/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST -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 20:49:55,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:49:55,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:49:55,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:49:55,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:49:55,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:49:55,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:49:55,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:49:55,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:49:55,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:49:55,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:49:55,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:49:55,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:49:55,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:49:55,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:49:55,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:49:55,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:49:55,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:49:55,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:49:55,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:49:55,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:49:55,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:49:55,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:49:55,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:49:55,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:49:55,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:49:55,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:49:55,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:49:55,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:49:55,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:49:55,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:49:55,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:49:55,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:49:55,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:49:55,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:49:55,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:49:56,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:49:56,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:49:56,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:49:56,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:49:56,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:49:56,003 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 20:49:56,035 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:49:56,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:49:56,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:49:56,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:49:56,037 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:49:56,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:49:56,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:49:56,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:49:56,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:49:56,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:49:56,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:49:56,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:49:56,039 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:49:56,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:49:56,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:49:56,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:49:56,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:49:56,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:49:56,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:49:56,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:49:56,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:49:56,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:49:56,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:49:56,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:49:56,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:49:56,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:49:56,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-18 20:49:56,042 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=5;interpolation-heuristic=SHALLOWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; [2020-08-18 20:49:56,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:49:56,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:49:56,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:49:56,383 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:49:56,383 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:49:56,384 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-18 20:49:56,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/227b9491f/3dc8f0daa58d48e4b0177ce3dc4c8987/FLAG9781db41b [2020-08-18 20:49:57,162 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:49:57,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-18 20:49:57,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/227b9491f/3dc8f0daa58d48e4b0177ce3dc4c8987/FLAG9781db41b [2020-08-18 20:49:57,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/227b9491f/3dc8f0daa58d48e4b0177ce3dc4c8987 [2020-08-18 20:49:57,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:49:57,281 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:49:57,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:49:57,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:49:57,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:49:57,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:49:57" (1/1) ... [2020-08-18 20:49:57,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e69c7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:49:57, skipping insertion in model container [2020-08-18 20:49:57,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:49:57" (1/1) ... [2020-08-18 20:49:57,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:49:57,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:49:58,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:49:58,664 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:49:58,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:49:59,063 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:49:59,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:49:59 WrapperNode [2020-08-18 20:49:59,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:49:59,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:49:59,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:49:59,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:49:59,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:49:59" (1/1) ... [2020-08-18 20:49:59,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:49:59" (1/1) ... [2020-08-18 20:49:59,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:49:59" (1/1) ... [2020-08-18 20:49:59,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:49:59" (1/1) ... [2020-08-18 20:49:59,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:49:59" (1/1) ... [2020-08-18 20:49:59,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:49:59" (1/1) ... [2020-08-18 20:49:59,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:49:59" (1/1) ... [2020-08-18 20:49:59,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:49:59,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:49:59,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:49:59,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:49:59,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:49:59" (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 20:49:59,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:49:59,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:49:59,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-18 20:49:59,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-18 20:49:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-08-18 20:49:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-08-18 20:49:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-08-18 20:49:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-08-18 20:49:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2020-08-18 20:49:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-18 20:49:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-18 20:49:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-18 20:49:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-08-18 20:49:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-08-18 20:49:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-18 20:49:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-18 20:49:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-18 20:49:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-18 20:49:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-18 20:49:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-18 20:49:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2020-08-18 20:49:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2020-08-18 20:49:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2020-08-18 20:49:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_address [2020-08-18 20:49:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-08-18 20:49:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-08-18 20:49:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_num [2020-08-18 20:49:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_has_feature [2020-08-18 20:49:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure node_to_amd_nb [2020-08-18 20:49:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure gart_set_size_and_enable [2020-08-18 20:49:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_gart_translation [2020-08-18 20:49:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure aperture_valid [2020-08-18 20:49:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_tlbflush [2020-08-18 20:49:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_insert_memory [2020-08-18 20:49:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_fetch_size [2020-08-18 20:49:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_configure [2020-08-18 20:49:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_8151_configure [2020-08-18 20:49:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_cleanup [2020-08-18 20:49:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_aperture_valid [2020-08-18 20:49:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_northbridge [2020-08-18 20:49:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_nbs [2020-08-18 20:49:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8151_init [2020-08-18 20:49:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure uli_agp_init [2020-08-18 20:49:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure nforce3_agp_init [2020-08-18 20:49:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_probe [2020-08-18 20:49:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_remove [2020-08-18 20:49:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_suspend [2020-08-18 20:49:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_resume [2020-08-18 20:49:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_init [2020-08-18 20:49:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_mod_init [2020-08-18 20:49:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_cleanup [2020-08-18 20:49:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_1 [2020-08-18 20:49:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-18 20:49:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:49:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_5 [2020-08-18 20:49:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_6 [2020-08-18 20:49:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_7 [2020-08-18 20:49:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_8 [2020-08-18 20:49:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_9 [2020-08-18 20:49:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-18 20:49:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-18 20:49:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-18 20:49:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-18 20:49:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-18 20:49:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-08-18 20:49:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-08-18 20:49:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-08-18 20:49:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-08-18 20:49:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-08-18 20:49:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-18 20:49:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-08-18 20:49:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-08-18 20:49:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-08-18 20:49:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-08-18 20:49:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-08-18 20:49:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_add_bridge [2020-08-18 20:49:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_alloc_bridge [2020-08-18 20:49:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_by_type [2020-08-18 20:49:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_page [2020-08-18 20:49:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_pages [2020-08-18 20:49:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_create_gatt_table [2020-08-18 20:49:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_page [2020-08-18 20:49:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_pages [2020-08-18 20:49:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_enable [2020-08-18 20:49:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_by_type [2020-08-18 20:49:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_gatt_table [2020-08-18 20:49:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_mask_memory [2020-08-18 20:49:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_remove_memory [2020-08-18 20:49:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_type_to_mask_type [2020-08-18 20:49:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_num_entries [2020-08-18 20:49:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_put_bridge [2020-08-18 20:49:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_remove_bridge [2020-08-18 20:49:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_cache_northbridges [2020-08-18 20:49:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_flush_garts [2020-08-18 20:49:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-08-18 20:49:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2020-08-18 20:49:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure e820_any_mapped [2020-08-18 20:49:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure global_cache_flush [2020-08-18 20:49:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-18 20:49:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_1 [2020-08-18 20:49:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2020-08-18 20:49:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_1 [2020-08-18 20:49:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2020-08-18 20:49:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2020-08-18 20:49:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2020-08-18 20:49:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-08-18 20:49:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_present [2020-08-18 20:49:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2020-08-18 20:49:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2020-08-18 20:49:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_slot [2020-08-18 20:49:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-08-18 20:49:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-08-18 20:49:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-08-18 20:49:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-08-18 20:49:59,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_resource_to_bus [2020-08-18 20:49:59,504 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-18 20:49:59,504 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-08-18 20:49:59,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-18 20:49:59,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-18 20:49:59,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-18 20:49:59,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:49:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-18 20:49:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-08-18 20:49:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-08-18 20:49:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-18 20:49:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-08-18 20:49:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-18 20:49:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure e820_any_mapped [2020-08-18 20:49:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-08-18 20:49:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-08-18 20:49:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-08-18 20:49:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-08-18 20:49:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-08-18 20:49:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2020-08-18 20:49:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 20:49:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-18 20:49:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:49:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-18 20:49:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-18 20:49:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-18 20:49:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-18 20:49:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 20:49:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-18 20:49:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-18 20:49:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-08-18 20:49:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-08-18 20:49:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-18 20:49:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-18 20:49:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-18 20:49:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-18 20:49:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_1 [2020-08-18 20:49:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-18 20:49:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-18 20:49:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 20:49:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-18 20:49:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 20:49:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2020-08-18 20:49:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-08-18 20:49:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-08-18 20:49:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_resource_to_bus [2020-08-18 20:49:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2020-08-18 20:49:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2020-08-18 20:49:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_slot [2020-08-18 20:49:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-08-18 20:49:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2020-08-18 20:49:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2020-08-18 20:49:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2020-08-18 20:49:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2020-08-18 20:49:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 20:49:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2020-08-18 20:49:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2020-08-18 20:49:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-08-18 20:49:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-08-18 20:49:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-08-18 20:49:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-08-18 20:49:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_address [2020-08-18 20:49:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 20:49:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 20:49:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-08-18 20:49:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_5 [2020-08-18 20:49:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-08-18 20:49:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_6 [2020-08-18 20:49:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_7 [2020-08-18 20:49:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_8 [2020-08-18 20:49:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_9 [2020-08-18 20:49:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-08-18 20:49:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-08-18 20:49:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure amd_cache_northbridges [2020-08-18 20:49:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure amd_flush_garts [2020-08-18 20:49:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_num [2020-08-18 20:49:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_has_feature [2020-08-18 20:49:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure node_to_amd_nb [2020-08-18 20:49:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_init [2020-08-18 20:49:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure gart_set_size_and_enable [2020-08-18 20:49:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure enable_gart_translation [2020-08-18 20:49:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 20:49:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure aperture_valid [2020-08-18 20:49:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure agp_alloc_bridge [2020-08-18 20:49:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure agp_put_bridge [2020-08-18 20:49:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure agp_add_bridge [2020-08-18 20:49:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure agp_remove_bridge [2020-08-18 20:49:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_enable [2020-08-18 20:49:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_create_gatt_table [2020-08-18 20:49:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_gatt_table [2020-08-18 20:49:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_remove_memory [2020-08-18 20:49:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_by_type [2020-08-18 20:49:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_by_type [2020-08-18 20:49:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_page [2020-08-18 20:49:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_pages [2020-08-18 20:49:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_page [2020-08-18 20:49:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_pages [2020-08-18 20:49:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure agp_num_entries [2020-08-18 20:49:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure global_cache_flush [2020-08-18 20:49:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_mask_memory [2020-08-18 20:49:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_type_to_mask_type [2020-08-18 20:49:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_tlbflush [2020-08-18 20:49:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_insert_memory [2020-08-18 20:49:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-18 20:49:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-18 20:49:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_fetch_size [2020-08-18 20:49:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_configure [2020-08-18 20:49:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure amd_8151_configure [2020-08-18 20:49:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_cleanup [2020-08-18 20:49:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure agp_aperture_valid [2020-08-18 20:49:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure fix_northbridge [2020-08-18 20:49:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure cache_nbs [2020-08-18 20:49:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure amd8151_init [2020-08-18 20:49:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure uli_agp_init [2020-08-18 20:49:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure nforce3_agp_init [2020-08-18 20:49:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_probe [2020-08-18 20:49:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_remove [2020-08-18 20:49:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_suspend [2020-08-18 20:49:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_resume [2020-08-18 20:49:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_mod_init [2020-08-18 20:49:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_cleanup [2020-08-18 20:49:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_1 [2020-08-18 20:49:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2020-08-18 20:49:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_1 [2020-08-18 20:49:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-18 20:49:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-18 20:49:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:49:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-18 20:49:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-18 20:49:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-18 20:49:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-18 20:49:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-18 20:49:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-08-18 20:49:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-08-18 20:49:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-08-18 20:49:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-08-18 20:49:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-08-18 20:49:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 20:49:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-18 20:49:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:49:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 20:49:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-18 20:49:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-08-18 20:49:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:50:02,596 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-18 20:50:07,812 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-08-18 20:50:08,205 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:50:08,206 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 20:50:08,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:50:08 BoogieIcfgContainer [2020-08-18 20:50:08,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:50:08,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:50:08,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:50:08,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:50:08,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:49:57" (1/3) ... [2020-08-18 20:50:08,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19708d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:50:08, skipping insertion in model container [2020-08-18 20:50:08,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:49:59" (2/3) ... [2020-08-18 20:50:08,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19708d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:50:08, skipping insertion in model container [2020-08-18 20:50:08,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:50:08" (3/3) ... [2020-08-18 20:50:08,225 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 20:50:08,237 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:50:08,247 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:50:08,263 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:50:08,295 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:50:08,295 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:50:08,295 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:50:08,295 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:50:08,295 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:50:08,296 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:50:08,296 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:50:08,296 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:50:08,340 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states. [2020-08-18 20:50:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-18 20:50:08,374 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:50:08,380 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 20:50:08,380 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:50:08,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:50:08,390 INFO L82 PathProgramCache]: Analyzing trace with hash 887876909, now seen corresponding path program 1 times [2020-08-18 20:50:08,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:50:08,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568672926] [2020-08-18 20:50:08,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:50:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,131 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-18 20:50:10,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:50:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:50:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:50:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:50:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:50:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 20:50:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 20:50:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 20:50:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 20:50:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 20:50:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-18 20:50:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-18 20:50:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-18 20:50:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-18 20:50:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-18 20:50:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-18 20:50:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-18 20:50:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 20:50:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 20:50:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-18 20:50:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:10,900 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 20:50:10,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568672926] [2020-08-18 20:50:10,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:50:10,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 20:50:10,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543197884] [2020-08-18 20:50:10,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 20:50:10,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:50:10,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 20:50:10,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:50:10,932 INFO L87 Difference]: Start difference. First operand 869 states. Second operand 7 states. [2020-08-18 20:50:20,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:50:20,704 INFO L93 Difference]: Finished difference Result 1847 states and 2460 transitions. [2020-08-18 20:50:20,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 20:50:20,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-08-18 20:50:20,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:50:20,746 INFO L225 Difference]: With dead ends: 1847 [2020-08-18 20:50:20,746 INFO L226 Difference]: Without dead ends: 980 [2020-08-18 20:50:20,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:50:20,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-08-18 20:50:20,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 845. [2020-08-18 20:50:20,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-08-18 20:50:20,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1086 transitions. [2020-08-18 20:50:20,971 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1086 transitions. Word has length 207 [2020-08-18 20:50:20,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:50:20,972 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 1086 transitions. [2020-08-18 20:50:20,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 20:50:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1086 transitions. [2020-08-18 20:50:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-18 20:50:20,977 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:50:20,977 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 20:50:20,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:50:20,978 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:50:20,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:50:20,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1980725417, now seen corresponding path program 1 times [2020-08-18 20:50:20,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:50:20,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942998756] [2020-08-18 20:50:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:50:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,076 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-18 20:50:22,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:50:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:50:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:50:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:50:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:50:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 20:50:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 20:50:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 20:50:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 20:50:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 20:50:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-18 20:50:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-18 20:50:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-18 20:50:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-18 20:50:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-18 20:50:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-18 20:50:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-18 20:50:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 20:50:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 20:50:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-18 20:50:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:50:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:50:22,885 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 20:50:22,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942998756] [2020-08-18 20:50:22,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:50:22,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 20:50:22,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982074191] [2020-08-18 20:50:22,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:50:22,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:50:22,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:50:22,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:50:22,890 INFO L87 Difference]: Start difference. First operand 845 states and 1086 transitions. Second operand 8 states. [2020-08-18 20:50:25,737 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2020-08-18 20:50:36,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:50:36,069 INFO L93 Difference]: Finished difference Result 980 states and 1298 transitions. [2020-08-18 20:50:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 20:50:36,070 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-08-18 20:50:36,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:50:36,072 INFO L225 Difference]: With dead ends: 980 [2020-08-18 20:50:36,073 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:50:36,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:50:36,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:50:36,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:50:36,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:50:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:50:36,080 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-08-18 20:50:36,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:50:36,081 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:50:36,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:50:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:50:36,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:50:36,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:50:36,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:50:36,833 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2020-08-18 20:50:45,867 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27 [2020-08-18 20:50:46,492 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 20:50:47,025 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 20:50:47,635 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 20:50:48,329 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 24 [2020-08-18 20:50:48,902 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-18 20:50:49,427 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 20:50:49,967 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 20:50:50,633 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 78 [2020-08-18 20:50:51,199 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 20:50:51,774 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 20:50:52,323 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 20:50:52,870 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 20:50:53,423 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 20:50:53,951 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 20:50:54,531 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 20:50:55,141 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-18 20:50:55,704 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-18 20:50:56,318 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 20:50:56,865 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 20:50:57,400 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 20:50:57,944 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8