/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 01:57:15,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 01:57:15,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 01:57:15,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 01:57:15,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 01:57:15,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 01:57:15,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 01:57:15,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 01:57:15,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 01:57:15,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 01:57:15,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 01:57:15,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 01:57:15,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 01:57:15,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 01:57:15,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 01:57:15,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 01:57:15,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 01:57:15,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 01:57:15,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 01:57:15,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 01:57:15,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 01:57:15,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 01:57:15,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 01:57:15,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 01:57:15,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 01:57:15,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 01:57:15,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 01:57:15,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 01:57:15,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 01:57:15,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 01:57:15,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 01:57:15,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 01:57:15,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 01:57:15,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 01:57:15,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 01:57:15,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 01:57:15,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 01:57:15,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 01:57:15,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 01:57:15,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 01:57:15,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 01:57:15,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-08-22 01:57:15,740 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 01:57:15,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 01:57:15,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 01:57:15,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 01:57:15,742 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 01:57:15,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 01:57:15,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 01:57:15,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 01:57:15,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 01:57:15,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 01:57:15,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 01:57:15,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 01:57:15,747 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 01:57:15,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 01:57:15,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 01:57:15,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 01:57:15,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 01:57:15,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 01:57:15,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 01:57:15,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 01:57:15,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 01:57:15,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 01:57:15,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 01:57:15,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 01:57:15,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 01:57:15,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 01:57:15,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 01:57:15,750 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-08-22 01:57:16,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 01:57:16,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 01:57:16,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 01:57:16,099 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 01:57:16,100 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 01:57:16,100 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-22 01:57:16,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/362bffae8/c44078702a804695b0a2aad891222f6f/FLAG2996527d1 [2020-08-22 01:57:17,021 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 01:57:17,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-22 01:57:17,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/362bffae8/c44078702a804695b0a2aad891222f6f/FLAG2996527d1 [2020-08-22 01:57:17,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/362bffae8/c44078702a804695b0a2aad891222f6f [2020-08-22 01:57:17,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 01:57:17,526 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 01:57:17,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 01:57:17,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 01:57:17,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 01:57:17,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:57:17" (1/1) ... [2020-08-22 01:57:17,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6340f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:17, skipping insertion in model container [2020-08-22 01:57:17,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:57:17" (1/1) ... [2020-08-22 01:57:17,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 01:57:17,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 01:57:19,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:57:19,181 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 01:57:19,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:57:19,549 INFO L208 MainTranslator]: Completed translation [2020-08-22 01:57:19,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:19 WrapperNode [2020-08-22 01:57:19,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 01:57:19,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 01:57:19,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 01:57:19,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 01:57:19,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:19" (1/1) ... [2020-08-22 01:57:19,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:19" (1/1) ... [2020-08-22 01:57:19,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:19" (1/1) ... [2020-08-22 01:57:19,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:19" (1/1) ... [2020-08-22 01:57:19,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:19" (1/1) ... [2020-08-22 01:57:19,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:19" (1/1) ... [2020-08-22 01:57:19,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:19" (1/1) ... [2020-08-22 01:57:19,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 01:57:19,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 01:57:19,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 01:57:19,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 01:57:19,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-22 01:57:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 01:57:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 01:57:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-22 01:57:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-22 01:57:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-08-22 01:57:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-08-22 01:57:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-08-22 01:57:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-08-22 01:57:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2020-08-22 01:57:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-22 01:57:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-22 01:57:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-22 01:57:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-08-22 01:57:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-08-22 01:57:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-22 01:57:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-22 01:57:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-22 01:57:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-22 01:57:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-22 01:57:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-22 01:57:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2020-08-22 01:57:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2020-08-22 01:57:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2020-08-22 01:57:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_address [2020-08-22 01:57:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-08-22 01:57:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-08-22 01:57:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_num [2020-08-22 01:57:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_has_feature [2020-08-22 01:57:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure node_to_amd_nb [2020-08-22 01:57:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure gart_set_size_and_enable [2020-08-22 01:57:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_gart_translation [2020-08-22 01:57:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure aperture_valid [2020-08-22 01:57:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_tlbflush [2020-08-22 01:57:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_insert_memory [2020-08-22 01:57:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_fetch_size [2020-08-22 01:57:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_configure [2020-08-22 01:57:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_8151_configure [2020-08-22 01:57:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_cleanup [2020-08-22 01:57:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_aperture_valid [2020-08-22 01:57:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_northbridge [2020-08-22 01:57:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_nbs [2020-08-22 01:57:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8151_init [2020-08-22 01:57:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure uli_agp_init [2020-08-22 01:57:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure nforce3_agp_init [2020-08-22 01:57:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_probe [2020-08-22 01:57:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_remove [2020-08-22 01:57:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_suspend [2020-08-22 01:57:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_resume [2020-08-22 01:57:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_init [2020-08-22 01:57:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_mod_init [2020-08-22 01:57:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_cleanup [2020-08-22 01:57:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_1 [2020-08-22 01:57:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-22 01:57:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 01:57:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_5 [2020-08-22 01:57:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_6 [2020-08-22 01:57:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_7 [2020-08-22 01:57:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_8 [2020-08-22 01:57:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_9 [2020-08-22 01:57:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-22 01:57:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-22 01:57:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-22 01:57:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-22 01:57:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-22 01:57:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-08-22 01:57:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-08-22 01:57:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-08-22 01:57:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-08-22 01:57:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-08-22 01:57:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-22 01:57:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-08-22 01:57:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-08-22 01:57:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-08-22 01:57:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-08-22 01:57:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-08-22 01:57:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_add_bridge [2020-08-22 01:57:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_alloc_bridge [2020-08-22 01:57:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_by_type [2020-08-22 01:57:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_page [2020-08-22 01:57:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_pages [2020-08-22 01:57:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_create_gatt_table [2020-08-22 01:57:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_page [2020-08-22 01:57:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_pages [2020-08-22 01:57:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_enable [2020-08-22 01:57:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_by_type [2020-08-22 01:57:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_gatt_table [2020-08-22 01:57:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_mask_memory [2020-08-22 01:57:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_remove_memory [2020-08-22 01:57:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_type_to_mask_type [2020-08-22 01:57:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_num_entries [2020-08-22 01:57:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_put_bridge [2020-08-22 01:57:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_remove_bridge [2020-08-22 01:57:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_cache_northbridges [2020-08-22 01:57:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_flush_garts [2020-08-22 01:57:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-08-22 01:57:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2020-08-22 01:57:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure e820_any_mapped [2020-08-22 01:57:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure global_cache_flush [2020-08-22 01:57:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-22 01:57:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_1 [2020-08-22 01:57:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2020-08-22 01:57:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_1 [2020-08-22 01:57:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2020-08-22 01:57:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2020-08-22 01:57:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2020-08-22 01:57:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-08-22 01:57:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_present [2020-08-22 01:57:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2020-08-22 01:57:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2020-08-22 01:57:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_slot [2020-08-22 01:57:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-08-22 01:57:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-08-22 01:57:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-08-22 01:57:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-08-22 01:57:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_resource_to_bus [2020-08-22 01:57:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-22 01:57:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-08-22 01:57:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-22 01:57:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-22 01:57:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-22 01:57:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 01:57:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-22 01:57:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-08-22 01:57:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-08-22 01:57:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-22 01:57:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-08-22 01:57:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-22 01:57:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure e820_any_mapped [2020-08-22 01:57:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-08-22 01:57:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-08-22 01:57:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-08-22 01:57:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-08-22 01:57:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-08-22 01:57:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2020-08-22 01:57:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 01:57:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-22 01:57:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 01:57:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-22 01:57:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 01:57:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-22 01:57:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-22 01:57:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 01:57:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-22 01:57:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-22 01:57:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-08-22 01:57:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-08-22 01:57:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-22 01:57:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-22 01:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-22 01:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-22 01:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_1 [2020-08-22 01:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-22 01:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-22 01:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 01:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-22 01:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 01:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2020-08-22 01:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-08-22 01:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-08-22 01:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_resource_to_bus [2020-08-22 01:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2020-08-22 01:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2020-08-22 01:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_slot [2020-08-22 01:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-08-22 01:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2020-08-22 01:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2020-08-22 01:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2020-08-22 01:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2020-08-22 01:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 01:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2020-08-22 01:57:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2020-08-22 01:57:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-08-22 01:57:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-08-22 01:57:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-08-22 01:57:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-08-22 01:57:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_address [2020-08-22 01:57:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 01:57:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 01:57:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-08-22 01:57:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_5 [2020-08-22 01:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-08-22 01:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_6 [2020-08-22 01:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_7 [2020-08-22 01:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_8 [2020-08-22 01:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_9 [2020-08-22 01:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-08-22 01:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-08-22 01:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure amd_cache_northbridges [2020-08-22 01:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure amd_flush_garts [2020-08-22 01:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_num [2020-08-22 01:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_has_feature [2020-08-22 01:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure node_to_amd_nb [2020-08-22 01:57:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_init [2020-08-22 01:57:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure gart_set_size_and_enable [2020-08-22 01:57:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure enable_gart_translation [2020-08-22 01:57:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 01:57:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure aperture_valid [2020-08-22 01:57:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure agp_alloc_bridge [2020-08-22 01:57:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure agp_put_bridge [2020-08-22 01:57:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure agp_add_bridge [2020-08-22 01:57:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure agp_remove_bridge [2020-08-22 01:57:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_enable [2020-08-22 01:57:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_create_gatt_table [2020-08-22 01:57:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_gatt_table [2020-08-22 01:57:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_remove_memory [2020-08-22 01:57:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_by_type [2020-08-22 01:57:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_by_type [2020-08-22 01:57:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_page [2020-08-22 01:57:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_pages [2020-08-22 01:57:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_page [2020-08-22 01:57:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_pages [2020-08-22 01:57:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure agp_num_entries [2020-08-22 01:57:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure global_cache_flush [2020-08-22 01:57:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_mask_memory [2020-08-22 01:57:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_type_to_mask_type [2020-08-22 01:57:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_tlbflush [2020-08-22 01:57:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_insert_memory [2020-08-22 01:57:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-22 01:57:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-22 01:57:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_fetch_size [2020-08-22 01:57:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_configure [2020-08-22 01:57:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure amd_8151_configure [2020-08-22 01:57:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_cleanup [2020-08-22 01:57:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure agp_aperture_valid [2020-08-22 01:57:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure fix_northbridge [2020-08-22 01:57:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure cache_nbs [2020-08-22 01:57:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure amd8151_init [2020-08-22 01:57:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure uli_agp_init [2020-08-22 01:57:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure nforce3_agp_init [2020-08-22 01:57:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_probe [2020-08-22 01:57:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_remove [2020-08-22 01:57:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_suspend [2020-08-22 01:57:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_resume [2020-08-22 01:57:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_mod_init [2020-08-22 01:57:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_cleanup [2020-08-22 01:57:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_1 [2020-08-22 01:57:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2020-08-22 01:57:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_1 [2020-08-22 01:57:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-22 01:57:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-22 01:57:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 01:57:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-22 01:57:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-22 01:57:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-22 01:57:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-22 01:57:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-22 01:57:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-08-22 01:57:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-08-22 01:57:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-08-22 01:57:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-08-22 01:57:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-08-22 01:57:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 01:57:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-22 01:57:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 01:57:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 01:57:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-22 01:57:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-08-22 01:57:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 01:57:23,038 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-22 01:57:27,981 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-08-22 01:57:28,344 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 01:57:28,345 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 01:57:28,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:57:28 BoogieIcfgContainer [2020-08-22 01:57:28,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 01:57:28,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 01:57:28,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 01:57:28,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 01:57:28,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 01:57:17" (1/3) ... [2020-08-22 01:57:28,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f63c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:57:28, skipping insertion in model container [2020-08-22 01:57:28,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:57:19" (2/3) ... [2020-08-22 01:57:28,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f63c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:57:28, skipping insertion in model container [2020-08-22 01:57:28,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:57:28" (3/3) ... [2020-08-22 01:57:28,373 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-22 01:57:28,391 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 01:57:28,401 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 01:57:28,416 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 01:57:28,448 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 01:57:28,448 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 01:57:28,448 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 01:57:28,448 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 01:57:28,449 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 01:57:28,449 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 01:57:28,449 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 01:57:28,449 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 01:57:28,496 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states. [2020-08-22 01:57:28,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-22 01:57:28,532 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:57:28,536 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 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] [2020-08-22 01:57:28,536 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:57:28,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:57:28,543 INFO L82 PathProgramCache]: Analyzing trace with hash 887876909, now seen corresponding path program 1 times [2020-08-22 01:57:28,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:57:28,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338540509] [2020-08-22 01:57:28,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:57:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,239 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-22 01:57:30,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:57:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:57:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:57:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:57:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:57:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 01:57:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 01:57:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 01:57:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-22 01:57:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 01:57:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-22 01:57:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 01:57:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 01:57:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 01:57:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 01:57:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-22 01:57:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-22 01:57:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-22 01:57:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 01:57:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-22 01:57:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:30,878 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-22 01:57:30,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338540509] [2020-08-22 01:57:30,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:57:30,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 01:57:30,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132017445] [2020-08-22 01:57:30,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 01:57:30,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:57:30,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 01:57:30,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-08-22 01:57:30,907 INFO L87 Difference]: Start difference. First operand 869 states. Second operand 7 states. [2020-08-22 01:57:40,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:57:40,710 INFO L93 Difference]: Finished difference Result 1847 states and 2460 transitions. [2020-08-22 01:57:40,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 01:57:40,713 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-08-22 01:57:40,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:57:40,741 INFO L225 Difference]: With dead ends: 1847 [2020-08-22 01:57:40,742 INFO L226 Difference]: Without dead ends: 980 [2020-08-22 01:57:40,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2020-08-22 01:57:40,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-08-22 01:57:41,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 845. [2020-08-22 01:57:41,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-08-22 01:57:41,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1086 transitions. [2020-08-22 01:57:41,021 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1086 transitions. Word has length 207 [2020-08-22 01:57:41,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:57:41,021 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 1086 transitions. [2020-08-22 01:57:41,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 01:57:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1086 transitions. [2020-08-22 01:57:41,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-22 01:57:41,026 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:57:41,026 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 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] [2020-08-22 01:57:41,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 01:57:41,027 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:57:41,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:57:41,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1980725417, now seen corresponding path program 1 times [2020-08-22 01:57:41,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:57:41,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579122636] [2020-08-22 01:57:41,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:57:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:41,978 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-22 01:57:41,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:57:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:57:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:57:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:57:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:57:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 01:57:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 01:57:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 01:57:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-22 01:57:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 01:57:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-22 01:57:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 01:57:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 01:57:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 01:57:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 01:57:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-22 01:57:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-22 01:57:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-22 01:57:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 01:57:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-22 01:57:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:57:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:57:42,745 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-22 01:57:42,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579122636] [2020-08-22 01:57:42,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:57:42,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 01:57:42,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144546474] [2020-08-22 01:57:42,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 01:57:42,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:57:42,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 01:57:42,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-22 01:57:42,750 INFO L87 Difference]: Start difference. First operand 845 states and 1086 transitions. Second operand 8 states. [2020-08-22 01:57:45,463 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2020-08-22 01:57:54,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:57:54,863 INFO L93 Difference]: Finished difference Result 980 states and 1298 transitions. [2020-08-22 01:57:54,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 01:57:54,863 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-08-22 01:57:54,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:57:54,866 INFO L225 Difference]: With dead ends: 980 [2020-08-22 01:57:54,867 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 01:57:54,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2020-08-22 01:57:54,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 01:57:54,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 01:57:54,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 01:57:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 01:57:54,874 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-08-22 01:57:54,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:57:54,874 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 01:57:54,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 01:57:54,874 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 01:57:54,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 01:57:54,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 01:57:54,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 01:58:04,421 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27 [2020-08-22 01:58:04,905 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 01:58:05,299 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 01:58:05,736 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 01:58:06,278 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 24 [2020-08-22 01:58:06,710 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-22 01:58:07,119 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 01:58:07,513 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 01:58:08,042 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 78 [2020-08-22 01:58:08,443 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 01:58:08,864 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-22 01:58:09,267 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 01:58:09,671 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 01:58:10,127 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-22 01:58:10,522 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 01:58:10,954 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-22 01:58:11,397 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-22 01:58:11,816 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-22 01:58:12,285 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-22 01:58:12,705 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 01:58:13,172 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-22 01:58:13,562 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 01:58:13,962 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 01:58:14,364 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 01:58:14,785 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-22 01:58:15,200 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 01:58:15,592 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 01:58:16,058 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 01:58:16,468 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-22 01:58:16,903 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 01:58:17,403 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-22 01:58:17,840 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27