./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--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 7e3ac2fcc053a51503ae18580c98d5f9812f019f35610d9038863980fd24a66a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:31:38,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:31:38,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:31:38,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:31:38,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:31:38,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:31:38,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:31:38,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:31:38,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:31:38,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:31:38,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:31:38,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:31:38,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:31:38,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:31:38,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:31:38,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:31:38,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:31:38,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:31:38,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:31:38,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:31:38,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:31:38,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:31:38,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:31:38,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:31:38,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:31:38,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:31:38,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:31:38,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:31:38,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:31:38,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:31:38,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:31:38,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:31:38,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:31:38,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:31:38,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:31:38,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:31:38,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:31:38,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:31:38,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:31:38,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:31:38,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:31:38,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:31:38,618 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:31:38,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:31:38,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:31:38,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:31:38,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:31:38,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:31:38,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:31:38,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:31:38,623 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:31:38,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:31:38,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:31:38,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:31:38,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:31:38,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:31:38,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:31:38,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:31:38,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:31:38,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:31:38,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:31:38,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:31:38,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:31:38,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:31:38,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:31:38,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:31:38,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:31:38,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:31:38,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:31:38,626 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:31:38,627 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:31:38,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:31:38,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:31:38,627 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e3ac2fcc053a51503ae18580c98d5f9812f019f35610d9038863980fd24a66a [2021-12-21 16:31:38,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:31:38,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:31:38,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:31:38,835 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:31:38,853 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:31:38,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2021-12-21 16:31:38,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ef367bd/59612061d66a42849985570182d8b0bb/FLAG5eb7f7abd [2021-12-21 16:31:39,676 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:31:39,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2021-12-21 16:31:39,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ef367bd/59612061d66a42849985570182d8b0bb/FLAG5eb7f7abd [2021-12-21 16:31:39,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ef367bd/59612061d66a42849985570182d8b0bb [2021-12-21 16:31:39,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:31:39,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:31:39,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:31:39,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:31:39,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:31:39,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:31:39" (1/1) ... [2021-12-21 16:31:39,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aee9d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:39, skipping insertion in model container [2021-12-21 16:31:39,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:31:39" (1/1) ... [2021-12-21 16:31:39,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:31:40,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:31:43,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i[423705,423718] [2021-12-21 16:31:43,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:31:43,736 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:31:44,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i[423705,423718] [2021-12-21 16:31:44,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:31:44,431 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:31:44,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:44 WrapperNode [2021-12-21 16:31:44,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:31:44,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:31:44,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:31:44,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:31:44,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:44" (1/1) ... [2021-12-21 16:31:44,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:44" (1/1) ... [2021-12-21 16:31:44,915 INFO L137 Inliner]: procedures = 649, calls = 4702, calls flagged for inlining = 324, calls inlined = 315, statements flattened = 11813 [2021-12-21 16:31:44,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:31:44,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:31:44,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:31:44,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:31:44,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:44" (1/1) ... [2021-12-21 16:31:44,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:44" (1/1) ... [2021-12-21 16:31:44,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:44" (1/1) ... [2021-12-21 16:31:44,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:44" (1/1) ... [2021-12-21 16:31:45,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:44" (1/1) ... [2021-12-21 16:31:45,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:44" (1/1) ... [2021-12-21 16:31:45,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:44" (1/1) ... [2021-12-21 16:31:45,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:31:45,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:31:45,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:31:45,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:31:45,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:44" (1/1) ... [2021-12-21 16:31:45,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:31:45,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:31:45,417 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) [2021-12-21 16:31:45,492 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 [2021-12-21 16:31:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2021-12-21 16:31:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2021-12-21 16:31:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure wait_nack [2021-12-21 16:31:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_nack [2021-12-21 16:31:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ack [2021-12-21 16:31:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ack [2021-12-21 16:31:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:31:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:31:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure clear_cmd_trigger [2021-12-21 16:31:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_cmd_trigger [2021-12-21 16:31:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:31:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:31:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure ast_init_dvo [2021-12-21 16:31:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_init_dvo [2021-12-21 16:31:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2021-12-21 16:31:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2021-12-21 16:31:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2021-12-21 16:31:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2021-12-21 16:31:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2021-12-21 16:31:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2021-12-21 16:31:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:31:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:31:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2021-12-21 16:31:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2021-12-21 16:31:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_base_of_ww_mutex [2021-12-21 16:31:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_base_of_ww_mutex [2021-12-21 16:31:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_dpms [2021-12-21 16:31:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_dpms [2021-12-21 16:31:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_dp501_video_output [2021-12-21 16:31:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_dp501_video_output [2021-12-21 16:31:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2021-12-21 16:31:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2021-12-21 16:31:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2021-12-21 16:31:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2021-12-21 16:31:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2021-12-21 16:31:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2021-12-21 16:31:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 16:31:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 16:31:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:31:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:31:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2021-12-21 16:31:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2021-12-21 16:31:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_fixup [2021-12-21 16:31:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_fixup [2021-12-21 16:31:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:31:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2021-12-21 16:31:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2021-12-21 16:31:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2021-12-21 16:31:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2021-12-21 16:31:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_vga [2021-12-21 16:31:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_vga [2021-12-21 16:31:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:31:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:31:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2021-12-21 16:31:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2021-12-21 16:31:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2021-12-21 16:31:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2021-12-21 16:31:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2021-12-21 16:31:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2021-12-21 16:31:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2021-12-21 16:31:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2021-12-21 16:31:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2021-12-21 16:31:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2021-12-21 16:31:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2021-12-21 16:31:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2021-12-21 16:31:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:31:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mindwm [2021-12-21 16:31:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mindwm [2021-12-21 16:31:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2021-12-21 16:31:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2021-12-21 16:31:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2021-12-21 16:31:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2021-12-21 16:31:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:31:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2021-12-21 16:31:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2021-12-21 16:31:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure send_ack [2021-12-21 16:31:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure send_ack [2021-12-21 16:31:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2021-12-21 16:31:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2021-12-21 16:31:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:31:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2021-12-21 16:31:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2021-12-21 16:31:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-21 16:31:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-21 16:31:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_base [2021-12-21 16:31:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_base [2021-12-21 16:31:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2021-12-21 16:31:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2021-12-21 16:31:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:31:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:31:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:31:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ast_post_gpu [2021-12-21 16:31:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_post_gpu [2021-12-21 16:31:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:31:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_gamma_set [2021-12-21 16:31:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_gamma_set [2021-12-21 16:31:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2021-12-21 16:31:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2021-12-21 16:31:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 16:31:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 16:31:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:31:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:31:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2021-12-21 16:31:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2021-12-21 16:31:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:31:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:31:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2021-12-21 16:31:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2021-12-21 16:31:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_set [2021-12-21 16:31:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_set [2021-12-21 16:31:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2021-12-21 16:31:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2021-12-21 16:31:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2021-12-21 16:31:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2021-12-21 16:31:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2021-12-21 16:31:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2021-12-21 16:31:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:31:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:31:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2021-12-21 16:31:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2021-12-21 16:31:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-21 16:31:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-21 16:31:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:31:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:31:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:31:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:31:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:31:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:31:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure send_nack [2021-12-21 16:31:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure send_nack [2021-12-21 16:31:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_mmio [2021-12-21 16:31:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_mmio [2021-12-21 16:31:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_detect [2021-12-21 16:31:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_detect [2021-12-21 16:31:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-21 16:31:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2021-12-21 16:31:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2021-12-21 16:31:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2021-12-21 16:31:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2021-12-21 16:31:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_base_of_ww_mutex [2021-12-21 16:31:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_base_of_ww_mutex [2021-12-21 16:31:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-21 16:31:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-21 16:31:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2021-12-21 16:31:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2021-12-21 16:31:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2021-12-21 16:31:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2021-12-21 16:31:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:31:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:31:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:31:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:31:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2021-12-21 16:31:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2021-12-21 16:31:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-21 16:31:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-21 16:31:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:31:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:31:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2021-12-21 16:31:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2021-12-21 16:31:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mmap [2021-12-21 16:31:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mmap [2021-12-21 16:31:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-21 16:31:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-21 16:31:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-21 16:31:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-21 16:31:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:31:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2021-12-21 16:31:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2021-12-21 16:31:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_mutex_54 [2021-12-21 16:31:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_mutex_54 [2021-12-21 16:31:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-12-21 16:31:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2021-12-21 16:31:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2021-12-21 16:31:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:31:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2021-12-21 16:31:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2021-12-21 16:31:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-21 16:31:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-21 16:31:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2021-12-21 16:31:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2021-12-21 16:31:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2021-12-21 16:31:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2021-12-21 16:31:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:31:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2021-12-21 16:31:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2021-12-21 16:31:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:31:45,553 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:31:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2021-12-21 16:31:45,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2021-12-21 16:31:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2021-12-21 16:31:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2021-12-21 16:31:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2021-12-21 16:31:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2021-12-21 16:31:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2021-12-21 16:31:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2021-12-21 16:31:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2021-12-21 16:31:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2021-12-21 16:31:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2021-12-21 16:31:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2021-12-21 16:31:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2021-12-21 16:31:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2021-12-21 16:31:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2021-12-21 16:31:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2021-12-21 16:31:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2021-12-21 16:31:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2021-12-21 16:31:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2021-12-21 16:31:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2021-12-21 16:31:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2021-12-21 16:31:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2021-12-21 16:31:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set [2021-12-21 16:31:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set [2021-12-21 16:31:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2021-12-21 16:31:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2021-12-21 16:31:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo [2021-12-21 16:31:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo [2021-12-21 16:31:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:31:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:31:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:31:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure ast_moutdwm [2021-12-21 16:31:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_moutdwm [2021-12-21 16:31:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2021-12-21 16:31:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2021-12-21 16:31:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2021-12-21 16:31:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2021-12-21 16:31:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:31:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:31:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2021-12-21 16:31:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2021-12-21 16:31:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:31:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:31:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2021-12-21 16:31:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2021-12-21 16:31:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2021-12-21 16:31:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2021-12-21 16:31:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2021-12-21 16:31:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2021-12-21 16:31:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-21 16:31:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-21 16:31:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_move [2021-12-21 16:31:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_move [2021-12-21 16:31:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-21 16:31:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-21 16:31:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2021-12-21 16:31:45,571 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2021-12-21 16:31:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2021-12-21 16:31:45,571 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2021-12-21 16:31:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-21 16:31:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-21 16:31:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2021-12-21 16:31:45,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2021-12-21 16:31:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2021-12-21 16:31:45,575 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2021-12-21 16:31:45,575 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2021-12-21 16:31:45,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2021-12-21 16:31:45,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:31:46,586 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:31:46,589 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:31:46,732 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:31:56,466 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:31:56,485 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:31:56,485 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 16:31:56,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:31:56 BoogieIcfgContainer [2021-12-21 16:31:56,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:31:56,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:31:56,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:31:56,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:31:56,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:31:39" (1/3) ... [2021-12-21 16:31:56,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae6b811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:31:56, skipping insertion in model container [2021-12-21 16:31:56,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:44" (2/3) ... [2021-12-21 16:31:56,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae6b811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:31:56, skipping insertion in model container [2021-12-21 16:31:56,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:31:56" (3/3) ... [2021-12-21 16:31:56,496 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2021-12-21 16:31:56,500 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:31:56,500 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:31:56,554 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:31:56,562 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 [2021-12-21 16:31:56,562 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:31:56,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 3427 states, 2417 states have (on average 1.419528340918494) internal successors, (3431), 2508 states have internal predecessors, (3431), 891 states have call successors, (891), 118 states have call predecessors, (891), 117 states have return successors, (873), 850 states have call predecessors, (873), 873 states have call successors, (873) [2021-12-21 16:31:56,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-21 16:31:56,636 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:31:56,637 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] [2021-12-21 16:31:56,637 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:31:56,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:31:56,641 INFO L85 PathProgramCache]: Analyzing trace with hash 179383820, now seen corresponding path program 1 times [2021-12-21 16:31:56,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:31:56,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36964511] [2021-12-21 16:31:56,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:31:56,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:31:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:31:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:31:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:31:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:31:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:31:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:31:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:31:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:31:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:31:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:31:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:31:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:31:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:31:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:31:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:31:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:31:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:31:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:31:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:31:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:31:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:31:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:31:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:31:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:31:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:31:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:31:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:31:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:31:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 16:31:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-21 16:31:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 16:31:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-21 16:31:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 16:31:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-21 16:31:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-21 16:31:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:31:57,792 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2021-12-21 16:31:57,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:31:57,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36964511] [2021-12-21 16:31:57,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36964511] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:31:57,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:31:57,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:31:57,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704192884] [2021-12-21 16:31:57,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:31:57,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:31:57,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:31:57,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:31:57,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:31:57,828 INFO L87 Difference]: Start difference. First operand has 3427 states, 2417 states have (on average 1.419528340918494) internal successors, (3431), 2508 states have internal predecessors, (3431), 891 states have call successors, (891), 118 states have call predecessors, (891), 117 states have return successors, (873), 850 states have call predecessors, (873), 873 states have call successors, (873) 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) [2021-12-21 16:32:01,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:32:03,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:32:05,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:32:11,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:32:18,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:32:18,257 INFO L93 Difference]: Finished difference Result 7137 states and 11032 transitions. [2021-12-21 16:32:18,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:32:18,259 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 [2021-12-21 16:32:18,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:32:18,297 INFO L225 Difference]: With dead ends: 7137 [2021-12-21 16:32:18,297 INFO L226 Difference]: Without dead ends: 3689 [2021-12-21 16:32:18,320 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 [2021-12-21 16:32:18,322 INFO L933 BasicCegarLoop]: 5033 mSDtfsCounter, 1862 mSDsluCounter, 4715 mSDsCounter, 0 mSdLazyCounter, 2930 mSolverCounterSat, 2294 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1932 SdHoareTripleChecker+Valid, 9748 SdHoareTripleChecker+Invalid, 5226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2294 IncrementalHoareTripleChecker+Valid, 2930 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2021-12-21 16:32:18,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1932 Valid, 9748 Invalid, 5226 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2294 Valid, 2930 Invalid, 2 Unknown, 0 Unchecked, 19.9s Time] [2021-12-21 16:32:18,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2021-12-21 16:32:18,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3401. [2021-12-21 16:32:18,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3401 states, 2411 states have (on average 1.4110327664869349) internal successors, (3402), 2482 states have internal predecessors, (3402), 873 states have call successors, (873), 117 states have call predecessors, (873), 116 states have return successors, (861), 838 states have call predecessors, (861), 861 states have call successors, (861) [2021-12-21 16:32:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 3401 states and 5136 transitions. [2021-12-21 16:32:18,672 INFO L78 Accepts]: Start accepts. Automaton has 3401 states and 5136 transitions. Word has length 218 [2021-12-21 16:32:18,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:32:18,673 INFO L470 AbstractCegarLoop]: Abstraction has 3401 states and 5136 transitions. [2021-12-21 16:32:18,673 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) [2021-12-21 16:32:18,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3401 states and 5136 transitions. [2021-12-21 16:32:18,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-21 16:32:18,681 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:32:18,681 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] [2021-12-21 16:32:18,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:32:18,682 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:32:18,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:32:18,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1703704930, now seen corresponding path program 1 times [2021-12-21 16:32:18,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:32:18,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441414384] [2021-12-21 16:32:18,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:32:18,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:32:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:32:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:32:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:32:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:32:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:32:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:32:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:32:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:32:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:32:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:32:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 16:32:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-21 16:32:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 16:32:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-21 16:32:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 16:32:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-21 16:32:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-21 16:32:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,463 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2021-12-21 16:32:19,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:32:19,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441414384] [2021-12-21 16:32:19,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441414384] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:32:19,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:32:19,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:32:19,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628566290] [2021-12-21 16:32:19,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:32:19,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:32:19,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:32:19,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:32:19,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:32:19,467 INFO L87 Difference]: Start difference. First operand 3401 states and 5136 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) [2021-12-21 16:32:24,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:32:28,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-21 16:32:38,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []