/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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 15:27:12,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 15:27:12,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 15:27:12,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 15:27:12,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 15:27:12,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 15:27:12,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 15:27:12,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 15:27:12,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 15:27:12,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 15:27:12,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 15:27:12,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 15:27:12,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 15:27:12,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 15:27:12,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 15:27:12,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 15:27:12,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 15:27:12,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 15:27:12,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 15:27:12,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 15:27:12,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 15:27:12,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 15:27:12,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 15:27:12,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 15:27:12,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 15:27:12,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 15:27:12,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 15:27:12,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 15:27:12,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 15:27:12,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 15:27:12,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 15:27:12,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 15:27:12,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 15:27:12,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 15:27:12,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 15:27:12,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 15:27:12,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 15:27:12,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 15:27:12,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 15:27:12,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 15:27:12,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 15:27:12,581 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 [2020-08-21 15:27:12,603 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 15:27:12,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 15:27:12,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 15:27:12,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 15:27:12,605 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 15:27:12,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 15:27:12,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 15:27:12,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 15:27:12,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 15:27:12,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 15:27:12,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 15:27:12,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 15:27:12,606 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 15:27:12,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 15:27:12,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 15:27:12,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 15:27:12,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 15:27:12,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 15:27:12,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 15:27:12,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 15:27:12,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 15:27:12,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 15:27:12,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 15:27:12,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 15:27:12,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 15:27:12,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 15:27:12,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-21 15:27:12,609 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 -> interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; [2020-08-21 15:27:12,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 15:27:12,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 15:27:12,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 15:27:12,956 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 15:27:12,956 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 15:27:12,957 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-21 15:27:13,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbf3e03f7/3197f36d33504d0a9517accd1eb32a4c/FLAG5a550908d [2020-08-21 15:27:13,743 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 15:27:13,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-21 15:27:13,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbf3e03f7/3197f36d33504d0a9517accd1eb32a4c/FLAG5a550908d [2020-08-21 15:27:13,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbf3e03f7/3197f36d33504d0a9517accd1eb32a4c [2020-08-21 15:27:13,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 15:27:13,875 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 15:27:13,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 15:27:13,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 15:27:13,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 15:27:13,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 03:27:13" (1/1) ... [2020-08-21 15:27:13,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c32aca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:27:13, skipping insertion in model container [2020-08-21 15:27:13,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 03:27:13" (1/1) ... [2020-08-21 15:27:13,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 15:27:14,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 15:27:15,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 15:27:15,470 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 15:27:15,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 15:27:15,910 INFO L208 MainTranslator]: Completed translation [2020-08-21 15:27:15,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:27:15 WrapperNode [2020-08-21 15:27:15,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 15:27:15,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 15:27:15,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 15:27:15,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 15:27:15,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:27:15" (1/1) ... [2020-08-21 15:27:15,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:27:15" (1/1) ... [2020-08-21 15:27:16,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:27:15" (1/1) ... [2020-08-21 15:27:16,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:27:15" (1/1) ... [2020-08-21 15:27:16,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:27:15" (1/1) ... [2020-08-21 15:27:16,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:27:15" (1/1) ... [2020-08-21 15:27:16,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:27:15" (1/1) ... [2020-08-21 15:27:16,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 15:27:16,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 15:27:16,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 15:27:16,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 15:27:16,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:27:15" (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 [2020-08-21 15:27:16,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 15:27:16,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 15:27:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-21 15:27:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-21 15:27:16,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-08-21 15:27:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-08-21 15:27:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-08-21 15:27:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-08-21 15:27:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2020-08-21 15:27:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-21 15:27:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-21 15:27:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-21 15:27:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-08-21 15:27:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-08-21 15:27:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-21 15:27:16,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-21 15:27:16,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-21 15:27:16,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-21 15:27:16,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-21 15:27:16,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-21 15:27:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2020-08-21 15:27:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2020-08-21 15:27:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2020-08-21 15:27:16,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_address [2020-08-21 15:27:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-08-21 15:27:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-08-21 15:27:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_num [2020-08-21 15:27:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_has_feature [2020-08-21 15:27:16,259 INFO L138 BoogieDeclarations]: Found implementation of procedure node_to_amd_nb [2020-08-21 15:27:16,260 INFO L138 BoogieDeclarations]: Found implementation of procedure gart_set_size_and_enable [2020-08-21 15:27:16,260 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_gart_translation [2020-08-21 15:27:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure aperture_valid [2020-08-21 15:27:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_tlbflush [2020-08-21 15:27:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_insert_memory [2020-08-21 15:27:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_fetch_size [2020-08-21 15:27:16,261 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_configure [2020-08-21 15:27:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_8151_configure [2020-08-21 15:27:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_cleanup [2020-08-21 15:27:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_aperture_valid [2020-08-21 15:27:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_northbridge [2020-08-21 15:27:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_nbs [2020-08-21 15:27:16,262 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8151_init [2020-08-21 15:27:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure uli_agp_init [2020-08-21 15:27:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure nforce3_agp_init [2020-08-21 15:27:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_probe [2020-08-21 15:27:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_remove [2020-08-21 15:27:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_suspend [2020-08-21 15:27:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_resume [2020-08-21 15:27:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_init [2020-08-21 15:27:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_mod_init [2020-08-21 15:27:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_cleanup [2020-08-21 15:27:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_1 [2020-08-21 15:27:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-21 15:27:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 15:27:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_5 [2020-08-21 15:27:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_6 [2020-08-21 15:27:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_7 [2020-08-21 15:27:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_8 [2020-08-21 15:27:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_9 [2020-08-21 15:27:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-21 15:27:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-21 15:27:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-21 15:27:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-21 15:27:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-21 15:27:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-08-21 15:27:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-08-21 15:27:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-08-21 15:27:16,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-08-21 15:27:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-08-21 15:27:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-21 15:27:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-08-21 15:27:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-08-21 15:27:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-08-21 15:27:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-08-21 15:27:16,270 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-08-21 15:27:16,270 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_add_bridge [2020-08-21 15:27:16,271 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_alloc_bridge [2020-08-21 15:27:16,271 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_by_type [2020-08-21 15:27:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_page [2020-08-21 15:27:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_pages [2020-08-21 15:27:16,273 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_create_gatt_table [2020-08-21 15:27:16,273 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_page [2020-08-21 15:27:16,273 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_pages [2020-08-21 15:27:16,273 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_enable [2020-08-21 15:27:16,273 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_by_type [2020-08-21 15:27:16,274 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_gatt_table [2020-08-21 15:27:16,275 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_mask_memory [2020-08-21 15:27:16,275 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_remove_memory [2020-08-21 15:27:16,275 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_type_to_mask_type [2020-08-21 15:27:16,276 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_num_entries [2020-08-21 15:27:16,276 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_put_bridge [2020-08-21 15:27:16,276 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_remove_bridge [2020-08-21 15:27:16,276 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_cache_northbridges [2020-08-21 15:27:16,277 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_flush_garts [2020-08-21 15:27:16,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-08-21 15:27:16,277 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2020-08-21 15:27:16,277 INFO L138 BoogieDeclarations]: Found implementation of procedure e820_any_mapped [2020-08-21 15:27:16,278 INFO L138 BoogieDeclarations]: Found implementation of procedure global_cache_flush [2020-08-21 15:27:16,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-21 15:27:16,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_1 [2020-08-21 15:27:16,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2020-08-21 15:27:16,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_1 [2020-08-21 15:27:16,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2020-08-21 15:27:16,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2020-08-21 15:27:16,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2020-08-21 15:27:16,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-08-21 15:27:16,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_present [2020-08-21 15:27:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2020-08-21 15:27:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2020-08-21 15:27:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_slot [2020-08-21 15:27:16,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-08-21 15:27:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-08-21 15:27:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-08-21 15:27:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-08-21 15:27:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_resource_to_bus [2020-08-21 15:27:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-21 15:27:16,282 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-08-21 15:27:16,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-21 15:27:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-21 15:27:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-21 15:27:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 15:27:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-21 15:27:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-08-21 15:27:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-08-21 15:27:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-21 15:27:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-08-21 15:27:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-21 15:27:16,286 INFO L130 BoogieDeclarations]: Found specification of procedure e820_any_mapped [2020-08-21 15:27:16,287 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-08-21 15:27:16,287 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-08-21 15:27:16,287 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-08-21 15:27:16,287 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-08-21 15:27:16,288 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-08-21 15:27:16,289 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2020-08-21 15:27:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 15:27:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-21 15:27:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 15:27:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-21 15:27:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-21 15:27:16,295 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-21 15:27:16,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-21 15:27:16,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 15:27:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-21 15:27:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-21 15:27:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-08-21 15:27:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-08-21 15:27:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-21 15:27:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-21 15:27:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-21 15:27:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-21 15:27:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_1 [2020-08-21 15:27:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-21 15:27:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-21 15:27:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 15:27:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-21 15:27:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 15:27:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2020-08-21 15:27:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-08-21 15:27:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-08-21 15:27:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_resource_to_bus [2020-08-21 15:27:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2020-08-21 15:27:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2020-08-21 15:27:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_slot [2020-08-21 15:27:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-08-21 15:27:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2020-08-21 15:27:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2020-08-21 15:27:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2020-08-21 15:27:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2020-08-21 15:27:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 15:27:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2020-08-21 15:27:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2020-08-21 15:27:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-08-21 15:27:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-08-21 15:27:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-08-21 15:27:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-08-21 15:27:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_address [2020-08-21 15:27:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 15:27:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 15:27:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-08-21 15:27:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_5 [2020-08-21 15:27:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-08-21 15:27:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_6 [2020-08-21 15:27:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_7 [2020-08-21 15:27:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_8 [2020-08-21 15:27:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_9 [2020-08-21 15:27:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-08-21 15:27:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-08-21 15:27:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure amd_cache_northbridges [2020-08-21 15:27:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure amd_flush_garts [2020-08-21 15:27:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_num [2020-08-21 15:27:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_has_feature [2020-08-21 15:27:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure node_to_amd_nb [2020-08-21 15:27:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_init [2020-08-21 15:27:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure gart_set_size_and_enable [2020-08-21 15:27:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure enable_gart_translation [2020-08-21 15:27:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 15:27:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure aperture_valid [2020-08-21 15:27:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure agp_alloc_bridge [2020-08-21 15:27:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure agp_put_bridge [2020-08-21 15:27:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure agp_add_bridge [2020-08-21 15:27:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure agp_remove_bridge [2020-08-21 15:27:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_enable [2020-08-21 15:27:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_create_gatt_table [2020-08-21 15:27:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_gatt_table [2020-08-21 15:27:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_remove_memory [2020-08-21 15:27:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_by_type [2020-08-21 15:27:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_by_type [2020-08-21 15:27:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_page [2020-08-21 15:27:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_pages [2020-08-21 15:27:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_page [2020-08-21 15:27:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_pages [2020-08-21 15:27:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure agp_num_entries [2020-08-21 15:27:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure global_cache_flush [2020-08-21 15:27:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_mask_memory [2020-08-21 15:27:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_type_to_mask_type [2020-08-21 15:27:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_tlbflush [2020-08-21 15:27:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_insert_memory [2020-08-21 15:27:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-21 15:27:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-21 15:27:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_fetch_size [2020-08-21 15:27:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_configure [2020-08-21 15:27:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure amd_8151_configure [2020-08-21 15:27:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_cleanup [2020-08-21 15:27:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure agp_aperture_valid [2020-08-21 15:27:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure fix_northbridge [2020-08-21 15:27:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure cache_nbs [2020-08-21 15:27:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure amd8151_init [2020-08-21 15:27:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure uli_agp_init [2020-08-21 15:27:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure nforce3_agp_init [2020-08-21 15:27:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_probe [2020-08-21 15:27:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_remove [2020-08-21 15:27:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_suspend [2020-08-21 15:27:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_resume [2020-08-21 15:27:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_mod_init [2020-08-21 15:27:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_cleanup [2020-08-21 15:27:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_1 [2020-08-21 15:27:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2020-08-21 15:27:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_1 [2020-08-21 15:27:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-21 15:27:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-21 15:27:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 15:27:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-21 15:27:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-21 15:27:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-21 15:27:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-21 15:27:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-21 15:27:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-08-21 15:27:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-08-21 15:27:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-08-21 15:27:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-08-21 15:27:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-08-21 15:27:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 15:27:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-21 15:27:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 15:27:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 15:27:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-21 15:27:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-08-21 15:27:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 15:27:19,464 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-21 15:27:24,512 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-08-21 15:27:24,911 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 15:27:24,913 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 15:27:24,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 03:27:24 BoogieIcfgContainer [2020-08-21 15:27:24,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 15:27:24,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 15:27:24,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 15:27:24,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 15:27:24,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 03:27:13" (1/3) ... [2020-08-21 15:27:24,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6630c4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 03:27:24, skipping insertion in model container [2020-08-21 15:27:24,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:27:15" (2/3) ... [2020-08-21 15:27:24,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6630c4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 03:27:24, skipping insertion in model container [2020-08-21 15:27:24,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 03:27:24" (3/3) ... [2020-08-21 15:27:24,946 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-21 15:27:24,961 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 15:27:24,971 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 15:27:24,986 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 15:27:25,016 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 15:27:25,016 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 15:27:25,016 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 15:27:25,016 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 15:27:25,016 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 15:27:25,016 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 15:27:25,017 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 15:27:25,017 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 15:27:25,062 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states. [2020-08-21 15:27:25,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-21 15:27:25,082 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:27:25,083 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] [2020-08-21 15:27:25,084 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:27:25,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:27:25,090 INFO L82 PathProgramCache]: Analyzing trace with hash 887876909, now seen corresponding path program 1 times [2020-08-21 15:27:25,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:27:25,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857375328] [2020-08-21 15:27:25,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:27:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:26,679 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-21 15:27:26,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:27:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:26,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 15:27:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:26,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:26,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 15:27:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:26,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 15:27:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:26,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:26,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 15:27:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:26,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 15:27:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:26,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 15:27:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:26,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 15:27:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-21 15:27:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-21 15:27:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-21 15:27:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-21 15:27:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-21 15:27:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-21 15:27:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-21 15:27:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-21 15:27:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-21 15:27:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-21 15:27:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:27:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-21 15:27:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-21 15:27:27,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857375328] [2020-08-21 15:27:27,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 15:27:27,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 15:27:27,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910808789] [2020-08-21 15:27:27,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 15:27:27,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:27:27,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 15:27:27,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-08-21 15:27:27,575 INFO L87 Difference]: Start difference. First operand 869 states. Second operand 7 states. [2020-08-21 15:27:36,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:27:36,600 INFO L93 Difference]: Finished difference Result 1847 states and 2460 transitions. [2020-08-21 15:27:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 15:27:36,602 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-08-21 15:27:36,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:27:36,643 INFO L225 Difference]: With dead ends: 1847 [2020-08-21 15:27:36,643 INFO L226 Difference]: Without dead ends: 980 [2020-08-21 15:27:36,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2020-08-21 15:27:36,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-08-21 15:27:36,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 845. [2020-08-21 15:27:36,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-08-21 15:27:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1086 transitions. [2020-08-21 15:27:36,883 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1086 transitions. Word has length 207 [2020-08-21 15:27:36,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:27:36,883 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 1086 transitions. [2020-08-21 15:27:36,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 15:27:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1086 transitions. [2020-08-21 15:27:36,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-21 15:27:36,890 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:27:36,891 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] [2020-08-21 15:27:36,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 15:27:36,891 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:27:36,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:27:36,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1980725417, now seen corresponding path program 1 times [2020-08-21 15:27:36,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:27:36,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [26844212] [2020-08-21 15:27:36,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:27:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,108 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-21 15:27:38,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:27:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 15:27:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 15:27:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 15:27:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 15:27:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 15:27:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 15:27:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 15:27:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-21 15:27:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-21 15:27:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-21 15:27:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-21 15:27:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-21 15:27:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-21 15:27:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-21 15:27:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-21 15:27:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-21 15:27:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-21 15:27:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:27:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-21 15:27:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 15:27:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:27:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-21 15:27:38,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [26844212] [2020-08-21 15:27:38,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 15:27:38,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 15:27:38,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700926357] [2020-08-21 15:27:38,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 15:27:38,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:27:38,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 15:27:38,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-21 15:27:38,914 INFO L87 Difference]: Start difference. First operand 845 states and 1086 transitions. Second operand 8 states. [2020-08-21 15:27:41,601 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2020-08-21 15:27:50,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:27:50,505 INFO L93 Difference]: Finished difference Result 980 states and 1298 transitions. [2020-08-21 15:27:50,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 15:27:50,505 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-08-21 15:27:50,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:27:50,507 INFO L225 Difference]: With dead ends: 980 [2020-08-21 15:27:50,507 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 15:27:50,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2020-08-21 15:27:50,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 15:27:50,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 15:27:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 15:27:50,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 15:27:50,513 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-08-21 15:27:50,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:27:50,514 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 15:27:50,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 15:27:50,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 15:27:50,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 15:27:50,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 15:27:50,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 15:28:00,482 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27 [2020-08-21 15:28:00,985 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 15:28:01,368 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 15:28:01,784 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-21 15:28:02,308 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 24 [2020-08-21 15:28:02,735 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-21 15:28:03,118 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 15:28:03,537 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-21 15:28:04,032 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 78 [2020-08-21 15:28:04,413 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 15:28:04,814 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-21 15:28:05,223 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 15:28:05,627 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-21 15:28:06,012 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-21 15:28:06,462 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 15:28:06,891 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-21 15:28:07,333 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-21 15:28:07,748 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-21 15:28:08,214 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-21 15:28:08,618 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 15:28:09,013 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-21 15:28:09,419 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 15:28:09,809 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-21 15:28:10,209 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 15:28:10,630 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-21 15:28:11,028 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-21 15:28:11,419 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 15:28:11,837 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-21 15:28:12,237 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-21 15:28:12,717 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-21 15:28:13,204 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-21 15:28:13,629 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27