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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 08:58:40,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 08:58:40,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 08:58:40,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 08:58:40,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 08:58:40,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 08:58:40,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 08:58:40,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 08:58:40,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 08:58:40,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 08:58:40,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 08:58:40,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 08:58:40,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 08:58:40,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 08:58:40,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 08:58:40,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 08:58:40,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 08:58:40,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 08:58:40,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 08:58:40,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 08:58:40,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 08:58:40,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 08:58:40,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 08:58:40,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 08:58:40,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 08:58:40,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 08:58:40,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 08:58:40,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 08:58:40,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 08:58:40,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 08:58:40,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 08:58:40,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 08:58:40,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 08:58:40,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 08:58:40,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 08:58:40,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 08:58:40,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 08:58:40,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 08:58:40,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 08:58:40,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 08:58:40,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 08:58:40,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 08:58:40,668 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 08:58:40,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 08:58:40,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 08:58:40,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 08:58:40,670 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 08:58:40,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 08:58:40,671 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 08:58:40,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 08:58:40,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 08:58:40,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 08:58:40,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 08:58:40,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 08:58:40,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 08:58:40,672 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 08:58:40,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 08:58:40,672 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 08:58:40,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 08:58:40,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 08:58:40,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 08:58:40,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 08:58:40,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 08:58:40,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 08:58:40,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 08:58:40,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 08:58:40,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 08:58:40,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 08:58:40,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 08:58:40,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 08:58:40,675 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 08:58:40,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 08:58:40,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 08:58:40,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 08:58:40,991 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 08:58:40,991 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 08:58:40,992 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2019-10-07 08:58:41,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/885befaae/574903eeca8b4498a0ed5632633887f7/FLAGb72bd612e [2019-10-07 08:58:41,908 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 08:58:41,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2019-10-07 08:58:41,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/885befaae/574903eeca8b4498a0ed5632633887f7/FLAGb72bd612e [2019-10-07 08:58:42,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/885befaae/574903eeca8b4498a0ed5632633887f7 [2019-10-07 08:58:42,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 08:58:42,440 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 08:58:42,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 08:58:42,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 08:58:42,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 08:58:42,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 08:58:42" (1/1) ... [2019-10-07 08:58:42,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fb099d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:58:42, skipping insertion in model container [2019-10-07 08:58:42,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 08:58:42" (1/1) ... [2019-10-07 08:58:42,456 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 08:58:42,568 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 08:58:44,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 08:58:44,623 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 08:58:44,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 08:58:45,356 INFO L192 MainTranslator]: Completed translation [2019-10-07 08:58:45,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:58:45 WrapperNode [2019-10-07 08:58:45,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 08:58:45,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 08:58:45,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 08:58:45,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 08:58:45,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:58:45" (1/1) ... [2019-10-07 08:58:45,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:58:45" (1/1) ... [2019-10-07 08:58:45,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:58:45" (1/1) ... [2019-10-07 08:58:45,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:58:45" (1/1) ... [2019-10-07 08:58:45,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:58:45" (1/1) ... [2019-10-07 08:58:45,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:58:45" (1/1) ... [2019-10-07 08:58:45,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:58:45" (1/1) ... [2019-10-07 08:58:45,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 08:58:45,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 08:58:45,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 08:58:45,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 08:58:45,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:58:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 08:58:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 08:58:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 08:58:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 08:58:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-07 08:58:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-07 08:58:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 08:58:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 08:58:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-07 08:58:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 08:58:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-07 08:58:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-10-07 08:58:45,764 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-07 08:58:45,764 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2019-10-07 08:58:45,764 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-10-07 08:58:45,764 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-07 08:58:45,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 08:58:45,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 08:58:45,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 08:58:45,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 08:58:45,767 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-07 08:58:45,769 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-07 08:58:45,769 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-07 08:58:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-07 08:58:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_tx_timestamp [2019-10-07 08:58:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2019-10-07 08:58:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 08:58:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 08:58:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 08:58:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 08:58:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 08:58:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 08:58:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 08:58:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 08:58:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 08:58:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync_lockdep [2019-10-07 08:58:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync_lockdep_irqsave [2019-10-07 08:58:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2019-10-07 08:58:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep_irqrestore [2019-10-07 08:58:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 08:58:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 08:58:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 08:58:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-07 08:58:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 08:58:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-07 08:58:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 08:58:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-07 08:58:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-07 08:58:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_consume_skb_any [2019-10-07 08:58:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_open [2019-10-07 08:58:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_close [2019-10-07 08:58:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_tx_timeout [2019-10-07 08:58:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_start_xmit [2019-10-07 08:58:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_interrupt [2019-10-07 08:58:45,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_poll [2019-10-07 08:58:45,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_err [2019-10-07 08:58:45,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_intr [2019-10-07 08:58:45,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_receive [2019-10-07 08:58:45,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_rx_overrun [2019-10-07 08:58:45,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_get_stats [2019-10-07 08:58:45,777 INFO L138 BoogieDeclarations]: Found implementation of procedure make_mc_bits [2019-10-07 08:58:45,777 INFO L138 BoogieDeclarations]: Found implementation of procedure do_set_multicast_list [2019-10-07 08:58:45,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_set_multicast_list [2019-10-07 08:58:45,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ethdev_setup [2019-10-07 08:58:45,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ____alloc_ei_netdev [2019-10-07 08:58:45,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __NS8390_init [2019-10-07 08:58:45,778 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_trigger_send [2019-10-07 08:58:45,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_open [2019-10-07 08:58:45,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_close [2019-10-07 08:58:45,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_start_xmit [2019-10-07 08:58:45,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_get_stats [2019-10-07 08:58:45,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_set_multicast_list [2019-10-07 08:58:45,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_timeout [2019-10-07 08:58:45,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_interrupt [2019-10-07 08:58:45,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_poll [2019-10-07 08:58:45,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_ei_netdev [2019-10-07 08:58:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_init [2019-10-07 08:58:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ns8390_module_init [2019-10-07 08:58:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ns8390_module_exit [2019-10-07 08:58:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_1 [2019-10-07 08:58:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-10-07 08:58:45,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 08:58:45,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-07 08:58:45,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-07 08:58:45,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-07 08:58:45,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-07 08:58:45,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-07 08:58:45,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2019-10-07 08:58:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2019-10-07 08:58:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-07 08:58:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-07 08:58:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-07 08:58:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-07 08:58:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-07 08:58:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 08:58:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 08:58:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 08:58:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 08:58:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-07 08:58:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 08:58:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-07 08:58:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-07 08:58:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-07 08:58:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-07 08:58:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-07 08:58:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 08:58:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 08:58:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-07 08:58:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-07 08:58:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-07 08:58:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 08:58:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 08:58:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 08:58:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 08:58:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 08:58:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-07 08:58:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-10-07 08:58:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-07 08:58:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-10-07 08:58:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-10-07 08:58:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2019-10-07 08:58:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-07 08:58:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-10-07 08:58:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-07 08:58:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-07 08:58:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-07 08:58:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2019-10-07 08:58:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_1 [2019-10-07 08:58:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-10-07 08:58:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_1 [2019-10-07 08:58:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-10-07 08:58:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-07 08:58:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2019-10-07 08:58:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-07 08:58:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 08:58:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone_tx_timestamp [2019-10-07 08:58:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_defer_rx_timestamp [2019-10-07 08:58:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 08:58:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2019-10-07 08:58:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-07 08:58:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-07 08:58:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 08:58:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 08:58:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 08:58:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 08:58:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 08:58:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 08:58:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 08:58:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 08:58:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 08:58:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 08:58:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-07 08:58:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 08:58:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 08:58:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 08:58:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-07 08:58:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 08:58:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 08:58:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-07 08:58:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 08:58:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-10-07 08:58:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-07 08:58:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2019-10-07 08:58:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-10-07 08:58:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-07 08:58:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-07 08:58:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-07 08:58:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 08:58:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 08:58:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 08:58:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 08:58:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 08:58:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 08:58:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 08:58:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 08:58:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 08:58:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-07 08:58:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-07 08:58:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-07 08:58:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-07 08:58:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-07 08:58:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-07 08:58:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-07 08:58:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-07 08:58:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 08:58:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-07 08:58:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 08:58:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 08:58:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2019-10-07 08:58:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone_tx_timestamp [2019-10-07 08:58:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure skb_defer_rx_timestamp [2019-10-07 08:58:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2019-10-07 08:58:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure sw_tx_timestamp [2019-10-07 08:58:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2019-10-07 08:58:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-07 08:58:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-07 08:58:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-07 08:58:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 08:58:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 08:58:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 08:58:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 08:58:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 08:58:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 08:58:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 08:58:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 08:58:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 08:58:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 08:58:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 08:58:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 08:58:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 08:58:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 08:58:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 08:58:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 08:58:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_1 [2019-10-07 08:58:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-10-07 08:58:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 08:58:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2019-10-07 08:58:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-10-07 08:58:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-07 08:58:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync_lockdep [2019-10-07 08:58:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync_lockdep_irqsave [2019-10-07 08:58:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2019-10-07 08:58:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep_irqrestore [2019-10-07 08:58:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-10-07 08:58:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-07 08:58:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 08:58:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 08:58:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-07 08:58:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 08:58:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-07 08:58:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 08:58:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-07 08:58:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 08:58:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 08:58:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-07 08:58:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-07 08:58:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-07 08:58:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure dev_consume_skb_any [2019-10-07 08:58:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2019-10-07 08:58:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-10-07 08:58:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2019-10-07 08:58:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-07 08:58:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-07 08:58:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-07 08:58:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2019-10-07 08:58:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-07 08:58:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-07 08:58:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-10-07 08:58:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 08:58:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure ei_poll [2019-10-07 08:58:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_init [2019-10-07 08:58:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure ei_open [2019-10-07 08:58:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure ei_close [2019-10-07 08:58:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure ei_interrupt [2019-10-07 08:58:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_timeout [2019-10-07 08:58:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure ei_start_xmit [2019-10-07 08:58:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure ei_set_multicast_list [2019-10-07 08:58:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure ei_get_stats [2019-10-07 08:58:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_ei_netdev [2019-10-07 08:58:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_intr [2019-10-07 08:58:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_err [2019-10-07 08:58:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure ei_receive [2019-10-07 08:58:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure ei_rx_overrun [2019-10-07 08:58:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_trigger_send [2019-10-07 08:58:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure do_set_multicast_list [2019-10-07 08:58:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure __NS8390_init [2019-10-07 08:58:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_open [2019-10-07 08:58:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_close [2019-10-07 08:58:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_tx_timeout [2019-10-07 08:58:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 08:58:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 08:58:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 08:58:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_start_xmit [2019-10-07 08:58:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 08:58:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-07 08:58:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 08:58:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_interrupt [2019-10-07 08:58:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_poll [2019-10-07 08:58:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-07 08:58:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_get_stats [2019-10-07 08:58:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure make_mc_bits [2019-10-07 08:58:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_set_multicast_list [2019-10-07 08:58:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure ethdev_setup [2019-10-07 08:58:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure ____alloc_ei_netdev [2019-10-07 08:58:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure ns8390_module_init [2019-10-07 08:58:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure ns8390_module_exit [2019-10-07 08:58:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-10-07 08:58:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-10-07 08:58:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 08:58:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 08:58:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_1 [2019-10-07 08:58:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_1 [2019-10-07 08:58:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 08:58:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-07 08:58:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-07 08:58:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-07 08:58:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-07 08:58:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-07 08:58:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 08:58:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 08:58:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 08:58:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 08:58:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-07 08:58:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-07 08:58:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-07 08:58:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 08:58:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 08:58:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 08:58:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 08:58:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 08:58:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 08:58:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 08:58:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 08:58:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 08:58:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 08:58:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 08:58:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 08:58:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 08:58:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 08:58:46,909 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 08:58:54,796 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 08:58:54,796 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 08:58:54,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 08:58:54 BoogieIcfgContainer [2019-10-07 08:58:54,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 08:58:54,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 08:58:54,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 08:58:54,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 08:58:54,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 08:58:42" (1/3) ... [2019-10-07 08:58:54,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439f5abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 08:58:54, skipping insertion in model container [2019-10-07 08:58:54,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 08:58:45" (2/3) ... [2019-10-07 08:58:54,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439f5abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 08:58:54, skipping insertion in model container [2019-10-07 08:58:54,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 08:58:54" (3/3) ... [2019-10-07 08:58:54,812 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2019-10-07 08:58:54,822 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 08:58:54,833 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 08:58:54,844 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 08:58:54,877 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 08:58:54,877 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 08:58:54,877 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 08:58:54,877 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 08:58:54,877 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 08:58:54,878 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 08:58:54,878 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 08:58:54,878 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 08:58:54,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states. [2019-10-07 08:58:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 08:58:54,936 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:58:54,937 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:58:54,939 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:58:54,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:58:54,945 INFO L82 PathProgramCache]: Analyzing trace with hash -736389471, now seen corresponding path program 1 times [2019-10-07 08:58:54,954 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:58:54,955 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:58:54,955 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:58:54,955 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:58:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:58:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:58:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 08:58:55,668 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:58:55,668 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:58:55,668 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 08:58:55,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 08:58:55,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 08:58:55,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 08:58:55,693 INFO L87 Difference]: Start difference. First operand 1018 states. Second operand 3 states. [2019-10-07 08:58:56,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:58:56,622 INFO L93 Difference]: Finished difference Result 2891 states and 4033 transitions. [2019-10-07 08:58:56,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 08:58:56,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-10-07 08:58:56,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:58:56,669 INFO L225 Difference]: With dead ends: 2891 [2019-10-07 08:58:56,669 INFO L226 Difference]: Without dead ends: 1897 [2019-10-07 08:58:56,682 INFO L606 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 [2019-10-07 08:58:56,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2019-10-07 08:58:56,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1897. [2019-10-07 08:58:56,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1897 states. [2019-10-07 08:58:56,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2595 transitions. [2019-10-07 08:58:56,954 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2595 transitions. Word has length 55 [2019-10-07 08:58:56,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:58:56,956 INFO L462 AbstractCegarLoop]: Abstraction has 1897 states and 2595 transitions. [2019-10-07 08:58:56,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 08:58:56,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2595 transitions. [2019-10-07 08:58:56,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 08:58:56,969 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:58:56,970 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:58:56,970 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:58:56,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:58:56,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1179551353, now seen corresponding path program 1 times [2019-10-07 08:58:56,971 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:58:56,971 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:58:56,971 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:58:56,972 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:58:56,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:58:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:58:57,294 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 08:58:57,294 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:58:57,294 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:58:57,295 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:58:57,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:58:57,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:58:57,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:58:57,298 INFO L87 Difference]: Start difference. First operand 1897 states and 2595 transitions. Second operand 5 states. [2019-10-07 08:58:57,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:58:57,652 INFO L93 Difference]: Finished difference Result 3774 states and 5166 transitions. [2019-10-07 08:58:57,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 08:58:57,653 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2019-10-07 08:58:57,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:58:57,668 INFO L225 Difference]: With dead ends: 3774 [2019-10-07 08:58:57,669 INFO L226 Difference]: Without dead ends: 1897 [2019-10-07 08:58:57,677 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-07 08:58:57,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2019-10-07 08:58:57,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1897. [2019-10-07 08:58:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1897 states. [2019-10-07 08:58:57,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2593 transitions. [2019-10-07 08:58:57,793 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2593 transitions. Word has length 57 [2019-10-07 08:58:57,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:58:57,794 INFO L462 AbstractCegarLoop]: Abstraction has 1897 states and 2593 transitions. [2019-10-07 08:58:57,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:58:57,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2593 transitions. [2019-10-07 08:58:57,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-07 08:58:57,800 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:58:57,800 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2019-10-07 08:58:57,801 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:58:57,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:58:57,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1930071232, now seen corresponding path program 1 times [2019-10-07 08:58:57,801 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:58:57,801 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:58:57,802 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:58:57,802 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:58:57,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:58:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:58:58,217 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-07 08:58:58,218 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:58:58,218 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:58:58,219 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 08:58:58,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 08:58:58,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 08:58:58,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 08:58:58,221 INFO L87 Difference]: Start difference. First operand 1897 states and 2593 transitions. Second operand 6 states. [2019-10-07 08:59:00,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:59:00,978 INFO L93 Difference]: Finished difference Result 3782 states and 5220 transitions. [2019-10-07 08:59:00,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 08:59:00,979 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-10-07 08:59:00,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:59:01,010 INFO L225 Difference]: With dead ends: 3782 [2019-10-07 08:59:01,011 INFO L226 Difference]: Without dead ends: 3768 [2019-10-07 08:59:01,014 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 08:59:01,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3768 states. [2019-10-07 08:59:01,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3768 to 3768. [2019-10-07 08:59:01,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3768 states. [2019-10-07 08:59:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3768 states and 5206 transitions. [2019-10-07 08:59:01,322 INFO L78 Accepts]: Start accepts. Automaton has 3768 states and 5206 transitions. Word has length 87 [2019-10-07 08:59:01,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:59:01,323 INFO L462 AbstractCegarLoop]: Abstraction has 3768 states and 5206 transitions. [2019-10-07 08:59:01,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 08:59:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 3768 states and 5206 transitions. [2019-10-07 08:59:01,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-07 08:59:01,356 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:59:01,357 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:59:01,357 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:59:01,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:59:01,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1315456422, now seen corresponding path program 1 times [2019-10-07 08:59:01,358 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:59:01,359 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:01,359 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:01,359 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:01,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:59:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:59:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-10-07 08:59:01,727 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:01,728 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:59:01,728 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 08:59:01,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 08:59:01,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 08:59:01,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 08:59:01,732 INFO L87 Difference]: Start difference. First operand 3768 states and 5206 transitions. Second operand 3 states. [2019-10-07 08:59:02,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:59:02,371 INFO L93 Difference]: Finished difference Result 9020 states and 12357 transitions. [2019-10-07 08:59:02,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 08:59:02,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-07 08:59:02,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:59:02,408 INFO L225 Difference]: With dead ends: 9020 [2019-10-07 08:59:02,409 INFO L226 Difference]: Without dead ends: 5272 [2019-10-07 08:59:02,424 INFO L606 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 [2019-10-07 08:59:02,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5272 states. [2019-10-07 08:59:02,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5272 to 5246. [2019-10-07 08:59:02,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5246 states. [2019-10-07 08:59:02,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5246 states to 5246 states and 7146 transitions. [2019-10-07 08:59:02,753 INFO L78 Accepts]: Start accepts. Automaton has 5246 states and 7146 transitions. Word has length 238 [2019-10-07 08:59:02,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:59:02,754 INFO L462 AbstractCegarLoop]: Abstraction has 5246 states and 7146 transitions. [2019-10-07 08:59:02,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 08:59:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 5246 states and 7146 transitions. [2019-10-07 08:59:02,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-07 08:59:02,786 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:59:02,787 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:59:02,787 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:59:02,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:59:02,788 INFO L82 PathProgramCache]: Analyzing trace with hash 851825784, now seen corresponding path program 1 times [2019-10-07 08:59:02,789 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:59:02,789 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:02,789 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:02,789 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:02,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:59:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:59:03,083 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-10-07 08:59:03,084 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:03,084 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:59:03,085 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 08:59:03,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 08:59:03,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 08:59:03,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 08:59:03,087 INFO L87 Difference]: Start difference. First operand 5246 states and 7146 transitions. Second operand 3 states. [2019-10-07 08:59:03,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:59:03,649 INFO L93 Difference]: Finished difference Result 10563 states and 14390 transitions. [2019-10-07 08:59:03,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 08:59:03,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2019-10-07 08:59:03,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:59:03,691 INFO L225 Difference]: With dead ends: 10563 [2019-10-07 08:59:03,692 INFO L226 Difference]: Without dead ends: 5337 [2019-10-07 08:59:03,718 INFO L606 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 [2019-10-07 08:59:03,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5337 states. [2019-10-07 08:59:04,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5337 to 5321. [2019-10-07 08:59:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5321 states. [2019-10-07 08:59:04,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 7248 transitions. [2019-10-07 08:59:04,169 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 7248 transitions. Word has length 235 [2019-10-07 08:59:04,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:59:04,171 INFO L462 AbstractCegarLoop]: Abstraction has 5321 states and 7248 transitions. [2019-10-07 08:59:04,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 08:59:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 7248 transitions. [2019-10-07 08:59:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-07 08:59:04,195 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:59:04,195 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:59:04,196 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:59:04,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:59:04,196 INFO L82 PathProgramCache]: Analyzing trace with hash -939376904, now seen corresponding path program 2 times [2019-10-07 08:59:04,196 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:59:04,197 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:04,197 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:04,197 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:04,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:59:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:59:04,472 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2019-10-07 08:59:04,472 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:04,473 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:59:04,473 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 08:59:04,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 08:59:04,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 08:59:04,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 08:59:04,476 INFO L87 Difference]: Start difference. First operand 5321 states and 7248 transitions. Second operand 3 states. [2019-10-07 08:59:05,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:59:05,527 INFO L93 Difference]: Finished difference Result 13535 states and 18475 transitions. [2019-10-07 08:59:05,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 08:59:05,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2019-10-07 08:59:05,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:59:05,615 INFO L225 Difference]: With dead ends: 13535 [2019-10-07 08:59:05,615 INFO L226 Difference]: Without dead ends: 8257 [2019-10-07 08:59:05,644 INFO L606 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 [2019-10-07 08:59:05,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8257 states. [2019-10-07 08:59:06,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8257 to 8241. [2019-10-07 08:59:06,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8241 states. [2019-10-07 08:59:06,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8241 states to 8241 states and 11160 transitions. [2019-10-07 08:59:06,279 INFO L78 Accepts]: Start accepts. Automaton has 8241 states and 11160 transitions. Word has length 235 [2019-10-07 08:59:06,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:59:06,280 INFO L462 AbstractCegarLoop]: Abstraction has 8241 states and 11160 transitions. [2019-10-07 08:59:06,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 08:59:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 8241 states and 11160 transitions. [2019-10-07 08:59:06,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-07 08:59:06,310 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:59:06,310 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:59:06,310 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:59:06,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:59:06,311 INFO L82 PathProgramCache]: Analyzing trace with hash -447867332, now seen corresponding path program 2 times [2019-10-07 08:59:06,311 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:59:06,311 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:06,311 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:06,312 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:06,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:59:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:59:06,580 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2019-10-07 08:59:06,581 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:06,581 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:59:06,582 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 08:59:06,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 08:59:06,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 08:59:06,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 08:59:06,584 INFO L87 Difference]: Start difference. First operand 8241 states and 11160 transitions. Second operand 3 states. [2019-10-07 08:59:07,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:59:07,982 INFO L93 Difference]: Finished difference Result 20621 states and 27995 transitions. [2019-10-07 08:59:07,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 08:59:07,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-07 08:59:07,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:59:08,092 INFO L225 Difference]: With dead ends: 20621 [2019-10-07 08:59:08,092 INFO L226 Difference]: Without dead ends: 12423 [2019-10-07 08:59:08,153 INFO L606 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 [2019-10-07 08:59:08,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12423 states. [2019-10-07 08:59:08,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12423 to 12373. [2019-10-07 08:59:08,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12373 states. [2019-10-07 08:59:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12373 states to 12373 states and 16682 transitions. [2019-10-07 08:59:09,012 INFO L78 Accepts]: Start accepts. Automaton has 12373 states and 16682 transitions. Word has length 238 [2019-10-07 08:59:09,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:59:09,016 INFO L462 AbstractCegarLoop]: Abstraction has 12373 states and 16682 transitions. [2019-10-07 08:59:09,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 08:59:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 12373 states and 16682 transitions. [2019-10-07 08:59:09,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-07 08:59:09,053 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:59:09,053 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:59:09,053 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:59:09,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:59:09,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1177126912, now seen corresponding path program 1 times [2019-10-07 08:59:09,054 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:59:09,054 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:09,054 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:09,054 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:09,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:59:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:59:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-10-07 08:59:09,391 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:09,393 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:59:09,394 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:59:09,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:59:09,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:59:09,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:59:09,396 INFO L87 Difference]: Start difference. First operand 12373 states and 16682 transitions. Second operand 5 states. [2019-10-07 08:59:09,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:59:09,931 INFO L93 Difference]: Finished difference Result 24801 states and 33809 transitions. [2019-10-07 08:59:09,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 08:59:09,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2019-10-07 08:59:09,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:59:10,007 INFO L225 Difference]: With dead ends: 24801 [2019-10-07 08:59:10,007 INFO L226 Difference]: Without dead ends: 12471 [2019-10-07 08:59:10,067 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:59:10,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12471 states. [2019-10-07 08:59:11,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12471 to 12453. [2019-10-07 08:59:11,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12453 states. [2019-10-07 08:59:11,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12453 states to 12453 states and 16770 transitions. [2019-10-07 08:59:11,676 INFO L78 Accepts]: Start accepts. Automaton has 12453 states and 16770 transitions. Word has length 235 [2019-10-07 08:59:11,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:59:11,677 INFO L462 AbstractCegarLoop]: Abstraction has 12453 states and 16770 transitions. [2019-10-07 08:59:11,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:59:11,677 INFO L276 IsEmpty]: Start isEmpty. Operand 12453 states and 16770 transitions. [2019-10-07 08:59:11,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-10-07 08:59:11,714 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:59:11,714 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 6, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:59:11,714 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:59:11,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:59:11,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1904772496, now seen corresponding path program 1 times [2019-10-07 08:59:11,715 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:59:11,715 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:11,716 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:11,716 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:11,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:59:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:59:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-10-07 08:59:12,534 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:12,535 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:59:12,535 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 08:59:12,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 08:59:12,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 08:59:12,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-07 08:59:12,538 INFO L87 Difference]: Start difference. First operand 12453 states and 16770 transitions. Second operand 11 states. [2019-10-07 08:59:13,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:59:13,228 INFO L93 Difference]: Finished difference Result 25601 states and 35049 transitions. [2019-10-07 08:59:13,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 08:59:13,229 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2019-10-07 08:59:13,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:59:13,297 INFO L225 Difference]: With dead ends: 25601 [2019-10-07 08:59:13,297 INFO L226 Difference]: Without dead ends: 13191 [2019-10-07 08:59:13,340 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-10-07 08:59:13,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13191 states. [2019-10-07 08:59:14,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13191 to 12533. [2019-10-07 08:59:14,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12533 states. [2019-10-07 08:59:14,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12533 states to 12533 states and 16834 transitions. [2019-10-07 08:59:14,159 INFO L78 Accepts]: Start accepts. Automaton has 12533 states and 16834 transitions. Word has length 239 [2019-10-07 08:59:14,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:59:14,160 INFO L462 AbstractCegarLoop]: Abstraction has 12533 states and 16834 transitions. [2019-10-07 08:59:14,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 08:59:14,160 INFO L276 IsEmpty]: Start isEmpty. Operand 12533 states and 16834 transitions. [2019-10-07 08:59:14,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-10-07 08:59:14,200 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:59:14,201 INFO L385 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:59:14,201 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:59:14,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:59:14,202 INFO L82 PathProgramCache]: Analyzing trace with hash -208230911, now seen corresponding path program 1 times [2019-10-07 08:59:14,202 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:59:14,202 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:14,203 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:14,203 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:59:14,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:59:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:59:14,711 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2019-10-07 08:59:14,711 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:59:14,711 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 08:59:14,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 08:59:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:59:15,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 3316 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 08:59:15,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 08:59:15,748 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-10-07 08:59:15,749 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 08:59:16,606 WARN L191 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2019-10-07 08:59:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2019-10-07 08:59:17,089 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 08:59:17,135 INFO L162 IcfgInterpreter]: Started Sifa with 217 locations of interest [2019-10-07 08:59:17,135 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 08:59:17,143 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 08:59:17,150 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 08:59:17,151 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 08:59:21,871 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string73.base| |~#version~0.base|) [2019-10-07 08:59:33,730 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#version~0.base| |#t~string155.base|) [2019-10-07 08:59:36,837 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#version~0.base| |#t~string157.base|) [2019-10-07 08:59:40,817 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string171.base| |~#version~0.base|) [2019-10-07 09:00:11,769 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#version~0.base| |#t~string322.base|) [2019-10-07 09:00:22,034 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string370.base| |~#version~0.base|) [2019-10-07 09:00:27,783 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string414.base| |~#version~0.base|) [2019-10-07 09:00:30,835 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string435.base| |~#version~0.base|) [2019-10-07 09:00:35,560 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#version~0.base| ~__ksymtab_ei_close~0.name.base) [2019-10-07 09:00:38,825 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_ei_get_stats~0.name.base |~#version~0.base|) [2019-10-07 09:00:40,838 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_ei_set_multicast_list~0.name.base |~#version~0.base|) [2019-10-07 09:00:42,857 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_ei_tx_timeout~0.name.base |~#version~0.base|) [2019-10-07 09:00:44,899 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_ei_interrupt~0.name.base |~#version~0.base|) [2019-10-07 09:00:46,918 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_ei_poll~0.name.base |~#version~0.base|) [2019-10-07 09:00:48,937 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ ~__ksymtab_ei_netdev_ops~0.value (- |~#ei_netdev_ops~0.offset|)) |~#version~0.base|) [2019-10-07 09:00:52,059 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab___alloc_ei_netdev~0.name.base |~#version~0.base|) [2019-10-07 09:00:54,071 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_NS8390_init~0.name.base |~#version~0.base|) [2019-10-07 09:00:56,097 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#set_impl~0.base| |~#version~0.base|) [2019-10-07 09:00:59,094 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string70.base| |#t~string113.base|) [2019-10-07 09:01:04,334 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string120.base| |#t~string70.base|) [2019-10-07 09:01:06,356 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string121.base| |#t~string70.base|) [2019-10-07 09:01:32,630 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string219.base| |#t~string70.base|) [2019-10-07 09:01:37,345 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string70.base| |#t~string228.base|) [2019-10-07 09:01:41,471 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string262.base| |#t~string70.base|) [2019-10-07 09:01:48,404 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string70.base| |#t~string322.base|) [2019-10-07 09:01:54,242 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string337.base| |#t~string70.base|) [2019-10-07 09:02:31,115 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string73.base| |#t~string114.base|) [2019-10-07 09:02:39,398 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string73.base| |#t~string154.base|) [2019-10-07 09:03:05,378 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string219.base| |#t~string73.base|) [2019-10-07 09:03:08,696 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string73.base| |#t~string225.base|) [2019-10-07 09:03:23,275 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string337.base| |#t~string73.base|) [2019-10-07 09:03:46,374 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_ei_get_stats~0.name.base |#t~string73.base|) [2019-10-07 09:03:56,861 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_NS8390_init~0.name.base |#t~string73.base|) [2019-10-07 09:04:30,634 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string219.base| |#t~string113.base|) [2019-10-07 09:04:50,194 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string328.base| |#t~string113.base|) [2019-10-07 09:05:03,528 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string414.base| |#t~string113.base|) [2019-10-07 09:05:12,492 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_ei_close~0.name.base |#t~string113.base|) [2019-10-07 09:05:14,514 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_ei_start_xmit~0.name.base |#t~string113.base|) [2019-10-07 09:05:16,529 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_ei_get_stats~0.name.base |#t~string113.base|) [2019-10-07 09:05:19,548 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_ei_tx_timeout~0.name.base |#t~string113.base|) [2019-10-07 09:05:21,562 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_ei_interrupt~0.name.base |#t~string113.base|) [2019-10-07 09:05:23,572 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_ei_poll~0.name.base |#t~string113.base|) [2019-10-07 09:05:28,169 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab___alloc_ei_netdev~0.name.base |#t~string113.base|) [2019-10-07 09:05:30,197 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_NS8390_init~0.name.base |#t~string113.base|) [2019-10-07 09:05:32,205 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#set_impl~0.base| |#t~string113.base|) [2019-10-07 09:05:35,053 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string116.base| |#t~string114.base|) [2019-10-07 09:05:57,971 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string184.base| |#t~string114.base|) [2019-10-07 09:05:59,994 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string185.base| |#t~string114.base|) [2019-10-07 09:06:16,967 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string302.base| |#t~string114.base|) [2019-10-07 09:06:38,326 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string415.base| |#t~string114.base|) [2019-10-07 09:07:00,293 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string116.base| |#t~string115.base|) [2019-10-07 09:07:04,596 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string124.base| |#t~string115.base|) [2019-10-07 09:07:09,380 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string156.base| |#t~string115.base|) [2019-10-07 09:07:15,831 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string171.base| |#t~string115.base|) [2019-10-07 09:07:21,425 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string177.base| |#t~string115.base|) [2019-10-07 09:07:36,862 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string225.base| |#t~string115.base|) [2019-10-07 09:07:52,500 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string328.base| |#t~string115.base|) [2019-10-07 09:07:56,535 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string354.base| |#t~string115.base|) [2019-10-07 09:08:02,960 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string371.base| |#t~string115.base|) [2019-10-07 09:08:05,610 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string376.base| |#t~string115.base|) [2019-10-07 09:08:13,033 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__ksymtab_ei_open~0.name.base |#t~string115.base|) [2019-10-07 09:08:30,134 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string116.base| |#t~string121.base|) [2019-10-07 09:08:35,268 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string116.base| |#t~string156.base|) [2019-10-07 09:09:07,578 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string116.base| |#t~string274.base|) [2019-10-07 09:09:11,212 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string116.base| |#t~string321.base|) [2019-10-07 09:09:13,901 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string116.base| |#t~string323.base|) [2019-10-07 09:09:19,035 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string116.base| |#t~string337.base|) [2019-10-07 09:09:47,439 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string116.base| ~__ksymtab_ei_netdev_ops~0.name.base) [2019-10-07 09:09:54,007 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string120.base| |#t~string122.base|) [2019-10-07 09:10:05,808 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string120.base| |#t~string173.base|) [2019-10-07 09:10:14,579 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string120.base| |#t~string189.base|) [2019-10-07 09:10:21,281 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string120.base| |#t~string219.base|) [2019-10-07 09:10:34,518 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string120.base| |#t~string322.base|) [2019-10-07 09:10:53,843 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string120.base| |#t~string415.base|) [2019-10-07 09:11:01,426 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string120.base| ~__ksymtab_ei_start_xmit~0.name.base) [2019-10-07 09:11:09,702 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string120.base| (+ ~__ksymtab_ei_netdev_ops~0.value (- |~#ei_netdev_ops~0.offset|))) [2019-10-07 09:11:34,190 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string121.base| |#t~string184.base|) [2019-10-07 09:11:37,785 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string121.base| |#t~string189.base|) [2019-10-07 09:12:18,271 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string121.base| ~__ksymtab_ei_close~0.name.base) [2019-10-07 09:12:40,586 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string122.base| |#t~string155.base|) [2019-10-07 09:12:43,777 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string122.base| |#t~string157.base|)