/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 -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 0.1.25-5644d1e-m [2020-08-18 11:51:59,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 11:51:59,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 11:51:59,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 11:51:59,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 11:51:59,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 11:51:59,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 11:51:59,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 11:51:59,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 11:51:59,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 11:51:59,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 11:51:59,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 11:51:59,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 11:51:59,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 11:51:59,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 11:51:59,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 11:51:59,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 11:51:59,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 11:51:59,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 11:51:59,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 11:51:59,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 11:51:59,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 11:51:59,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 11:51:59,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 11:51:59,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 11:51:59,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 11:51:59,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 11:51:59,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 11:51:59,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 11:51:59,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 11:51:59,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 11:51:59,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 11:51:59,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 11:51:59,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 11:51:59,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 11:51:59,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 11:51:59,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 11:51:59,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 11:51:59,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 11:51:59,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 11:51:59,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 11:51:59,705 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 [2020-08-18 11:51:59,728 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 11:51:59,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 11:51:59,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 11:51:59,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 11:51:59,729 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 11:51:59,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 11:51:59,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 11:51:59,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 11:51:59,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 11:51:59,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 11:51:59,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 11:51:59,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 11:51:59,731 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 11:51:59,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 11:51:59,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 11:51:59,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 11:51:59,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 11:51:59,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 11:51:59,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:51:59,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 11:51:59,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 11:51:59,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 11:51:59,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 11:51:59,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 11:51:59,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 11:51:59,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 11:51:59,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-18 11:51:59,734 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 [2020-08-18 11:52:00,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 11:52:00,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 11:52:00,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 11:52:00,071 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 11:52:00,072 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 11:52:00,072 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-18 11:52:00,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/73720b887/c1c66c9000a74ef3956ca435b3029189/FLAG7c5359c42 [2020-08-18 11:52:00,812 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 11:52:00,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-18 11:52:00,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/73720b887/c1c66c9000a74ef3956ca435b3029189/FLAG7c5359c42 [2020-08-18 11:52:00,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/73720b887/c1c66c9000a74ef3956ca435b3029189 [2020-08-18 11:52:00,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 11:52:00,982 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 11:52:00,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 11:52:00,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 11:52:00,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 11:52:00,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:52:00" (1/1) ... [2020-08-18 11:52:00,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b4a4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:52:00, skipping insertion in model container [2020-08-18 11:52:00,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:52:00" (1/1) ... [2020-08-18 11:52:00,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 11:52:01,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 11:52:02,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:52:02,264 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 11:52:02,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:52:02,750 INFO L208 MainTranslator]: Completed translation [2020-08-18 11:52:02,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:52:02 WrapperNode [2020-08-18 11:52:02,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 11:52:02,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 11:52:02,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 11:52:02,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 11:52:02,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:52:02" (1/1) ... [2020-08-18 11:52:02,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:52:02" (1/1) ... [2020-08-18 11:52:02,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:52:02" (1/1) ... [2020-08-18 11:52:02,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:52:02" (1/1) ... [2020-08-18 11:52:02,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:52:02" (1/1) ... [2020-08-18 11:52:02,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:52:02" (1/1) ... [2020-08-18 11:52:02,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:52:02" (1/1) ... [2020-08-18 11:52:02,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 11:52:02,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 11:52:02,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 11:52:02,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 11:52:02,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:52:02" (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 [2020-08-18 11:52:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 11:52:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 11:52:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-18 11:52:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-18 11:52:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-08-18 11:52:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-08-18 11:52:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-08-18 11:52:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-08-18 11:52:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2020-08-18 11:52:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-18 11:52:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-18 11:52:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-18 11:52:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-08-18 11:52:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-08-18 11:52:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-18 11:52:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-18 11:52:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-18 11:52:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-18 11:52:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-18 11:52:03,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-18 11:52:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2020-08-18 11:52:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2020-08-18 11:52:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2020-08-18 11:52:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_address [2020-08-18 11:52:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-08-18 11:52:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-08-18 11:52:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_num [2020-08-18 11:52:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_has_feature [2020-08-18 11:52:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure node_to_amd_nb [2020-08-18 11:52:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure gart_set_size_and_enable [2020-08-18 11:52:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_gart_translation [2020-08-18 11:52:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure aperture_valid [2020-08-18 11:52:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_tlbflush [2020-08-18 11:52:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_insert_memory [2020-08-18 11:52:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_fetch_size [2020-08-18 11:52:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_configure [2020-08-18 11:52:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_8151_configure [2020-08-18 11:52:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_cleanup [2020-08-18 11:52:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_aperture_valid [2020-08-18 11:52:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_northbridge [2020-08-18 11:52:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_nbs [2020-08-18 11:52:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8151_init [2020-08-18 11:52:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure uli_agp_init [2020-08-18 11:52:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure nforce3_agp_init [2020-08-18 11:52:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_probe [2020-08-18 11:52:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_remove [2020-08-18 11:52:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_suspend [2020-08-18 11:52:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_resume [2020-08-18 11:52:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_init [2020-08-18 11:52:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_mod_init [2020-08-18 11:52:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_cleanup [2020-08-18 11:52:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_1 [2020-08-18 11:52:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-18 11:52:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 11:52:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_5 [2020-08-18 11:52:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_6 [2020-08-18 11:52:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_7 [2020-08-18 11:52:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_8 [2020-08-18 11:52:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_9 [2020-08-18 11:52:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-18 11:52:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-18 11:52:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-18 11:52:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-18 11:52:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-18 11:52:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-08-18 11:52:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-08-18 11:52:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-08-18 11:52:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-08-18 11:52:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-08-18 11:52:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-18 11:52:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-08-18 11:52:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-08-18 11:52:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-08-18 11:52:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-08-18 11:52:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-08-18 11:52:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_add_bridge [2020-08-18 11:52:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_alloc_bridge [2020-08-18 11:52:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_by_type [2020-08-18 11:52:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_page [2020-08-18 11:52:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_pages [2020-08-18 11:52:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_create_gatt_table [2020-08-18 11:52:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_page [2020-08-18 11:52:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_pages [2020-08-18 11:52:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_enable [2020-08-18 11:52:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_by_type [2020-08-18 11:52:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_gatt_table [2020-08-18 11:52:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_mask_memory [2020-08-18 11:52:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_remove_memory [2020-08-18 11:52:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_type_to_mask_type [2020-08-18 11:52:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_num_entries [2020-08-18 11:52:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_put_bridge [2020-08-18 11:52:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_remove_bridge [2020-08-18 11:52:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_cache_northbridges [2020-08-18 11:52:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_flush_garts [2020-08-18 11:52:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-08-18 11:52:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2020-08-18 11:52:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure e820_any_mapped [2020-08-18 11:52:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure global_cache_flush [2020-08-18 11:52:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-18 11:52:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_1 [2020-08-18 11:52:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2020-08-18 11:52:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_1 [2020-08-18 11:52:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2020-08-18 11:52:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2020-08-18 11:52:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2020-08-18 11:52:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-08-18 11:52:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_present [2020-08-18 11:52:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2020-08-18 11:52:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2020-08-18 11:52:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_slot [2020-08-18 11:52:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-08-18 11:52:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-08-18 11:52:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-08-18 11:52:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-08-18 11:52:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_resource_to_bus [2020-08-18 11:52:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-18 11:52:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-08-18 11:52:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-18 11:52:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-18 11:52:03,062 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-18 11:52:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 11:52:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-18 11:52:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-08-18 11:52:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-08-18 11:52:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-18 11:52:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-08-18 11:52:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-18 11:52:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure e820_any_mapped [2020-08-18 11:52:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-08-18 11:52:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-08-18 11:52:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-08-18 11:52:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-08-18 11:52:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-08-18 11:52:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2020-08-18 11:52:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 11:52:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-18 11:52:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 11:52:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-18 11:52:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-18 11:52:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-18 11:52:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-18 11:52:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 11:52:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-18 11:52:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-18 11:52:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-08-18 11:52:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-08-18 11:52:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-18 11:52:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-18 11:52:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-18 11:52:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-18 11:52:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_1 [2020-08-18 11:52:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-18 11:52:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-18 11:52:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 11:52:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-18 11:52:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 11:52:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2020-08-18 11:52:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-08-18 11:52:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-08-18 11:52:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_resource_to_bus [2020-08-18 11:52:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2020-08-18 11:52:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2020-08-18 11:52:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_slot [2020-08-18 11:52:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-08-18 11:52:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2020-08-18 11:52:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2020-08-18 11:52:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2020-08-18 11:52:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2020-08-18 11:52:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 11:52:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2020-08-18 11:52:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2020-08-18 11:52:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-08-18 11:52:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-08-18 11:52:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-08-18 11:52:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-08-18 11:52:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_address [2020-08-18 11:52:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 11:52:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 11:52:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-08-18 11:52:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_5 [2020-08-18 11:52:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-08-18 11:52:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_6 [2020-08-18 11:52:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_7 [2020-08-18 11:52:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_8 [2020-08-18 11:52:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_9 [2020-08-18 11:52:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-08-18 11:52:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-08-18 11:52:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure amd_cache_northbridges [2020-08-18 11:52:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure amd_flush_garts [2020-08-18 11:52:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_num [2020-08-18 11:52:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_has_feature [2020-08-18 11:52:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure node_to_amd_nb [2020-08-18 11:52:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_init [2020-08-18 11:52:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure gart_set_size_and_enable [2020-08-18 11:52:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure enable_gart_translation [2020-08-18 11:52:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 11:52:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure aperture_valid [2020-08-18 11:52:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure agp_alloc_bridge [2020-08-18 11:52:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure agp_put_bridge [2020-08-18 11:52:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure agp_add_bridge [2020-08-18 11:52:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure agp_remove_bridge [2020-08-18 11:52:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_enable [2020-08-18 11:52:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_create_gatt_table [2020-08-18 11:52:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_gatt_table [2020-08-18 11:52:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_remove_memory [2020-08-18 11:52:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_by_type [2020-08-18 11:52:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_by_type [2020-08-18 11:52:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_page [2020-08-18 11:52:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_pages [2020-08-18 11:52:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_page [2020-08-18 11:52:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_pages [2020-08-18 11:52:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure agp_num_entries [2020-08-18 11:52:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure global_cache_flush [2020-08-18 11:52:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_mask_memory [2020-08-18 11:52:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_type_to_mask_type [2020-08-18 11:52:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_tlbflush [2020-08-18 11:52:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_insert_memory [2020-08-18 11:52:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-18 11:52:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-18 11:52:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_fetch_size [2020-08-18 11:52:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_configure [2020-08-18 11:52:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure amd_8151_configure [2020-08-18 11:52:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_cleanup [2020-08-18 11:52:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure agp_aperture_valid [2020-08-18 11:52:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure fix_northbridge [2020-08-18 11:52:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure cache_nbs [2020-08-18 11:52:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure amd8151_init [2020-08-18 11:52:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure uli_agp_init [2020-08-18 11:52:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure nforce3_agp_init [2020-08-18 11:52:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_probe [2020-08-18 11:52:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_remove [2020-08-18 11:52:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_suspend [2020-08-18 11:52:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_resume [2020-08-18 11:52:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_mod_init [2020-08-18 11:52:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_cleanup [2020-08-18 11:52:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_1 [2020-08-18 11:52:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2020-08-18 11:52:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_1 [2020-08-18 11:52:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-18 11:52:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-18 11:52:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 11:52:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-18 11:52:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-18 11:52:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-18 11:52:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-18 11:52:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-18 11:52:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-08-18 11:52:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-08-18 11:52:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-08-18 11:52:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-08-18 11:52:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-08-18 11:52:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 11:52:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-18 11:52:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 11:52:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 11:52:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-18 11:52:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-08-18 11:52:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 11:52:05,874 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-18 11:52:10,372 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-08-18 11:52:10,690 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 11:52:10,690 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 11:52:10,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:52:10 BoogieIcfgContainer [2020-08-18 11:52:10,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 11:52:10,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 11:52:10,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 11:52:10,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 11:52:10,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:52:00" (1/3) ... [2020-08-18 11:52:10,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2d1156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:52:10, skipping insertion in model container [2020-08-18 11:52:10,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:52:02" (2/3) ... [2020-08-18 11:52:10,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2d1156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:52:10, skipping insertion in model container [2020-08-18 11:52:10,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:52:10" (3/3) ... [2020-08-18 11:52:10,708 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-18 11:52:10,719 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 11:52:10,728 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 11:52:10,746 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 11:52:10,774 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 11:52:10,774 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 11:52:10,775 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 11:52:10,775 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 11:52:10,775 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 11:52:10,775 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 11:52:10,775 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 11:52:10,775 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 11:52:10,811 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states. [2020-08-18 11:52:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-18 11:52:10,829 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:52:10,831 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] [2020-08-18 11:52:10,831 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:52:10,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:52:10,838 INFO L82 PathProgramCache]: Analyzing trace with hash 887876909, now seen corresponding path program 1 times [2020-08-18 11:52:10,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:52:10,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931875182] [2020-08-18 11:52:10,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:52:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,164 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-18 11:52:12,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:52:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:52:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:52:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:52:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:52:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 11:52:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 11:52:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 11:52:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 11:52:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 11:52:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-18 11:52:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-18 11:52:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-18 11:52:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-18 11:52:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-18 11:52:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-18 11:52:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-18 11:52:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 11:52:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:52:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-18 11:52:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:12,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:13,088 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-18 11:52:13,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931875182] [2020-08-18 11:52:13,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:52:13,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 11:52:13,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452426831] [2020-08-18 11:52:13,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 11:52:13,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:52:13,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 11:52:13,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:52:13,114 INFO L87 Difference]: Start difference. First operand 869 states. Second operand 7 states. [2020-08-18 11:52:21,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:52:21,952 INFO L93 Difference]: Finished difference Result 1847 states and 2460 transitions. [2020-08-18 11:52:21,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 11:52:21,962 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-08-18 11:52:21,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:52:21,990 INFO L225 Difference]: With dead ends: 1847 [2020-08-18 11:52:21,990 INFO L226 Difference]: Without dead ends: 980 [2020-08-18 11:52:22,001 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 [2020-08-18 11:52:22,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-08-18 11:52:22,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 845. [2020-08-18 11:52:22,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-08-18 11:52:22,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1086 transitions. [2020-08-18 11:52:22,201 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1086 transitions. Word has length 207 [2020-08-18 11:52:22,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:52:22,202 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 1086 transitions. [2020-08-18 11:52:22,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 11:52:22,202 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1086 transitions. [2020-08-18 11:52:22,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-18 11:52:22,210 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:52:22,210 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] [2020-08-18 11:52:22,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 11:52:22,211 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:52:22,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:52:22,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1980725417, now seen corresponding path program 1 times [2020-08-18 11:52:22,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:52:22,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647189862] [2020-08-18 11:52:22,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:52:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,201 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-18 11:52:23,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:52:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:52:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:52:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:52:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:52:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 11:52:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 11:52:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 11:52:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 11:52:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 11:52:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-18 11:52:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-18 11:52:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-18 11:52:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-18 11:52:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-18 11:52:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-18 11:52:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-18 11:52:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 11:52:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 11:52:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-18 11:52:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 11:52:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:52:23,674 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-18 11:52:23,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647189862] [2020-08-18 11:52:23,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:52:23,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 11:52:23,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003339266] [2020-08-18 11:52:23,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 11:52:23,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:52:23,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 11:52:23,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-18 11:52:23,678 INFO L87 Difference]: Start difference. First operand 845 states and 1086 transitions. Second operand 8 states. [2020-08-18 11:52:26,340 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2020-08-18 11:52:34,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:52:34,853 INFO L93 Difference]: Finished difference Result 980 states and 1298 transitions. [2020-08-18 11:52:34,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 11:52:34,853 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-08-18 11:52:34,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:52:34,856 INFO L225 Difference]: With dead ends: 980 [2020-08-18 11:52:34,856 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 11:52:34,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2020-08-18 11:52:34,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 11:52:34,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 11:52:34,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 11:52:34,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 11:52:34,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-08-18 11:52:34,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:52:34,862 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 11:52:34,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 11:52:34,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 11:52:34,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 11:52:34,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 11:52:34,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 11:52:43,784 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27 [2020-08-18 11:52:44,215 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 11:52:44,577 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 11:52:44,985 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 11:52:45,475 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 24 [2020-08-18 11:52:45,891 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-18 11:52:46,252 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 11:52:46,625 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 11:52:47,099 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 78 [2020-08-18 11:52:47,487 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 11:52:47,859 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 11:52:48,238 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 11:52:48,618 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 11:52:48,990 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 11:52:49,366 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 11:52:49,819 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 11:52:50,255 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-18 11:52:50,638 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-18 11:52:51,062 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 11:52:51,441 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 11:52:51,823 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 11:52:52,198 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 11:52:52,610 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 11:52:52,980 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 11:52:53,356 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 11:52:53,729 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 11:52:54,088 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 11:52:54,493 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 11:52:54,905 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 11:52:55,310 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 11:52:55,774 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 11:52:56,175 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27 [2020-08-18 11:52:56,543 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 11:52:56,917 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 18 [2020-08-18 11:52:57,277 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 11:52:57,656 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 11:52:58,048 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 24 [2020-08-18 11:52:58,460 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 11:52:58,825 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 11:52:59,223 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 11:52:59,580 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 11:52:59,972 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-18 11:53:00,371 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 11:53:00,751 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 18 [2020-08-18 11:53:01,115 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 11:53:01,518 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 11:53:01,891 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 11:53:02,276 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30