./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:56:54,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:56:54,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:56:54,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:56:54,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:56:54,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:56:54,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:56:54,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:56:54,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:56:54,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:56:54,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:56:54,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:56:54,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:56:54,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:56:54,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:56:54,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:56:54,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:56:54,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:56:54,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:56:54,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:56:54,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:56:54,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:56:54,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:56:54,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:56:54,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:56:54,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:56:54,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:56:54,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:56:54,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:56:54,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:56:54,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:56:54,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:56:54,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:56:54,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:56:54,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:56:54,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:56:54,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:56:54,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:56:54,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:56:54,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:56:54,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:56:54,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:56:54,362 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:56:54,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:56:54,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:56:54,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:56:54,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:56:54,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:56:54,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:56:54,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:56:54,365 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:56:54,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:56:54,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:56:54,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:56:54,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:56:54,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:56:54,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:56:54,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:56:54,367 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:56:54,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:56:54,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:56:54,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:56:54,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:56:54,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:56:54,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:56:54,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:56:54,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:56:54,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:56:54,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:56:54,369 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:56:54,369 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:56:54,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:56:54,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:56:54,370 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5280d555a6b852b15aa6f2a52d5ff0e2fc9cc40b4793f53953ed35d69afcf0b0 [2021-12-14 17:56:54,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:56:54,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:56:54,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:56:54,634 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:56:54,636 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:56:54,637 INFO L432 ainManager$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 [2021-12-14 17:56:54,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48e82e114/81d8a8a24b894971ae1840f24f387961/FLAGb5bb56965 [2021-12-14 17:56:55,536 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:56:55,537 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 [2021-12-14 17:56:55,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48e82e114/81d8a8a24b894971ae1840f24f387961/FLAGb5bb56965 [2021-12-14 17:56:55,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48e82e114/81d8a8a24b894971ae1840f24f387961 [2021-12-14 17:56:55,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:56:55,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:56:55,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:56:55,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:56:55,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:56:55,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:56:55" (1/1) ... [2021-12-14 17:56:55,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddce625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:55, skipping insertion in model container [2021-12-14 17:56:55,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:56:55" (1/1) ... [2021-12-14 17:56:55,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:56:55,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:56:59,360 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] [2021-12-14 17:56:59,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:56:59,526 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:56:59,961 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] [2021-12-14 17:56:59,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:57:00,240 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:57:00,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:00 WrapperNode [2021-12-14 17:57:00,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:57:00,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:57:00,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:57:00,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:57:00,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:00" (1/1) ... [2021-12-14 17:57:00,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:00" (1/1) ... [2021-12-14 17:57:00,683 INFO L137 Inliner]: procedures = 481, calls = 4400, calls flagged for inlining = 315, calls inlined = 310, statements flattened = 11829 [2021-12-14 17:57:00,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:57:00,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:57:00,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:57:00,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:57:00,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:00" (1/1) ... [2021-12-14 17:57:00,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:00" (1/1) ... [2021-12-14 17:57:00,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:00" (1/1) ... [2021-12-14 17:57:00,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:00" (1/1) ... [2021-12-14 17:57:00,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:00" (1/1) ... [2021-12-14 17:57:01,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:00" (1/1) ... [2021-12-14 17:57:01,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:00" (1/1) ... [2021-12-14 17:57:01,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:57:01,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:57:01,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:57:01,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:57:01,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:00" (1/1) ... [2021-12-14 17:57:01,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:57:01,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:57:01,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 17:57:01,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 17:57:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2021-12-14 17:57:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2021-12-14 17:57:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure wait_nack [2021-12-14 17:57:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_nack [2021-12-14 17:57:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ack [2021-12-14 17:57:01,189 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ack [2021-12-14 17:57:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 17:57:01,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 17:57:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure clear_cmd_trigger [2021-12-14 17:57:01,189 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_cmd_trigger [2021-12-14 17:57:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:57:01,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:57:01,190 INFO L130 BoogieDeclarations]: Found specification of procedure ast_init_dvo [2021-12-14 17:57:01,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_init_dvo [2021-12-14 17:57:01,190 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2021-12-14 17:57:01,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2021-12-14 17:57:01,190 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2021-12-14 17:57:01,190 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2021-12-14 17:57:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2021-12-14 17:57:01,191 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2021-12-14 17:57:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:57:01,191 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:57:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_dpms [2021-12-14 17:57:01,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_dpms [2021-12-14 17:57:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_dp501_video_output [2021-12-14 17:57:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_dp501_video_output [2021-12-14 17:57:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2021-12-14 17:57:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2021-12-14 17:57:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2021-12-14 17:57:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2021-12-14 17:57:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 17:57:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 17:57:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-14 17:57:01,193 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-14 17:57:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:57:01,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:57:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2021-12-14 17:57:01,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2021-12-14 17:57:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_fixup [2021-12-14 17:57:01,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_fixup [2021-12-14 17:57:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:57:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2021-12-14 17:57:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2021-12-14 17:57:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2021-12-14 17:57:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2021-12-14 17:57:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_vga [2021-12-14 17:57:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_vga [2021-12-14 17:57:01,195 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 17:57:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 17:57:01,195 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2021-12-14 17:57:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2021-12-14 17:57:01,195 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2021-12-14 17:57:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2021-12-14 17:57:01,195 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2021-12-14 17:57:01,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2021-12-14 17:57:01,196 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2021-12-14 17:57:01,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2021-12-14 17:57:01,196 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2021-12-14 17:57:01,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2021-12-14 17:57:01,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:57:01,196 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mindwm [2021-12-14 17:57:01,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mindwm [2021-12-14 17:57:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2021-12-14 17:57:01,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2021-12-14 17:57:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2021-12-14 17:57:01,197 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2021-12-14 17:57:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:57:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2021-12-14 17:57:01,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2021-12-14 17:57:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure send_ack [2021-12-14 17:57:01,198 INFO L138 BoogieDeclarations]: Found implementation of procedure send_ack [2021-12-14 17:57:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2021-12-14 17:57:01,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2021-12-14 17:57:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:57:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2021-12-14 17:57:01,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2021-12-14 17:57:01,199 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-14 17:57:01,199 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-14 17:57:01,199 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_base [2021-12-14 17:57:01,199 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_base [2021-12-14 17:57:01,199 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2021-12-14 17:57:01,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2021-12-14 17:57:01,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 17:57:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 17:57:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:57:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure ast_post_gpu [2021-12-14 17:57:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_post_gpu [2021-12-14 17:57:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:57:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_gamma_set [2021-12-14 17:57:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_gamma_set [2021-12-14 17:57:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 17:57:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 17:57:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2021-12-14 17:57:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2021-12-14 17:57:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:57:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 17:57:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:57:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:57:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2021-12-14 17:57:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2021-12-14 17:57:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_set [2021-12-14 17:57:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_set [2021-12-14 17:57:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2021-12-14 17:57:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2021-12-14 17:57:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2021-12-14 17:57:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2021-12-14 17:57:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2021-12-14 17:57:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2021-12-14 17:57:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 17:57:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 17:57:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2021-12-14 17:57:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2021-12-14 17:57:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 17:57:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 17:57:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:57:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:57:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-14 17:57:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:57:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:57:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:57:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:57:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure send_nack [2021-12-14 17:57:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure send_nack [2021-12-14 17:57:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_mmio [2021-12-14 17:57:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_mmio [2021-12-14 17:57:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_detect [2021-12-14 17:57:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_detect [2021-12-14 17:57:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 17:57:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2021-12-14 17:57:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2021-12-14 17:57:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2021-12-14 17:57:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2021-12-14 17:57:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2021-12-14 17:57:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2021-12-14 17:57:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2021-12-14 17:57:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2021-12-14 17:57:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:57:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:57:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:57:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:57:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2021-12-14 17:57:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2021-12-14 17:57:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 17:57:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 17:57:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:57:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:57:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2021-12-14 17:57:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2021-12-14 17:57:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mmap [2021-12-14 17:57:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mmap [2021-12-14 17:57:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 17:57:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 17:57:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:57:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2021-12-14 17:57:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-12-14 17:57:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:57:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2021-12-14 17:57:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2021-12-14 17:57:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2021-12-14 17:57:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2021-12-14 17:57:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:57:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2021-12-14 17:57:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2021-12-14 17:57:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 17:57:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 17:57:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 17:57:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 17:57:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2021-12-14 17:57:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2021-12-14 17:57:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2021-12-14 17:57:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2021-12-14 17:57:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2021-12-14 17:57:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2021-12-14 17:57:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2021-12-14 17:57:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2021-12-14 17:57:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2021-12-14 17:57:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2021-12-14 17:57:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2021-12-14 17:57:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2021-12-14 17:57:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2021-12-14 17:57:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2021-12-14 17:57:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2021-12-14 17:57:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2021-12-14 17:57:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2021-12-14 17:57:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2021-12-14 17:57:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2021-12-14 17:57:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2021-12-14 17:57:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2021-12-14 17:57:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2021-12-14 17:57:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2021-12-14 17:57:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2021-12-14 17:57:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set [2021-12-14 17:57:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set [2021-12-14 17:57:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2021-12-14 17:57:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2021-12-14 17:57:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo [2021-12-14 17:57:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo [2021-12-14 17:57:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2021-12-14 17:57:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2021-12-14 17:57:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:57:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:57:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:57:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure ast_moutdwm [2021-12-14 17:57:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_moutdwm [2021-12-14 17:57:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2021-12-14 17:57:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2021-12-14 17:57:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2021-12-14 17:57:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2021-12-14 17:57:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:57:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:57:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2021-12-14 17:57:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2021-12-14 17:57:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 17:57:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 17:57:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2021-12-14 17:57:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2021-12-14 17:57:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2021-12-14 17:57:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2021-12-14 17:57:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2021-12-14 17:57:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2021-12-14 17:57:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-14 17:57:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-14 17:57:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_move [2021-12-14 17:57:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_move [2021-12-14 17:57:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-14 17:57:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-14 17:57:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2021-12-14 17:57:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2021-12-14 17:57:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2021-12-14 17:57:01,219 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2021-12-14 17:57:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 17:57:01,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 17:57:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2021-12-14 17:57:01,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2021-12-14 17:57:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2021-12-14 17:57:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2021-12-14 17:57:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2021-12-14 17:57:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2021-12-14 17:57:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:57:02,230 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:57:02,232 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:57:02,382 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:57:13,774 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:57:13,805 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:57:13,805 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 17:57:13,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:57:13 BoogieIcfgContainer [2021-12-14 17:57:13,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:57:13,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:57:13,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:57:13,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:57:13,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:56:55" (1/3) ... [2021-12-14 17:57:13,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd1c6ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:57:13, skipping insertion in model container [2021-12-14 17:57:13,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:00" (2/3) ... [2021-12-14 17:57:13,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd1c6ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:57:13, skipping insertion in model container [2021-12-14 17:57:13,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:57:13" (3/3) ... [2021-12-14 17:57:13,823 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2021-12-14 17:57:13,833 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:57:13,834 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:57:13,885 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:57:13,890 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 17:57:13,890 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:57:13,959 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) [2021-12-14 17:57:13,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-14 17:57:13,971 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:57:13,972 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] [2021-12-14 17:57:13,972 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:57:13,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:57:13,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1039152549, now seen corresponding path program 1 times [2021-12-14 17:57:13,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:57:13,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142725922] [2021-12-14 17:57:13,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:57:13,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:57:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:14,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:57:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:14,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:57:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:14,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:14,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:14,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:57:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:14,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:14,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:57:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:14,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:57:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:57:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:57:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 17:57:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 17:57:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 17:57:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-14 17:57:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-14 17:57:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 17:57:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 17:57:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 17:57:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-14 17:57:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-14 17:57:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2021-12-14 17:57:15,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:57:15,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142725922] [2021-12-14 17:57:15,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142725922] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:57:15,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:57:15,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:57:15,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275563539] [2021-12-14 17:57:15,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:57:15,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:57:15,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:57:15,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:57:15,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:57:15,486 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) [2021-12-14 17:57:17,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-14 17:57:23,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:57:25,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:57:27,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:57:30,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-14 17:57:32,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-14 17:57:51,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:57:51,413 INFO L93 Difference]: Finished difference Result 7122 states and 11008 transitions. [2021-12-14 17:57:51,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 17:57:51,416 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 [2021-12-14 17:57:51,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:57:51,461 INFO L225 Difference]: With dead ends: 7122 [2021-12-14 17:57:51,461 INFO L226 Difference]: Without dead ends: 3706 [2021-12-14 17:57:51,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:57:51,485 INFO L933 BasicCegarLoop]: 5000 mSDtfsCounter, 1577 mSDsluCounter, 6948 mSDsCounter, 0 mSdLazyCounter, 4165 mSolverCounterSat, 2247 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1653 SdHoareTripleChecker+Valid, 11948 SdHoareTripleChecker+Invalid, 6417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2247 IncrementalHoareTripleChecker+Valid, 4165 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.3s IncrementalHoareTripleChecker+Time [2021-12-14 17:57:51,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1653 Valid, 11948 Invalid, 6417 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2247 Valid, 4165 Invalid, 5 Unknown, 0 Unchecked, 35.3s Time] [2021-12-14 17:57:51,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3706 states. [2021-12-14 17:57:51,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3706 to 3369. [2021-12-14 17:57:51,738 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) [2021-12-14 17:57:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 5112 transitions. [2021-12-14 17:57:51,770 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 5112 transitions. Word has length 218 [2021-12-14 17:57:51,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:57:51,771 INFO L470 AbstractCegarLoop]: Abstraction has 3369 states and 5112 transitions. [2021-12-14 17:57:51,771 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) [2021-12-14 17:57:51,772 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 5112 transitions. [2021-12-14 17:57:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-14 17:57:51,781 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:57:51,783 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] [2021-12-14 17:57:51,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:57:51,784 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:57:51,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:57:51,784 INFO L85 PathProgramCache]: Analyzing trace with hash -843936201, now seen corresponding path program 1 times [2021-12-14 17:57:51,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:57:51,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938730059] [2021-12-14 17:57:51,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:57:51,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:57:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:57:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:57:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:57:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:57:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:57:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:57:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:57:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 17:57:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 17:57:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 17:57:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-14 17:57:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-14 17:57:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 17:57:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 17:57:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 17:57:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-14 17:57:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-14 17:57:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:52,655 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2021-12-14 17:57:52,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:57:52,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938730059] [2021-12-14 17:57:52,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938730059] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:57:52,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:57:52,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:57:52,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627960992] [2021-12-14 17:57:52,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:57:52,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:57:52,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:57:52,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:57:52,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:57:52,660 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)