./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--gpu--drm--ast--ast.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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--gpu--drm--ast--ast.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 5280d555a6b852b15aa6f2a52d5ff0e2fc9cc40b4793f53953ed35d69afcf0b0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:51:07,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:51:07,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:51:07,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:51:07,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:51:07,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:51:07,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:51:07,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:51:07,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:51:07,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:51:07,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:51:07,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:51:07,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:51:07,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:51:07,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:51:07,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:51:07,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:51:07,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:51:07,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:51:07,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:51:07,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:51:07,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:51:07,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:51:07,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:51:07,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:51:07,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:51:07,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:51:07,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:51:07,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:51:07,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:51:07,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:51:07,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:51:07,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:51:07,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:51:07,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:51:07,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:51:07,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:51:07,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:51:07,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:51:07,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:51:07,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:51:07,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:51:07,951 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:51:07,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:51:07,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:51:07,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:51:07,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:51:07,954 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:51:07,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:51:07,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:51:07,954 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:51:07,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:51:07,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:51:07,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:51:07,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:51:07,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:51:07,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:51:07,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:51:07,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:51:07,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:51:07,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:51:07,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:51:07,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:51:07,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:51:07,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:51:07,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:51:07,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:51:07,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:51:07,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:51:07,959 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:51:07,959 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:51:07,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:51:07,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:51:07,959 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5280d555a6b852b15aa6f2a52d5ff0e2fc9cc40b4793f53953ed35d69afcf0b0 [2021-12-22 14:51:08,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:51:08,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:51:08,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:51:08,160 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:51:08,161 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:51:08,162 INFO L432 ainManager$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--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2021-12-22 14:51:08,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c2a689d5/4e44a3418f2543ae9322cbdb4407dde9/FLAGc3535edfa [2021-12-22 14:51:08,906 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:51:08,907 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--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2021-12-22 14:51:08,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c2a689d5/4e44a3418f2543ae9322cbdb4407dde9/FLAGc3535edfa [2021-12-22 14:51:09,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c2a689d5/4e44a3418f2543ae9322cbdb4407dde9 [2021-12-22 14:51:09,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:51:09,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:51:09,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:51:09,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:51:09,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:51:09,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:51:09" (1/1) ... [2021-12-22 14:51:09,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b37d2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:09, skipping insertion in model container [2021-12-22 14:51:09,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:51:09" (1/1) ... [2021-12-22 14:51:09,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:51:09,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:51:11,823 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--gpu--drm--ast--ast.ko-entry_point.cil.out.i[401063,401076] [2021-12-22 14:51:11,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:51:11,937 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:51:12,289 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--gpu--drm--ast--ast.ko-entry_point.cil.out.i[401063,401076] [2021-12-22 14:51:12,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:51:12,511 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:51:12,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:12 WrapperNode [2021-12-22 14:51:12,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:51:12,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:51:12,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:51:12,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:51:12,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:12" (1/1) ... [2021-12-22 14:51:12,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:12" (1/1) ... [2021-12-22 14:51:12,932 INFO L137 Inliner]: procedures = 481, calls = 4400, calls flagged for inlining = 315, calls inlined = 310, statements flattened = 11829 [2021-12-22 14:51:12,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:51:12,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:51:12,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:51:12,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:51:12,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:12" (1/1) ... [2021-12-22 14:51:12,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:12" (1/1) ... [2021-12-22 14:51:12,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:12" (1/1) ... [2021-12-22 14:51:12,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:12" (1/1) ... [2021-12-22 14:51:13,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:12" (1/1) ... [2021-12-22 14:51:13,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:12" (1/1) ... [2021-12-22 14:51:13,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:12" (1/1) ... [2021-12-22 14:51:13,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:51:13,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:51:13,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:51:13,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:51:13,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:12" (1/1) ... [2021-12-22 14:51:13,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:51:13,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:51:13,274 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) [2021-12-22 14:51:13,280 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 [2021-12-22 14:51:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2021-12-22 14:51:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2021-12-22 14:51:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure wait_nack [2021-12-22 14:51:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_nack [2021-12-22 14:51:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ack [2021-12-22 14:51:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ack [2021-12-22 14:51:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 14:51:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 14:51:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure clear_cmd_trigger [2021-12-22 14:51:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_cmd_trigger [2021-12-22 14:51:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:51:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:51:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure ast_init_dvo [2021-12-22 14:51:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_init_dvo [2021-12-22 14:51:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2021-12-22 14:51:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2021-12-22 14:51:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2021-12-22 14:51:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2021-12-22 14:51:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2021-12-22 14:51:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2021-12-22 14:51:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:51:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:51:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_dpms [2021-12-22 14:51:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_dpms [2021-12-22 14:51:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_dp501_video_output [2021-12-22 14:51:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_dp501_video_output [2021-12-22 14:51:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2021-12-22 14:51:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2021-12-22 14:51:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2021-12-22 14:51:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2021-12-22 14:51:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 14:51:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 14:51:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-22 14:51:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-22 14:51:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:51:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:51:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2021-12-22 14:51:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2021-12-22 14:51:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_fixup [2021-12-22 14:51:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_fixup [2021-12-22 14:51:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:51:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2021-12-22 14:51:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2021-12-22 14:51:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2021-12-22 14:51:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2021-12-22 14:51:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_vga [2021-12-22 14:51:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_vga [2021-12-22 14:51:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:51:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:51:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2021-12-22 14:51:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2021-12-22 14:51:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2021-12-22 14:51:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2021-12-22 14:51:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2021-12-22 14:51:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2021-12-22 14:51:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2021-12-22 14:51:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2021-12-22 14:51:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2021-12-22 14:51:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2021-12-22 14:51:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:51:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mindwm [2021-12-22 14:51:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mindwm [2021-12-22 14:51:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2021-12-22 14:51:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2021-12-22 14:51:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2021-12-22 14:51:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2021-12-22 14:51:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:51:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2021-12-22 14:51:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2021-12-22 14:51:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure send_ack [2021-12-22 14:51:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure send_ack [2021-12-22 14:51:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2021-12-22 14:51:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2021-12-22 14:51:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:51:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2021-12-22 14:51:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2021-12-22 14:51:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-22 14:51:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-22 14:51:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_base [2021-12-22 14:51:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_base [2021-12-22 14:51:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2021-12-22 14:51:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2021-12-22 14:51:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 14:51:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 14:51:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:51:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure ast_post_gpu [2021-12-22 14:51:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_post_gpu [2021-12-22 14:51:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:51:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_gamma_set [2021-12-22 14:51:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_gamma_set [2021-12-22 14:51:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:51:13,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:51:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2021-12-22 14:51:13,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2021-12-22 14:51:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:51:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:51:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:51:13,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:51:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2021-12-22 14:51:13,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2021-12-22 14:51:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_set [2021-12-22 14:51:13,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_set [2021-12-22 14:51:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2021-12-22 14:51:13,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2021-12-22 14:51:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2021-12-22 14:51:13,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2021-12-22 14:51:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2021-12-22 14:51:13,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2021-12-22 14:51:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:51:13,377 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:51:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2021-12-22 14:51:13,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2021-12-22 14:51:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 14:51:13,378 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 14:51:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:51:13,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:51:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-22 14:51:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:51:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:51:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:51:13,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:51:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure send_nack [2021-12-22 14:51:13,380 INFO L138 BoogieDeclarations]: Found implementation of procedure send_nack [2021-12-22 14:51:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_mmio [2021-12-22 14:51:13,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_mmio [2021-12-22 14:51:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_detect [2021-12-22 14:51:13,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_detect [2021-12-22 14:51:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 14:51:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2021-12-22 14:51:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2021-12-22 14:51:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2021-12-22 14:51:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2021-12-22 14:51:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2021-12-22 14:51:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2021-12-22 14:51:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2021-12-22 14:51:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2021-12-22 14:51:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:51:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:51:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:51:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:51:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2021-12-22 14:51:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2021-12-22 14:51:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 14:51:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 14:51:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:51:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:51:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2021-12-22 14:51:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2021-12-22 14:51:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mmap [2021-12-22 14:51:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mmap [2021-12-22 14:51:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-22 14:51:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-22 14:51:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:51:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2021-12-22 14:51:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-12-22 14:51:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:51:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2021-12-22 14:51:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2021-12-22 14:51:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2021-12-22 14:51:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2021-12-22 14:51:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:51:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2021-12-22 14:51:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2021-12-22 14:51:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:51:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:51:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 14:51:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 14:51:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2021-12-22 14:51:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2021-12-22 14:51:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2021-12-22 14:51:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2021-12-22 14:51:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2021-12-22 14:51:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2021-12-22 14:51:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2021-12-22 14:51:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2021-12-22 14:51:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2021-12-22 14:51:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2021-12-22 14:51:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2021-12-22 14:51:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2021-12-22 14:51:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2021-12-22 14:51:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2021-12-22 14:51:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2021-12-22 14:51:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2021-12-22 14:51:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2021-12-22 14:51:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2021-12-22 14:51:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2021-12-22 14:51:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2021-12-22 14:51:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2021-12-22 14:51:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2021-12-22 14:51:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2021-12-22 14:51:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2021-12-22 14:51:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set [2021-12-22 14:51:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set [2021-12-22 14:51:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2021-12-22 14:51:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2021-12-22 14:51:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo [2021-12-22 14:51:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo [2021-12-22 14:51:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2021-12-22 14:51:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2021-12-22 14:51:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:51:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:51:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:51:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure ast_moutdwm [2021-12-22 14:51:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_moutdwm [2021-12-22 14:51:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2021-12-22 14:51:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2021-12-22 14:51:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2021-12-22 14:51:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2021-12-22 14:51:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:51:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:51:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2021-12-22 14:51:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2021-12-22 14:51:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 14:51:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 14:51:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2021-12-22 14:51:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2021-12-22 14:51:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2021-12-22 14:51:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2021-12-22 14:51:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2021-12-22 14:51:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2021-12-22 14:51:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-22 14:51:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-22 14:51:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_move [2021-12-22 14:51:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_move [2021-12-22 14:51:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-22 14:51:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-22 14:51:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2021-12-22 14:51:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2021-12-22 14:51:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2021-12-22 14:51:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2021-12-22 14:51:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-22 14:51:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-22 14:51:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2021-12-22 14:51:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2021-12-22 14:51:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2021-12-22 14:51:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2021-12-22 14:51:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2021-12-22 14:51:13,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2021-12-22 14:51:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:51:14,170 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:51:14,173 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:51:14,301 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:51:26,520 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:51:26,547 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:51:26,547 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 14:51:26,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:51:26 BoogieIcfgContainer [2021-12-22 14:51:26,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:51:26,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:51:26,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:51:26,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:51:26,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:51:09" (1/3) ... [2021-12-22 14:51:26,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b18ac06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:51:26, skipping insertion in model container [2021-12-22 14:51:26,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:12" (2/3) ... [2021-12-22 14:51:26,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b18ac06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:51:26, skipping insertion in model container [2021-12-22 14:51:26,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:51:26" (3/3) ... [2021-12-22 14:51:26,564 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2021-12-22 14:51:26,572 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:51:26,573 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:51:26,624 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:51:26,629 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 [2021-12-22 14:51:26,629 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:51:26,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 3395 states, 2401 states have (on average 1.4202415660141607) internal successors, (3410), 2482 states have internal predecessors, (3410), 884 states have call successors, (884), 109 states have call predecessors, (884), 108 states have return successors, (866), 841 states have call predecessors, (866), 866 states have call successors, (866) [2021-12-22 14:51:26,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-22 14:51:26,696 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:51:26,697 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-22 14:51:26,697 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:51:26,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:51:26,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1039152549, now seen corresponding path program 1 times [2021-12-22 14:51:26,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:51:26,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190697661] [2021-12-22 14:51:26,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:51:26,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:51:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:51:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:51:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:51:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:51:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:51:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:51:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:51:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 14:51:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 14:51:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 14:51:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 14:51:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 14:51:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 14:51:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 14:51:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 14:51:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-22 14:51:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 14:51:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2021-12-22 14:51:27,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:51:27,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190697661] [2021-12-22 14:51:27,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190697661] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:51:27,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:51:27,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:51:27,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125316283] [2021-12-22 14:51:27,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:51:27,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:51:27,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:51:27,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:51:27,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:51:27,725 INFO L87 Difference]: Start difference. First operand has 3395 states, 2401 states have (on average 1.4202415660141607) internal successors, (3410), 2482 states have internal predecessors, (3410), 884 states have call successors, (884), 109 states have call predecessors, (884), 108 states have return successors, (866), 841 states have call predecessors, (866), 866 states have call successors, (866) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 14:51:30,117 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 [] [2021-12-22 14:51:34,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:51:36,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:51:39,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:51:41,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:51:54,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:52:06,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:52:06,253 INFO L93 Difference]: Finished difference Result 7122 states and 11008 transitions. [2021-12-22 14:52:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 14:52:06,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 218 [2021-12-22 14:52:06,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:52:06,420 INFO L225 Difference]: With dead ends: 7122 [2021-12-22 14:52:06,421 INFO L226 Difference]: Without dead ends: 3706 [2021-12-22 14:52:06,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:52:06,444 INFO L933 BasicCegarLoop]: 5001 mSDtfsCounter, 1577 mSDsluCounter, 6948 mSDsCounter, 0 mSdLazyCounter, 4171 mSolverCounterSat, 2247 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1653 SdHoareTripleChecker+Valid, 11949 SdHoareTripleChecker+Invalid, 6422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2247 IncrementalHoareTripleChecker+Valid, 4171 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:52:06,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1653 Valid, 11949 Invalid, 6422 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2247 Valid, 4171 Invalid, 4 Unknown, 0 Unchecked, 38.0s Time] [2021-12-22 14:52:06,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3706 states. [2021-12-22 14:52:06,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3706 to 3369. [2021-12-22 14:52:06,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3369 states, 2395 states have (on average 1.4116910229645094) internal successors, (3381), 2456 states have internal predecessors, (3381), 866 states have call successors, (866), 108 states have call predecessors, (866), 107 states have return successors, (865), 840 states have call predecessors, (865), 865 states have call successors, (865) [2021-12-22 14:52:06,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 5112 transitions. [2021-12-22 14:52:06,681 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 5112 transitions. Word has length 218 [2021-12-22 14:52:06,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:52:06,682 INFO L470 AbstractCegarLoop]: Abstraction has 3369 states and 5112 transitions. [2021-12-22 14:52:06,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 14:52:06,683 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 5112 transitions. [2021-12-22 14:52:06,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-22 14:52:06,692 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:52:06,694 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-22 14:52:06,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:52:06,695 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:52:06,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:52:06,695 INFO L85 PathProgramCache]: Analyzing trace with hash -843936201, now seen corresponding path program 1 times [2021-12-22 14:52:06,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:52:06,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474251558] [2021-12-22 14:52:06,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:52:06,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:52:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:52:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:52:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:52:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:52:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:52:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:52:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:52:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:52:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:52:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:52:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:52:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:52:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:52:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:52:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:52:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:52:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:52:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:52:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:52:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:52:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:52:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 14:52:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:52:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:52:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 14:52:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:52:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:52:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 14:52:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 14:52:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 14:52:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 14:52:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 14:52:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 14:52:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-22 14:52:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 14:52:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:52:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2021-12-22 14:52:07,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:52:07,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474251558] [2021-12-22 14:52:07,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474251558] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:52:07,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:52:07,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:52:07,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227838359] [2021-12-22 14:52:07,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:52:07,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:52:07,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:52:07,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:52:07,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:52:07,474 INFO L87 Difference]: Start difference. First operand 3369 states and 5112 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-12-22 14:52:13,826 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 []