02:53:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-15 02:53:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-15 02:53:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-15 02:53:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-15 02:53:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-15 02:53:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-15 02:53:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-15 02:53:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-10-15 02:53:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-15 02:53:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-15 02:53:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2019-10-15 02:53:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_41 [2019-10-15 02:53:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_35 [2019-10-15 02:53:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2019-10-15 02:53:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_39 [2019-10-15 02:53:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_40 [2019-10-15 02:53:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 02:53:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_36 [2019-10-15 02:53:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_37 [2019-10-15 02:53:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_38 [2019-10-15 02:53:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-10-15 02:53:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-10-15 02:53:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2019-10-15 02:53:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2019-10-15 02:53:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-15 02:53:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-15 02:53:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_42 [2019-10-15 02:53:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-15 02:53:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2019-10-15 02:53:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2019-10-15 02:53:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-10-15 02:53:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-10-15 02:53:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-10-15 02:53:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2019-10-15 02:53:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-10-15 02:53:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-15 02:53:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-15 02:53:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-15 02:53:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-15 02:53:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-15 02:53:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-15 02:53:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_49 [2019-10-15 02:53:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-15 02:53:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_50 [2019-10-15 02:53:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-15 02:53:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-15 02:53:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-15 02:53:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2019-10-15 02:53:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-15 02:53:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-15 02:53:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-15 02:53:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-15 02:53:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-15 02:53:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-15 02:53:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-15 02:53:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_46 [2019-10-15 02:53:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_48 [2019-10-15 02:53:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-15 02:53:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-15 02:53:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-15 02:53:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-15 02:53:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-15 02:53:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-15 02:53:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-15 02:53:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-15 02:53:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-15 02:53:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-15 02:53:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-15 02:53:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-15 02:53:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-15 02:53:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_47 [2019-10-15 02:53:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-15 02:53:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_45 [2019-10-15 02:53:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-15 02:53:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-15 02:53:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-15 02:53:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-15 02:53:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-15 02:53:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-15 02:53:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2019-10-15 02:53:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2019-10-15 02:53:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2019-10-15 02:53:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2019-10-15 02:53:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure send_end [2019-10-15 02:53:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2019-10-15 02:53:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2019-10-15 02:53:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:53:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:53:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2019-10-15 02:53:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_led_mode [2019-10-15 02:53:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_set [2019-10-15 02:53:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2019-10-15 02:53:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_find_phyaddr [2019-10-15 02:53:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2019-10-15 02:53:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2019-10-15 02:53:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2019-10-15 02:53:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2019-10-15 02:53:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2019-10-15 02:53:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2019-10-15 02:53:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2019-10-15 02:53:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2019-10-15 02:53:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txcleanup [2019-10-15 02:53:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2019-10-15 02:53:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2019-10-15 02:53:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2019-10-15 02:53:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_frame_type [2019-10-15 02:53:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2019-10-15 02:53:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start_and_end [2019-10-15 02:53:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start [2019-10-15 02:53:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_end [2019-10-15 02:53:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 02:53:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_no_start_no_end [2019-10-15 02:53:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_jumbo [2019-10-15 02:53:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx [2019-10-15 02:53:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2019-10-15 02:53:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_interrupt_handler [2019-10-15 02:53:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2019-10-15 02:53:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2019-10-15 02:53:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2019-10-15 02:53:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2019-10-15 02:53:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_hard_start_xmit [2019-10-15 02:53:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_default_param [2019-10-15 02:53:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2019-10-15 02:53:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_init_mii [2019-10-15 02:53:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_hw_init [2019-10-15 02:53:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2019-10-15 02:53:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2019-10-15 02:53:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_settings [2019-10-15 02:53:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_settings [2019-10-15 02:53:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2019-10-15 02:53:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2019-10-15 02:53:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_probe [2019-10-15 02:53:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_init [2019-10-15 02:53:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_exit [2019-10-15 02:53:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-10-15 02:53:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-10-15 02:53:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:53:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-10-15 02:53:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:53:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:53:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:53:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:53:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:53:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:53:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:53:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-15 02:53:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 02:53:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-15 02:53:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-15 02:53:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:53:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 02:53:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-15 02:53:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 02:53:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:53:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:53:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:53:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:53:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:53:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:53:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:53:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:53:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:53:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:53:27,220 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:53:33,878 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:53:33,878 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-15 02:53:33,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:53:33 BoogieIcfgContainer [2019-10-15 02:53:33,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:53:33,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:53:33,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:53:33,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:53:33,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:53:21" (1/3) ... [2019-10-15 02:53:33,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c894e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:53:33, skipping insertion in model container [2019-10-15 02:53:33,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:53:24" (2/3) ... [2019-10-15 02:53:33,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c894e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:53:33, skipping insertion in model container [2019-10-15 02:53:33,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:53:33" (3/3) ... [2019-10-15 02:53:33,887 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2019-10-15 02:53:33,897 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:53:33,907 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:53:33,918 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:53:33,953 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:53:33,954 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:53:33,954 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:53:33,954 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:53:33,954 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:53:33,954 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:53:33,954 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:53:33,954 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:53:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states. [2019-10-15 02:53:34,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-10-15 02:53:34,031 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:34,032 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] [2019-10-15 02:53:34,034 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:34,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:34,040 INFO L82 PathProgramCache]: Analyzing trace with hash -126588465, now seen corresponding path program 1 times [2019-10-15 02:53:34,050 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:34,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299689894] [2019-10-15 02:53:34,050 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:34,051 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:34,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:35,087 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-15 02:53:35,087 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299689894] [2019-10-15 02:53:35,089 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:53:35,089 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:53:35,089 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876133107] [2019-10-15 02:53:35,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:53:35,095 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:35,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:53:35,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:53:35,112 INFO L87 Difference]: Start difference. First operand 1605 states. Second operand 5 states. [2019-10-15 02:53:35,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:35,573 INFO L93 Difference]: Finished difference Result 4536 states and 6072 transitions. [2019-10-15 02:53:35,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 02:53:35,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2019-10-15 02:53:35,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:35,620 INFO L225 Difference]: With dead ends: 4536 [2019-10-15 02:53:35,620 INFO L226 Difference]: Without dead ends: 2975 [2019-10-15 02:53:35,635 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 [2019-10-15 02:53:35,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2019-10-15 02:53:35,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2960. [2019-10-15 02:53:35,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2019-10-15 02:53:35,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3896 transitions. [2019-10-15 02:53:35,946 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3896 transitions. Word has length 106 [2019-10-15 02:53:35,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:35,947 INFO L462 AbstractCegarLoop]: Abstraction has 2960 states and 3896 transitions. [2019-10-15 02:53:35,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:53:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3896 transitions. [2019-10-15 02:53:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 02:53:35,960 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:35,961 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] [2019-10-15 02:53:35,961 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:35,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:35,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1457885131, now seen corresponding path program 1 times [2019-10-15 02:53:35,963 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:35,963 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517480363] [2019-10-15 02:53:35,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:35,964 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:35,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-15 02:53:36,302 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517480363] [2019-10-15 02:53:36,303 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:53:36,303 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:53:36,303 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101772523] [2019-10-15 02:53:36,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:53:36,306 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:36,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:53:36,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:53:36,307 INFO L87 Difference]: Start difference. First operand 2960 states and 3896 transitions. Second operand 5 states. [2019-10-15 02:53:36,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:36,693 INFO L93 Difference]: Finished difference Result 6543 states and 8616 transitions. [2019-10-15 02:53:36,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 02:53:36,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2019-10-15 02:53:36,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:36,744 INFO L225 Difference]: With dead ends: 6543 [2019-10-15 02:53:36,744 INFO L226 Difference]: Without dead ends: 4445 [2019-10-15 02:53:36,763 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 [2019-10-15 02:53:36,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4445 states. [2019-10-15 02:53:37,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4445 to 4425. [2019-10-15 02:53:37,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4425 states. [2019-10-15 02:53:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 5827 transitions. [2019-10-15 02:53:37,853 INFO L78 Accepts]: Start accepts. Automaton has 4425 states and 5827 transitions. Word has length 107 [2019-10-15 02:53:37,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:37,854 INFO L462 AbstractCegarLoop]: Abstraction has 4425 states and 5827 transitions. [2019-10-15 02:53:37,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:53:37,854 INFO L276 IsEmpty]: Start isEmpty. Operand 4425 states and 5827 transitions. [2019-10-15 02:53:37,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 02:53:37,859 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:37,860 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] [2019-10-15 02:53:37,860 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:37,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:37,860 INFO L82 PathProgramCache]: Analyzing trace with hash 455208108, now seen corresponding path program 1 times [2019-10-15 02:53:37,860 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:37,861 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575082479] [2019-10-15 02:53:37,861 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:37,861 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:37,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-15 02:53:38,115 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575082479] [2019-10-15 02:53:38,115 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:53:38,115 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:53:38,116 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710960633] [2019-10-15 02:53:38,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:53:38,117 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:38,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:53:38,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:53:38,117 INFO L87 Difference]: Start difference. First operand 4425 states and 5827 transitions. Second operand 5 states. [2019-10-15 02:53:38,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:38,426 INFO L93 Difference]: Finished difference Result 8013 states and 10549 transitions. [2019-10-15 02:53:38,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 02:53:38,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2019-10-15 02:53:38,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:38,458 INFO L225 Difference]: With dead ends: 8013 [2019-10-15 02:53:38,458 INFO L226 Difference]: Without dead ends: 4449 [2019-10-15 02:53:38,473 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 [2019-10-15 02:53:38,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4449 states. [2019-10-15 02:53:38,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4449 to 4429. [2019-10-15 02:53:38,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4429 states. [2019-10-15 02:53:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4429 states to 4429 states and 5829 transitions. [2019-10-15 02:53:38,769 INFO L78 Accepts]: Start accepts. Automaton has 4429 states and 5829 transitions. Word has length 108 [2019-10-15 02:53:38,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:38,770 INFO L462 AbstractCegarLoop]: Abstraction has 4429 states and 5829 transitions. [2019-10-15 02:53:38,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:53:38,770 INFO L276 IsEmpty]: Start isEmpty. Operand 4429 states and 5829 transitions. [2019-10-15 02:53:38,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-15 02:53:38,778 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:38,778 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] [2019-10-15 02:53:38,778 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:38,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:38,779 INFO L82 PathProgramCache]: Analyzing trace with hash -134826702, now seen corresponding path program 1 times [2019-10-15 02:53:38,779 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:38,780 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910036293] [2019-10-15 02:53:38,780 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:38,780 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:38,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:39,131 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-15 02:53:39,131 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910036293] [2019-10-15 02:53:39,131 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:53:39,132 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:53:39,132 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395481327] [2019-10-15 02:53:39,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:53:39,133 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:39,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:53:39,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:53:39,134 INFO L87 Difference]: Start difference. First operand 4429 states and 5829 transitions. Second operand 5 states. [2019-10-15 02:53:39,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:39,514 INFO L93 Difference]: Finished difference Result 7695 states and 10094 transitions. [2019-10-15 02:53:39,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 02:53:39,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2019-10-15 02:53:39,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:39,546 INFO L225 Difference]: With dead ends: 7695 [2019-10-15 02:53:39,546 INFO L226 Difference]: Without dead ends: 4126 [2019-10-15 02:53:39,562 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 [2019-10-15 02:53:39,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2019-10-15 02:53:39,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4109. [2019-10-15 02:53:39,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4109 states. [2019-10-15 02:53:39,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 4109 states and 5374 transitions. [2019-10-15 02:53:39,770 INFO L78 Accepts]: Start accepts. Automaton has 4109 states and 5374 transitions. Word has length 109 [2019-10-15 02:53:39,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:39,772 INFO L462 AbstractCegarLoop]: Abstraction has 4109 states and 5374 transitions. [2019-10-15 02:53:39,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:53:39,773 INFO L276 IsEmpty]: Start isEmpty. Operand 4109 states and 5374 transitions. [2019-10-15 02:53:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-15 02:53:39,779 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:39,779 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] [2019-10-15 02:53:39,779 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:39,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:39,780 INFO L82 PathProgramCache]: Analyzing trace with hash 2111987436, now seen corresponding path program 1 times [2019-10-15 02:53:39,780 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:39,780 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507773995] [2019-10-15 02:53:39,780 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:39,780 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:39,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-15 02:53:40,203 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507773995] [2019-10-15 02:53:40,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430567844] [2019-10-15 02:53:40,204 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 [2019-10-15 02:53:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:41,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 3078 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 02:53:41,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:53:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-15 02:53:41,442 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:53:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-15 02:53:41,779 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 02:53:41,779 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [9] total 14 [2019-10-15 02:53:41,779 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616151510] [2019-10-15 02:53:41,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:53:41,781 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:41,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:53:41,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-10-15 02:53:41,782 INFO L87 Difference]: Start difference. First operand 4109 states and 5374 transitions. Second operand 7 states. [2019-10-15 02:53:42,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:42,511 INFO L93 Difference]: Finished difference Result 9699 states and 12709 transitions. [2019-10-15 02:53:42,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 02:53:42,512 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2019-10-15 02:53:42,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:42,564 INFO L225 Difference]: With dead ends: 9699 [2019-10-15 02:53:42,564 INFO L226 Difference]: Without dead ends: 6756 [2019-10-15 02:53:42,582 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 238 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2019-10-15 02:53:42,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2019-10-15 02:53:42,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6722. [2019-10-15 02:53:42,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6722 states. [2019-10-15 02:53:42,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6722 states to 6722 states and 8797 transitions. [2019-10-15 02:53:42,966 INFO L78 Accepts]: Start accepts. Automaton has 6722 states and 8797 transitions. Word has length 122 [2019-10-15 02:53:42,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:42,966 INFO L462 AbstractCegarLoop]: Abstraction has 6722 states and 8797 transitions. [2019-10-15 02:53:42,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 02:53:42,967 INFO L276 IsEmpty]: Start isEmpty. Operand 6722 states and 8797 transitions. [2019-10-15 02:53:42,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-10-15 02:53:42,977 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:42,978 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] [2019-10-15 02:53:43,187 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:53:43,188 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:43,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:43,189 INFO L82 PathProgramCache]: Analyzing trace with hash -346609449, now seen corresponding path program 1 times [2019-10-15 02:53:43,189 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:43,189 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765247651] [2019-10-15 02:53:43,190 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:43,190 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:43,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:43,909 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-15 02:53:43,910 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765247651] [2019-10-15 02:53:43,910 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320844505] [2019-10-15 02:53:43,910 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 [2019-10-15 02:53:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:44,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 3080 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 02:53:44,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:53:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-15 02:53:44,987 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:53:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-15 02:53:45,354 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 02:53:45,355 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-15 02:53:45,355 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046896858] [2019-10-15 02:53:45,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:53:45,356 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:45,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:53:45,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-15 02:53:45,357 INFO L87 Difference]: Start difference. First operand 6722 states and 8797 transitions. Second operand 7 states. [2019-10-15 02:53:46,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:46,239 INFO L93 Difference]: Finished difference Result 14936 states and 19568 transitions. [2019-10-15 02:53:46,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-15 02:53:46,240 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2019-10-15 02:53:46,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:46,322 INFO L225 Difference]: With dead ends: 14936 [2019-10-15 02:53:46,322 INFO L226 Difference]: Without dead ends: 9380 [2019-10-15 02:53:46,352 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 238 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-10-15 02:53:46,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9380 states. [2019-10-15 02:53:47,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9380 to 9340. [2019-10-15 02:53:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9340 states. [2019-10-15 02:53:47,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9340 states to 9340 states and 12230 transitions. [2019-10-15 02:53:47,111 INFO L78 Accepts]: Start accepts. Automaton has 9340 states and 12230 transitions. Word has length 123 [2019-10-15 02:53:47,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:47,113 INFO L462 AbstractCegarLoop]: Abstraction has 9340 states and 12230 transitions. [2019-10-15 02:53:47,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 02:53:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 9340 states and 12230 transitions. [2019-10-15 02:53:47,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-15 02:53:47,136 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:47,137 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] [2019-10-15 02:53:47,357 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:53:47,357 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:47,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:47,358 INFO L82 PathProgramCache]: Analyzing trace with hash -540465453, now seen corresponding path program 1 times [2019-10-15 02:53:47,358 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:47,358 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118280200] [2019-10-15 02:53:47,358 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:47,358 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:47,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-15 02:53:47,723 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118280200] [2019-10-15 02:53:47,724 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174648329] [2019-10-15 02:53:47,724 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 [2019-10-15 02:53:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:48,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 3082 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 02:53:48,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:53:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-15 02:53:48,870 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:53:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-15 02:53:49,249 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 02:53:49,249 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10] total 15 [2019-10-15 02:53:49,249 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747723301] [2019-10-15 02:53:49,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:53:49,251 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:49,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:53:49,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-15 02:53:49,252 INFO L87 Difference]: Start difference. First operand 9340 states and 12230 transitions. Second operand 7 states.