/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 00:19:25,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 00:19:25,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 00:19:25,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 00:19:25,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 00:19:25,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 00:19:25,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 00:19:25,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 00:19:25,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 00:19:25,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 00:19:25,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 00:19:25,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 00:19:25,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 00:19:25,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 00:19:25,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 00:19:25,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 00:19:25,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 00:19:25,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 00:19:25,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 00:19:25,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 00:19:25,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 00:19:25,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 00:19:25,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 00:19:25,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 00:19:25,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 00:19:25,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 00:19:25,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 00:19:25,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 00:19:25,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 00:19:25,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 00:19:25,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 00:19:25,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 00:19:25,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 00:19:25,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 00:19:25,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 00:19:25,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 00:19:25,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 00:19:25,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 00:19:25,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 00:19:25,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 00:19:25,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 00:19:25,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-08-22 00:19:25,296 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 00:19:25,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 00:19:25,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 00:19:25,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 00:19:25,298 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 00:19:25,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 00:19:25,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 00:19:25,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 00:19:25,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 00:19:25,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 00:19:25,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 00:19:25,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 00:19:25,301 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 00:19:25,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 00:19:25,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 00:19:25,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 00:19:25,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 00:19:25,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 00:19:25,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:19:25,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 00:19:25,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 00:19:25,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 00:19:25,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 00:19:25,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 00:19:25,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 00:19:25,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 00:19:25,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 00:19:25,304 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-08-22 00:19:25,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 00:19:25,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 00:19:25,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 00:19:25,646 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 00:19:25,647 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 00:19:25,647 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-22 00:19:25,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/231a1fdb1/bb0f0e7197a8467bb97c821a2fbe4e70/FLAGfb1744186 [2020-08-22 00:19:26,432 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 00:19:26,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-22 00:19:26,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/231a1fdb1/bb0f0e7197a8467bb97c821a2fbe4e70/FLAGfb1744186 [2020-08-22 00:19:26,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/231a1fdb1/bb0f0e7197a8467bb97c821a2fbe4e70 [2020-08-22 00:19:26,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 00:19:26,589 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 00:19:26,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 00:19:26,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 00:19:26,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 00:19:26,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:19:26" (1/1) ... [2020-08-22 00:19:26,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634d1e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:19:26, skipping insertion in model container [2020-08-22 00:19:26,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:19:26" (1/1) ... [2020-08-22 00:19:26,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 00:19:26,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 00:19:27,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:19:27,982 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 00:19:28,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:19:28,458 INFO L208 MainTranslator]: Completed translation [2020-08-22 00:19:28,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:19:28 WrapperNode [2020-08-22 00:19:28,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 00:19:28,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 00:19:28,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 00:19:28,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 00:19:28,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:19:28" (1/1) ... [2020-08-22 00:19:28,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:19:28" (1/1) ... [2020-08-22 00:19:28,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:19:28" (1/1) ... [2020-08-22 00:19:28,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:19:28" (1/1) ... [2020-08-22 00:19:28,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:19:28" (1/1) ... [2020-08-22 00:19:28,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:19:28" (1/1) ... [2020-08-22 00:19:28,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:19:28" (1/1) ... [2020-08-22 00:19:28,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 00:19:28,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 00:19:28,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 00:19:28,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 00:19:28,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:19:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:19:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 00:19:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 00:19:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-22 00:19:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-22 00:19:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-08-22 00:19:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-08-22 00:19:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-08-22 00:19:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-08-22 00:19:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2020-08-22 00:19:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-22 00:19:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-22 00:19:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-22 00:19:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-08-22 00:19:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-08-22 00:19:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-22 00:19:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-22 00:19:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-22 00:19:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-22 00:19:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-22 00:19:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-22 00:19:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2020-08-22 00:19:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2020-08-22 00:19:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2020-08-22 00:19:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_address [2020-08-22 00:19:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-08-22 00:19:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-08-22 00:19:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_num [2020-08-22 00:19:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_has_feature [2020-08-22 00:19:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure node_to_amd_nb [2020-08-22 00:19:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure gart_set_size_and_enable [2020-08-22 00:19:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_gart_translation [2020-08-22 00:19:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure aperture_valid [2020-08-22 00:19:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_tlbflush [2020-08-22 00:19:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_insert_memory [2020-08-22 00:19:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_fetch_size [2020-08-22 00:19:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_configure [2020-08-22 00:19:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_8151_configure [2020-08-22 00:19:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_cleanup [2020-08-22 00:19:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_aperture_valid [2020-08-22 00:19:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_northbridge [2020-08-22 00:19:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_nbs [2020-08-22 00:19:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8151_init [2020-08-22 00:19:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure uli_agp_init [2020-08-22 00:19:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nforce3_agp_init [2020-08-22 00:19:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_probe [2020-08-22 00:19:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_remove [2020-08-22 00:19:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_suspend [2020-08-22 00:19:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_resume [2020-08-22 00:19:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_init [2020-08-22 00:19:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_mod_init [2020-08-22 00:19:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_cleanup [2020-08-22 00:19:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_1 [2020-08-22 00:19:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-22 00:19:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 00:19:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_5 [2020-08-22 00:19:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_6 [2020-08-22 00:19:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_7 [2020-08-22 00:19:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_8 [2020-08-22 00:19:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_9 [2020-08-22 00:19:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-22 00:19:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-22 00:19:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-22 00:19:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-22 00:19:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-22 00:19:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-08-22 00:19:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-08-22 00:19:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-08-22 00:19:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-08-22 00:19:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-08-22 00:19:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-22 00:19:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-08-22 00:19:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-08-22 00:19:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-08-22 00:19:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-08-22 00:19:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-08-22 00:19:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_add_bridge [2020-08-22 00:19:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_alloc_bridge [2020-08-22 00:19:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_by_type [2020-08-22 00:19:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_page [2020-08-22 00:19:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_pages [2020-08-22 00:19:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_create_gatt_table [2020-08-22 00:19:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_page [2020-08-22 00:19:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_pages [2020-08-22 00:19:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_enable [2020-08-22 00:19:28,806 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_by_type [2020-08-22 00:19:28,806 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_gatt_table [2020-08-22 00:19:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_mask_memory [2020-08-22 00:19:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_remove_memory [2020-08-22 00:19:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_type_to_mask_type [2020-08-22 00:19:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_num_entries [2020-08-22 00:19:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_put_bridge [2020-08-22 00:19:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_remove_bridge [2020-08-22 00:19:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_cache_northbridges [2020-08-22 00:19:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_flush_garts [2020-08-22 00:19:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-08-22 00:19:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2020-08-22 00:19:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure e820_any_mapped [2020-08-22 00:19:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure global_cache_flush [2020-08-22 00:19:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-22 00:19:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_1 [2020-08-22 00:19:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2020-08-22 00:19:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_1 [2020-08-22 00:19:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2020-08-22 00:19:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2020-08-22 00:19:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2020-08-22 00:19:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-08-22 00:19:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_present [2020-08-22 00:19:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2020-08-22 00:19:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2020-08-22 00:19:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_slot [2020-08-22 00:19:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-08-22 00:19:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-08-22 00:19:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-08-22 00:19:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-08-22 00:19:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_resource_to_bus [2020-08-22 00:19:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-22 00:19:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-08-22 00:19:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-22 00:19:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-22 00:19:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-22 00:19:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 00:19:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-22 00:19:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-08-22 00:19:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-08-22 00:19:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-22 00:19:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-08-22 00:19:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-22 00:19:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure e820_any_mapped [2020-08-22 00:19:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-08-22 00:19:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-08-22 00:19:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-08-22 00:19:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-08-22 00:19:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-08-22 00:19:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2020-08-22 00:19:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 00:19:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-22 00:19:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 00:19:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-22 00:19:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 00:19:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-22 00:19:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-22 00:19:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 00:19:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-22 00:19:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-22 00:19:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-08-22 00:19:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-08-22 00:19:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-22 00:19:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-22 00:19:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-22 00:19:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-22 00:19:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_1 [2020-08-22 00:19:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-22 00:19:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-22 00:19:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 00:19:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-22 00:19:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 00:19:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2020-08-22 00:19:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-08-22 00:19:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-08-22 00:19:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_resource_to_bus [2020-08-22 00:19:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2020-08-22 00:19:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2020-08-22 00:19:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_slot [2020-08-22 00:19:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-08-22 00:19:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2020-08-22 00:19:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2020-08-22 00:19:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2020-08-22 00:19:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2020-08-22 00:19:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 00:19:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2020-08-22 00:19:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2020-08-22 00:19:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-08-22 00:19:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-08-22 00:19:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-08-22 00:19:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-08-22 00:19:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_address [2020-08-22 00:19:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 00:19:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 00:19:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-08-22 00:19:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_5 [2020-08-22 00:19:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-08-22 00:19:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_6 [2020-08-22 00:19:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_7 [2020-08-22 00:19:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_8 [2020-08-22 00:19:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_9 [2020-08-22 00:19:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-08-22 00:19:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-08-22 00:19:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure amd_cache_northbridges [2020-08-22 00:19:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure amd_flush_garts [2020-08-22 00:19:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_num [2020-08-22 00:19:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_has_feature [2020-08-22 00:19:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure node_to_amd_nb [2020-08-22 00:19:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_init [2020-08-22 00:19:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure gart_set_size_and_enable [2020-08-22 00:19:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure enable_gart_translation [2020-08-22 00:19:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 00:19:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure aperture_valid [2020-08-22 00:19:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure agp_alloc_bridge [2020-08-22 00:19:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure agp_put_bridge [2020-08-22 00:19:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure agp_add_bridge [2020-08-22 00:19:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure agp_remove_bridge [2020-08-22 00:19:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_enable [2020-08-22 00:19:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_create_gatt_table [2020-08-22 00:19:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_gatt_table [2020-08-22 00:19:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_remove_memory [2020-08-22 00:19:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_by_type [2020-08-22 00:19:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_by_type [2020-08-22 00:19:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_page [2020-08-22 00:19:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_pages [2020-08-22 00:19:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_page [2020-08-22 00:19:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_pages [2020-08-22 00:19:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure agp_num_entries [2020-08-22 00:19:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure global_cache_flush [2020-08-22 00:19:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_mask_memory [2020-08-22 00:19:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_type_to_mask_type [2020-08-22 00:19:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_tlbflush [2020-08-22 00:19:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_insert_memory [2020-08-22 00:19:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-22 00:19:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-22 00:19:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_fetch_size [2020-08-22 00:19:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_configure [2020-08-22 00:19:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure amd_8151_configure [2020-08-22 00:19:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_cleanup [2020-08-22 00:19:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure agp_aperture_valid [2020-08-22 00:19:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure fix_northbridge [2020-08-22 00:19:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure cache_nbs [2020-08-22 00:19:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure amd8151_init [2020-08-22 00:19:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure uli_agp_init [2020-08-22 00:19:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure nforce3_agp_init [2020-08-22 00:19:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_probe [2020-08-22 00:19:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_remove [2020-08-22 00:19:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_suspend [2020-08-22 00:19:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_resume [2020-08-22 00:19:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_mod_init [2020-08-22 00:19:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_cleanup [2020-08-22 00:19:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_1 [2020-08-22 00:19:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2020-08-22 00:19:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_1 [2020-08-22 00:19:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-22 00:19:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-22 00:19:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 00:19:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-22 00:19:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-22 00:19:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-22 00:19:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-22 00:19:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-22 00:19:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-08-22 00:19:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-08-22 00:19:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-08-22 00:19:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-08-22 00:19:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-08-22 00:19:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 00:19:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-22 00:19:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 00:19:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 00:19:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-22 00:19:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-08-22 00:19:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 00:19:31,796 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-22 00:19:36,842 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-08-22 00:19:37,169 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 00:19:37,170 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 00:19:37,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:19:37 BoogieIcfgContainer [2020-08-22 00:19:37,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 00:19:37,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 00:19:37,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 00:19:37,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 00:19:37,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 12:19:26" (1/3) ... [2020-08-22 00:19:37,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e12b6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:19:37, skipping insertion in model container [2020-08-22 00:19:37,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:19:28" (2/3) ... [2020-08-22 00:19:37,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e12b6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:19:37, skipping insertion in model container [2020-08-22 00:19:37,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:19:37" (3/3) ... [2020-08-22 00:19:37,190 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-22 00:19:37,201 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 00:19:37,211 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 00:19:37,226 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 00:19:37,255 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 00:19:37,255 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 00:19:37,255 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 00:19:37,255 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 00:19:37,256 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 00:19:37,256 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 00:19:37,256 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 00:19:37,256 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 00:19:37,294 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states. [2020-08-22 00:19:37,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-22 00:19:37,316 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:19:37,317 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:19:37,318 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:19:37,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:19:37,324 INFO L82 PathProgramCache]: Analyzing trace with hash 887876909, now seen corresponding path program 1 times [2020-08-22 00:19:37,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:19:37,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [235612742] [2020-08-22 00:19:37,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:19:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:38,850 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-22 00:19:38,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:19:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:38,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:19:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:19:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:19:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:19:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 00:19:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 00:19:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 00:19:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-22 00:19:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 00:19:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-22 00:19:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 00:19:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 00:19:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 00:19:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 00:19:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-22 00:19:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-22 00:19:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-22 00:19:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:19:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-22 00:19:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:39,676 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-22 00:19:39,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [235612742] [2020-08-22 00:19:39,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:19:39,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 00:19:39,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644568300] [2020-08-22 00:19:39,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 00:19:39,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:19:39,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 00:19:39,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-08-22 00:19:39,696 INFO L87 Difference]: Start difference. First operand 869 states. Second operand 7 states. [2020-08-22 00:19:49,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:19:49,346 INFO L93 Difference]: Finished difference Result 1847 states and 2460 transitions. [2020-08-22 00:19:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 00:19:49,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-08-22 00:19:49,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:19:49,376 INFO L225 Difference]: With dead ends: 1847 [2020-08-22 00:19:49,376 INFO L226 Difference]: Without dead ends: 980 [2020-08-22 00:19:49,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:19:49,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-08-22 00:19:49,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 845. [2020-08-22 00:19:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-08-22 00:19:49,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1086 transitions. [2020-08-22 00:19:49,610 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1086 transitions. Word has length 207 [2020-08-22 00:19:49,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:19:49,611 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 1086 transitions. [2020-08-22 00:19:49,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 00:19:49,611 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1086 transitions. [2020-08-22 00:19:49,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-22 00:19:49,618 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:19:49,619 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:19:49,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 00:19:49,620 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:19:49,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:19:49,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1980725417, now seen corresponding path program 1 times [2020-08-22 00:19:49,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:19:49,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538931875] [2020-08-22 00:19:49,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:19:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,599 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-22 00:19:50,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:19:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:19:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:19:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:19:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:19:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 00:19:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 00:19:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 00:19:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-22 00:19:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 00:19:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-22 00:19:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 00:19:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 00:19:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 00:19:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 00:19:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-22 00:19:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-22 00:19:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-22 00:19:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:19:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:50,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:51,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-22 00:19:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:51,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:19:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:19:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-22 00:19:51,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1538931875] [2020-08-22 00:19:51,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:19:51,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 00:19:51,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245511956] [2020-08-22 00:19:51,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 00:19:51,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:19:51,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 00:19:51,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:19:51,181 INFO L87 Difference]: Start difference. First operand 845 states and 1086 transitions. Second operand 8 states. [2020-08-22 00:19:53,924 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2020-08-22 00:20:03,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:20:03,798 INFO L93 Difference]: Finished difference Result 980 states and 1298 transitions. [2020-08-22 00:20:03,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 00:20:03,799 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-08-22 00:20:03,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:20:03,802 INFO L225 Difference]: With dead ends: 980 [2020-08-22 00:20:03,802 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 00:20:03,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2020-08-22 00:20:03,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 00:20:03,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 00:20:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 00:20:03,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 00:20:03,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-08-22 00:20:03,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:20:03,811 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 00:20:03,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 00:20:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 00:20:03,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 00:20:03,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 00:20:03,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 00:20:03,936 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2020-08-22 00:20:13,554 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27 [2020-08-22 00:20:14,018 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 00:20:14,430 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 00:20:14,855 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 00:20:15,395 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 24 [2020-08-22 00:20:15,836 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-22 00:20:16,236 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 00:20:16,631 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 00:20:17,181 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 78 [2020-08-22 00:20:17,570 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 00:20:17,978 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-22 00:20:18,372 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 00:20:18,771 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 00:20:19,185 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-22 00:20:19,689 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 00:20:20,121 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-22 00:20:20,562 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-22 00:20:20,984 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-22 00:20:21,438 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-22 00:20:21,840 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 00:20:22,266 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-22 00:20:22,673 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 00:20:23,088 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 00:20:23,493 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 00:20:23,904 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-22 00:20:24,307 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 00:20:24,700 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 00:20:25,185 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 00:20:25,592 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-22 00:20:26,029 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 00:20:26,507 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21