./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-08_1a-drivers--video--fbdev--core--fb.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-08_1a-drivers--video--fbdev--core--fb.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 2bf66c918295559060a8e3ec892f4cbf4fc66cf4b9f3e9338e9b0a339b20bc2f --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:03:25,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:03:25,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:03:25,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:03:25,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:03:25,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:03:25,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:03:25,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:03:25,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:03:25,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:03:25,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:03:25,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:03:25,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:03:25,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:03:25,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:03:25,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:03:25,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:03:25,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:03:25,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:03:25,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:03:25,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:03:25,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:03:25,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:03:25,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:03:25,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:03:25,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:03:25,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:03:25,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:03:25,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:03:25,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:03:25,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:03:25,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:03:25,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:03:25,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:03:25,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:03:25,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:03:25,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:03:25,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:03:25,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:03:25,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:03:25,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:03:25,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:03:25,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:03:25,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:03:25,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:03:25,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:03:25,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:03:25,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:03:25,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:03:25,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:03:25,843 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:03:25,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:03:25,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:03:25,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:03:25,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:03:25,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:03:25,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:03:25,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:03:25,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:03:25,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:03:25,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:03:25,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:03:25,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:03:25,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:03:25,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:03:25,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:03:25,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:03:25,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:03:25,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:03:25,846 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:03:25,846 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:03:25,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:03:25,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:03:25,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf66c918295559060a8e3ec892f4cbf4fc66cf4b9f3e9338e9b0a339b20bc2f [2021-12-14 18:03:26,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:03:26,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:03:26,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:03:26,080 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:03:26,081 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:03:26,082 INFO L432 ainManager$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-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i [2021-12-14 18:03:26,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2067a3879/876863be081c4e4e970b3962f90f0f63/FLAG9337dccce [2021-12-14 18:03:26,803 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:03:26,804 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i [2021-12-14 18:03:26,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2067a3879/876863be081c4e4e970b3962f90f0f63/FLAG9337dccce [2021-12-14 18:03:27,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2067a3879/876863be081c4e4e970b3962f90f0f63 [2021-12-14 18:03:27,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:03:27,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:03:27,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:03:27,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:03:27,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:03:27,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:03:27" (1/1) ... [2021-12-14 18:03:27,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:27, skipping insertion in model container [2021-12-14 18:03:27,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:03:27" (1/1) ... [2021-12-14 18:03:27,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:03:27,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:03:29,687 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-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i[416114,416127] [2021-12-14 18:03:29,729 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-14 18:03:29,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:03:29,831 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:03:30,255 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-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i[416114,416127] [2021-12-14 18:03:30,259 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-14 18:03:30,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:03:30,421 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:03:30,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:30 WrapperNode [2021-12-14 18:03:30,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:03:30,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:03:30,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:03:30,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:03:30,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:30" (1/1) ... [2021-12-14 18:03:30,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:30" (1/1) ... [2021-12-14 18:03:30,949 INFO L137 Inliner]: procedures = 416, calls = 9044, calls flagged for inlining = 161, calls inlined = 152, statements flattened = 14316 [2021-12-14 18:03:30,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:03:30,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:03:30,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:03:30,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:03:30,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:30" (1/1) ... [2021-12-14 18:03:30,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:30" (1/1) ... [2021-12-14 18:03:31,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:30" (1/1) ... [2021-12-14 18:03:31,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:30" (1/1) ... [2021-12-14 18:03:31,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:30" (1/1) ... [2021-12-14 18:03:31,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:30" (1/1) ... [2021-12-14 18:03:31,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:30" (1/1) ... [2021-12-14 18:03:31,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:03:31,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:03:31,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:03:31,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:03:31,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:30" (1/1) ... [2021-12-14 18:03:31,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:03:31,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:03:31,456 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 18:03:31,480 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 18:03:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure fb_timings_vfreq [2021-12-14 18:03:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_timings_vfreq [2021-12-14 18:03:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-14 18:03:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure fb_create_modedb [2021-12-14 18:03:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_create_modedb [2021-12-14 18:03:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:03:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:03:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_mkwrite [2021-12-14 18:03:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_mkwrite [2021-12-14 18:03:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:03:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:03:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-14 18:03:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-14 18:03:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure fb_timings_dclk [2021-12-14 18:03:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_timings_dclk [2021-12-14 18:03:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_limits_block [2021-12-14 18:03:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_limits_block [2021-12-14 18:03:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_monitor_block [2021-12-14 18:03:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_monitor_block [2021-12-14 18:03:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-14 18:03:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:03:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:03:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:03:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure put_fb_info [2021-12-14 18:03:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure put_fb_info [2021-12-14 18:03:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2021-12-14 18:03:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2021-12-14 18:03:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_timing_block [2021-12-14 18:03:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_timing_block [2021-12-14 18:03:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:03:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure pm_vt_switch_required [2021-12-14 18:03:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_vt_switch_required [2021-12-14 18:03:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_ascii_block [2021-12-14 18:03:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_ascii_block [2021-12-14 18:03:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-14 18:03:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-14 18:03:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 18:03:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 18:03:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:03:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:03:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure fb_timings_hfreq [2021-12-14 18:03:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_timings_hfreq [2021-12-14 18:03:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_framebuffer [2021-12-14 18:03:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_framebuffer [2021-12-14 18:03:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_fault [2021-12-14 18:03:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_fault [2021-12-14 18:03:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure fb_seq_show [2021-12-14 18:03:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_seq_show [2021-12-14 18:03:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure fb_pan_display [2021-12-14 18:03:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_pan_display [2021-12-14 18:03:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure fb_be_math [2021-12-14 18:03:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_be_math [2021-12-14 18:03:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:03:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2021-12-14 18:03:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2021-12-14 18:03:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_vblank [2021-12-14 18:03:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_vblank [2021-12-14 18:03:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-14 18:03:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-14 18:03:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:03:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure fb_getput_cmap [2021-12-14 18:03:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_getput_cmap [2021-12-14 18:03:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:03:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure fb_mode_is_equal [2021-12-14 18:03:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_mode_is_equal [2021-12-14 18:03:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:03:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:03:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2021-12-14 18:03:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2021-12-14 18:03:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-14 18:03:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-14 18:03:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:03:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:03:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-14 18:03:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-14 18:03:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:03:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure fb_show_logo_line [2021-12-14 18:03:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_show_logo_line [2021-12-14 18:03:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 18:03:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 18:03:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2021-12-14 18:03:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2021-12-14 18:03:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:03:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:03:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:03:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:03:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:03:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:03:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:03:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode_cvt [2021-12-14 18:03:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode_cvt [2021-12-14 18:03:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure do_fb_ioctl [2021-12-14 18:03:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fb_ioctl [2021-12-14 18:03:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_logocmap [2021-12-14 18:03:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_logocmap [2021-12-14 18:03:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2021-12-14 18:03:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2021-12-14 18:03:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure fb_copy_cmap [2021-12-14 18:03:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_copy_cmap [2021-12-14 18:03:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-14 18:03:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-14 18:03:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure fb_notifier_call_chain [2021-12-14 18:03:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_notifier_call_chain [2021-12-14 18:03:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure edid_check_header [2021-12-14 18:03:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_check_header [2021-12-14 18:03:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_set_page_dirty [2021-12-14 18:03:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_set_page_dirty [2021-12-14 18:03:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-14 18:03:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-14 18:03:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure calc_mode_timings [2021-12-14 18:03:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_mode_timings [2021-12-14 18:03:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:03:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:03:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:03:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:03:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure fb_ioctl [2021-12-14 18:03:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_ioctl [2021-12-14 18:03:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-14 18:03:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-14 18:03:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:03:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:03:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:03:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:03:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-14 18:03:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-14 18:03:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure fb_write [2021-12-14 18:03:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_write [2021-12-14 18:03:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-14 18:03:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-14 18:03:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-14 18:03:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-14 18:03:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-14 18:03:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-14 18:03:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2021-12-14 18:03:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2021-12-14 18:03:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:03:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:03:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:03:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:03:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-14 18:03:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-14 18:03:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:03:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:03:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:03:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:03:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure edid_checksum [2021-12-14 18:03:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_checksum [2021-12-14 18:03:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure do_remove_conflicting_framebuffers [2021-12-14 18:03:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure do_remove_conflicting_framebuffers [2021-12-14 18:03:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure fb_release [2021-12-14 18:03:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_release [2021-12-14 18:03:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:03:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:03:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:03:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure get_fb_info [2021-12-14 18:03:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fb_info [2021-12-14 18:03:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2021-12-14 18:03:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2021-12-14 18:03:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:03:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_work [2021-12-14 18:03:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_work [2021-12-14 18:03:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2021-12-14 18:03:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2021-12-14 18:03:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-14 18:03:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-14 18:03:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2021-12-14 18:03:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2021-12-14 18:03:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:03:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_fsync [2021-12-14 18:03:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_fsync [2021-12-14 18:03:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:03:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:03:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-14 18:03:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-14 18:03:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure proc_fb_open [2021-12-14 18:03:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_fb_open [2021-12-14 18:03:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_serial_block [2021-12-14 18:03:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_serial_block [2021-12-14 18:03:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 18:03:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 18:03:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_fb_info [2021-12-14 18:03:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_fb_info [2021-12-14 18:03:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure get_std_timing [2021-12-14 18:03:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure get_std_timing [2021-12-14 18:03:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_cmap [2021-12-14 18:03:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_cmap [2021-12-14 18:03:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:03:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:03:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure file_fb_info [2021-12-14 18:03:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure file_fb_info [2021-12-14 18:03:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_page [2021-12-14 18:03:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_page [2021-12-14 18:03:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure fb_mmap [2021-12-14 18:03:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_mmap [2021-12-14 18:03:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_from_videomode [2021-12-14 18:03:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_from_videomode [2021-12-14 18:03:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2021-12-14 18:03:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2021-12-14 18:03:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure fb_compat_ioctl [2021-12-14 18:03:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_compat_ioctl [2021-12-14 18:03:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2021-12-14 18:03:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2021-12-14 18:03:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure lock_fb_info [2021-12-14 18:03:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_fb_info [2021-12-14 18:03:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:03:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:03:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:03:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:03:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure safe_shift [2021-12-14 18:03:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_shift [2021-12-14 18:03:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:03:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_open [2021-12-14 18:03:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_open [2021-12-14 18:03:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2021-12-14 18:03:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2021-12-14 18:03:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:03:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:03:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure fb_read [2021-12-14 18:03:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_read [2021-12-14 18:03:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:03:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:03:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-14 18:03:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-14 18:03:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 18:03:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 18:03:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure fb_open [2021-12-14 18:03:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_open [2021-12-14 18:03:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2021-12-14 18:03:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2021-12-14 18:03:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-14 18:03:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-14 18:03:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure fb_blank [2021-12-14 18:03:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_blank [2021-12-14 18:03:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-14 18:03:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-14 18:03:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-14 18:03:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-14 18:03:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 18:03:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 18:03:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_fscreeninfo [2021-12-14 18:03:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_fscreeninfo [2021-12-14 18:03:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure fix_edid [2021-12-14 18:03:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_edid [2021-12-14 18:03:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure check_edid [2021-12-14 18:03:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure check_edid [2021-12-14 18:03:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap_gfp [2021-12-14 18:03:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap_gfp [2021-12-14 18:03:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:03:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:03:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_hblank_by_hfreq [2021-12-14 18:03:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_hblank_by_hfreq [2021-12-14 18:03:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure get_detailed_timing [2021-12-14 18:03:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure get_detailed_timing [2021-12-14 18:03:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure fb_seq_stop [2021-12-14 18:03:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_seq_stop [2021-12-14 18:03:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:03:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 18:03:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 18:03:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure fb_show_logo [2021-12-14 18:03:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_show_logo [2021-12-14 18:03:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure copy_string [2021-12-14 18:03:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_string [2021-12-14 18:03:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-14 18:03:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-14 18:03:32,289 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:03:32,292 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:03:47,486 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:04:35,304 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:04:35,323 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:04:35,324 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:04:35,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:04:35 BoogieIcfgContainer [2021-12-14 18:04:35,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:04:35,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:04:35,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:04:35,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:04:35,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:03:27" (1/3) ... [2021-12-14 18:04:35,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1088319c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:04:35, skipping insertion in model container [2021-12-14 18:04:35,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:30" (2/3) ... [2021-12-14 18:04:35,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1088319c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:04:35, skipping insertion in model container [2021-12-14 18:04:35,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:04:35" (3/3) ... [2021-12-14 18:04:35,335 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i [2021-12-14 18:04:35,338 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:04:35,339 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:04:35,379 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:04:35,384 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 18:04:35,385 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:04:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 2639 states, 2035 states have (on average 1.4368550368550368) internal successors, (2924), 2078 states have internal predecessors, (2924), 481 states have call successors, (481), 122 states have call predecessors, (481), 121 states have return successors, (474), 463 states have call predecessors, (474), 474 states have call successors, (474) [2021-12-14 18:04:35,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-12-14 18:04:35,454 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:04:35,455 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:04:35,456 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:04:35,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:04:35,460 INFO L85 PathProgramCache]: Analyzing trace with hash -676214012, now seen corresponding path program 1 times [2021-12-14 18:04:35,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:04:35,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881732082] [2021-12-14 18:04:35,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:04:35,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:04:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:04:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:04:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:04:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:04:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:04:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:04:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:04:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-14 18:04:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:37,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:37,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:04:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:37,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat