./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2d3fedd3393c9ef9037d23202ca807e49e09d9211ff455e3da7db836a65b4737 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:04:08,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:04:08,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:04:08,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:04:08,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:04:08,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:04:08,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:04:08,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:04:08,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:04:08,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:04:08,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:04:08,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:04:08,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:04:08,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:04:08,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:04:08,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:04:08,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:04:08,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:04:08,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:04:08,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:04:08,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:04:08,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:04:08,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:04:08,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:04:08,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:04:08,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:04:08,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:04:08,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:04:08,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:04:08,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:04:08,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:04:08,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:04:08,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:04:08,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:04:08,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:04:08,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:04:08,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:04:08,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:04:08,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:04:08,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:04:08,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:04:08,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:04:08,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:04:08,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:04:08,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:04:08,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:04:08,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:04:08,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:04:08,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:04:08,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:04:08,733 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:04:08,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:04:08,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:04:08,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:04:08,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:04:08,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:04:08,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:04:08,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:04:08,734 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:04:08,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:04:08,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:04:08,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:04:08,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:04:08,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:04:08,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:04:08,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:04:08,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:04:08,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:04:08,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:04:08,736 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:04:08,736 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:04:08,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:04:08,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:04:08,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d3fedd3393c9ef9037d23202ca807e49e09d9211ff455e3da7db836a65b4737 [2021-12-14 18:04:08,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:04:08,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:04:08,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:04:08,965 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:04:08,966 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:04:08,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-12-14 18:04:09,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576f91e9c/8353632e0b454a408eb9cc60fd1c94ba/FLAG6e7a686b3 [2021-12-14 18:04:09,677 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:04:09,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-12-14 18:04:09,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576f91e9c/8353632e0b454a408eb9cc60fd1c94ba/FLAG6e7a686b3 [2021-12-14 18:04:10,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576f91e9c/8353632e0b454a408eb9cc60fd1c94ba [2021-12-14 18:04:10,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:04:10,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:04:10,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:04:10,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:04:10,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:04:10,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:04:10" (1/1) ... [2021-12-14 18:04:10,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d82863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:10, skipping insertion in model container [2021-12-14 18:04:10,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:04:10" (1/1) ... [2021-12-14 18:04:10,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:04:10,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:04:12,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i[367278,367291] [2021-12-14 18:04:12,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:04:12,468 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:04:12,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i[367278,367291] [2021-12-14 18:04:12,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:04:13,019 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:04:13,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13 WrapperNode [2021-12-14 18:04:13,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:04:13,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:04:13,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:04:13,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:04:13,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2021-12-14 18:04:13,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2021-12-14 18:04:13,408 INFO L137 Inliner]: procedures = 565, calls = 3127, calls flagged for inlining = 257, calls inlined = 249, statements flattened = 8798 [2021-12-14 18:04:13,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:04:13,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:04:13,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:04:13,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:04:13,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2021-12-14 18:04:13,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2021-12-14 18:04:13,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2021-12-14 18:04:13,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2021-12-14 18:04:13,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2021-12-14 18:04:13,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2021-12-14 18:04:13,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2021-12-14 18:04:13,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:04:13,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:04:13,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:04:13,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:04:13,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2021-12-14 18:04:13,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:04:13,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:04:13,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:04:13,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:04:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2021-12-14 18:04:13,682 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2021-12-14 18:04:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_cursor_set [2021-12-14 18:04:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_cursor_set [2021-12-14 18:04:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:04:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:04:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:04:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:04:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure mga_pci_remove [2021-12-14 18:04:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_pci_remove [2021-12-14 18:04:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_load_lut [2021-12-14 18:04:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_load_lut [2021-12-14 18:04:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure mga_user_framebuffer_destroy [2021-12-14 18:04:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_user_framebuffer_destroy [2021-12-14 18:04:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2021-12-14 18:04:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2021-12-14 18:04:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2021-12-14 18:04:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2021-12-14 18:04:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-14 18:04:13,685 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-14 18:04:13,685 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-14 18:04:13,685 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-14 18:04:13,685 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-14 18:04:13,685 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-14 18:04:13,685 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 18:04:13,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 18:04:13,685 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:04:13,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:04:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2021-12-14 18:04:13,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2021-12-14 18:04:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_disable [2021-12-14 18:04:13,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_disable [2021-12-14 18:04:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_base_of_ww_mutex [2021-12-14 18:04:13,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_base_of_ww_mutex [2021-12-14 18:04:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2021-12-14 18:04:13,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2021-12-14 18:04:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:04:13,687 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:04:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:04:13,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:04:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_unpin [2021-12-14 18:04:13,687 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_unpin [2021-12-14 18:04:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:04:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure mga_dirty_update [2021-12-14 18:04:13,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_dirty_update [2021-12-14 18:04:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2021-12-14 18:04:13,688 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2021-12-14 18:04:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2021-12-14 18:04:13,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2021-12-14 18:04:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2021-12-14 18:04:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2021-12-14 18:04:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_dpms [2021-12-14 18:04:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_dpms [2021-12-14 18:04:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_driver_unload [2021-12-14 18:04:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_driver_unload [2021-12-14 18:04:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_ttm_tt_unpopulate [2021-12-14 18:04:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_ttm_tt_unpopulate [2021-12-14 18:04:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:04:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2021-12-14 18:04:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2021-12-14 18:04:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_prepare [2021-12-14 18:04:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_prepare [2021-12-14 18:04:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2021-12-14 18:04:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2021-12-14 18:04:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:04:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:04:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:04:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:04:13,693 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_apertures [2021-12-14 18:04:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_apertures [2021-12-14 18:04:13,693 INFO L130 BoogieDeclarations]: Found specification of procedure mga_hide_cursor [2021-12-14 18:04:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_hide_cursor [2021-12-14 18:04:13,693 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference [2021-12-14 18:04:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference [2021-12-14 18:04:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_commit [2021-12-14 18:04:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_commit [2021-12-14 18:04:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:04:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:04:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:04:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2021-12-14 18:04:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2021-12-14 18:04:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_gem_free_object [2021-12-14 18:04:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_gem_free_object [2021-12-14 18:04:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:04:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_commit [2021-12-14 18:04:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_commit [2021-12-14 18:04:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2021-12-14 18:04:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2021-12-14 18:04:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:04:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:04:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:04:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:04:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_gem_create [2021-12-14 18:04:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_gem_create [2021-12-14 18:04:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:04:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:04:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-14 18:04:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-14 18:04:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_dpms [2021-12-14 18:04:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_dpms [2021-12-14 18:04:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure mga_vga_calculate_mode_bandwidth [2021-12-14 18:04:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_vga_calculate_mode_bandwidth [2021-12-14 18:04:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_destroy [2021-12-14 18:04:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_destroy [2021-12-14 18:04:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-14 18:04:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-14 18:04:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-14 18:04:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-14 18:04:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2021-12-14 18:04:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2021-12-14 18:04:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_pin [2021-12-14 18:04:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_pin [2021-12-14 18:04:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:04:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:04:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_ttm_placement [2021-12-14 18:04:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_ttm_placement [2021-12-14 18:04:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_cursor_move [2021-12-14 18:04:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_cursor_move [2021-12-14 18:04:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:04:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:04:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_mmap [2021-12-14 18:04:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_mmap [2021-12-14 18:04:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_unreserve [2021-12-14 18:04:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_unreserve [2021-12-14 18:04:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:04:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:04:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_push_sysram [2021-12-14 18:04:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_push_sysram [2021-12-14 18:04:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:04:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:04:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:04:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:04:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_mode_set [2021-12-14 18:04:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_mode_set [2021-12-14 18:04:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 18:04:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_gpu_offset [2021-12-14 18:04:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_gpu_offset [2021-12-14 18:04:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_base_of_ww_mutex [2021-12-14 18:04:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_base_of_ww_mutex [2021-12-14 18:04:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-14 18:04:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-14 18:04:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:04:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:04:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:04:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:04:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 18:04:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 18:04:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:04:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:04:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:04:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:04:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2021-12-14 18:04:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2021-12-14 18:04:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-14 18:04:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-14 18:04:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 18:04:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 18:04:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:04:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2021-12-14 18:04:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2021-12-14 18:04:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_mode_fixup [2021-12-14 18:04:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_mode_fixup [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2021-12-14 18:04:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_ttm_backend_destroy [2021-12-14 18:04:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_ttm_backend_destroy [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-14 18:04:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_create [2021-12-14 18:04:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_create [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_do_set_base [2021-12-14 18:04:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_do_set_base [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:04:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_reserve___0 [2021-12-14 18:04:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_reserve___0 [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_destroy [2021-12-14 18:04:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_destroy [2021-12-14 18:04:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_prepare [2021-12-14 18:04:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_prepare [2021-12-14 18:04:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo [2021-12-14 18:04:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo [2021-12-14 18:04:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_gamma_set [2021-12-14 18:04:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_gamma_set [2021-12-14 18:04:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure mga_connector_destroy [2021-12-14 18:04:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_connector_destroy [2021-12-14 18:04:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-14 18:04:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-14 18:04:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_mutex_19 [2021-12-14 18:04:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_mutex_19 [2021-12-14 18:04:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure remove_conflicting_framebuffers [2021-12-14 18:04:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_conflicting_framebuffers [2021-12-14 18:04:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2021-12-14 18:04:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2021-12-14 18:04:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_framebuffer_init [2021-12-14 18:04:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_framebuffer_init [2021-12-14 18:04:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:04:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:04:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:04:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:04:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:04:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2021-12-14 18:04:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2021-12-14 18:04:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_reserve [2021-12-14 18:04:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_reserve [2021-12-14 18:04:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:04:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:04:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2021-12-14 18:04:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2021-12-14 18:04:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2021-12-14 18:04:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2021-12-14 18:04:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2021-12-14 18:04:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2021-12-14 18:04:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_mode_set_base [2021-12-14 18:04:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_mode_set_base [2021-12-14 18:04:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure mga_vga_detect [2021-12-14 18:04:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_vga_detect [2021-12-14 18:04:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2021-12-14 18:04:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2021-12-14 18:04:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure mga_i2c_set [2021-12-14 18:04:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_i2c_set [2021-12-14 18:04:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:04:14,607 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:04:14,611 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:04:14,975 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:04:28,445 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:04:28,470 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:04:28,471 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 18:04:28,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:04:28 BoogieIcfgContainer [2021-12-14 18:04:28,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:04:28,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:04:28,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:04:28,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:04:28,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:04:10" (1/3) ... [2021-12-14 18:04:28,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5921fc74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:04:28, skipping insertion in model container [2021-12-14 18:04:28,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (2/3) ... [2021-12-14 18:04:28,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5921fc74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:04:28, skipping insertion in model container [2021-12-14 18:04:28,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:04:28" (3/3) ... [2021-12-14 18:04:28,481 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-12-14 18:04:28,484 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:04:28,485 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:04:28,538 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:04:28,544 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:04:28,545 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:04:28,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 2995 states, 2078 states have (on average 1.343599615014437) internal successors, (2792), 2157 states have internal predecessors, (2792), 812 states have call successors, (812), 104 states have call predecessors, (812), 103 states have return successors, (795), 777 states have call predecessors, (795), 795 states have call successors, (795) [2021-12-14 18:04:28,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-14 18:04:28,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:04:28,615 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:04:28,616 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:04:28,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:04:28,620 INFO L85 PathProgramCache]: Analyzing trace with hash 543121941, now seen corresponding path program 1 times [2021-12-14 18:04:28,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:04:28,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214957003] [2021-12-14 18:04:28,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:04:28,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:04:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:04:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:04:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:04:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:04:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:04:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:04:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:04:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:04:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:04:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:04:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:04:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:04:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:04:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:04:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:04:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:04:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:04:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-14 18:04:29,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:04:29,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214957003] [2021-12-14 18:04:29,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214957003] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:04:29,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:04:29,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:04:29,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528743596] [2021-12-14 18:04:29,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:04:29,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:04:29,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:04:29,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:04:29,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:04:29,922 INFO L87 Difference]: Start difference. First operand has 2995 states, 2078 states have (on average 1.343599615014437) internal successors, (2792), 2157 states have internal predecessors, (2792), 812 states have call successors, (812), 104 states have call predecessors, (812), 103 states have return successors, (795), 777 states have call predecessors, (795), 795 states have call successors, (795) Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-14 18:04:35,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:04:38,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:04:49,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:04:49,205 INFO L93 Difference]: Finished difference Result 6205 states and 9341 transitions. [2021-12-14 18:04:49,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:04:49,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 250 [2021-12-14 18:04:49,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:04:49,237 INFO L225 Difference]: With dead ends: 6205 [2021-12-14 18:04:49,237 INFO L226 Difference]: Without dead ends: 3179 [2021-12-14 18:04:49,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:04:49,256 INFO L933 BasicCegarLoop]: 4035 mSDtfsCounter, 1791 mSDsluCounter, 5038 mSDsCounter, 0 mSdLazyCounter, 3364 mSolverCounterSat, 2134 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1840 SdHoareTripleChecker+Valid, 9073 SdHoareTripleChecker+Invalid, 5499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2134 IncrementalHoareTripleChecker+Valid, 3364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:04:49,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1840 Valid, 9073 Invalid, 5499 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2134 Valid, 3364 Invalid, 1 Unknown, 0 Unchecked, 18.6s Time] [2021-12-14 18:04:49,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2021-12-14 18:04:49,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 2961. [2021-12-14 18:04:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2961 states, 2063 states have (on average 1.3310712554532234) internal successors, (2746), 2123 states have internal predecessors, (2746), 795 states have call successors, (795), 103 states have call predecessors, (795), 102 states have return successors, (783), 765 states have call predecessors, (783), 783 states have call successors, (783) [2021-12-14 18:04:49,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 4324 transitions. [2021-12-14 18:04:49,567 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 4324 transitions. Word has length 250 [2021-12-14 18:04:49,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:04:49,569 INFO L470 AbstractCegarLoop]: Abstraction has 2961 states and 4324 transitions. [2021-12-14 18:04:49,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-14 18:04:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 4324 transitions. [2021-12-14 18:04:49,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-14 18:04:49,578 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:04:49,579 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:04:49,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:04:49,579 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:04:49,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:04:49,580 INFO L85 PathProgramCache]: Analyzing trace with hash 365621927, now seen corresponding path program 1 times [2021-12-14 18:04:49,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:04:49,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762326589] [2021-12-14 18:04:49,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:04:49,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:04:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:49,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:04:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:49,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:49,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:04:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:49,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:04:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:49,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:04:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:04:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:04:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:04:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:04:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:04:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:04:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:04:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:04:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:04:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:04:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:04:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:04:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:04:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:50,426 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-14 18:04:50,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:04:50,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762326589] [2021-12-14 18:04:50,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762326589] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:04:50,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:04:50,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:04:50,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102626007] [2021-12-14 18:04:50,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:04:50,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:04:50,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:04:50,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:04:50,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:04:50,432 INFO L87 Difference]: Start difference. First operand 2961 states and 4324 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-14 18:04:53,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-14 18:04:59,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []