/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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 06:48:42,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 06:48:42,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 06:48:42,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 06:48:42,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 06:48:42,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 06:48:42,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 06:48:42,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 06:48:42,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 06:48:42,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 06:48:42,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 06:48:42,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 06:48:42,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 06:48:42,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 06:48:42,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 06:48:42,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 06:48:42,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 06:48:42,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 06:48:42,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 06:48:42,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 06:48:42,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 06:48:42,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 06:48:42,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 06:48:42,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 06:48:42,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 06:48:42,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 06:48:42,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 06:48:42,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 06:48:42,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 06:48:42,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 06:48:42,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 06:48:42,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 06:48:42,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 06:48:42,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 06:48:42,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 06:48:42,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 06:48:42,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 06:48:42,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 06:48:42,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 06:48:42,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 06:48:42,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 06:48:42,652 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 06:48:42,676 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 06:48:42,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 06:48:42,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 06:48:42,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 06:48:42,678 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 06:48:42,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 06:48:42,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 06:48:42,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 06:48:42,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 06:48:42,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 06:48:42,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 06:48:42,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 06:48:42,679 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 06:48:42,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 06:48:42,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 06:48:42,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 06:48:42,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 06:48:42,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 06:48:42,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 06:48:42,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 06:48:42,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 06:48:42,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 06:48:42,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 06:48:42,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 06:48:42,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 06:48:42,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 06:48:42,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 06:48:42,682 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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-08-22 06:48:42,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 06:48:43,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 06:48:43,014 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 06:48:43,016 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 06:48:43,017 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 06:48:43,017 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-22 06:48:43,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f55475bf2/f9ead7a25a994d65ae78b7e3a44c9d8f/FLAG8705c04b0 [2020-08-22 06:48:43,774 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 06:48:43,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2020-08-22 06:48:43,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f55475bf2/f9ead7a25a994d65ae78b7e3a44c9d8f/FLAG8705c04b0 [2020-08-22 06:48:43,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f55475bf2/f9ead7a25a994d65ae78b7e3a44c9d8f [2020-08-22 06:48:43,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 06:48:43,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 06:48:43,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 06:48:43,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 06:48:43,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 06:48:43,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:48:43" (1/1) ... [2020-08-22 06:48:44,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@105928f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:48:44, skipping insertion in model container [2020-08-22 06:48:44,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:48:43" (1/1) ... [2020-08-22 06:48:44,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 06:48:44,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 06:48:45,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 06:48:45,504 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 06:48:45,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 06:48:46,115 INFO L208 MainTranslator]: Completed translation [2020-08-22 06:48:46,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:48:46 WrapperNode [2020-08-22 06:48:46,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 06:48:46,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 06:48:46,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 06:48:46,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 06:48:46,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:48:46" (1/1) ... [2020-08-22 06:48:46,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:48:46" (1/1) ... [2020-08-22 06:48:46,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:48:46" (1/1) ... [2020-08-22 06:48:46,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:48:46" (1/1) ... [2020-08-22 06:48:46,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:48:46" (1/1) ... [2020-08-22 06:48:46,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:48:46" (1/1) ... [2020-08-22 06:48:46,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:48:46" (1/1) ... [2020-08-22 06:48:46,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 06:48:46,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 06:48:46,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 06:48:46,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 06:48:46,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:48:46" (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 06:48:46,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 06:48:46,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 06:48:46,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-22 06:48:46,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-22 06:48:46,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-08-22 06:48:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-08-22 06:48:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-08-22 06:48:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-08-22 06:48:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2020-08-22 06:48:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-22 06:48:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-22 06:48:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-22 06:48:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-08-22 06:48:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-08-22 06:48:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-22 06:48:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-22 06:48:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-22 06:48:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-22 06:48:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-22 06:48:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-22 06:48:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2020-08-22 06:48:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2020-08-22 06:48:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2020-08-22 06:48:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_address [2020-08-22 06:48:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-08-22 06:48:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-08-22 06:48:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_num [2020-08-22 06:48:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_has_feature [2020-08-22 06:48:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure node_to_amd_nb [2020-08-22 06:48:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure gart_set_size_and_enable [2020-08-22 06:48:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_gart_translation [2020-08-22 06:48:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure aperture_valid [2020-08-22 06:48:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_tlbflush [2020-08-22 06:48:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_insert_memory [2020-08-22 06:48:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_fetch_size [2020-08-22 06:48:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_configure [2020-08-22 06:48:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_8151_configure [2020-08-22 06:48:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_cleanup [2020-08-22 06:48:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_aperture_valid [2020-08-22 06:48:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_northbridge [2020-08-22 06:48:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_nbs [2020-08-22 06:48:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8151_init [2020-08-22 06:48:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure uli_agp_init [2020-08-22 06:48:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure nforce3_agp_init [2020-08-22 06:48:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_probe [2020-08-22 06:48:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_remove [2020-08-22 06:48:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_suspend [2020-08-22 06:48:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_resume [2020-08-22 06:48:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_init [2020-08-22 06:48:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_mod_init [2020-08-22 06:48:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_cleanup [2020-08-22 06:48:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_1 [2020-08-22 06:48:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-22 06:48:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 06:48:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_5 [2020-08-22 06:48:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_6 [2020-08-22 06:48:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_7 [2020-08-22 06:48:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_8 [2020-08-22 06:48:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_9 [2020-08-22 06:48:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-22 06:48:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-22 06:48:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-22 06:48:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-22 06:48:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-22 06:48:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-08-22 06:48:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-08-22 06:48:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-08-22 06:48:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-08-22 06:48:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-08-22 06:48:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-22 06:48:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-08-22 06:48:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-08-22 06:48:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-08-22 06:48:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-08-22 06:48:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-08-22 06:48:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_add_bridge [2020-08-22 06:48:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_alloc_bridge [2020-08-22 06:48:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_by_type [2020-08-22 06:48:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_page [2020-08-22 06:48:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_alloc_pages [2020-08-22 06:48:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_create_gatt_table [2020-08-22 06:48:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_page [2020-08-22 06:48:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_destroy_pages [2020-08-22 06:48:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_enable [2020-08-22 06:48:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_by_type [2020-08-22 06:48:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_free_gatt_table [2020-08-22 06:48:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_mask_memory [2020-08-22 06:48:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_remove_memory [2020-08-22 06:48:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_type_to_mask_type [2020-08-22 06:48:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_num_entries [2020-08-22 06:48:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_put_bridge [2020-08-22 06:48:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_remove_bridge [2020-08-22 06:48:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_cache_northbridges [2020-08-22 06:48:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_flush_garts [2020-08-22 06:48:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-08-22 06:48:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2020-08-22 06:48:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure e820_any_mapped [2020-08-22 06:48:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure global_cache_flush [2020-08-22 06:48:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-22 06:48:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_1 [2020-08-22 06:48:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2020-08-22 06:48:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_1 [2020-08-22 06:48:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2020-08-22 06:48:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2020-08-22 06:48:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2020-08-22 06:48:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-08-22 06:48:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_present [2020-08-22 06:48:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2020-08-22 06:48:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2020-08-22 06:48:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_slot [2020-08-22 06:48:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-08-22 06:48:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-08-22 06:48:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-08-22 06:48:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-08-22 06:48:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_resource_to_bus [2020-08-22 06:48:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-22 06:48:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-08-22 06:48:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-22 06:48:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-22 06:48:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-22 06:48:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 06:48:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-22 06:48:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-08-22 06:48:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-08-22 06:48:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-22 06:48:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-08-22 06:48:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-22 06:48:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure e820_any_mapped [2020-08-22 06:48:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-08-22 06:48:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-08-22 06:48:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-08-22 06:48:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-08-22 06:48:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-08-22 06:48:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2020-08-22 06:48:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 06:48:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-22 06:48:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 06:48:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-22 06:48:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 06:48:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-22 06:48:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-22 06:48:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 06:48:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-22 06:48:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-22 06:48:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-08-22 06:48:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-08-22 06:48:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-22 06:48:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-22 06:48:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-22 06:48:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-22 06:48:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_1 [2020-08-22 06:48:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_agp_bridge_driver_2 [2020-08-22 06:48:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-22 06:48:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 06:48:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-22 06:48:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 06:48:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2020-08-22 06:48:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-08-22 06:48:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-08-22 06:48:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_resource_to_bus [2020-08-22 06:48:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2020-08-22 06:48:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2020-08-22 06:48:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_slot [2020-08-22 06:48:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-08-22 06:48:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2020-08-22 06:48:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2020-08-22 06:48:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2020-08-22 06:48:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2020-08-22 06:48:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 06:48:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2020-08-22 06:48:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2020-08-22 06:48:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-08-22 06:48:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-08-22 06:48:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-08-22 06:48:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-08-22 06:48:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_address [2020-08-22 06:48:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 06:48:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 06:48:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-08-22 06:48:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_5 [2020-08-22 06:48:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-08-22 06:48:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_6 [2020-08-22 06:48:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_7 [2020-08-22 06:48:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_8 [2020-08-22 06:48:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_9 [2020-08-22 06:48:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-08-22 06:48:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-08-22 06:48:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure amd_cache_northbridges [2020-08-22 06:48:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure amd_flush_garts [2020-08-22 06:48:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_num [2020-08-22 06:48:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_has_feature [2020-08-22 06:48:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure node_to_amd_nb [2020-08-22 06:48:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_init [2020-08-22 06:48:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure gart_set_size_and_enable [2020-08-22 06:48:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure enable_gart_translation [2020-08-22 06:48:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 06:48:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure aperture_valid [2020-08-22 06:48:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure agp_alloc_bridge [2020-08-22 06:48:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure agp_put_bridge [2020-08-22 06:48:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure agp_add_bridge [2020-08-22 06:48:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure agp_remove_bridge [2020-08-22 06:48:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_enable [2020-08-22 06:48:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_create_gatt_table [2020-08-22 06:48:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_gatt_table [2020-08-22 06:48:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_remove_memory [2020-08-22 06:48:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_by_type [2020-08-22 06:48:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_free_by_type [2020-08-22 06:48:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_page [2020-08-22 06:48:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_alloc_pages [2020-08-22 06:48:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_page [2020-08-22 06:48:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_destroy_pages [2020-08-22 06:48:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure agp_num_entries [2020-08-22 06:48:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure global_cache_flush [2020-08-22 06:48:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_mask_memory [2020-08-22 06:48:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_type_to_mask_type [2020-08-22 06:48:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_tlbflush [2020-08-22 06:48:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_insert_memory [2020-08-22 06:48:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-08-22 06:48:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~TO~int [2020-08-22 06:48:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_fetch_size [2020-08-22 06:48:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_configure [2020-08-22 06:48:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure amd_8151_configure [2020-08-22 06:48:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_cleanup [2020-08-22 06:48:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure agp_aperture_valid [2020-08-22 06:48:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure fix_northbridge [2020-08-22 06:48:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure cache_nbs [2020-08-22 06:48:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure amd8151_init [2020-08-22 06:48:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure uli_agp_init [2020-08-22 06:48:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure nforce3_agp_init [2020-08-22 06:48:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_probe [2020-08-22 06:48:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_remove [2020-08-22 06:48:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_suspend [2020-08-22 06:48:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_resume [2020-08-22 06:48:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_mod_init [2020-08-22 06:48:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_cleanup [2020-08-22 06:48:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_1 [2020-08-22 06:48:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2020-08-22 06:48:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_1 [2020-08-22 06:48:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-22 06:48:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-22 06:48:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 06:48:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-22 06:48:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-22 06:48:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-22 06:48:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-22 06:48:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-22 06:48:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-08-22 06:48:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-08-22 06:48:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-08-22 06:48:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-08-22 06:48:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-08-22 06:48:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 06:48:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-22 06:48:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 06:48:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 06:48:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-22 06:48:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-08-22 06:48:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 06:48:49,666 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-22 06:48:55,085 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-08-22 06:48:55,397 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 06:48:55,397 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 06:48:55,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:48:55 BoogieIcfgContainer [2020-08-22 06:48:55,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 06:48:55,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 06:48:55,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 06:48:55,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 06:48:55,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:48:43" (1/3) ... [2020-08-22 06:48:55,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2339ef5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:48:55, skipping insertion in model container [2020-08-22 06:48:55,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:48:46" (2/3) ... [2020-08-22 06:48:55,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2339ef5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:48:55, skipping insertion in model container [2020-08-22 06:48:55,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:48:55" (3/3) ... [2020-08-22 06:48:55,416 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 06:48:55,428 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 06:48:55,438 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 06:48:55,454 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 06:48:55,486 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 06:48:55,487 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 06:48:55,487 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 06:48:55,487 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 06:48:55,487 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 06:48:55,487 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 06:48:55,487 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 06:48:55,487 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 06:48:55,529 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states. [2020-08-22 06:48:55,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-22 06:48:55,549 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:48:55,551 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 06:48:55,551 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:48:55,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:48:55,560 INFO L82 PathProgramCache]: Analyzing trace with hash 887876909, now seen corresponding path program 1 times [2020-08-22 06:48:55,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:48:55,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389169303] [2020-08-22 06:48:55,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:48:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,110 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-22 06:48:57,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:48:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:48:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:48:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 06:48:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:48:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 06:48:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 06:48:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 06:48:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-22 06:48:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 06:48:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-22 06:48:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 06:48:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 06:48:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 06:48:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 06:48:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-22 06:48:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-22 06:48:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-22 06:48:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:48:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-22 06:48:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:48:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:48:57,775 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 06:48:57,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389169303] [2020-08-22 06:48:57,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:48:57,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 06:48:57,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741288254] [2020-08-22 06:48:57,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 06:48:57,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:48:57,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 06:48:57,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-08-22 06:48:57,810 INFO L87 Difference]: Start difference. First operand 869 states. Second operand 7 states. [2020-08-22 06:49:07,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:49:07,166 INFO L93 Difference]: Finished difference Result 1847 states and 2460 transitions. [2020-08-22 06:49:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 06:49:07,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-08-22 06:49:07,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:49:07,196 INFO L225 Difference]: With dead ends: 1847 [2020-08-22 06:49:07,196 INFO L226 Difference]: Without dead ends: 980 [2020-08-22 06:49:07,210 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 06:49:07,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-08-22 06:49:07,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 845. [2020-08-22 06:49:07,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-08-22 06:49:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1086 transitions. [2020-08-22 06:49:07,437 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1086 transitions. Word has length 207 [2020-08-22 06:49:07,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:49:07,438 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 1086 transitions. [2020-08-22 06:49:07,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 06:49:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1086 transitions. [2020-08-22 06:49:07,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-22 06:49:07,444 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:49:07,444 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 06:49:07,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 06:49:07,445 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:49:07,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:49:07,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1980725417, now seen corresponding path program 1 times [2020-08-22 06:49:07,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:49:07,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855196291] [2020-08-22 06:49:07,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:49:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,347 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-08-22 06:49:08,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:49:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:49:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:49:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 06:49:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:49:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 06:49:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 06:49:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 06:49:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-22 06:49:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 06:49:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-22 06:49:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 06:49:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 06:49:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 06:49:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 06:49:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-22 06:49:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-22 06:49:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-22 06:49:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:49:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:08,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-08-22 06:49:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:09,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:49:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:49:09,143 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 06:49:09,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855196291] [2020-08-22 06:49:09,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:49:09,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 06:49:09,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163257752] [2020-08-22 06:49:09,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 06:49:09,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:49:09,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 06:49:09,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-22 06:49:09,150 INFO L87 Difference]: Start difference. First operand 845 states and 1086 transitions. Second operand 8 states. [2020-08-22 06:49:11,894 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2020-08-22 06:49:20,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:49:20,940 INFO L93 Difference]: Finished difference Result 980 states and 1298 transitions. [2020-08-22 06:49:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 06:49:20,941 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-08-22 06:49:20,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:49:20,943 INFO L225 Difference]: With dead ends: 980 [2020-08-22 06:49:20,943 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 06:49:20,948 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 06:49:20,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 06:49:20,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 06:49:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 06:49:20,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 06:49:20,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-08-22 06:49:20,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:49:20,949 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 06:49:20,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 06:49:20,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 06:49:20,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 06:49:20,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 06:49:20,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 06:49:30,983 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 27 [2020-08-22 06:49:31,424 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 06:49:31,844 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 06:49:32,284 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 06:49:32,843 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 24 [2020-08-22 06:49:33,274 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-22 06:49:33,652 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 06:49:34,037 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 06:49:34,551 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 78 [2020-08-22 06:49:34,936 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 06:49:35,403 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-22 06:49:35,823 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 06:49:36,226 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 06:49:36,615 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-22 06:49:37,005 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 06:49:37,431 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-22 06:49:37,873 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-22 06:49:38,314 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-08-22 06:49:38,765 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 12 [2020-08-22 06:49:39,165 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 06:49:39,551 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-22 06:49:39,943 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 06:49:40,358 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 06:49:40,793 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 06:49:41,211 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21 [2020-08-22 06:49:41,615 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 06:49:42,021 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 8 [2020-08-22 06:49:42,444 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 15 [2020-08-22 06:49:42,843 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 21