java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 12:30:30,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:30:30,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:30:30,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:30:30,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:30:30,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:30:30,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:30:30,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:30:30,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:30:30,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:30:30,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:30:30,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:30:30,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:30:30,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:30:30,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:30:30,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:30:30,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:30:30,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:30:30,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:30:30,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:30:30,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:30:30,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:30:30,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:30:30,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:30:30,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 12:30:30,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 12:30:30,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 12:30:30,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 12:30:30,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 12:30:30,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 12:30:30,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:30:30,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:30:30,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:30:30,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:30:30,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:30:30,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:30:30,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:30:30,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:30:30,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:30:30,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:30:30,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:30:30,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 12:30:30,911 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:30:30,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:30:30,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:30:30,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:30:30,913 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:30:30,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:30:30,914 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:30:30,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:30:30,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:30:30,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:30:30,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:30:30,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:30:30,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:30:30,916 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:30:30,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:30:30,916 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:30:30,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:30:30,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:30:30,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:30:30,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:30:30,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:30:30,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:30:30,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:30:30,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:30:30,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:30:30,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:30:30,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:30:30,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:30:30,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 12:30:31,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:30:31,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:30:31,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:30:31,222 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:30:31,222 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:30:31,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-07 12:30:31,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d094d41/551a89d61e51416f81b5583336927586/FLAGe37eaf389 [2019-10-07 12:30:32,143 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:30:32,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-07 12:30:32,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d094d41/551a89d61e51416f81b5583336927586/FLAGe37eaf389 [2019-10-07 12:30:32,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d094d41/551a89d61e51416f81b5583336927586 [2019-10-07 12:30:32,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:30:32,688 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:30:32,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:30:32,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:30:32,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:30:32,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:30:32" (1/1) ... [2019-10-07 12:30:32,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2e6119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:30:32, skipping insertion in model container [2019-10-07 12:30:32,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:30:32" (1/1) ... [2019-10-07 12:30:32,703 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:30:32,866 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:30:35,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:30:35,795 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:30:36,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:30:37,033 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:30:37,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:30:37 WrapperNode [2019-10-07 12:30:37,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:30:37,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:30:37,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:30:37,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:30:37,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:30:37" (1/1) ... [2019-10-07 12:30:37,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:30:37" (1/1) ... [2019-10-07 12:30:37,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:30:37" (1/1) ... [2019-10-07 12:30:37,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:30:37" (1/1) ... [2019-10-07 12:30:37,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:30:37" (1/1) ... [2019-10-07 12:30:37,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:30:37" (1/1) ... [2019-10-07 12:30:37,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:30:37" (1/1) ... [2019-10-07 12:30:37,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:30:37,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:30:37,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:30:37,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:30:37,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:30:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:30:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:30:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:30:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 12:30:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 12:30:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-07 12:30:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 12:30:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 12:30:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 12:30:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 12:30:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 12:30:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 12:30:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 12:30:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 12:30:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 12:30:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 12:30:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_weight [2019-10-07 12:30:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2019-10-07 12:30:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2019-10-07 12:30:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2019-10-07 12:30:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 12:30:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-07 12:30:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 12:30:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-07 12:30:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_6 [2019-10-07 12:30:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-07 12:30:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-07 12:30:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_10 [2019-10-07 12:30:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-07 12:30:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-07 12:30:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_feature [2019-10-07 12:30:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 12:30:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 12:30:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2019-10-07 12:30:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2019-10-07 12:30:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-07 12:30:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2019-10-07 12:30:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2019-10-07 12:30:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2019-10-07 12:30:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-07 12:30:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2019-10-07 12:30:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2019-10-07 12:30:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-10-07 12:30:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-07 12:30:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-07 12:30:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2019-10-07 12:30:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_after [2019-10-07 12:30:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2019-10-07 12:30:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head [2019-10-07 12:30:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2019-10-07 12:30:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2019-10-07 12:30:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2019-10-07 12:30:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-07 12:30:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-10-07 12:30:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-07 12:30:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2019-10-07 12:30:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_purge [2019-10-07 12:30:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2019-10-07 12:30:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_linearize [2019-10-07 12:30:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_linearize [2019-10-07 12:30:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_has_frag_list [2019-10-07 12:30:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2019-10-07 12:30:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2019-10-07 12:30:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2019-10-07 12:30:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2019-10-07 12:30:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2019-10-07 12:30:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2019-10-07 12:30:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2019-10-07 12:30:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2019-10-07 12:30:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2019-10-07 12:30:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2019-10-07 12:30:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_synchronize [2019-10-07 12:30:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 12:30:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 12:30:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 12:30:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_all_queues [2019-10-07 12:30:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 12:30:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-07 12:30:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-07 12:30:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-07 12:30:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-07 12:30:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-10-07 12:30:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure net_gso_ok [2019-10-07 12:30:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_gso_ok [2019-10-07 12:30:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_needs_gso [2019-10-07 12:30:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __pfn_to_mfn [2019-10-07 12:30:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2019-10-07 12:30:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure page_to_mfn [2019-10-07 12:30:37,663 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2019-10-07 12:30:37,663 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_is_link [2019-10-07 12:30:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2019-10-07 12:30:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2019-10-07 12:30:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2019-10-07 12:30:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2019-10-07 12:30:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2019-10-07 12:30:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2019-10-07 12:30:37,665 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill_timeout [2019-10-07 12:30:37,665 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2019-10-07 12:30:37,665 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_maybe_wake_tx [2019-10-07 12:30:37,665 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_one_rx_buffer [2019-10-07 12:30:37,665 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2019-10-07 12:30:37,665 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_open [2019-10-07 12:30:37,665 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2019-10-07 12:30:37,666 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2019-10-07 12:30:37,666 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2019-10-07 12:30:37,666 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_count_skb_slots [2019-10-07 12:30:37,666 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2019-10-07 12:30:37,666 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_start_xmit [2019-10-07 12:30:37,666 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_close [2019-10-07 12:30:37,666 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_move_rx_slot [2019-10-07 12:30:37,667 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_extras [2019-10-07 12:30:37,667 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_responses [2019-10-07 12:30:37,667 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_skb_gso [2019-10-07 12:30:37,667 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fill_frags [2019-10-07 12:30:37,668 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum_setup [2019-10-07 12:30:37,668 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_incoming_queue [2019-10-07 12:30:37,668 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll [2019-10-07 12:30:37,668 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2019-10-07 12:30:37,668 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2019-10-07 12:30:37,668 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2019-10-07 12:30:37,668 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_rx_bufs [2019-10-07 12:30:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2019-10-07 12:30:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2019-10-07 12:30:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2019-10-07 12:30:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2019-10-07 12:30:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2019-10-07 12:30:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2019-10-07 12:30:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2019-10-07 12:30:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_create_dev [2019-10-07 12:30:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_probe [2019-10-07 12:30:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2019-10-07 12:30:37,671 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2019-10-07 12:30:37,672 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_resume [2019-10-07 12:30:37,672 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_mac [2019-10-07 12:30:37,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront_single [2019-10-07 12:30:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront_split [2019-10-07 12:30:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront [2019-10-07 12:30:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_init_queue [2019-10-07 12:30:37,677 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2019-10-07 12:30:37,677 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2019-10-07 12:30:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_create_queues [2019-10-07 12:30:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure talk_to_netback [2019-10-07 12:30:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_connect [2019-10-07 12:30:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2019-10-07 12:30:37,679 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_sset_count [2019-10-07 12:30:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_ethtool_stats [2019-10-07 12:30:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_strings [2019-10-07 12:30:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2019-10-07 12:30:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2019-10-07 12:30:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2019-10-07 12:30:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_init [2019-10-07 12:30:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_exit [2019-10-07 12:30:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-07 12:30:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_5 [2019-10-07 12:30:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-07 12:30:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_7 [2019-10-07 12:30:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-07 12:30:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-07 12:30:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-07 12:30:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-07 12:30:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_6 [2019-10-07 12:30:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_xenbus_driver_2 [2019-10-07 12:30:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-07 12:30:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_4 [2019-10-07 12:30:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:30:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-07 12:30:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 12:30:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 12:30:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 12:30:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-07 12:30:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 12:30:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 12:30:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-07 12:30:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 12:30:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 12:30:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-07 12:30:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-07 12:30:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-07 12:30:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 12:30:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-07 12:30:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-07 12:30:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-07 12:30:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-07 12:30:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-07 12:30:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-07 12:30:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-07 12:30:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-07 12:30:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-07 12:30:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_37 [2019-10-07 12:30:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___get_free_pages_38 [2019-10-07 12:30:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_39 [2019-10-07 12:30:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_40 [2019-10-07 12:30:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_41 [2019-10-07 12:30:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_42 [2019-10-07 12:30:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_43 [2019-10-07 12:30:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_44 [2019-10-07 12:30:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 12:30:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 12:30:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 12:30:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 12:30:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 12:30:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 12:30:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:30:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-07 12:30:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-07 12:30:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-07 12:30:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-07 12:30:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2019-10-07 12:30:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitmap_weight [2019-10-07 12:30:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-07 12:30:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-07 12:30:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-07 12:30:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-07 12:30:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_page_tail [2019-10-07 12:30:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2019-10-07 12:30:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-07 12:30:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2019-10-07 12:30:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 12:30:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_get_hash [2019-10-07 12:30:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __xenbus_register_frontend [2019-10-07 12:30:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 12:30:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 12:30:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-07 12:30:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 12:30:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 12:30:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-07 12:30:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 12:30:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:30:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-07 12:30:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2019-10-07 12:30:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-07 12:30:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-07 12:30:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 12:30:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-07 12:30:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_page [2019-10-07 12:30:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-07 12:30:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-07 12:30:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-07 12:30:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-10-07 12:30:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2019-10-07 12:30:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 12:30:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-10-07 12:30:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2019-10-07 12:30:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2019-10-07 12:30:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2019-10-07 12:30:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2019-10-07 12:30:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2019-10-07 12:30:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2019-10-07 12:30:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2019-10-07 12:30:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2019-10-07 12:30:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2019-10-07 12:30:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_query_foreign_access [2019-10-07 12:30:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2019-10-07 12:30:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-07 12:30:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 12:30:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 12:30:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_7 [2019-10-07 12:30:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_7 [2019-10-07 12:30:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-07 12:30:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_2 [2019-10-07 12:30:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-07 12:30:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-07 12:30:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2019-10-07 12:30:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2019-10-07 12:30:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2019-10-07 12:30:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-07 12:30:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notify_peers [2019-10-07 12:30:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2019-10-07 12:30:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-07 12:30:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-07 12:30:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2019-10-07 12:30:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2019-10-07 12:30:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2019-10-07 12:30:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_skb_features [2019-10-07 12:30:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2019-10-07 12:30:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 12:30:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2019-10-07 12:30:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 12:30:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-07 12:30:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-07 12:30:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-07 12:30:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-07 12:30:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2019-10-07 12:30:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_setup [2019-10-07 12:30:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2019-10-07 12:30:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-07 12:30:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 12:30:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_has_pv_nic_devices [2019-10-07 12:30:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2019-10-07 12:30:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2019-10-07 12:30:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2019-10-07 12:30:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_frontend_closed [2019-10-07 12:30:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2019-10-07 12:30:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2019-10-07 12:30:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2019-10-07 12:30:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2019-10-07 12:30:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2019-10-07 12:30:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2019-10-07 12:30:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2019-10-07 12:30:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_start [2019-10-07 12:30:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unregister_driver [2019-10-07 12:30:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2019-10-07 12:30:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 12:30:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 12:30:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 12:30:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 12:30:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 12:30:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:30:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 12:30:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 12:30:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 12:30:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-07 12:30:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 12:30:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:30:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2019-10-07 12:30:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 12:30:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-07 12:30:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-07 12:30:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-07 12:30:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 12:30:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-07 12:30:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 12:30:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 12:30:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 12:30:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-07 12:30:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-07 12:30:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 12:30:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 12:30:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 12:30:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 12:30:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 12:30:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 12:30:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 12:30:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 12:30:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 12:30:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 12:30:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 12:30:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 12:30:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 12:30:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 12:30:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 12:30:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 12:30:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 12:30:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 12:30:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 12:30:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-07 12:30:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 12:30:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-07 12:30:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure __bitmap_weight [2019-10-07 12:30:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_weight [2019-10-07 12:30:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2019-10-07 12:30:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:30:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2019-10-07 12:30:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2019-10-07 12:30:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-07 12:30:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 12:30:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 12:30:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 12:30:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-07 12:30:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 12:30:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 12:30:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-07 12:30:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 12:30:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 12:30:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-07 12:30:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 12:30:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:30:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 12:30:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-07 12:30:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 12:30:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_6 [2019-10-07 12:30:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-07 12:30:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-07 12:30:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 12:30:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-07 12:30:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 12:30:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_10 [2019-10-07 12:30:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-07 12:30:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-07 12:30:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 12:30:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-07 12:30:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 12:30:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure dump_page [2019-10-07 12:30:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-07 12:30:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_40 [2019-10-07 12:30:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-07 12:30:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_43 [2019-10-07 12:30:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure xen_feature [2019-10-07 12:30:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2019-10-07 12:30:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2019-10-07 12:30:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-07 12:30:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___get_free_pages_38 [2019-10-07 12:30:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2019-10-07 12:30:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-10-07 12:30:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-07 12:30:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 12:30:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-07 12:30:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_37 [2019-10-07 12:30:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-07 12:30:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 12:30:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 12:30:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-07 12:30:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_5 [2019-10-07 12:30:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-07 12:30:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_7 [2019-10-07 12:30:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-07 12:30:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-07 12:30:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-07 12:30:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-07 12:30:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_6 [2019-10-07 12:30:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_xenbus_driver_2 [2019-10-07 12:30:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-07 12:30:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_4 [2019-10-07 12:30:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-07 12:30:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 12:30:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:30:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 12:30:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:30:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 12:30:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-07 12:30:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 12:30:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2019-10-07 12:30:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure __get_page_tail [2019-10-07 12:30:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2019-10-07 12:30:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:30:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-07 12:30:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2019-10-07 12:30:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_get_hash [2019-10-07 12:30:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2019-10-07 12:30:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2019-10-07 12:30:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-07 12:30:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-07 12:30:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-07 12:30:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-07 12:30:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-07 12:30:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-07 12:30:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-07 12:30:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2019-10-07 12:30:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-07 12:30:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2019-10-07 12:30:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2019-10-07 12:30:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-10-07 12:30:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-07 12:30:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-07 12:30:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:30:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2019-10-07 12:30:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_after [2019-10-07 12:30:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2019-10-07 12:30:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head [2019-10-07 12:30:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2019-10-07 12:30:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2019-10-07 12:30:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2019-10-07 12:30:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-07 12:30:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-10-07 12:30:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2019-10-07 12:30:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2019-10-07 12:30:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-07 12:30:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2019-10-07 12:30:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_purge [2019-10-07 12:30:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-07 12:30:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-07 12:30:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-07 12:30:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_39 [2019-10-07 12:30:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2019-10-07 12:30:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_linearize [2019-10-07 12:30:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_linearize [2019-10-07 12:30:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure skb_has_frag_list [2019-10-07 12:30:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2019-10-07 12:30:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2019-10-07 12:30:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_setup [2019-10-07 12:30:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-07 12:30:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2019-10-07 12:30:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2019-10-07 12:30:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2019-10-07 12:30:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2019-10-07 12:30:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2019-10-07 12:30:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2019-10-07 12:30:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2019-10-07 12:30:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2019-10-07 12:30:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2019-10-07 12:30:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2019-10-07 12:30:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure napi_synchronize [2019-10-07 12:30:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 12:30:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 12:30:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2019-10-07 12:30:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2019-10-07 12:30:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 12:30:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_41 [2019-10-07 12:30:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 12:30:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_all_queues [2019-10-07 12:30:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 12:30:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 12:30:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2019-10-07 12:30:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-07 12:30:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-07 12:30:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2019-10-07 12:30:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-07 12:30:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-07 12:30:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-07 12:30:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-07 12:30:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2019-10-07 12:30:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-10-07 12:30:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-07 12:30:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-07 12:30:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-07 12:30:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_42 [2019-10-07 12:30:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-07 12:30:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_44 [2019-10-07 12:30:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notify_peers [2019-10-07 12:30:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2019-10-07 12:30:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_skb_features [2019-10-07 12:30:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure net_gso_ok [2019-10-07 12:30:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure skb_gso_ok [2019-10-07 12:30:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_needs_gso [2019-10-07 12:30:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-07 12:30:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-07 12:30:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-07 12:30:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 12:30:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-07 12:30:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-07 12:30:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-07 12:30:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure __xenbus_register_frontend [2019-10-07 12:30:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unregister_driver [2019-10-07 12:30:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2019-10-07 12:30:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2019-10-07 12:30:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_start [2019-10-07 12:30:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2019-10-07 12:30:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2019-10-07 12:30:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2019-10-07 12:30:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2019-10-07 12:30:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2019-10-07 12:30:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2019-10-07 12:30:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2019-10-07 12:30:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2019-10-07 12:30:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2019-10-07 12:30:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_frontend_closed [2019-10-07 12:30:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2019-10-07 12:30:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2019-10-07 12:30:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2019-10-07 12:30:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2019-10-07 12:30:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2019-10-07 12:30:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_query_foreign_access [2019-10-07 12:30:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2019-10-07 12:30:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2019-10-07 12:30:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2019-10-07 12:30:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2019-10-07 12:30:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2019-10-07 12:30:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2019-10-07 12:30:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure __pfn_to_mfn [2019-10-07 12:30:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2019-10-07 12:30:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure page_to_mfn [2019-10-07 12:30:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure xen_has_pv_nic_devices [2019-10-07 12:30:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2019-10-07 12:30:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_is_link [2019-10-07 12:30:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2019-10-07 12:30:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2019-10-07 12:30:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2019-10-07 12:30:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2019-10-07 12:30:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2019-10-07 12:30:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2019-10-07 12:30:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill_timeout [2019-10-07 12:30:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2019-10-07 12:30:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_maybe_wake_tx [2019-10-07 12:30:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_one_rx_buffer [2019-10-07 12:30:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2019-10-07 12:30:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_open [2019-10-07 12:30:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2019-10-07 12:30:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2019-10-07 12:30:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2019-10-07 12:30:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_count_skb_slots [2019-10-07 12:30:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2019-10-07 12:30:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_start_xmit [2019-10-07 12:30:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_close [2019-10-07 12:30:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_move_rx_slot [2019-10-07 12:30:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_extras [2019-10-07 12:30:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 12:30:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_responses [2019-10-07 12:30:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_skb_gso [2019-10-07 12:30:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fill_frags [2019-10-07 12:30:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure checksum_setup [2019-10-07 12:30:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure handle_incoming_queue [2019-10-07 12:30:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll [2019-10-07 12:30:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2019-10-07 12:30:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2019-10-07 12:30:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2019-10-07 12:30:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_rx_bufs [2019-10-07 12:30:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2019-10-07 12:30:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2019-10-07 12:30:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2019-10-07 12:30:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2019-10-07 12:30:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2019-10-07 12:30:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2019-10-07 12:30:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2019-10-07 12:30:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_create_dev [2019-10-07 12:30:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_probe [2019-10-07 12:30:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2019-10-07 12:30:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2019-10-07 12:30:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_resume [2019-10-07 12:30:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_mac [2019-10-07 12:30:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront_single [2019-10-07 12:30:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront_split [2019-10-07 12:30:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront [2019-10-07 12:30:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_init_queue [2019-10-07 12:30:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2019-10-07 12:30:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2019-10-07 12:30:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_create_queues [2019-10-07 12:30:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure talk_to_netback [2019-10-07 12:30:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_connect [2019-10-07 12:30:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2019-10-07 12:30:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_sset_count [2019-10-07 12:30:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_ethtool_stats [2019-10-07 12:30:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_strings [2019-10-07 12:30:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2019-10-07 12:30:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2019-10-07 12:30:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2019-10-07 12:30:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure netif_init [2019-10-07 12:30:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure netif_exit [2019-10-07 12:30:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_7 [2019-10-07 12:30:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_7 [2019-10-07 12:30:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 12:30:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 12:30:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_2 [2019-10-07 12:30:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:30:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 12:30:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 12:30:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-07 12:30:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:30:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-07 12:30:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-07 12:30:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 12:30:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 12:30:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 12:30:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 12:30:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 12:30:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:30:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 12:30:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 12:30:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 12:30:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:30:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 12:30:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 12:30:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 12:30:39,572 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 12:31:00,136 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:31:00,137 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 12:31:00,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:31:00 BoogieIcfgContainer [2019-10-07 12:31:00,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:31:00,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:31:00,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:31:00,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:31:00,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:30:32" (1/3) ... [2019-10-07 12:31:00,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c476f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:31:00, skipping insertion in model container [2019-10-07 12:31:00,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:30:37" (2/3) ... [2019-10-07 12:31:00,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c476f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:31:00, skipping insertion in model container [2019-10-07 12:31:00,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:31:00" (3/3) ... [2019-10-07 12:31:00,145 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-07 12:31:00,155 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:31:00,166 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:31:00,178 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:31:00,216 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:31:00,217 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:31:00,217 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:31:00,217 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:31:00,217 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:31:00,217 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:31:00,217 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:31:00,217 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:31:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states. [2019-10-07 12:31:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-10-07 12:31:00,301 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:31:00,304 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:31:00,306 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:31:00,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:31:00,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1126633903, now seen corresponding path program 1 times [2019-10-07 12:31:00,322 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:31:00,322 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:00,322 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:00,322 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:00,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:31:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:31:01,670 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2019-10-07 12:31:01,671 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:01,671 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:31:01,671 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:31:01,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:31:01,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:31:01,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:31:01,695 INFO L87 Difference]: Start difference. First operand 2073 states. Second operand 3 states. [2019-10-07 12:31:02,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:31:02,246 INFO L93 Difference]: Finished difference Result 4330 states and 5613 transitions. [2019-10-07 12:31:02,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:31:02,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2019-10-07 12:31:02,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:31:02,294 INFO L225 Difference]: With dead ends: 4330 [2019-10-07 12:31:02,294 INFO L226 Difference]: Without dead ends: 2613 [2019-10-07 12:31:02,306 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 12:31:02,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2613 states. [2019-10-07 12:31:02,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2613 to 2609. [2019-10-07 12:31:02,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2609 states. [2019-10-07 12:31:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 3347 transitions. [2019-10-07 12:31:02,576 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 3347 transitions. Word has length 294 [2019-10-07 12:31:02,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:31:02,578 INFO L462 AbstractCegarLoop]: Abstraction has 2609 states and 3347 transitions. [2019-10-07 12:31:02,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:31:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 3347 transitions. [2019-10-07 12:31:02,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2019-10-07 12:31:02,586 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:31:02,587 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 3, 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] [2019-10-07 12:31:02,587 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:31:02,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:31:02,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1338800045, now seen corresponding path program 1 times [2019-10-07 12:31:02,588 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:31:02,588 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:02,588 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:02,588 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:02,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:31:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:31:03,956 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 984 trivial. 0 not checked. [2019-10-07 12:31:03,957 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:03,957 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:31:03,957 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:31:03,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:31:03,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:31:03,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:31:03,962 INFO L87 Difference]: Start difference. First operand 2609 states and 3347 transitions. Second operand 3 states. [2019-10-07 12:31:04,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:31:04,542 INFO L93 Difference]: Finished difference Result 6510 states and 8339 transitions. [2019-10-07 12:31:04,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:31:04,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 306 [2019-10-07 12:31:04,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:31:04,573 INFO L225 Difference]: With dead ends: 6510 [2019-10-07 12:31:04,573 INFO L226 Difference]: Without dead ends: 3970 [2019-10-07 12:31:04,584 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 12:31:04,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3970 states. [2019-10-07 12:31:04,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3970 to 3940. [2019-10-07 12:31:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3940 states. [2019-10-07 12:31:04,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3940 states and 5051 transitions. [2019-10-07 12:31:04,781 INFO L78 Accepts]: Start accepts. Automaton has 3940 states and 5051 transitions. Word has length 306 [2019-10-07 12:31:04,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:31:04,782 INFO L462 AbstractCegarLoop]: Abstraction has 3940 states and 5051 transitions. [2019-10-07 12:31:04,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:31:04,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3940 states and 5051 transitions. [2019-10-07 12:31:04,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-10-07 12:31:04,793 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:31:04,794 INFO L385 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 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] [2019-10-07 12:31:04,794 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:31:04,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:31:04,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1042749190, now seen corresponding path program 1 times [2019-10-07 12:31:04,795 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:31:04,795 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:04,796 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:04,796 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:04,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:31:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:31:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1643 trivial. 0 not checked. [2019-10-07 12:31:05,475 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:05,475 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:31:05,475 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:31:05,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:31:05,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:31:05,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:31:05,477 INFO L87 Difference]: Start difference. First operand 3940 states and 5051 transitions. Second operand 3 states. [2019-10-07 12:31:05,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:31:05,649 INFO L93 Difference]: Finished difference Result 7827 states and 10044 transitions. [2019-10-07 12:31:05,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:31:05,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 375 [2019-10-07 12:31:05,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:31:05,679 INFO L225 Difference]: With dead ends: 7827 [2019-10-07 12:31:05,679 INFO L226 Difference]: Without dead ends: 3956 [2019-10-07 12:31:05,698 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 12:31:05,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3956 states. [2019-10-07 12:31:05,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3956 to 3942. [2019-10-07 12:31:05,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3942 states. [2019-10-07 12:31:05,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 3942 states and 5053 transitions. [2019-10-07 12:31:05,911 INFO L78 Accepts]: Start accepts. Automaton has 3942 states and 5053 transitions. Word has length 375 [2019-10-07 12:31:05,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:31:05,912 INFO L462 AbstractCegarLoop]: Abstraction has 3942 states and 5053 transitions. [2019-10-07 12:31:05,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:31:05,913 INFO L276 IsEmpty]: Start isEmpty. Operand 3942 states and 5053 transitions. [2019-10-07 12:31:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-10-07 12:31:05,929 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:31:05,929 INFO L385 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 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] [2019-10-07 12:31:05,930 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:31:05,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:31:05,931 INFO L82 PathProgramCache]: Analyzing trace with hash 13350564, now seen corresponding path program 1 times [2019-10-07 12:31:05,931 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:31:05,931 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:05,931 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:05,932 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:05,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:31:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:31:07,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1643 trivial. 0 not checked. [2019-10-07 12:31:07,414 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:07,414 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:31:07,415 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:31:07,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:31:07,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:31:07,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:31:07,417 INFO L87 Difference]: Start difference. First operand 3942 states and 5053 transitions. Second operand 3 states. [2019-10-07 12:31:07,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:31:07,518 INFO L93 Difference]: Finished difference Result 4151 states and 5244 transitions. [2019-10-07 12:31:07,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:31:07,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 378 [2019-10-07 12:31:07,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:31:07,541 INFO L225 Difference]: With dead ends: 4151 [2019-10-07 12:31:07,541 INFO L226 Difference]: Without dead ends: 4148 [2019-10-07 12:31:07,545 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:31:07,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4148 states. [2019-10-07 12:31:07,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4148 to 4148. [2019-10-07 12:31:07,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4148 states. [2019-10-07 12:31:07,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4148 states to 4148 states and 5240 transitions. [2019-10-07 12:31:07,709 INFO L78 Accepts]: Start accepts. Automaton has 4148 states and 5240 transitions. Word has length 378 [2019-10-07 12:31:07,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:31:07,711 INFO L462 AbstractCegarLoop]: Abstraction has 4148 states and 5240 transitions. [2019-10-07 12:31:07,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:31:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 4148 states and 5240 transitions. [2019-10-07 12:31:07,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2019-10-07 12:31:07,730 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:31:07,731 INFO L385 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:31:07,731 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:31:07,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:31:07,732 INFO L82 PathProgramCache]: Analyzing trace with hash -517611100, now seen corresponding path program 1 times [2019-10-07 12:31:07,732 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:31:07,732 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:07,732 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:07,732 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:07,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:31:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:31:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1797 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2019-10-07 12:31:08,532 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:08,533 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:31:08,534 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:31:08,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:31:08,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:31:08,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:31:08,536 INFO L87 Difference]: Start difference. First operand 4148 states and 5240 transitions. Second operand 3 states. [2019-10-07 12:31:11,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:31:11,339 INFO L93 Difference]: Finished difference Result 10030 states and 12681 transitions. [2019-10-07 12:31:11,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:31:11,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 462 [2019-10-07 12:31:11,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:31:11,376 INFO L225 Difference]: With dead ends: 10030 [2019-10-07 12:31:11,376 INFO L226 Difference]: Without dead ends: 5951 [2019-10-07 12:31:11,391 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 12:31:11,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5951 states. [2019-10-07 12:31:11,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5951 to 5917. [2019-10-07 12:31:11,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5917 states. [2019-10-07 12:31:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5917 states to 5917 states and 7440 transitions. [2019-10-07 12:31:11,655 INFO L78 Accepts]: Start accepts. Automaton has 5917 states and 7440 transitions. Word has length 462 [2019-10-07 12:31:11,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:31:11,656 INFO L462 AbstractCegarLoop]: Abstraction has 5917 states and 7440 transitions. [2019-10-07 12:31:11,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:31:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 5917 states and 7440 transitions. [2019-10-07 12:31:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2019-10-07 12:31:11,697 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:31:11,698 INFO L385 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:31:11,698 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:31:11,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:31:11,699 INFO L82 PathProgramCache]: Analyzing trace with hash 438662908, now seen corresponding path program 1 times [2019-10-07 12:31:11,699 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:31:11,699 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:11,700 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:11,700 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:11,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:31:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:31:12,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1817 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1804 trivial. 0 not checked. [2019-10-07 12:31:12,903 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:12,904 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:31:12,904 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:31:12,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:31:12,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:31:12,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:31:12,906 INFO L87 Difference]: Start difference. First operand 5917 states and 7440 transitions. Second operand 5 states. [2019-10-07 12:31:15,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:31:15,438 INFO L93 Difference]: Finished difference Result 11795 states and 14822 transitions. [2019-10-07 12:31:15,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 12:31:15,439 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 484 [2019-10-07 12:31:15,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:31:15,474 INFO L225 Difference]: With dead ends: 11795 [2019-10-07 12:31:15,474 INFO L226 Difference]: Without dead ends: 5917 [2019-10-07 12:31:15,494 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 12:31:15,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5917 states. [2019-10-07 12:31:15,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5917 to 5917. [2019-10-07 12:31:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5917 states. [2019-10-07 12:31:15,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5917 states to 5917 states and 7428 transitions. [2019-10-07 12:31:15,713 INFO L78 Accepts]: Start accepts. Automaton has 5917 states and 7428 transitions. Word has length 484 [2019-10-07 12:31:15,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:31:15,714 INFO L462 AbstractCegarLoop]: Abstraction has 5917 states and 7428 transitions. [2019-10-07 12:31:15,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:31:15,714 INFO L276 IsEmpty]: Start isEmpty. Operand 5917 states and 7428 transitions. [2019-10-07 12:31:15,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2019-10-07 12:31:15,739 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:31:15,740 INFO L385 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:31:15,740 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:31:15,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:31:15,741 INFO L82 PathProgramCache]: Analyzing trace with hash -336834270, now seen corresponding path program 1 times [2019-10-07 12:31:15,741 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:31:15,741 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:15,741 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:15,741 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:15,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:31:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:31:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1817 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1801 trivial. 0 not checked. [2019-10-07 12:31:17,167 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:17,167 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:31:17,167 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-07 12:31:17,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-07 12:31:17,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-07 12:31:17,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2019-10-07 12:31:17,169 INFO L87 Difference]: Start difference. First operand 5917 states and 7428 transitions. Second operand 16 states. [2019-10-07 12:31:18,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:31:18,000 INFO L93 Difference]: Finished difference Result 11795 states and 14807 transitions. [2019-10-07 12:31:18,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 12:31:18,001 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 505 [2019-10-07 12:31:18,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:31:18,032 INFO L225 Difference]: With dead ends: 11795 [2019-10-07 12:31:18,033 INFO L226 Difference]: Without dead ends: 5947 [2019-10-07 12:31:18,052 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2019-10-07 12:31:18,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5947 states. [2019-10-07 12:31:18,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5947 to 5943. [2019-10-07 12:31:18,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5943 states. [2019-10-07 12:31:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5943 states to 5943 states and 7459 transitions. [2019-10-07 12:31:18,256 INFO L78 Accepts]: Start accepts. Automaton has 5943 states and 7459 transitions. Word has length 505 [2019-10-07 12:31:18,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:31:18,256 INFO L462 AbstractCegarLoop]: Abstraction has 5943 states and 7459 transitions. [2019-10-07 12:31:18,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-07 12:31:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 5943 states and 7459 transitions. [2019-10-07 12:31:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2019-10-07 12:31:18,283 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:31:18,284 INFO L385 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:31:18,284 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:31:18,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:31:18,285 INFO L82 PathProgramCache]: Analyzing trace with hash -315134464, now seen corresponding path program 1 times [2019-10-07 12:31:18,285 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:31:18,285 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:18,286 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:18,286 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:18,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:31:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:31:18,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1667 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1662 trivial. 0 not checked. [2019-10-07 12:31:18,930 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:18,930 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:31:18,930 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:31:18,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:31:18,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:31:18,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:31:18,932 INFO L87 Difference]: Start difference. First operand 5943 states and 7459 transitions. Second operand 3 states. [2019-10-07 12:31:21,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:31:21,581 INFO L93 Difference]: Finished difference Result 15661 states and 19629 transitions. [2019-10-07 12:31:21,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:31:21,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 524 [2019-10-07 12:31:21,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:31:21,636 INFO L225 Difference]: With dead ends: 15661 [2019-10-07 12:31:21,636 INFO L226 Difference]: Without dead ends: 9787 [2019-10-07 12:31:21,659 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 12:31:21,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9787 states. [2019-10-07 12:31:22,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9787 to 9755. [2019-10-07 12:31:22,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9755 states. [2019-10-07 12:31:22,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9755 states to 9755 states and 12204 transitions. [2019-10-07 12:31:22,101 INFO L78 Accepts]: Start accepts. Automaton has 9755 states and 12204 transitions. Word has length 524 [2019-10-07 12:31:22,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:31:22,102 INFO L462 AbstractCegarLoop]: Abstraction has 9755 states and 12204 transitions. [2019-10-07 12:31:22,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:31:22,103 INFO L276 IsEmpty]: Start isEmpty. Operand 9755 states and 12204 transitions. [2019-10-07 12:31:22,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2019-10-07 12:31:22,126 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:31:22,127 INFO L385 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:31:22,127 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:31:22,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:31:22,127 INFO L82 PathProgramCache]: Analyzing trace with hash -222641713, now seen corresponding path program 1 times [2019-10-07 12:31:22,128 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:31:22,128 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:22,128 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:22,128 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:22,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:31:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:31:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1667 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1667 trivial. 0 not checked. [2019-10-07 12:31:22,805 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:22,806 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:31:22,806 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 12:31:22,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 12:31:22,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 12:31:22,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 12:31:22,812 INFO L87 Difference]: Start difference. First operand 9755 states and 12204 transitions. Second operand 6 states. [2019-10-07 12:31:23,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:31:23,453 INFO L93 Difference]: Finished difference Result 19489 states and 24389 transitions. [2019-10-07 12:31:23,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 12:31:23,453 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 523 [2019-10-07 12:31:23,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:31:23,494 INFO L225 Difference]: With dead ends: 19489 [2019-10-07 12:31:23,494 INFO L226 Difference]: Without dead ends: 9803 [2019-10-07 12:31:23,525 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-07 12:31:23,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9803 states. [2019-10-07 12:31:23,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9803 to 9779. [2019-10-07 12:31:23,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9779 states. [2019-10-07 12:31:23,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9779 states to 9779 states and 12228 transitions. [2019-10-07 12:31:23,853 INFO L78 Accepts]: Start accepts. Automaton has 9779 states and 12228 transitions. Word has length 523 [2019-10-07 12:31:23,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:31:23,854 INFO L462 AbstractCegarLoop]: Abstraction has 9779 states and 12228 transitions. [2019-10-07 12:31:23,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 12:31:23,854 INFO L276 IsEmpty]: Start isEmpty. Operand 9779 states and 12228 transitions. [2019-10-07 12:31:23,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2019-10-07 12:31:23,880 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:31:23,882 INFO L385 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:31:23,882 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:31:23,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:31:23,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1749354050, now seen corresponding path program 1 times [2019-10-07 12:31:23,883 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:31:23,883 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:31:23,883 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:23,883 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:31:23,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:31:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:31:25,481 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1186) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:574) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:55) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-07 12:31:25,488 INFO L168 Benchmark]: Toolchain (without parser) took 52798.99 ms. Allocated memory was 145.8 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 88.4 MB in the beginning and 699.5 MB in the end (delta: -611.1 MB). Peak memory consumption was 464.7 MB. Max. memory is 7.1 GB. [2019-10-07 12:31:25,489 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 12:31:25,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4346.09 ms. Allocated memory was 145.8 MB in the beginning and 264.8 MB in the end (delta: 119.0 MB). Free memory was 88.1 MB in the beginning and 81.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 129.9 MB. Max. memory is 7.1 GB. [2019-10-07 12:31:25,490 INFO L168 Benchmark]: Boogie Preprocessor took 518.21 ms. Allocated memory was 264.8 MB in the beginning and 334.0 MB in the end (delta: 69.2 MB). Free memory was 81.2 MB in the beginning and 236.9 MB in the end (delta: -155.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-10-07 12:31:25,491 INFO L168 Benchmark]: RCFGBuilder took 22584.59 ms. Allocated memory was 334.0 MB in the beginning and 755.0 MB in the end (delta: 421.0 MB). Free memory was 236.9 MB in the beginning and 481.2 MB in the end (delta: -244.3 MB). Peak memory consumption was 578.8 MB. Max. memory is 7.1 GB. [2019-10-07 12:31:25,492 INFO L168 Benchmark]: TraceAbstraction took 25345.60 ms. Allocated memory was 755.0 MB in the beginning and 1.2 GB in the end (delta: 466.6 MB). Free memory was 481.2 MB in the beginning and 699.5 MB in the end (delta: -218.3 MB). Peak memory consumption was 248.3 MB. Max. memory is 7.1 GB. [2019-10-07 12:31:25,495 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4346.09 ms. Allocated memory was 145.8 MB in the beginning and 264.8 MB in the end (delta: 119.0 MB). Free memory was 88.1 MB in the beginning and 81.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 129.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 518.21 ms. Allocated memory was 264.8 MB in the beginning and 334.0 MB in the end (delta: 69.2 MB). Free memory was 81.2 MB in the beginning and 236.9 MB in the end (delta: -155.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 22584.59 ms. Allocated memory was 334.0 MB in the beginning and 755.0 MB in the end (delta: 421.0 MB). Free memory was 236.9 MB in the beginning and 481.2 MB in the end (delta: -244.3 MB). Peak memory consumption was 578.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25345.60 ms. Allocated memory was 755.0 MB in the beginning and 1.2 GB in the end (delta: 466.6 MB). Free memory was 481.2 MB in the beginning and 699.5 MB in the end (delta: -218.3 MB). Peak memory consumption was 248.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...