/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 17:03:50,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 17:03:50,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 17:03:50,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 17:03:50,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 17:03:50,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 17:03:50,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 17:03:50,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 17:03:50,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 17:03:50,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 17:03:50,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 17:03:50,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 17:03:50,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 17:03:50,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 17:03:50,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 17:03:50,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 17:03:50,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 17:03:50,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 17:03:50,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 17:03:50,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 17:03:50,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 17:03:50,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 17:03:50,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 17:03:50,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 17:03:50,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 17:03:50,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 17:03:50,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 17:03:50,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 17:03:50,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 17:03:50,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 17:03:50,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 17:03:50,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 17:03:50,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 17:03:50,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 17:03:50,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 17:03:50,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 17:03:50,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 17:03:50,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 17:03:50,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 17:03:50,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 17:03:50,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 17:03:50,258 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-08-21 17:03:50,300 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 17:03:50,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 17:03:50,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 17:03:50,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 17:03:50,304 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 17:03:50,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 17:03:50,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 17:03:50,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 17:03:50,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 17:03:50,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 17:03:50,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 17:03:50,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 17:03:50,306 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 17:03:50,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 17:03:50,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 17:03:50,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 17:03:50,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 17:03:50,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 17:03:50,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 17:03:50,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 17:03:50,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 17:03:50,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 17:03:50,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 17:03:50,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 17:03:50,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 17:03:50,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 17:03:50,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-21 17:03:50,311 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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-21 17:03:50,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 17:03:50,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 17:03:50,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 17:03:50,635 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 17:03:50,636 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 17:03:50,637 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-21 17:03:50,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/561b7f53e/722f4519803e42d58d0d691cd6e6ca8d/FLAGfbf424bd3 [2020-08-21 17:03:51,401 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 17:03:51,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-21 17:03:51,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/561b7f53e/722f4519803e42d58d0d691cd6e6ca8d/FLAGfbf424bd3 [2020-08-21 17:03:51,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/561b7f53e/722f4519803e42d58d0d691cd6e6ca8d [2020-08-21 17:03:51,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 17:03:51,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 17:03:51,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 17:03:51,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 17:03:51,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 17:03:51,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:03:51" (1/1) ... [2020-08-21 17:03:51,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23bdcc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:03:51, skipping insertion in model container [2020-08-21 17:03:51,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:03:51" (1/1) ... [2020-08-21 17:03:51,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 17:03:51,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 17:03:52,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:03:52,879 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 17:03:53,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:03:53,273 INFO L208 MainTranslator]: Completed translation [2020-08-21 17:03:53,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:03:53 WrapperNode [2020-08-21 17:03:53,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 17:03:53,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 17:03:53,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 17:03:53,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 17:03:53,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:03:53" (1/1) ... [2020-08-21 17:03:53,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:03:53" (1/1) ... [2020-08-21 17:03:53,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:03:53" (1/1) ... [2020-08-21 17:03:53,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:03:53" (1/1) ... [2020-08-21 17:03:53,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:03:53" (1/1) ... [2020-08-21 17:03:53,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:03:53" (1/1) ... [2020-08-21 17:03:53,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:03:53" (1/1) ... [2020-08-21 17:03:53,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 17:03:53,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 17:03:53,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 17:03:53,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 17:03:53,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:03:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 17:03:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 17:03:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 17:03:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-21 17:03:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-21 17:03:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-08-21 17:03:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-08-21 17:03:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-08-21 17:03:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-08-21 17:03:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2020-08-21 17:03:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-21 17:03:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-21 17:03:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-21 17:03:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-08-21 17:03:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-08-21 17:03:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-21 17:03:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-21 17:03:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-21 17:03:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-21 17:03:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-21 17:03:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-21 17:03:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2020-08-21 17:03:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2020-08-21 17:03:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2020-08-21 17:03:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_address [2020-08-21 17:03:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-08-21 17:03:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-08-21 17:03:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_num [2020-08-21 17:03:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_has_feature [2020-08-21 17:03:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure node_to_amd_nb [2020-08-21 17:03:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure gart_set_size_and_enable [2020-08-21 17:03:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_gart_translation [2020-08-21 17:03:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure aperture_valid [2020-08-21 17:03:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_tlbflush [2020-08-21 17:03:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_insert_memory [2020-08-21 17:03:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_fetch_size [2020-08-21 17:03:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_configure [2020-08-21 17:03:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_8151_configure [2020-08-21 17:03:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_cleanup [2020-08-21 17:03:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_aperture_valid [2020-08-21 17:03:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_northbridge [2020-08-21 17:03:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_nbs [2020-08-21 17:03:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8151_init [2020-08-21 17:03:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure uli_agp_init [2020-08-21 17:03:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure nforce3_agp_init [2020-08-21 17:03:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_probe [2020-08-21 17:03:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_remove [2020-08-21 17:03:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_suspend [2020-08-21 17:03:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_resume [2020-08-21 17:03:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_init [2020-08-21 17:03:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_mod_init [2020-08-21 17:03:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_cleanup [2020-08-21 17:03:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_1 [2020-08-21 17:03:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-21 17:03:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 17:03:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_5 [2020-08-21 17:03:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_6 [2020-08-21 17:03:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_7 [2020-08-21 17:03:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_8 [2020-08-21 17:03:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_9 [2020-08-21 17:03:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-21 17:03:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-21 17:03:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-21 17:03:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-21 17:03:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-21 17:03:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-08-21 17:03:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-08-21 17:03:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-08-21 17:03:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-08-21 17:03:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-08-21 17:03:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-21 17:03:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-08-21 17:03:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-08-21 17:03:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-08-21 17:03:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-08-21 17:03:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-08-21 17:03:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_add_bridge [2020-08-21 17:03:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_alloc_bridge [2020-08-21 17:03:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_by_type [2020-08-21 17:03:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_page [2020-08-21 17:03:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_pages [2020-08-21 17:03:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_create_gatt_table [2020-08-21 17:03:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_page [2020-08-21 17:03:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_pages [2020-08-21 17:03:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_enable [2020-08-21 17:03:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_by_type [2020-08-21 17:03:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_gatt_table [2020-08-21 17:03:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_mask_memory [2020-08-21 17:03:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_remove_memory [2020-08-21 17:03:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_type_to_mask_type [2020-08-21 17:03:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_num_entries [2020-08-21 17:03:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_put_bridge [2020-08-21 17:03:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_remove_bridge [2020-08-21 17:03:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_cache_northbridges [2020-08-21 17:03:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_flush_garts [2020-08-21 17:03:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-08-21 17:03:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2020-08-21 17:03:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure e820_any_mapped [2020-08-21 17:03:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure global_cache_flush [2020-08-21 17:03:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-21 17:03:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_1 [2020-08-21 17:03:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2020-08-21 17:03:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_1 [2020-08-21 17:03:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2020-08-21 17:03:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2020-08-21 17:03:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2020-08-21 17:03:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-08-21 17:03:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_present [2020-08-21 17:03:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2020-08-21 17:03:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2020-08-21 17:03:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_slot [2020-08-21 17:03:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-08-21 17:03:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-08-21 17:03:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-08-21 17:03:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-08-21 17:03:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_resource_to_bus [2020-08-21 17:03:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-21 17:03:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-08-21 17:03:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-21 17:03:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-21 17:03:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-21 17:03:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 17:03:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-21 17:03:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-08-21 17:03:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-08-21 17:03:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-21 17:03:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-08-21 17:03:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-21 17:03:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure e820_any_mapped [2020-08-21 17:03:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-08-21 17:03:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-08-21 17:03:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-08-21 17:03:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-08-21 17:03:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-08-21 17:03:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2020-08-21 17:03:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 17:03:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-21 17:03:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 17:03:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-21 17:03:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-21 17:03:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-21 17:03:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-21 17:03:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 17:03:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-21 17:03:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-21 17:03:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-08-21 17:03:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-08-21 17:03:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-21 17:03:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-21 17:03:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-21 17:03:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-21 17:03:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_1 [2020-08-21 17:03:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-21 17:03:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-21 17:03:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 17:03:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-21 17:03:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 17:03:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2020-08-21 17:03:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-08-21 17:03:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-08-21 17:03:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_resource_to_bus [2020-08-21 17:03:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2020-08-21 17:03:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2020-08-21 17:03:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_slot [2020-08-21 17:03:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-08-21 17:03:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2020-08-21 17:03:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2020-08-21 17:03:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2020-08-21 17:03:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2020-08-21 17:03:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 17:03:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2020-08-21 17:03:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2020-08-21 17:03:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-08-21 17:03:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-08-21 17:03:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-08-21 17:03:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-08-21 17:03:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_address [2020-08-21 17:03:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 17:03:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 17:03:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-08-21 17:03:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_5 [2020-08-21 17:03:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-08-21 17:03:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_6 [2020-08-21 17:03:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_7 [2020-08-21 17:03:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_8 [2020-08-21 17:03:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_9 [2020-08-21 17:03:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-08-21 17:03:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-08-21 17:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure amd_cache_northbridges [2020-08-21 17:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure amd_flush_garts [2020-08-21 17:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_num [2020-08-21 17:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_has_feature [2020-08-21 17:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure node_to_amd_nb [2020-08-21 17:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_init [2020-08-21 17:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure gart_set_size_and_enable [2020-08-21 17:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure enable_gart_translation [2020-08-21 17:03:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 17:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure aperture_valid [2020-08-21 17:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure agp_alloc_bridge [2020-08-21 17:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure agp_put_bridge [2020-08-21 17:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure agp_add_bridge [2020-08-21 17:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure agp_remove_bridge [2020-08-21 17:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_enable [2020-08-21 17:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_create_gatt_table [2020-08-21 17:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_gatt_table [2020-08-21 17:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_remove_memory [2020-08-21 17:03:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_by_type [2020-08-21 17:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_by_type [2020-08-21 17:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_page [2020-08-21 17:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_pages [2020-08-21 17:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_page [2020-08-21 17:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_pages [2020-08-21 17:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure agp_num_entries [2020-08-21 17:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure global_cache_flush [2020-08-21 17:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_mask_memory [2020-08-21 17:03:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_type_to_mask_type [2020-08-21 17:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_tlbflush [2020-08-21 17:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_insert_memory [2020-08-21 17:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-21 17:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-21 17:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_fetch_size [2020-08-21 17:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_configure [2020-08-21 17:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure amd_8151_configure [2020-08-21 17:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_cleanup [2020-08-21 17:03:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure agp_aperture_valid [2020-08-21 17:03:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure fix_northbridge [2020-08-21 17:03:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure cache_nbs [2020-08-21 17:03:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure amd8151_init [2020-08-21 17:03:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure uli_agp_init [2020-08-21 17:03:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure nforce3_agp_init [2020-08-21 17:03:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_probe [2020-08-21 17:03:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_remove [2020-08-21 17:03:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_suspend [2020-08-21 17:03:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_resume [2020-08-21 17:03:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_mod_init [2020-08-21 17:03:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_cleanup [2020-08-21 17:03:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_1 [2020-08-21 17:03:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2020-08-21 17:03:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_1 [2020-08-21 17:03:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-21 17:03:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-21 17:03:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 17:03:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-21 17:03:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-21 17:03:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-21 17:03:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-21 17:03:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-21 17:03:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-08-21 17:03:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-08-21 17:03:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-08-21 17:03:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-08-21 17:03:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-08-21 17:03:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 17:03:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-21 17:03:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 17:03:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 17:03:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-21 17:03:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-08-21 17:03:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 17:03:56,946 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-21 17:04:01,811 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-08-21 17:04:02,216 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 17:04:02,216 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 17:04:02,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:04:02 BoogieIcfgContainer [2020-08-21 17:04:02,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 17:04:02,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 17:04:02,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 17:04:02,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 17:04:02,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 05:03:51" (1/3) ... [2020-08-21 17:04:02,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df76d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:04:02, skipping insertion in model container [2020-08-21 17:04:02,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:03:53" (2/3) ... [2020-08-21 17:04:02,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df76d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:04:02, skipping insertion in model container [2020-08-21 17:04:02,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:04:02" (3/3) ... [2020-08-21 17:04:02,252 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-21 17:04:02,264 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 17:04:02,273 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 17:04:02,288 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 17:04:02,318 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 17:04:02,319 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 17:04:02,319 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 17:04:02,319 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 17:04:02,319 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 17:04:02,319 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 17:04:02,319 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 17:04:02,319 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 17:04:02,357 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states. [2020-08-21 17:04:02,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-21 17:04:02,380 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:04:02,382 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:04:02,382 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:04:02,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:04:02,390 INFO L82 PathProgramCache]: Analyzing trace with hash 887876909, now seen corresponding path program 1 times [2020-08-21 17:04:02,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:04:02,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1414665291] [2020-08-21 17:04:02,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:04:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:03,873 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-21 17:04:03,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:04:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:04:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:04:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:04:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:04:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 17:04:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 17:04:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 17:04:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-21 17:04:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-21 17:04:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-21 17:04:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-21 17:04:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-21 17:04:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-21 17:04:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-21 17:04:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-21 17:04:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-21 17:04:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-21 17:04:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:04:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-21 17:04:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:04,656 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-21 17:04:04,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1414665291] [2020-08-21 17:04:04,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:04:04,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 17:04:04,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127381089] [2020-08-21 17:04:04,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 17:04:04,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:04:04,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 17:04:04,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:04:04,682 INFO L87 Difference]: Start difference. First operand 869 states. Second operand 7 states. [2020-08-21 17:04:12,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:04:12,212 INFO L93 Difference]: Finished difference Result 1847 states and 2460 transitions. [2020-08-21 17:04:12,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 17:04:12,214 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-08-21 17:04:12,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:04:12,242 INFO L225 Difference]: With dead ends: 1847 [2020-08-21 17:04:12,243 INFO L226 Difference]: Without dead ends: 980 [2020-08-21 17:04:12,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2020-08-21 17:04:12,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-08-21 17:04:12,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 845. [2020-08-21 17:04:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-08-21 17:04:12,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1086 transitions. [2020-08-21 17:04:12,513 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1086 transitions. Word has length 207 [2020-08-21 17:04:12,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:04:12,514 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 1086 transitions. [2020-08-21 17:04:12,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 17:04:12,514 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1086 transitions. [2020-08-21 17:04:12,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-21 17:04:12,520 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:04:12,520 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:04:12,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 17:04:12,521 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:04:12,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:04:12,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1980725417, now seen corresponding path program 1 times [2020-08-21 17:04:12,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:04:12,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161565647] [2020-08-21 17:04:12,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:04:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,461 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-21 17:04:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:04:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:04:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:04:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:04:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:04:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 17:04:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 17:04:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 17:04:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-21 17:04:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-21 17:04:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-21 17:04:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-21 17:04:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-21 17:04:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-21 17:04:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-21 17:04:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-21 17:04:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-21 17:04:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-21 17:04:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 17:04:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-21 17:04:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:13,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 17:04:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:04:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-21 17:04:14,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [161565647] [2020-08-21 17:04:14,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:04:14,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 17:04:14,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938303148] [2020-08-21 17:04:14,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 17:04:14,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:04:14,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 17:04:14,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-21 17:04:14,069 INFO L87 Difference]: Start difference. First operand 845 states and 1086 transitions. Second operand 8 states. [2020-08-21 17:04:24,462 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2020-08-21 17:04:33,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:04:33,607 INFO L93 Difference]: Finished difference Result 980 states and 1298 transitions. [2020-08-21 17:04:33,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 17:04:33,608 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-08-21 17:04:33,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:04:33,610 INFO L225 Difference]: With dead ends: 980 [2020-08-21 17:04:33,610 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 17:04:33,614 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 [2020-08-21 17:04:33,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 17:04:33,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 17:04:33,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 17:04:33,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 17:04:33,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-08-21 17:04:33,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:04:33,616 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 17:04:33,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 17:04:33,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 17:04:33,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 17:04:33,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 17:04:33,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 17:04:43,228 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27 [2020-08-21 17:04:43,703 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 17:04:44,107 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 17:04:44,532 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-21 17:04:45,053 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 24 [2020-08-21 17:04:45,492 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-21 17:04:45,888 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 17:04:46,286 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-21 17:04:46,861 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 78 [2020-08-21 17:04:47,259 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 17:04:47,682 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-21 17:04:48,100 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 17:04:48,509 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-21 17:04:48,915 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-21 17:04:49,342 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 17:04:49,787 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-21 17:04:50,243 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-21 17:04:50,670 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-21 17:04:51,138 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-21 17:04:51,540 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 17:04:52,004 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-21 17:04:52,398 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 17:04:52,827 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-21 17:04:53,239 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-21 17:04:53,666 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21