/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=BIGGEST -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 13:28:22,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 13:28:22,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 13:28:22,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 13:28:22,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 13:28:22,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 13:28:22,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 13:28:22,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 13:28:22,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 13:28:22,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 13:28:22,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 13:28:22,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 13:28:22,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 13:28:22,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 13:28:22,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 13:28:22,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 13:28:22,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 13:28:22,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 13:28:22,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 13:28:22,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 13:28:22,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 13:28:22,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 13:28:22,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 13:28:22,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 13:28:22,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 13:28:22,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 13:28:22,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 13:28:22,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 13:28:22,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 13:28:22,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 13:28:22,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 13:28:22,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 13:28:22,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 13:28:22,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 13:28:22,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 13:28:22,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 13:28:22,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 13:28:22,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 13:28:22,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 13:28:22,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 13:28:22,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 13:28:22,987 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 13:28:23,029 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 13:28:23,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 13:28:23,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 13:28:23,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 13:28:23,031 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 13:28:23,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 13:28:23,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 13:28:23,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 13:28:23,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 13:28:23,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 13:28:23,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 13:28:23,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 13:28:23,032 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 13:28:23,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 13:28:23,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 13:28:23,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 13:28:23,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 13:28:23,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 13:28:23,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 13:28:23,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 13:28:23,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 13:28:23,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 13:28:23,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 13:28:23,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 13:28:23,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 13:28:23,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 13:28:23,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-18 13:28:23,036 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=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 13:28:23,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 13:28:23,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 13:28:23,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 13:28:23,343 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 13:28:23,343 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 13:28:23,344 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-18 13:28:23,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09c80e8fd/b2c801442af24cd195041ea9753eac97/FLAG45780cd74 [2020-08-18 13:28:24,162 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 13:28:24,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-18 13:28:24,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09c80e8fd/b2c801442af24cd195041ea9753eac97/FLAG45780cd74 [2020-08-18 13:28:24,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09c80e8fd/b2c801442af24cd195041ea9753eac97 [2020-08-18 13:28:24,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 13:28:24,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 13:28:24,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 13:28:24,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 13:28:24,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 13:28:24,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 01:28:24" (1/1) ... [2020-08-18 13:28:24,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a69bf35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:28:24, skipping insertion in model container [2020-08-18 13:28:24,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 01:28:24" (1/1) ... [2020-08-18 13:28:24,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 13:28:24,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 13:28:25,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 13:28:25,730 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 13:28:25,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 13:28:26,222 INFO L208 MainTranslator]: Completed translation [2020-08-18 13:28:26,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:28:26 WrapperNode [2020-08-18 13:28:26,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 13:28:26,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 13:28:26,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 13:28:26,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 13:28:26,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:28:26" (1/1) ... [2020-08-18 13:28:26,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:28:26" (1/1) ... [2020-08-18 13:28:26,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:28:26" (1/1) ... [2020-08-18 13:28:26,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:28:26" (1/1) ... [2020-08-18 13:28:26,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:28:26" (1/1) ... [2020-08-18 13:28:26,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:28:26" (1/1) ... [2020-08-18 13:28:26,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:28:26" (1/1) ... [2020-08-18 13:28:26,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 13:28:26,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 13:28:26,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 13:28:26,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 13:28:26,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:28:26" (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 13:28:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 13:28:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 13:28:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-18 13:28:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-18 13:28:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-08-18 13:28:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-08-18 13:28:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-08-18 13:28:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-08-18 13:28:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2020-08-18 13:28:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-18 13:28:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-18 13:28:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-18 13:28:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-08-18 13:28:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-08-18 13:28:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-18 13:28:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-18 13:28:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-18 13:28:26,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-18 13:28:26,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-18 13:28:26,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-18 13:28:26,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2020-08-18 13:28:26,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2020-08-18 13:28:26,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2020-08-18 13:28:26,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_address [2020-08-18 13:28:26,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-08-18 13:28:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-08-18 13:28:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_num [2020-08-18 13:28:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_has_feature [2020-08-18 13:28:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure node_to_amd_nb [2020-08-18 13:28:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure gart_set_size_and_enable [2020-08-18 13:28:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_gart_translation [2020-08-18 13:28:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure aperture_valid [2020-08-18 13:28:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_tlbflush [2020-08-18 13:28:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_insert_memory [2020-08-18 13:28:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_fetch_size [2020-08-18 13:28:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_configure [2020-08-18 13:28:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_8151_configure [2020-08-18 13:28:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_cleanup [2020-08-18 13:28:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_aperture_valid [2020-08-18 13:28:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_northbridge [2020-08-18 13:28:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_nbs [2020-08-18 13:28:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8151_init [2020-08-18 13:28:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure uli_agp_init [2020-08-18 13:28:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure nforce3_agp_init [2020-08-18 13:28:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_probe [2020-08-18 13:28:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_remove [2020-08-18 13:28:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_suspend [2020-08-18 13:28:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_resume [2020-08-18 13:28:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_init [2020-08-18 13:28:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_mod_init [2020-08-18 13:28:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_cleanup [2020-08-18 13:28:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_1 [2020-08-18 13:28:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-18 13:28:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 13:28:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_5 [2020-08-18 13:28:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_6 [2020-08-18 13:28:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_7 [2020-08-18 13:28:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_8 [2020-08-18 13:28:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_9 [2020-08-18 13:28:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-18 13:28:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-18 13:28:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-18 13:28:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-18 13:28:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-18 13:28:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-08-18 13:28:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-08-18 13:28:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-08-18 13:28:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-08-18 13:28:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-08-18 13:28:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-18 13:28:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-08-18 13:28:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-08-18 13:28:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-08-18 13:28:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-08-18 13:28:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-08-18 13:28:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_add_bridge [2020-08-18 13:28:26,638 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_alloc_bridge [2020-08-18 13:28:26,639 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_by_type [2020-08-18 13:28:26,639 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_page [2020-08-18 13:28:26,639 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_pages [2020-08-18 13:28:26,640 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_create_gatt_table [2020-08-18 13:28:26,640 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_page [2020-08-18 13:28:26,640 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_pages [2020-08-18 13:28:26,640 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_enable [2020-08-18 13:28:26,640 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_by_type [2020-08-18 13:28:26,640 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_gatt_table [2020-08-18 13:28:26,641 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_mask_memory [2020-08-18 13:28:26,641 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_remove_memory [2020-08-18 13:28:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_type_to_mask_type [2020-08-18 13:28:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_num_entries [2020-08-18 13:28:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_put_bridge [2020-08-18 13:28:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_remove_bridge [2020-08-18 13:28:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_cache_northbridges [2020-08-18 13:28:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_flush_garts [2020-08-18 13:28:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-08-18 13:28:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2020-08-18 13:28:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure e820_any_mapped [2020-08-18 13:28:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure global_cache_flush [2020-08-18 13:28:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-18 13:28:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_1 [2020-08-18 13:28:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2020-08-18 13:28:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_1 [2020-08-18 13:28:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2020-08-18 13:28:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2020-08-18 13:28:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2020-08-18 13:28:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-08-18 13:28:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_present [2020-08-18 13:28:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2020-08-18 13:28:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2020-08-18 13:28:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_slot [2020-08-18 13:28:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-08-18 13:28:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-08-18 13:28:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-08-18 13:28:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-08-18 13:28:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_resource_to_bus [2020-08-18 13:28:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-18 13:28:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-08-18 13:28:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-18 13:28:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-18 13:28:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-18 13:28:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 13:28:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-18 13:28:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-08-18 13:28:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-08-18 13:28:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-18 13:28:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-08-18 13:28:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-18 13:28:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure e820_any_mapped [2020-08-18 13:28:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-08-18 13:28:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-08-18 13:28:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-08-18 13:28:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-08-18 13:28:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-08-18 13:28:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2020-08-18 13:28:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 13:28:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-18 13:28:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 13:28:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-18 13:28:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-18 13:28:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-18 13:28:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-18 13:28:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 13:28:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-18 13:28:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-18 13:28:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-08-18 13:28:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-08-18 13:28:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-18 13:28:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-18 13:28:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-18 13:28:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-18 13:28:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_1 [2020-08-18 13:28:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-18 13:28:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-18 13:28:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 13:28:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-18 13:28:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 13:28:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2020-08-18 13:28:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-08-18 13:28:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-08-18 13:28:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_resource_to_bus [2020-08-18 13:28:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2020-08-18 13:28:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2020-08-18 13:28:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_slot [2020-08-18 13:28:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-08-18 13:28:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2020-08-18 13:28:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2020-08-18 13:28:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2020-08-18 13:28:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2020-08-18 13:28:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 13:28:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2020-08-18 13:28:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2020-08-18 13:28:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-08-18 13:28:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-08-18 13:28:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-08-18 13:28:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-08-18 13:28:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_address [2020-08-18 13:28:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 13:28:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 13:28:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-08-18 13:28:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_5 [2020-08-18 13:28:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-08-18 13:28:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_6 [2020-08-18 13:28:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_7 [2020-08-18 13:28:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_8 [2020-08-18 13:28:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_9 [2020-08-18 13:28:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-08-18 13:28:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-08-18 13:28:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure amd_cache_northbridges [2020-08-18 13:28:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure amd_flush_garts [2020-08-18 13:28:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_num [2020-08-18 13:28:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_has_feature [2020-08-18 13:28:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure node_to_amd_nb [2020-08-18 13:28:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_init [2020-08-18 13:28:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure gart_set_size_and_enable [2020-08-18 13:28:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure enable_gart_translation [2020-08-18 13:28:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 13:28:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure aperture_valid [2020-08-18 13:28:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure agp_alloc_bridge [2020-08-18 13:28:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure agp_put_bridge [2020-08-18 13:28:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure agp_add_bridge [2020-08-18 13:28:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure agp_remove_bridge [2020-08-18 13:28:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_enable [2020-08-18 13:28:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_create_gatt_table [2020-08-18 13:28:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_gatt_table [2020-08-18 13:28:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_remove_memory [2020-08-18 13:28:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_by_type [2020-08-18 13:28:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_by_type [2020-08-18 13:28:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_page [2020-08-18 13:28:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_pages [2020-08-18 13:28:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_page [2020-08-18 13:28:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_pages [2020-08-18 13:28:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure agp_num_entries [2020-08-18 13:28:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure global_cache_flush [2020-08-18 13:28:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_mask_memory [2020-08-18 13:28:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_type_to_mask_type [2020-08-18 13:28:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_tlbflush [2020-08-18 13:28:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_insert_memory [2020-08-18 13:28:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-18 13:28:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-18 13:28:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_fetch_size [2020-08-18 13:28:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_configure [2020-08-18 13:28:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure amd_8151_configure [2020-08-18 13:28:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_cleanup [2020-08-18 13:28:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure agp_aperture_valid [2020-08-18 13:28:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure fix_northbridge [2020-08-18 13:28:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure cache_nbs [2020-08-18 13:28:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure amd8151_init [2020-08-18 13:28:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure uli_agp_init [2020-08-18 13:28:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure nforce3_agp_init [2020-08-18 13:28:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_probe [2020-08-18 13:28:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_remove [2020-08-18 13:28:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_suspend [2020-08-18 13:28:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_resume [2020-08-18 13:28:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_mod_init [2020-08-18 13:28:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_cleanup [2020-08-18 13:28:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_1 [2020-08-18 13:28:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2020-08-18 13:28:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_1 [2020-08-18 13:28:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-18 13:28:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-18 13:28:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 13:28:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-18 13:28:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-18 13:28:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-18 13:28:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-18 13:28:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-18 13:28:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-08-18 13:28:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-08-18 13:28:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-08-18 13:28:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-08-18 13:28:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-08-18 13:28:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 13:28:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-18 13:28:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 13:28:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 13:28:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-18 13:28:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-08-18 13:28:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 13:28:29,828 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-18 13:28:34,782 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-08-18 13:28:35,145 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 13:28:35,146 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 13:28:35,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 01:28:35 BoogieIcfgContainer [2020-08-18 13:28:35,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 13:28:35,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 13:28:35,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 13:28:35,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 13:28:35,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 01:28:24" (1/3) ... [2020-08-18 13:28:35,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a4c99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 01:28:35, skipping insertion in model container [2020-08-18 13:28:35,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:28:26" (2/3) ... [2020-08-18 13:28:35,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a4c99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 01:28:35, skipping insertion in model container [2020-08-18 13:28:35,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 01:28:35" (3/3) ... [2020-08-18 13:28:35,167 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 13:28:35,179 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 13:28:35,188 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 13:28:35,205 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 13:28:35,236 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 13:28:35,236 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 13:28:35,236 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 13:28:35,236 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 13:28:35,237 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 13:28:35,237 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 13:28:35,237 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 13:28:35,237 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 13:28:35,288 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states. [2020-08-18 13:28:35,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-18 13:28:35,309 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 13:28:35,311 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 13:28:35,311 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 13:28:35,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 13:28:35,318 INFO L82 PathProgramCache]: Analyzing trace with hash 887876909, now seen corresponding path program 1 times [2020-08-18 13:28:35,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 13:28:35,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122641408] [2020-08-18 13:28:35,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 13:28:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:36,979 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-18 13:28:36,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 13:28:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 13:28:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 13:28:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 13:28:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 13:28:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 13:28:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 13:28:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 13:28:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 13:28:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 13:28:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-18 13:28:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-18 13:28:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-18 13:28:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-18 13:28:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-18 13:28:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-18 13:28:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-18 13:28:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 13:28:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 13:28:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-18 13:28:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:37,750 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 13:28:37,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122641408] [2020-08-18 13:28:37,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 13:28:37,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 13:28:37,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311949108] [2020-08-18 13:28:37,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 13:28:37,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 13:28:37,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 13:28:37,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-08-18 13:28:37,778 INFO L87 Difference]: Start difference. First operand 869 states. Second operand 7 states. [2020-08-18 13:28:47,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 13:28:47,451 INFO L93 Difference]: Finished difference Result 1847 states and 2460 transitions. [2020-08-18 13:28:47,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 13:28:47,453 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-08-18 13:28:47,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 13:28:47,480 INFO L225 Difference]: With dead ends: 1847 [2020-08-18 13:28:47,481 INFO L226 Difference]: Without dead ends: 980 [2020-08-18 13:28:47,491 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 [2020-08-18 13:28:47,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-08-18 13:28:47,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 845. [2020-08-18 13:28:47,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-08-18 13:28:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1086 transitions. [2020-08-18 13:28:47,730 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1086 transitions. Word has length 207 [2020-08-18 13:28:47,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 13:28:47,731 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 1086 transitions. [2020-08-18 13:28:47,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 13:28:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1086 transitions. [2020-08-18 13:28:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-18 13:28:47,737 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 13:28:47,738 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 13:28:47,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 13:28:47,738 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 13:28:47,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 13:28:47,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1980725417, now seen corresponding path program 1 times [2020-08-18 13:28:47,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 13:28:47,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833923541] [2020-08-18 13:28:47,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 13:28:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:48,859 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-18 13:28:48,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 13:28:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:48,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 13:28:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:48,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:48,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 13:28:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 13:28:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 13:28:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 13:28:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 13:28:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 13:28:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 13:28:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 13:28:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-18 13:28:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-18 13:28:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-18 13:28:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-18 13:28:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-18 13:28:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-18 13:28:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-18 13:28:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 13:28:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-18 13:28:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-18 13:28:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 13:28:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:28:49,448 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 13:28:49,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833923541] [2020-08-18 13:28:49,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 13:28:49,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 13:28:49,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772378049] [2020-08-18 13:28:49,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 13:28:49,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 13:28:49,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 13:28:49,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-18 13:28:49,454 INFO L87 Difference]: Start difference. First operand 845 states and 1086 transitions. Second operand 8 states. [2020-08-18 13:28:52,190 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2020-08-18 13:29:01,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 13:29:01,079 INFO L93 Difference]: Finished difference Result 980 states and 1298 transitions. [2020-08-18 13:29:01,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 13:29:01,080 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-08-18 13:29:01,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 13:29:01,081 INFO L225 Difference]: With dead ends: 980 [2020-08-18 13:29:01,082 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 13:29:01,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2020-08-18 13:29:01,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 13:29:01,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 13:29:01,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 13:29:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 13:29:01,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-08-18 13:29:01,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 13:29:01,088 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 13:29:01,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 13:29:01,088 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 13:29:01,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 13:29:01,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 13:29:01,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 13:29:10,821 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27 [2020-08-18 13:29:11,304 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 13:29:11,742 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 13:29:12,169 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 13:29:12,647 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 24 [2020-08-18 13:29:13,086 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-18 13:29:13,466 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 13:29:13,860 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 13:29:14,396 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 78 [2020-08-18 13:29:14,793 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 13:29:15,196 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 13:29:15,603 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 13:29:16,001 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 13:29:16,396 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 13:29:16,850 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 13:29:17,283 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 13:29:17,721 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-18 13:29:18,140 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-18 13:29:18,601 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 13:29:19,018 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 13:29:19,455 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 13:29:19,846 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 13:29:20,251 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 13:29:20,645 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 13:29:21,045 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 13:29:21,463 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 13:29:21,855 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-18 13:29:22,336 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 13:29:22,737 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 13:29:23,173 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-18 13:29:23,664 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-18 13:29:24,098 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27 [2020-08-18 13:29:24,472 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-18 13:29:24,878 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 18 [2020-08-18 13:29:25,273 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15