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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 00:59:18,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:59:18,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:59:18,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:59:18,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:59:18,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:59:18,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:59:18,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:59:18,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:59:18,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:59:18,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:59:18,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:59:18,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:59:18,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:59:18,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:59:18,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:59:18,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:59:18,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:59:18,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:59:18,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:59:18,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:59:18,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:59:18,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:59:18,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:59:18,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:59:18,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:59:18,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:59:18,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:59:18,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:59:18,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:59:18,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:59:18,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:59:18,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:59:18,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:59:18,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:59:18,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:59:18,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:59:18,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:59:18,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:59:18,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:59:18,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:59:18,494 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 00:59:18,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:59:18,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:59:18,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:59:18,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:59:18,513 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:59:18,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:59:18,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:59:18,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:59:18,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:59:18,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:59:18,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:59:18,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:59:18,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:59:18,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:59:18,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:59:18,515 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:59:18,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:59:18,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:59:18,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:59:18,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:59:18,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:59:18,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:59:18,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:59:18,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:59:18,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:59:18,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:59:18,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:59:18,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:59:18,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:59:18,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:59:18,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:59:18,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:59:18,830 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:59:18,831 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:59:18,831 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2019-10-15 00:59:18,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc82f04a/32bd442960f049829aedb1769037d9d2/FLAG8b43a619d [2019-10-15 00:59:19,719 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:59:19,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2019-10-15 00:59:19,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc82f04a/32bd442960f049829aedb1769037d9d2/FLAG8b43a619d [2019-10-15 00:59:20,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc82f04a/32bd442960f049829aedb1769037d9d2 [2019-10-15 00:59:20,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:59:20,215 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:59:20,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:59:20,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:59:20,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:59:20,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:59:20" (1/1) ... [2019-10-15 00:59:20,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c30351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:20, skipping insertion in model container [2019-10-15 00:59:20,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:59:20" (1/1) ... [2019-10-15 00:59:20,231 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:59:20,383 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:59:22,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:59:22,813 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:59:23,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:59:23,416 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:59:23,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:23 WrapperNode [2019-10-15 00:59:23,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:59:23,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:59:23,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:59:23,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:59:23,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:23" (1/1) ... [2019-10-15 00:59:23,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:23" (1/1) ... [2019-10-15 00:59:23,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:23" (1/1) ... [2019-10-15 00:59:23,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:23" (1/1) ... [2019-10-15 00:59:23,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:23" (1/1) ... [2019-10-15 00:59:23,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:23" (1/1) ... [2019-10-15 00:59:23,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:23" (1/1) ... [2019-10-15 00:59:23,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:59:23,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:59:23,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:59:23,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:59:23,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:23" (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 00:59:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:59:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:59:23,858 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 00:59:23,859 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 00:59:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-15 00:59:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-15 00:59:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 00:59:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 00:59:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 00:59:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-15 00:59:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-15 00:59:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-15 00:59:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:59:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:59:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 00:59:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 00:59:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:59:23,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:59:23,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:59:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:59:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:59:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rep_nop [2019-10-15 00:59:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2019-10-15 00:59:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 00:59:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-15 00:59:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-15 00:59:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 00:59:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-15 00:59:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-15 00:59:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:59:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 00:59:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-10-15 00:59:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2019-10-15 00:59:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-15 00:59:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-15 00:59:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-15 00:59:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-15 00:59:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-15 00:59:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2019-10-15 00:59:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2019-10-15 00:59:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-15 00:59:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-15 00:59:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-15 00:59:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-15 00:59:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2019-10-15 00:59:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2019-10-15 00:59:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-15 00:59:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-15 00:59:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-15 00:59:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-15 00:59:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-15 00:59:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-15 00:59:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-15 00:59:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-15 00:59:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-15 00:59:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-15 00:59:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-15 00:59:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-15 00:59:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-15 00:59:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-15 00:59:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-15 00:59:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-15 00:59:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-15 00:59:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-15 00:59:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-15 00:59:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-15 00:59:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2019-10-15 00:59:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rxaddr [2019-10-15 00:59:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infoaddr [2019-10-15 00:59:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init_one [2019-10-15 00:59:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_remove_one [2019-10-15 00:59:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_issue_cmd [2019-10-15 00:59:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_reset [2019-10-15 00:59:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2019-10-15 00:59:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2019-10-15 00:59:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2019-10-15 00:59:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init [2019-10-15 00:59:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2019-10-15 00:59:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_handle_event [2019-10-15 00:59:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_int [2019-10-15 00:59:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_interrupt [2019-10-15 00:59:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2019-10-15 00:59:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2019-10-15 00:59:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_timer [2019-10-15 00:59:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_open [2019-10-15 00:59:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_dump [2019-10-15 00:59:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_close [2019-10-15 00:59:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_start_xmit [2019-10-15 00:59:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_load_firmware [2019-10-15 00:59:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_ioctl [2019-10-15 00:59:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_driver_init [2019-10-15 00:59:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_driver_exit [2019-10-15 00:59:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-15 00:59:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-15 00:59:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-15 00:59:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-15 00:59:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-15 00:59:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-15 00:59:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-15 00:59:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-15 00:59:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-10-15 00:59:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-10-15 00:59:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-15 00:59:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:59:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 00:59:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 00:59:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 00:59:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:59:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-15 00:59:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-15 00:59:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-15 00:59:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-15 00:59:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-15 00:59:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-15 00:59:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-15 00:59:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-15 00:59:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-15 00:59:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-15 00:59:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-15 00:59:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2019-10-15 00:59:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2019-10-15 00:59:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_39 [2019-10-15 00:59:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_40 [2019-10-15 00:59:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_41 [2019-10-15 00:59:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_42 [2019-10-15 00:59:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2019-10-15 00:59:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_44 [2019-10-15 00:59:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_45 [2019-10-15 00:59:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:59:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:59:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:59:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:59:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:59:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-15 00:59:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 00:59:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-15 00:59:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-15 00:59:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-15 00:59:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-15 00:59:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-15 00:59:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-15 00:59:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-15 00:59:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-15 00:59:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-15 00:59:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-15 00:59:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-15 00:59:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 00:59:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-15 00:59:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-15 00:59:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 00:59:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 00:59:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:59:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-15 00:59:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_hippi_dev [2019-10-15 00:59:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-15 00:59:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-15 00:59:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-15 00:59:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2019-10-15 00:59:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2019-10-15 00:59:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-15 00:59:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-15 00:59:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-15 00:59:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-15 00:59:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-15 00:59:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-15 00:59:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_change_mtu [2019-10-15 00:59:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_mac_addr [2019-10-15 00:59:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_type_trans [2019-10-15 00:59:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:59:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:59:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-10-15 00:59:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-10-15 00:59:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-10-15 00:59:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-15 00:59:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-15 00:59:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-15 00:59:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-10-15 00:59:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2019-10-15 00:59:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-15 00:59:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-15 00:59:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-15 00:59:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-15 00:59:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-15 00:59:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-15 00:59:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-15 00:59:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-15 00:59:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:59:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-15 00:59:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-15 00:59:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-15 00:59:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 00:59:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-15 00:59:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:59:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:59:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:59:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:59:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 00:59:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:59:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:59:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 00:59:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 00:59:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 00:59:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:59:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-15 00:59:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-15 00:59:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-15 00:59:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:59:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-15 00:59:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-15 00:59:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-15 00:59:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:59:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:59:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:59:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:59:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:59:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:59:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:59:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:59:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:59:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:59:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:59:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 00:59:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 00:59:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:59:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:59:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:59:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:59:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:59:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-15 00:59:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 00:59:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-15 00:59:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure rep_nop [2019-10-15 00:59:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2019-10-15 00:59:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 00:59:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 00:59:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 00:59:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:59:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 00:59:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-15 00:59:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 00:59:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-15 00:59:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 00:59:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 00:59:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 00:59:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-15 00:59:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-15 00:59:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_42 [2019-10-15 00:59:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-15 00:59:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-15 00:59:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-15 00:59:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-15 00:59:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-15 00:59:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:59:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-15 00:59:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:59:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-15 00:59:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-15 00:59:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-15 00:59:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-15 00:59:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-15 00:59:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-15 00:59:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-15 00:59:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-15 00:59:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-15 00:59:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-10-15 00:59:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-10-15 00:59:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-15 00:59:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:59:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:59:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 00:59:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:59:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-10-15 00:59:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2019-10-15 00:59:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-10-15 00:59:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2019-10-15 00:59:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-15 00:59:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-15 00:59:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-15 00:59:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-15 00:59:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-15 00:59:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-15 00:59:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_44 [2019-10-15 00:59:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-15 00:59:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_45 [2019-10-15 00:59:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-15 00:59:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-15 00:59:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-15 00:59:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-15 00:59:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2019-10-15 00:59:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2019-10-15 00:59:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-15 00:59:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-15 00:59:23,958 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 00:59:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-15 00:59:23,959 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 00:59:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2019-10-15 00:59:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-15 00:59:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2019-10-15 00:59:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-15 00:59:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-15 00:59:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-15 00:59:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-15 00:59:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-15 00:59:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-15 00:59:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2019-10-15 00:59:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2019-10-15 00:59:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-15 00:59:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-15 00:59:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-15 00:59:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-15 00:59:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-15 00:59:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-15 00:59:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-15 00:59:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-15 00:59:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:59:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-15 00:59:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-15 00:59:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-15 00:59:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-15 00:59:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-15 00:59:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-15 00:59:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-15 00:59:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-15 00:59:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-15 00:59:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 00:59:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-15 00:59:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-15 00:59:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-15 00:59:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:59:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-15 00:59:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-15 00:59:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-15 00:59:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-15 00:59:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-15 00:59:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-15 00:59:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 00:59:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-15 00:59:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-15 00:59:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_41 [2019-10-15 00:59:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-15 00:59:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2019-10-15 00:59:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-15 00:59:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-15 00:59:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-15 00:59:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2019-10-15 00:59:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_40 [2019-10-15 00:59:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-15 00:59:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-15 00:59:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-15 00:59:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-15 00:59:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-15 00:59:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-15 00:59:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-15 00:59:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-15 00:59:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-15 00:59:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-15 00:59:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-15 00:59:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-15 00:59:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2019-10-15 00:59:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-15 00:59:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_39 [2019-10-15 00:59:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_type_trans [2019-10-15 00:59:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_change_mtu [2019-10-15 00:59:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_mac_addr [2019-10-15 00:59:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_hippi_dev [2019-10-15 00:59:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2019-10-15 00:59:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure set_rxaddr [2019-10-15 00:59:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure set_infoaddr [2019-10-15 00:59:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init [2019-10-15 00:59:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2019-10-15 00:59:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure rr_interrupt [2019-10-15 00:59:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure rr_open [2019-10-15 00:59:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure rr_start_xmit [2019-10-15 00:59:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure rr_close [2019-10-15 00:59:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure rr_ioctl [2019-10-15 00:59:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2019-10-15 00:59:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2019-10-15 00:59:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure rr_load_firmware [2019-10-15 00:59:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2019-10-15 00:59:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2019-10-15 00:59:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init_one [2019-10-15 00:59:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:59:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure rr_remove_one [2019-10-15 00:59:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure rr_issue_cmd [2019-10-15 00:59:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure rr_reset [2019-10-15 00:59:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2019-10-15 00:59:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure rr_handle_event [2019-10-15 00:59:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure rx_int [2019-10-15 00:59:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure rr_timer [2019-10-15 00:59:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure rr_dump [2019-10-15 00:59:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure rr_driver_init [2019-10-15 00:59:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure rr_driver_exit [2019-10-15 00:59:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-10-15 00:59:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-10-15 00:59:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:59:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-10-15 00:59:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:59:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-15 00:59:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:59:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:59:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:59:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:59:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:59:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:59:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-15 00:59:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 00:59:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-15 00:59:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-15 00:59:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:59:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 00:59:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-15 00:59:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:59:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:59:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:59:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:59:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:59:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:59:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 00:59:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:59:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 00:59:25,937 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:59:45,680 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:59:45,680 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:59:45,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:59:45 BoogieIcfgContainer [2019-10-15 00:59:45,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:59:45,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:59:45,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:59:45,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:59:45,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:59:20" (1/3) ... [2019-10-15 00:59:45,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbd758e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:59:45, skipping insertion in model container [2019-10-15 00:59:45,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:59:23" (2/3) ... [2019-10-15 00:59:45,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbd758e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:59:45, skipping insertion in model container [2019-10-15 00:59:45,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:59:45" (3/3) ... [2019-10-15 00:59:45,690 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2019-10-15 00:59:45,699 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:59:45,710 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:59:45,724 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:59:45,764 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:59:45,764 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:59:45,764 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:59:45,765 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:59:45,765 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:59:45,765 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:59:45,765 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:59:45,765 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:59:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states. [2019-10-15 00:59:45,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 00:59:45,860 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:45,861 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2019-10-15 00:59:45,864 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:45,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:45,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1827391194, now seen corresponding path program 1 times [2019-10-15 00:59:45,876 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:45,876 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220462152] [2019-10-15 00:59:45,876 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:45,876 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:45,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:46,769 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-10-15 00:59:46,770 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220462152] [2019-10-15 00:59:46,771 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:46,771 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:59:46,771 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602480521] [2019-10-15 00:59:46,777 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:59:46,780 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:46,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:59:46,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:59:46,797 INFO L87 Difference]: Start difference. First operand 1646 states. Second operand 3 states. [2019-10-15 00:59:47,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:47,258 INFO L93 Difference]: Finished difference Result 4216 states and 5649 transitions. [2019-10-15 00:59:47,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:59:47,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-10-15 00:59:47,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:47,292 INFO L225 Difference]: With dead ends: 4216 [2019-10-15 00:59:47,292 INFO L226 Difference]: Without dead ends: 2585 [2019-10-15 00:59:47,306 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:59:47,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2585 states. [2019-10-15 00:59:47,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2585 to 2565. [2019-10-15 00:59:47,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2565 states. [2019-10-15 00:59:47,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3403 transitions. [2019-10-15 00:59:47,566 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3403 transitions. Word has length 99 [2019-10-15 00:59:47,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:47,567 INFO L462 AbstractCegarLoop]: Abstraction has 2565 states and 3403 transitions. [2019-10-15 00:59:47,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:59:47,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3403 transitions. [2019-10-15 00:59:47,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-15 00:59:47,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:47,574 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:47,574 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:47,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:47,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1782199768, now seen corresponding path program 1 times [2019-10-15 00:59:47,575 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:47,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931727777] [2019-10-15 00:59:47,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:47,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:47,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-15 00:59:47,915 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931727777] [2019-10-15 00:59:47,915 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:47,915 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:59:47,915 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733387912] [2019-10-15 00:59:47,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:59:47,917 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:47,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:59:47,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:59:47,918 INFO L87 Difference]: Start difference. First operand 2565 states and 3403 transitions. Second operand 5 states. [2019-10-15 00:59:48,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:48,278 INFO L93 Difference]: Finished difference Result 7660 states and 10187 transitions. [2019-10-15 00:59:48,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:59:48,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2019-10-15 00:59:48,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:48,321 INFO L225 Difference]: With dead ends: 7660 [2019-10-15 00:59:48,322 INFO L226 Difference]: Without dead ends: 5121 [2019-10-15 00:59:48,335 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 00:59:48,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5121 states. [2019-10-15 00:59:48,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5121 to 5098. [2019-10-15 00:59:48,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5098 states. [2019-10-15 00:59:48,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5098 states to 5098 states and 6770 transitions. [2019-10-15 00:59:48,596 INFO L78 Accepts]: Start accepts. Automaton has 5098 states and 6770 transitions. Word has length 138 [2019-10-15 00:59:48,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:48,597 INFO L462 AbstractCegarLoop]: Abstraction has 5098 states and 6770 transitions. [2019-10-15 00:59:48,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:59:48,597 INFO L276 IsEmpty]: Start isEmpty. Operand 5098 states and 6770 transitions. [2019-10-15 00:59:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-15 00:59:48,601 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:48,601 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:48,602 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:48,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:48,602 INFO L82 PathProgramCache]: Analyzing trace with hash -2110552006, now seen corresponding path program 1 times [2019-10-15 00:59:48,602 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:48,603 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165771752] [2019-10-15 00:59:48,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:48,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:48,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:48,866 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-15 00:59:48,866 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165771752] [2019-10-15 00:59:48,868 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:48,868 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:59:48,868 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317009751] [2019-10-15 00:59:48,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:59:48,870 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:48,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:59:48,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:59:48,871 INFO L87 Difference]: Start difference. First operand 5098 states and 6770 transitions. Second operand 5 states. [2019-10-15 00:59:49,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:49,252 INFO L93 Difference]: Finished difference Result 15284 states and 20328 transitions. [2019-10-15 00:59:49,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:59:49,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2019-10-15 00:59:49,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:49,314 INFO L225 Difference]: With dead ends: 15284 [2019-10-15 00:59:49,315 INFO L226 Difference]: Without dead ends: 10212 [2019-10-15 00:59:49,339 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 00:59:49,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10212 states. [2019-10-15 00:59:50,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10212 to 10173. [2019-10-15 00:59:50,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10173 states. [2019-10-15 00:59:50,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10173 states to 10173 states and 13512 transitions. [2019-10-15 00:59:50,751 INFO L78 Accepts]: Start accepts. Automaton has 10173 states and 13512 transitions. Word has length 139 [2019-10-15 00:59:50,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:50,752 INFO L462 AbstractCegarLoop]: Abstraction has 10173 states and 13512 transitions. [2019-10-15 00:59:50,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:59:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 10173 states and 13512 transitions. [2019-10-15 00:59:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-15 00:59:50,758 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:50,759 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:50,759 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:50,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:50,760 INFO L82 PathProgramCache]: Analyzing trace with hash -741259861, now seen corresponding path program 1 times [2019-10-15 00:59:50,760 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:50,760 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179519410] [2019-10-15 00:59:50,760 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:50,761 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:50,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:51,000 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-15 00:59:51,001 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179519410] [2019-10-15 00:59:51,001 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:51,001 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:59:51,002 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49222998] [2019-10-15 00:59:51,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:59:51,002 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:51,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:59:51,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:59:51,003 INFO L87 Difference]: Start difference. First operand 10173 states and 13512 transitions. Second operand 5 states. [2019-10-15 00:59:51,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:51,731 INFO L93 Difference]: Finished difference Result 30554 states and 40628 transitions. [2019-10-15 00:59:51,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:59:51,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2019-10-15 00:59:51,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:51,863 INFO L225 Difference]: With dead ends: 30554 [2019-10-15 00:59:51,864 INFO L226 Difference]: Without dead ends: 20407 [2019-10-15 00:59:51,908 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 00:59:51,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20407 states. [2019-10-15 00:59:52,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20407 to 20332. [2019-10-15 00:59:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20332 states. [2019-10-15 00:59:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20332 states to 20332 states and 27006 transitions. [2019-10-15 00:59:53,014 INFO L78 Accepts]: Start accepts. Automaton has 20332 states and 27006 transitions. Word has length 140 [2019-10-15 00:59:53,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:59:53,014 INFO L462 AbstractCegarLoop]: Abstraction has 20332 states and 27006 transitions. [2019-10-15 00:59:53,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:59:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 20332 states and 27006 transitions. [2019-10-15 00:59:53,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-15 00:59:53,023 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:59:53,023 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:59:53,024 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:59:53,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:59:53,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1715400605, now seen corresponding path program 1 times [2019-10-15 00:59:53,026 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:59:53,027 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603812147] [2019-10-15 00:59:53,027 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:53,027 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:59:53,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:59:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:59:53,303 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-15 00:59:53,304 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603812147] [2019-10-15 00:59:53,304 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:59:53,305 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:59:53,306 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728602727] [2019-10-15 00:59:53,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:59:53,312 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:59:53,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:59:53,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:59:53,314 INFO L87 Difference]: Start difference. First operand 20332 states and 27006 transitions. Second operand 5 states. [2019-10-15 00:59:54,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:59:54,381 INFO L93 Difference]: Finished difference Result 60567 states and 80488 transitions. [2019-10-15 00:59:54,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:59:54,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2019-10-15 00:59:54,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:59:54,566 INFO L225 Difference]: With dead ends: 60567 [2019-10-15 00:59:54,566 INFO L226 Difference]: Without dead ends: 40261 [2019-10-15 00:59:54,640 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 00:59:54,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40261 states.