/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-video-arkfb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 21:53:02,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 21:53:02,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 21:53:02,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 21:53:02,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 21:53:02,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 21:53:02,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 21:53:02,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 21:53:02,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 21:53:02,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 21:53:02,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 21:53:02,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 21:53:02,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 21:53:02,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 21:53:02,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 21:53:02,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 21:53:02,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 21:53:02,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 21:53:02,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 21:53:02,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 21:53:02,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 21:53:02,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 21:53:02,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 21:53:02,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 21:53:02,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 21:53:02,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 21:53:02,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 21:53:02,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 21:53:02,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 21:53:02,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 21:53:02,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 21:53:02,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 21:53:02,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 21:53:02,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 21:53:02,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 21:53:02,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 21:53:02,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 21:53:02,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 21:53:02,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 21:53:02,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 21:53:02,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 21:53:02,913 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 [2020-10-28 21:53:02,956 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 21:53:02,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 21:53:02,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 21:53:02,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 21:53:02,959 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 21:53:02,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 21:53:02,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 21:53:02,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 21:53:02,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 21:53:02,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 21:53:02,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 21:53:02,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 21:53:02,960 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 21:53:02,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 21:53:02,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 21:53:02,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 21:53:02,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 21:53:02,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 21:53:02,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 21:53:02,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 21:53:02,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 21:53:02,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 21:53:02,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 21:53:02,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 21:53:02,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 21:53:02,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 21:53:02,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 21:53:02,963 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 21:53:03,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 21:53:03,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 21:53:03,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 21:53:03,407 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 21:53:03,408 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 21:53:03,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-video-arkfb.ko.cil.out.i [2020-10-28 21:53:03,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c038afa2/81075dbac25f4ac99c7054b0d5cc9527/FLAG47301a72f [2020-10-28 21:53:04,630 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 21:53:04,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-video-arkfb.ko.cil.out.i [2020-10-28 21:53:04,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c038afa2/81075dbac25f4ac99c7054b0d5cc9527/FLAG47301a72f [2020-10-28 21:53:04,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c038afa2/81075dbac25f4ac99c7054b0d5cc9527 [2020-10-28 21:53:04,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 21:53:05,000 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 21:53:05,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 21:53:05,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 21:53:05,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 21:53:05,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:53:04" (1/1) ... [2020-10-28 21:53:05,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638253d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:05, skipping insertion in model container [2020-10-28 21:53:05,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:53:04" (1/1) ... [2020-10-28 21:53:05,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 21:53:05,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 21:53:06,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:53:06,709 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 21:53:07,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:53:07,467 INFO L208 MainTranslator]: Completed translation [2020-10-28 21:53:07,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:07 WrapperNode [2020-10-28 21:53:07,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 21:53:07,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 21:53:07,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 21:53:07,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 21:53:07,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:07" (1/1) ... [2020-10-28 21:53:07,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:07" (1/1) ... [2020-10-28 21:53:07,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:07" (1/1) ... [2020-10-28 21:53:07,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:07" (1/1) ... [2020-10-28 21:53:07,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:07" (1/1) ... [2020-10-28 21:53:07,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:07" (1/1) ... [2020-10-28 21:53:07,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:07" (1/1) ... [2020-10-28 21:53:07,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 21:53:07,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 21:53:07,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 21:53:07,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 21:53:07,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:07" (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 [2020-10-28 21:53:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 21:53:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 21:53:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-28 21:53:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2020-10-28 21:53:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-28 21:53:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u32~0~TO~int [2020-10-28 21:53:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 21:53:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 21:53:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2020-10-28 21:53:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-10-28 21:53:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-10-28 21:53:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2020-10-28 21:53:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __writeb [2020-10-28 21:53:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2020-10-28 21:53:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_io [2020-10-28 21:53:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-28 21:53:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-28 21:53:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2020-10-28 21:53:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2020-10-28 21:53:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2020-10-28 21:53:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-28 21:53:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-28 21:53:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 21:53:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 21:53:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2020-10-28 21:53:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_bus_to_resource [2020-10-28 21:53:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-28 21:53:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-28 21:53:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2020-10-28 21:53:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_io_r [2020-10-28 21:53:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_io_w [2020-10-28 21:53:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_io_w_fast [2020-10-28 21:53:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_mm_r [2020-10-28 21:53:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_mm_w [2020-10-28 21:53:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_mm_w_fast [2020-10-28 21:53:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_r [2020-10-28 21:53:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_w [2020-10-28 21:53:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_w_fast [2020-10-28 21:53:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_rcrt [2020-10-28 21:53:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wcrt [2020-10-28 21:53:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_rseq [2020-10-28 21:53:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wseq [2020-10-28 21:53:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wgfx [2020-10-28 21:53:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wseq_mask [2020-10-28 21:53:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wcrt_mask [2020-10-28 21:53:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_primary_device [2020-10-28 21:53:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_settile [2020-10-28 21:53:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_tilecursor [2020-10-28 21:53:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure expand_color [2020-10-28 21:53:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_iplan_imageblit [2020-10-28 21:53:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_iplan_fillrect [2020-10-28 21:53:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure expand_pixel [2020-10-28 21:53:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_cfb4_imageblit [2020-10-28 21:53:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_imageblit [2020-10-28 21:53:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_fillrect [2020-10-28 21:53:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dac_write_reg [2020-10-28 21:53:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dac_write_regs [2020-10-28 21:53:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dac_set_mode [2020-10-28 21:53:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dac_set_freq [2020-10-28 21:53:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dac_release [2020-10-28 21:53:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ics5342_set_mode [2020-10-28 21:53:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ics5342_set_freq [2020-10-28 21:53:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ics5342_release [2020-10-28 21:53:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ics5342_init [2020-10-28 21:53:07,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_dac_read_regs [2020-10-28 21:53:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_dac_write_regs [2020-10-28 21:53:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_set_pixclock [2020-10-28 21:53:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_open [2020-10-28 21:53:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_release [2020-10-28 21:53:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_check_var [2020-10-28 21:53:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_set_par [2020-10-28 21:53:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_setcolreg [2020-10-28 21:53:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_blank [2020-10-28 21:53:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_pan_display [2020-10-28 21:53:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_pci_probe [2020-10-28 21:53:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_pci_remove [2020-10-28 21:53:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_pci_suspend [2020-10-28 21:53:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_pci_resume [2020-10-28 21:53:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_cleanup [2020-10-28 21:53:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_init [2020-10-28 21:53:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-28 21:53:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-28 21:53:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 21:53:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-28 21:53:07,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-28 21:53:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-28 21:53:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-28 21:53:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-28 21:53:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-28 21:53:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 21:53:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-28 21:53:07,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 21:53:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 21:53:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-28 21:53:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-28 21:53:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-28 21:53:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_fillrect [2020-10-28 21:53:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_imageblit [2020-10-28 21:53:07,917 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2020-10-28 21:53:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2020-10-28 21:53:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 21:53:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 21:53:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 21:53:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2020-10-28 21:53:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2020-10-28 21:53:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2020-10-28 21:53:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2020-10-28 21:53:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2020-10-28 21:53:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2020-10-28 21:53:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-28 21:53:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 21:53:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-28 21:53:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mtrr_add [2020-10-28 21:53:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mtrr_del [2020-10-28 21:53:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-28 21:53:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 21:53:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2020-10-28 21:53:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-10-28 21:53:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-28 21:53:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-28 21:53:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2020-10-28 21:53:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2020-10-28 21:53:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2020-10-28 21:53:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2020-10-28 21:53:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-10-28 21:53:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-10-28 21:53:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2020-10-28 21:53:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-10-28 21:53:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-28 21:53:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 21:53:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2020-10-28 21:53:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure restore_vga [2020-10-28 21:53:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure save_vga [2020-10-28 21:53:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_check_timings [2020-10-28 21:53:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_compute_pll [2020-10-28 21:53:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_match_format [2020-10-28 21:53:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_set_default_atc_regs [2020-10-28 21:53:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_set_default_crt_regs [2020-10-28 21:53:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_set_default_gfx_regs [2020-10-28 21:53:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_set_default_seq_regs [2020-10-28 21:53:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_set_textmode_vga_regs [2020-10-28 21:53:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_set_timings [2020-10-28 21:53:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_tilecursor [2020-10-28 21:53:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wcrt_multi [2020-10-28 21:53:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2020-10-28 21:53:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 21:53:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 21:53:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-28 21:53:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 21:53:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 21:53:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 21:53:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 21:53:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 21:53:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 21:53:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 21:53:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-28 21:53:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 21:53:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-28 21:53:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2020-10-28 21:53:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-28 21:53:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 21:53:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-28 21:53:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-28 21:53:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 21:53:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-10-28 21:53:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-10-28 21:53:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2020-10-28 21:53:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure __writeb [2020-10-28 21:53:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2020-10-28 21:53:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2020-10-28 21:53:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2020-10-28 21:53:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure memset_io [2020-10-28 21:53:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 21:53:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-28 21:53:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-28 21:53:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2020-10-28 21:53:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2020-10-28 21:53:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2020-10-28 21:53:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 21:53:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-28 21:53:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-28 21:53:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-28 21:53:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-28 21:53:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 21:53:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 21:53:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 21:53:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-28 21:53:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 21:53:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 21:53:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 21:53:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 21:53:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_fillrect [2020-10-28 21:53:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_copyarea [2020-10-28 21:53:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_imageblit [2020-10-28 21:53:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2020-10-28 21:53:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2020-10-28 21:53:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2020-10-28 21:53:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2020-10-28 21:53:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2020-10-28 21:53:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2020-10-28 21:53:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2020-10-28 21:53:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2020-10-28 21:53:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2020-10-28 21:53:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2020-10-28 21:53:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 21:53:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-28 21:53:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-28 21:53:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2020-10-28 21:53:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-10-28 21:53:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-10-28 21:53:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-10-28 21:53:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-10-28 21:53:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2020-10-28 21:53:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2020-10-28 21:53:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-28 21:53:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-28 21:53:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_bus_to_resource [2020-10-28 21:53:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 21:53:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-28 21:53:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-28 21:53:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2020-10-28 21:53:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure save_vga [2020-10-28 21:53:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure restore_vga [2020-10-28 21:53:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure vga_io_r [2020-10-28 21:53:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure vga_io_w [2020-10-28 21:53:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure vga_io_w_fast [2020-10-28 21:53:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure vga_mm_r [2020-10-28 21:53:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure vga_mm_w [2020-10-28 21:53:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure vga_mm_w_fast [2020-10-28 21:53:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure vga_r [2020-10-28 21:53:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure vga_w [2020-10-28 21:53:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure vga_w_fast [2020-10-28 21:53:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure vga_rcrt [2020-10-28 21:53:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wcrt [2020-10-28 21:53:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure vga_rseq [2020-10-28 21:53:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wseq [2020-10-28 21:53:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wgfx [2020-10-28 21:53:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wseq_mask [2020-10-28 21:53:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wcrt_mask [2020-10-28 21:53:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure svga_primary_device [2020-10-28 21:53:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 21:53:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wcrt_multi [2020-10-28 21:53:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure svga_set_default_gfx_regs [2020-10-28 21:53:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure svga_set_default_atc_regs [2020-10-28 21:53:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure svga_set_default_seq_regs [2020-10-28 21:53:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure svga_set_default_crt_regs [2020-10-28 21:53:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure svga_set_textmode_vga_regs [2020-10-28 21:53:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure svga_tilecopy [2020-10-28 21:53:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure svga_tilefill [2020-10-28 21:53:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure svga_tileblit [2020-10-28 21:53:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure svga_tilecursor [2020-10-28 21:53:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure svga_get_tilemax [2020-10-28 21:53:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure svga_get_caps [2020-10-28 21:53:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure svga_compute_pll [2020-10-28 21:53:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure svga_check_timings [2020-10-28 21:53:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure svga_set_timings [2020-10-28 21:53:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure svga_match_format [2020-10-28 21:53:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2020-10-28 21:53:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2020-10-28 21:53:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure mtrr_add [2020-10-28 21:53:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure mtrr_del [2020-10-28 21:53:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_settile [2020-10-28 21:53:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_tilecursor [2020-10-28 21:53:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure expand_color [2020-10-28 21:53:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_iplan_imageblit [2020-10-28 21:53:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_iplan_fillrect [2020-10-28 21:53:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure expand_pixel [2020-10-28 21:53:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_cfb4_imageblit [2020-10-28 21:53:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_imageblit [2020-10-28 21:53:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_fillrect [2020-10-28 21:53:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure dac_write_reg [2020-10-28 21:53:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2020-10-28 21:53:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure dac_write_regs [2020-10-28 21:53:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure dac_set_mode [2020-10-28 21:53:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-28 21:53:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure dac_set_freq [2020-10-28 21:53:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u32~0~TO~int [2020-10-28 21:53:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure dac_release [2020-10-28 21:53:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 21:53:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure ics5342_set_mode [2020-10-28 21:53:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure ics5342_set_freq [2020-10-28 21:53:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure ics5342_release [2020-10-28 21:53:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure ics5342_init [2020-10-28 21:53:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 21:53:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure ark_dac_read_regs [2020-10-28 21:53:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure ark_dac_write_regs [2020-10-28 21:53:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure ark_set_pixclock [2020-10-28 21:53:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_open [2020-10-28 21:53:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_release [2020-10-28 21:53:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_check_var [2020-10-28 21:53:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_set_par [2020-10-28 21:53:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_setcolreg [2020-10-28 21:53:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_blank [2020-10-28 21:53:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_pan_display [2020-10-28 21:53:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure ark_pci_probe [2020-10-28 21:53:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-28 21:53:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure ark_pci_remove [2020-10-28 21:53:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure ark_pci_suspend [2020-10-28 21:53:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure ark_pci_resume [2020-10-28 21:53:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_cleanup [2020-10-28 21:53:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_init [2020-10-28 21:53:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 21:53:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-28 21:53:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 21:53:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 21:53:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 21:53:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-28 21:53:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-28 21:53:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-28 21:53:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-28 21:53:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-28 21:53:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-28 21:53:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-28 21:53:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 21:53:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 21:53:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 21:53:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 21:53:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 21:53:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 21:53:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 21:53:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 21:53:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 21:53:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 21:53:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 21:53:11,687 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:53:14,287 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2020-10-28 21:53:14,288 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2020-10-28 21:53:14,429 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-28 21:53:24,498 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:53:24,566 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume !false; [2020-10-28 21:53:24,567 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##48: assume false; [2020-10-28 21:53:25,228 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:53:25,319 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-28 21:53:25,319 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-28 21:53:25,567 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 21:53:25,567 INFO L298 CfgBuilder]: Removed 33 assume(true) statements. [2020-10-28 21:53:25,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:25 BoogieIcfgContainer [2020-10-28 21:53:25,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 21:53:25,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 21:53:25,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 21:53:25,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 21:53:25,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:53:04" (1/3) ... [2020-10-28 21:53:25,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0a9aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:53:25, skipping insertion in model container [2020-10-28 21:53:25,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:53:07" (2/3) ... [2020-10-28 21:53:25,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0a9aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:53:25, skipping insertion in model container [2020-10-28 21:53:25,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:53:25" (3/3) ... [2020-10-28 21:53:25,586 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-video-arkfb.ko.cil.out.i [2020-10-28 21:53:25,601 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 21:53:25,609 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 21:53:25,622 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 21:53:25,654 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 21:53:25,654 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 21:53:25,654 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 21:53:25,654 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 21:53:25,654 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 21:53:25,654 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 21:53:25,654 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 21:53:25,655 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 21:53:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states. [2020-10-28 21:53:25,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-28 21:53:25,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:53:25,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:53:25,702 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:53:25,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:53:25,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1716042806, now seen corresponding path program 1 times [2020-10-28 21:53:25,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:53:25,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279576128] [2020-10-28 21:53:25,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:53:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:26,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:27,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:31,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:31,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 21:53:31,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:53:31,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5297 [2020-10-28 21:53:31,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:31,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:31,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:53:31,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 21:53:31,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:53:31,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 21:53:40,439 WARN L193 SmtUtils]: Spent 8.36 s on a formula simplification that was a NOOP. DAG size: 1156 [2020-10-28 21:53:40,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:53:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:40,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:41,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:41,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:53:41,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:53:41,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1400 [2020-10-28 21:53:41,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:41,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:53:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:53:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:53:41,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:53:42,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:53:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:42,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:42,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:42,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:53:42,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:53:42,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:53:42,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:42,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:53:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:53:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:53:42,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:53:42,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 21:53:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:42,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:42,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:42,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 21:53:42,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:53:42,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 21:53:42,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:42,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:42,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:53:42,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 21:53:42,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:53:42,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:53:42,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:53:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:42,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:42,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:42,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:53:42,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:53:42,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:53:42,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:42,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:42,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:53:42,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:53:42,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:53:42,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:53:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:53:42,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279576128] [2020-10-28 21:53:42,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:53:42,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 21:53:42,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308443560] [2020-10-28 21:53:42,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 21:53:42,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:53:42,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 21:53:42,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 21:53:42,155 INFO L87 Difference]: Start difference. First operand 1139 states. Second operand 3 states. [2020-10-28 21:54:18,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:54:18,775 INFO L93 Difference]: Finished difference Result 2317 states and 3083 transitions. [2020-10-28 21:54:18,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 21:54:18,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-10-28 21:54:18,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:54:18,822 INFO L225 Difference]: With dead ends: 2317 [2020-10-28 21:54:18,822 INFO L226 Difference]: Without dead ends: 1207 [2020-10-28 21:54:18,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 21:54:18,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-10-28 21:54:20,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1105. [2020-10-28 21:54:20,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1105 states. [2020-10-28 21:54:20,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1379 transitions. [2020-10-28 21:54:20,211 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1379 transitions. Word has length 27 [2020-10-28 21:54:20,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:54:20,212 INFO L481 AbstractCegarLoop]: Abstraction has 1105 states and 1379 transitions. [2020-10-28 21:54:20,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 21:54:20,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1379 transitions. [2020-10-28 21:54:20,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-28 21:54:20,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:54:20,213 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:54:20,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 21:54:20,214 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:54:20,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:54:20,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1560663267, now seen corresponding path program 1 times [2020-10-28 21:54:20,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:54:20,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493979097] [2020-10-28 21:54:20,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:54:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:20,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:24,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:28,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:28,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 21:54:28,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:54:28,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8454 [2020-10-28 21:54:28,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:28,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:54:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:54:28,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 21:54:28,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:37,229 WARN L193 SmtUtils]: Spent 8.11 s on a formula simplification that was a NOOP. DAG size: 1156 [2020-10-28 21:54:37,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:54:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:37,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:40,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:40,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:54:40,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:40,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3391 [2020-10-28 21:54:40,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:40,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:54:40,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:40,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:54:40,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:40,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:54:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:40,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:40,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:40,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:54:40,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:40,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 21:54:40,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:40,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:54:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:54:40,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:40,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 21:54:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:40,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:40,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:40,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 21:54:40,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 21:54:40,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:40,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:54:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 21:54:40,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:41,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 21:54:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:41,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:41,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:41,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:54:41,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:41,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:54:41,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:41,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:41,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:41,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:41,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:41,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:54:41,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:54:41,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493979097] [2020-10-28 21:54:41,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:54:41,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 21:54:41,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072475360] [2020-10-28 21:54:41,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 21:54:41,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:54:41,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 21:54:41,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 21:54:41,060 INFO L87 Difference]: Start difference. First operand 1105 states and 1379 transitions. Second operand 4 states. [2020-10-28 21:54:51,647 WARN L193 SmtUtils]: Spent 8.20 s on a formula simplification that was a NOOP. DAG size: 1158 [2020-10-28 21:55:27,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:55:27,433 INFO L93 Difference]: Finished difference Result 1211 states and 1531 transitions. [2020-10-28 21:55:27,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 21:55:27,435 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-10-28 21:55:27,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:55:27,446 INFO L225 Difference]: With dead ends: 1211 [2020-10-28 21:55:27,446 INFO L226 Difference]: Without dead ends: 1206 [2020-10-28 21:55:27,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:55:27,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2020-10-28 21:55:28,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1104. [2020-10-28 21:55:28,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1104 states. [2020-10-28 21:55:28,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1377 transitions. [2020-10-28 21:55:28,401 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1377 transitions. Word has length 29 [2020-10-28 21:55:28,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:55:28,402 INFO L481 AbstractCegarLoop]: Abstraction has 1104 states and 1377 transitions. [2020-10-28 21:55:28,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 21:55:28,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1377 transitions. [2020-10-28 21:55:28,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-28 21:55:28,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:55:28,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:55:28,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 21:55:28,404 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:55:28,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:55:28,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1722103178, now seen corresponding path program 1 times [2020-10-28 21:55:28,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:55:28,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102165183] [2020-10-28 21:55:28,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:55:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:28,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:31,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:39,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:39,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 21:55:39,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:55:39,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10511 [2020-10-28 21:55:39,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:39,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:39,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:55:39,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:55:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 21:55:39,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:47,613 WARN L193 SmtUtils]: Spent 8.28 s on a formula simplification that was a NOOP. DAG size: 1156 [2020-10-28 21:55:47,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:55:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:47,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:50,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:50,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:55:50,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:50,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2676 [2020-10-28 21:55:50,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:50,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:50,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:55:50,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:50,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:55:50,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:50,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:55:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:50,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:50,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:50,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:55:50,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:50,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:55:50,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:50,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:55:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:55:50,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:50,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 21:55:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:50,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:50,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:50,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 21:55:50,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:50,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 21:55:50,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:50,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:50,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:55:50,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:50,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 21:55:50,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:50,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 21:55:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:50,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:50,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:50,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:55:50,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:50,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 21:55:50,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:50,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:50,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:50,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:55:50,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102165183] [2020-10-28 21:55:50,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:55:50,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 21:55:50,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620112966] [2020-10-28 21:55:50,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 21:55:50,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:55:50,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 21:55:50,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 21:55:50,648 INFO L87 Difference]: Start difference. First operand 1104 states and 1377 transitions. Second operand 4 states. [2020-10-28 21:56:01,289 WARN L193 SmtUtils]: Spent 8.22 s on a formula simplification that was a NOOP. DAG size: 1158 [2020-10-28 21:56:36,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:56:36,726 INFO L93 Difference]: Finished difference Result 1206 states and 1526 transitions. [2020-10-28 21:56:36,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 21:56:36,728 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-10-28 21:56:36,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:56:36,728 INFO L225 Difference]: With dead ends: 1206 [2020-10-28 21:56:36,729 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 21:56:36,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:56:36,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 21:56:36,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 21:56:36,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 21:56:36,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 21:56:36,735 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2020-10-28 21:56:36,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:56:36,736 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 21:56:36,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 21:56:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 21:56:36,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 21:56:36,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 21:56:36,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 21:56:37,739 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 6 [2020-10-28 21:56:38,254 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 6 [2020-10-28 21:56:38,775 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 6 [2020-10-28 21:56:39,218 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 6 [2020-10-28 21:56:39,591 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:39,898 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:40,142 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 6 [2020-10-28 21:56:40,381 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 6 [2020-10-28 21:56:40,615 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 6 [2020-10-28 21:56:40,905 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:41,170 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:41,444 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:41,686 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:41,993 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:42,265 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:42,529 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:42,762 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:42,995 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:43,225 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:43,477 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:43,707 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:43,941 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:44,176 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:44,424 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:44,653 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:44,884 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:45,116 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:45,359 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:45,576 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 6 [2020-10-28 21:56:45,808 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:46,008 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 6 [2020-10-28 21:56:46,242 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:46,487 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:46,718 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:46,951 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:47,181 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:47,417 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:47,658 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:47,893 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:48,126 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:48,359 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:48,602 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:48,831 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:49,065 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:49,295 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:49,541 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:49,772 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:50,005 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:50,235 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:50,472 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:50,713 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:50,942 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:51,175 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:51,406 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 1159 [2020-10-28 21:56:51,648 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 1159