./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.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 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 22:59:13,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:59:13,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:59:13,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:59:13,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:59:13,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:59:13,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:59:13,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:59:13,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:59:13,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:59:13,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:59:13,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:59:13,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:59:13,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:59:13,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:59:13,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:59:13,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:59:13,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:59:13,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:59:13,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:59:13,437 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:59:13,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:59:13,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:59:13,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:59:13,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:59:13,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:59:13,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:59:13,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:59:13,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:59:13,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:59:13,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:59:13,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:59:13,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:59:13,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:59:13,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:59:13,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:59:13,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:59:13,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:59:13,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:59:13,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:59:13,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:59:13,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:59:13,456 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 22:59:13,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:59:13,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:59:13,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:59:13,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:59:13,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:59:13,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:59:13,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:59:13,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:59:13,481 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:59:13,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:59:13,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 22:59:13,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:59:13,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:59:13,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:59:13,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:59:13,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:59:13,482 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:59:13,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:59:13,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:59:13,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:59:13,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:59:13,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:59:13,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:59:13,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:59:13,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:59:13,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 22:59:13,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 22:59:13,485 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:59:13,485 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:59:13,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:59:13,485 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c [2022-07-22 22:59:13,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:59:13,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:59:13,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:59:13,674 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:59:13,675 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:59:13,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-07-22 22:59:13,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031d85878/1fb1660ffead48d386daaf28a521947e/FLAGb9d4bc2f2 [2022-07-22 22:59:14,448 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:59:14,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-07-22 22:59:14,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031d85878/1fb1660ffead48d386daaf28a521947e/FLAGb9d4bc2f2 [2022-07-22 22:59:14,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031d85878/1fb1660ffead48d386daaf28a521947e [2022-07-22 22:59:14,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:59:14,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:59:14,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:59:14,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:59:14,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:59:14,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:59:14" (1/1) ... [2022-07-22 22:59:14,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@438eaf29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:14, skipping insertion in model container [2022-07-22 22:59:14,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:59:14" (1/1) ... [2022-07-22 22:59:14,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:59:14,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:59:22,252 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-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-07-22 22:59:22,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:59:22,810 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:59:23,459 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-22 22:59:23,463 INFO L158 Benchmark]: Toolchain (without parser) took 8760.82ms. Allocated memory was 123.7MB in the beginning and 274.7MB in the end (delta: 151.0MB). Free memory was 79.7MB in the beginning and 143.4MB in the end (delta: -63.8MB). Peak memory consumption was 154.7MB. Max. memory is 16.1GB. [2022-07-22 22:59:23,464 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:59:23,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8759.45ms. Allocated memory was 123.7MB in the beginning and 274.7MB in the end (delta: 151.0MB). Free memory was 79.7MB in the beginning and 143.4MB in the end (delta: -63.8MB). Peak memory consumption was 154.7MB. Max. memory is 16.1GB. [2022-07-22 22:59:23,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8759.45ms. Allocated memory was 123.7MB in the beginning and 274.7MB in the end (delta: 151.0MB). Free memory was 79.7MB in the beginning and 143.4MB in the end (delta: -63.8MB). Peak memory consumption was 154.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 22:59:24,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:59:24,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:59:24,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:59:24,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:59:24,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:59:24,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:59:24,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:59:24,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:59:24,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:59:24,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:59:24,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:59:24,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:59:24,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:59:24,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:59:24,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:59:24,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:59:24,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:59:24,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:59:25,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:59:25,012 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:59:25,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:59:25,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:59:25,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:59:25,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:59:25,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:59:25,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:59:25,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:59:25,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:59:25,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:59:25,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:59:25,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:59:25,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:59:25,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:59:25,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:59:25,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:59:25,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:59:25,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:59:25,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:59:25,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:59:25,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:59:25,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:59:25,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 22:59:25,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:59:25,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:59:25,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:59:25,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:59:25,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:59:25,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:59:25,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:59:25,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:59:25,048 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:59:25,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:59:25,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:59:25,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:59:25,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:59:25,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:59:25,050 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 22:59:25,050 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 22:59:25,050 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 22:59:25,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:59:25,050 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:59:25,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:59:25,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:59:25,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:59:25,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:59:25,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:59:25,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:59:25,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:59:25,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:59:25,052 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 22:59:25,052 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 22:59:25,052 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:59:25,052 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:59:25,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:59:25,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 22:59:25,053 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c [2022-07-22 22:59:25,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:59:25,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:59:25,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:59:25,312 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:59:25,312 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:59:25,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-07-22 22:59:25,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f554d0bca/a02b416ac60b4f9db0663e225bd24bf5/FLAG18955c8a1 [2022-07-22 22:59:26,149 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:59:26,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-07-22 22:59:26,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f554d0bca/a02b416ac60b4f9db0663e225bd24bf5/FLAG18955c8a1 [2022-07-22 22:59:26,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f554d0bca/a02b416ac60b4f9db0663e225bd24bf5 [2022-07-22 22:59:26,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:59:26,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:59:26,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:59:26,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:59:26,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:59:26,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:59:26" (1/1) ... [2022-07-22 22:59:26,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b27daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:26, skipping insertion in model container [2022-07-22 22:59:26,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:59:26" (1/1) ... [2022-07-22 22:59:26,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:59:26,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:59:34,190 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-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-07-22 22:59:34,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:59:34,737 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 22:59:34,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:59:35,341 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-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-07-22 22:59:35,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:59:35,389 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:59:35,932 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-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-07-22 22:59:35,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:59:36,344 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:59:36,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:36 WrapperNode [2022-07-22 22:59:36,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:59:36,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:59:36,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:59:36,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:59:36,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:36" (1/1) ... [2022-07-22 22:59:36,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:36" (1/1) ... [2022-07-22 22:59:36,798 INFO L137 Inliner]: procedures = 1061, calls = 9656, calls flagged for inlining = 360, calls inlined = 140, statements flattened = 6761 [2022-07-22 22:59:36,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:59:36,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:59:36,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:59:36,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:59:36,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:36" (1/1) ... [2022-07-22 22:59:36,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:36" (1/1) ... [2022-07-22 22:59:36,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:36" (1/1) ... [2022-07-22 22:59:36,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:36" (1/1) ... [2022-07-22 22:59:36,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:36" (1/1) ... [2022-07-22 22:59:37,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:36" (1/1) ... [2022-07-22 22:59:37,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:36" (1/1) ... [2022-07-22 22:59:37,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:59:37,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:59:37,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:59:37,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:59:37,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:36" (1/1) ... [2022-07-22 22:59:37,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:59:37,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:59:37,132 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) [2022-07-22 22:59:37,140 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 [2022-07-22 22:59:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2022-07-22 22:59:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2022-07-22 22:59:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_destroy [2022-07-22 22:59:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_destroy [2022-07-22 22:59:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-07-22 22:59:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-07-22 22:59:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_init [2022-07-22 22:59:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_init [2022-07-22 22:59:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-22 22:59:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-22 22:59:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-22 22:59:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-22 22:59:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2022-07-22 22:59:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2022-07-22 22:59:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_backoff_reservation [2022-07-22 22:59:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_backoff_reservation [2022-07-22 22:59:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mtrr_del [2022-07-22 22:59:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mtrr_del [2022-07-22 22:59:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2022-07-22 22:59:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2022-07-22 22:59:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_firstopen [2022-07-22 22:59:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_firstopen [2022-07-22 22:59:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2022-07-22 22:59:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2022-07-22 22:59:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2022-07-22 22:59:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2022-07-22 22:59:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2022-07-22 22:59:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2022-07-22 22:59:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2022-07-22 22:59:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2022-07-22 22:59:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-22 22:59:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-22 22:59:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-22 22:59:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-22 22:59:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-22 22:59:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-22 22:59:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-22 22:59:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unreserve [2022-07-22 22:59:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unreserve [2022-07-22 22:59:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-22 22:59:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-22 22:59:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-07-22 22:59:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-07-22 22:59:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-22 22:59:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-22 22:59:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_free [2022-07-22 22:59:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_free [2022-07-22 22:59:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2022-07-22 22:59:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2022-07-22 22:59:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-07-22 22:59:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-07-22 22:59:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-22 22:59:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-22 22:59:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_commit_list [2022-07-22 22:59:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_commit_list [2022-07-22 22:59:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hw_mutex [2022-07-22 22:59:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hw_mutex [2022-07-22 22:59:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_emit_dummy_query [2022-07-22 22:59:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_emit_dummy_query [2022-07-22 22:59:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2022-07-22 22:59:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2022-07-22 22:59:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2022-07-22 22:59:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2022-07-22 22:59:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_alloc [2022-07-22 22:59:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_alloc [2022-07-22 22:59:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_destroy [2022-07-22 22:59:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_destroy [2022-07-22 22:59:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-22 22:59:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-22 22:59:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2022-07-22 22:59:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2022-07-22 22:59:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_init [2022-07-22 22:59:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_init [2022-07-22 22:59:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:59:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_add [2022-07-22 22:59:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_add [2022-07-22 22:59:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2022-07-22 22:59:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2022-07-22 22:59:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2022-07-22 22:59:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2022-07-22 22:59:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-22 22:59:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-22 22:59:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dma_buffer [2022-07-22 22:59:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dma_buffer [2022-07-22 22:59:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:59:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_image [2022-07-22 22:59:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_image [2022-07-22 22:59:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2022-07-22 22:59:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2022-07-22 22:59:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:59:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 22:59:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2022-07-22 22:59:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2022-07-22 22:59:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2022-07-22 22:59:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2022-07-22 22:59:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2022-07-22 22:59:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2022-07-22 22:59:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-22 22:59:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-22 22:59:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_pitchlock [2022-07-22 22:59:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_pitchlock [2022-07-22 22:59:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-22 22:59:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-22 22:59:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2022-07-22 22:59:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2022-07-22 22:59:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-22 22:59:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-22 22:59:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_write [2022-07-22 22:59:37,178 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_write [2022-07-22 22:59:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-07-22 22:59:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-07-22 22:59:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_wait [2022-07-22 22:59:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_wait [2022-07-22 22:59:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_close [2022-07-22 22:59:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_close [2022-07-22 22:59:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-22 22:59:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-22 22:59:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:59:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:59:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_write_svga [2022-07-22 22:59:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_write_svga [2022-07-22 22:59:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_release_mutex [2022-07-22 22:59:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_release_mutex [2022-07-22 22:59:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2022-07-22 22:59:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2022-07-22 22:59:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2022-07-22 22:59:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2022-07-22 22:59:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 22:59:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_reference [2022-07-22 22:59:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_reference [2022-07-22 22:59:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-07-22 22:59:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-07-22 22:59:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2022-07-22 22:59:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2022-07-22 22:59:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-22 22:59:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-22 22:59:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-22 22:59:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-22 22:59:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_reserve [2022-07-22 22:59:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_reserve [2022-07-22 22:59:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 22:59:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 22:59:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2022-07-22 22:59:37,197 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2022-07-22 22:59:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 22:59:37,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 22:59:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 22:59:37,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 22:59:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_lock [2022-07-22 22:59:37,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_lock [2022-07-22 22:59:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2022-07-22 22:59:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2022-07-22 22:59:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-22 22:59:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-22 22:59:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_device_release [2022-07-22 22:59:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_device_release [2022-07-22 22:59:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 22:59:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-22 22:59:37,198 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-22 22:59:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-07-22 22:59:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 22:59:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-07-22 22:59:37,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-07-22 22:59:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-07-22 22:59:37,199 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-07-22 22:59:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_global_release [2022-07-22 22:59:37,199 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_global_release [2022-07-22 22:59:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-22 22:59:37,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-22 22:59:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-22 22:59:37,200 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-22 22:59:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-22 22:59:37,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-22 22:59:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2022-07-22 22:59:37,200 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2022-07-22 22:59:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fpriv [2022-07-22 22:59:37,200 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fpriv [2022-07-22 22:59:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-22 22:59:37,200 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-22 22:59:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_reserve_buffers [2022-07-22 22:59:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_reserve_buffers [2022-07-22 22:59:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-07-22 22:59:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-07-22 22:59:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2022-07-22 22:59:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2022-07-22 22:59:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-22 22:59:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-22 22:59:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_set_par [2022-07-22 22:59:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_set_par [2022-07-22 22:59:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2022-07-22 22:59:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmdbuf_mutex [2022-07-22 22:59:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmdbuf_mutex [2022-07-22 22:59:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-07-22 22:59:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-07-22 22:59:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2022-07-22 22:59:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2022-07-22 22:59:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_clean_mm [2022-07-22 22:59:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_clean_mm [2022-07-22 22:59:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2022-07-22 22:59:37,203 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2022-07-22 22:59:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-22 22:59:37,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-22 22:59:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_cleanup [2022-07-22 22:59:37,203 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_cleanup [2022-07-22 22:59:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-22 22:59:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-22 22:59:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-22 22:59:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-22 22:59:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-22 22:59:37,204 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-22 22:59:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 22:59:37,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 22:59:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unref [2022-07-22 22:59:37,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unref [2022-07-22 22:59:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_create [2022-07-22 22:59:37,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_create [2022-07-22 22:59:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2022-07-22 22:59:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2022-07-22 22:59:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-07-22 22:59:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-07-22 22:59:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_get_guest_ptr [2022-07-22 22:59:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_get_guest_ptr [2022-07-22 22:59:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2022-07-22 22:59:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2022-07-22 22:59:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-22 22:59:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-22 22:59:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2022-07-22 22:59:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2022-07-22 22:59:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2022-07-22 22:59:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2022-07-22 22:59:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2022-07-22 22:59:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2022-07-22 22:59:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-22 22:59:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-22 22:59:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-22 22:59:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-22 22:59:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-07-22 22:59:37,207 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-07-22 22:59:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_is_full [2022-07-22 22:59:37,207 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_is_full [2022-07-22 22:59:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_put [2022-07-22 22:59:37,207 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_put [2022-07-22 22:59:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_marker_pull [2022-07-22 22:59:37,208 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_marker_pull [2022-07-22 22:59:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2022-07-22 22:59:37,208 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2022-07-22 22:59:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-22 22:59:37,208 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-22 22:59:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2022-07-22 22:59:37,208 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2022-07-22 22:59:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fb_surf_mutex [2022-07-22 22:59:37,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fb_surf_mutex [2022-07-22 22:59:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-22 22:59:37,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-22 22:59:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure getrawmonotonic [2022-07-22 22:59:37,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getrawmonotonic [2022-07-22 22:59:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2022-07-22 22:59:37,209 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2022-07-22 22:59:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2022-07-22 22:59:37,209 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2022-07-22 22:59:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure fill_flush [2022-07-22 22:59:37,209 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_flush [2022-07-22 22:59:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2022-07-22 22:59:37,210 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2022-07-22 22:59:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 22:59:37,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 22:59:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unreference [2022-07-22 22:59:37,210 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unreference [2022-07-22 22:59:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2022-07-22 22:59:37,210 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2022-07-22 22:59:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_fence_buffer_objects [2022-07-22 22:59:37,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_fence_buffer_objects [2022-07-22 22:59:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fifo_mutex [2022-07-22 22:59:37,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fifo_mutex [2022-07-22 22:59:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-22 22:59:37,211 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-22 22:59:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2022-07-22 22:59:37,211 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2022-07-22 22:59:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2022-07-22 22:59:37,211 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2022-07-22 22:59:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_put [2022-07-22 22:59:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_put [2022-07-22 22:59:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-22 22:59:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-22 22:59:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_goal_irq_mutex [2022-07-22 22:59:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_goal_irq_mutex [2022-07-22 22:59:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_pin [2022-07-22 22:59:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_pin [2022-07-22 22:59:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 22:59:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 22:59:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 22:59:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 22:59:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-22 22:59:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-22 22:59:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_init [2022-07-22 22:59:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_init [2022-07-22 22:59:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-07-22 22:59:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-07-22 22:59:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2022-07-22 22:59:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2022-07-22 22:59:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_resume [2022-07-22 22:59:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_resume [2022-07-22 22:59:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-22 22:59:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-22 22:59:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-07-22 22:59:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-07-22 22:59:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_close [2022-07-22 22:59:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_close [2022-07-22 22:59:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_unbind [2022-07-22 22:59:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_unbind [2022-07-22 22:59:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-22 22:59:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-22 22:59:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_suspend [2022-07-22 22:59:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_suspend [2022-07-22 22:59:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 22:59:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 22:59:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2022-07-22 22:59:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2022-07-22 22:59:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_restore_vga [2022-07-22 22:59:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_restore_vga [2022-07-22 22:59:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2022-07-22 22:59:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2022-07-22 22:59:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2022-07-22 22:59:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2022-07-22 22:59:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-22 22:59:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-22 22:59:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-22 22:59:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-22 22:59:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-07-22 22:59:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-07-22 22:59:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2022-07-22 22:59:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2022-07-22 22:59:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2022-07-22 22:59:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2022-07-22 22:59:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2022-07-22 22:59:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2022-07-22 22:59:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_read [2022-07-22 22:59:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_read [2022-07-22 22:59:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-07-22 22:59:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-07-22 22:59:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-22 22:59:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-22 22:59:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-22 22:59:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-22 22:59:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-22 22:59:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2022-07-22 22:59:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2022-07-22 22:59:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2022-07-22 22:59:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2022-07-22 22:59:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2022-07-22 22:59:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_remove [2022-07-22 22:59:37,219 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_remove [2022-07-22 22:59:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2022-07-22 22:59:37,219 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2022-07-22 22:59:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2022-07-22 22:59:37,219 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2022-07-22 22:59:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-07-22 22:59:37,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-07-22 22:59:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2022-07-22 22:59:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2022-07-22 22:59:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fb_surf_mutex [2022-07-22 22:59:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fb_surf_mutex [2022-07-22 22:59:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-22 22:59:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-22 22:59:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-22 22:59:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-22 22:59:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-22 22:59:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_free [2022-07-22 22:59:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_free [2022-07-22 22:59:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_unlock [2022-07-22 22:59:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_unlock [2022-07-22 22:59:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 22:59:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-22 22:59:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-22 22:59:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-22 22:59:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 22:59:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 22:59:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_encode [2022-07-22 22:59:37,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_encode [2022-07-22 22:59:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2022-07-22 22:59:37,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2022-07-22 22:59:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2022-07-22 22:59:37,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2022-07-22 22:59:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reference [2022-07-22 22:59:37,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reference [2022-07-22 22:59:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-07-22 22:59:37,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-07-22 22:59:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2022-07-22 22:59:37,223 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2022-07-22 22:59:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2022-07-22 22:59:37,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2022-07-22 22:59:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_dmabuf [2022-07-22 22:59:37,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_dmabuf [2022-07-22 22:59:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-22 22:59:37,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-22 22:59:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 22:59:37,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 22:59:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2022-07-22 22:59:37,225 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2022-07-22 22:59:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2022-07-22 22:59:37,225 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2022-07-22 22:59:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-07-22 22:59:37,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-07-22 22:59:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-22 22:59:37,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-22 22:59:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_release_mutex [2022-07-22 22:59:37,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_release_mutex [2022-07-22 22:59:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2022-07-22 22:59:37,226 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2022-07-22 22:59:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2022-07-22 22:59:37,226 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2022-07-22 22:59:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-22 22:59:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-22 22:59:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 22:59:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_priv [2022-07-22 22:59:37,226 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_priv [2022-07-22 22:59:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:59:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_goal_irq_mutex [2022-07-22 22:59:37,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_goal_irq_mutex [2022-07-22 22:59:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_commit [2022-07-22 22:59:37,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_commit [2022-07-22 22:59:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-07-22 22:59:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-22 22:59:37,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-22 22:59:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hw_mutex [2022-07-22 22:59:37,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hw_mutex [2022-07-22 22:59:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2022-07-22 22:59:37,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2022-07-22 22:59:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2022-07-22 22:59:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2022-07-22 22:59:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2022-07-22 22:59:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2022-07-22 22:59:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2022-07-22 22:59:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2022-07-22 22:59:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2022-07-22 22:59:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2022-07-22 22:59:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reserve [2022-07-22 22:59:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reserve [2022-07-22 22:59:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_idle [2022-07-22 22:59:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_idle [2022-07-22 22:59:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_reference [2022-07-22 22:59:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_reference [2022-07-22 22:59:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 22:59:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 22:59:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_unref [2022-07-22 22:59:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_unref [2022-07-22 22:59:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master [2022-07-22 22:59:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master [2022-07-22 22:59:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2022-07-22 22:59:37,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2022-07-22 22:59:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2022-07-22 22:59:37,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2022-07-22 22:59:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_remove [2022-07-22 22:59:37,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_remove [2022-07-22 22:59:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_size [2022-07-22 22:59:37,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_size [2022-07-22 22:59:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-07-22 22:59:37,230 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-07-22 22:59:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2022-07-22 22:59:37,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2022-07-22 22:59:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-07-22 22:59:37,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-07-22 22:59:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2022-07-22 22:59:37,231 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2022-07-22 22:59:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2022-07-22 22:59:37,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2022-07-22 22:59:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_mem_glob [2022-07-22 22:59:37,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_mem_glob [2022-07-22 22:59:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2022-07-22 22:59:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2022-07-22 22:59:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_ping_host [2022-07-22 22:59:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_ping_host [2022-07-22 22:59:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_object_device_release [2022-07-22 22:59:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_object_device_release [2022-07-22 22:59:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_release [2022-07-22 22:59:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_release [2022-07-22 22:59:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-07-22 22:59:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-07-22 22:59:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2022-07-22 22:59:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2022-07-22 22:59:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure fill_escape [2022-07-22 22:59:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_escape [2022-07-22 22:59:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_manager_takedown [2022-07-22 22:59:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_manager_takedown [2022-07-22 22:59:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-22 22:59:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-22 22:59:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2022-07-22 22:59:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2022-07-22 22:59:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-22 22:59:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-22 22:59:37,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-22 22:59:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-22 22:59:37,234 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-07-22 22:59:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-07-22 22:59:38,045 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:59:38,049 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:01:59,282 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:01:59,297 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:01:59,298 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 23:01:59,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:01:59 BoogieIcfgContainer [2022-07-22 23:01:59,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:01:59,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:01:59,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:01:59,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:01:59,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:59:26" (1/3) ... [2022-07-22 23:01:59,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4603b7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:01:59, skipping insertion in model container [2022-07-22 23:01:59,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:36" (2/3) ... [2022-07-22 23:01:59,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4603b7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:01:59, skipping insertion in model container [2022-07-22 23:01:59,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:01:59" (3/3) ... [2022-07-22 23:01:59,310 INFO L111 eAbstractionObserver]: Analyzing ICFG main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-07-22 23:01:59,319 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:01:59,319 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:01:59,387 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:01:59,393 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@41b19cb9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@45e29037 [2022-07-22 23:01:59,393 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:01:59,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 3067 states, 1875 states have (on average 1.2597333333333334) internal successors, (2362), 1994 states have internal predecessors, (2362), 960 states have call successors, (960), 230 states have call predecessors, (960), 230 states have return successors, (960), 931 states have call predecessors, (960), 960 states have call successors, (960) [2022-07-22 23:01:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-22 23:01:59,411 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:01:59,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:01:59,412 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:01:59,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:01:59,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1840002574, now seen corresponding path program 1 times [2022-07-22 23:01:59,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:01:59,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586716702] [2022-07-22 23:01:59,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:01:59,436 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:01:59,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:01:59,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:01:59,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 23:02:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:02:06,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 6348 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:02:06,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:02:06,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:02:06,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:02:06,817 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:02:06,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586716702] [2022-07-22 23:02:06,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [586716702] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:02:06,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:02:06,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:02:06,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110509221] [2022-07-22 23:02:06,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:02:06,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:02:06,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:02:06,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:02:06,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:02:06,854 INFO L87 Difference]: Start difference. First operand has 3067 states, 1875 states have (on average 1.2597333333333334) internal successors, (2362), 1994 states have internal predecessors, (2362), 960 states have call successors, (960), 230 states have call predecessors, (960), 230 states have return successors, (960), 931 states have call predecessors, (960), 960 states have call successors, (960) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:02:09,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:10,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:02:10,080 INFO L93 Difference]: Finished difference Result 9038 states and 13207 transitions. [2022-07-22 23:02:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:02:10,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-07-22 23:02:10,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:02:10,134 INFO L225 Difference]: With dead ends: 9038 [2022-07-22 23:02:10,135 INFO L226 Difference]: Without dead ends: 5920 [2022-07-22 23:02:10,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:02:10,172 INFO L413 NwaCegarLoop]: 5741 mSDtfsCounter, 4275 mSDsluCounter, 4121 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4275 SdHoareTripleChecker+Valid, 9862 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-22 23:02:10,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4275 Valid, 9862 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-22 23:02:10,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5920 states. [2022-07-22 23:02:10,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5920 to 5905. [2022-07-22 23:02:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5905 states, 3609 states have (on average 1.2446661124965364) internal successors, (4492), 3808 states have internal predecessors, (4492), 1847 states have call successors, (1847), 452 states have call predecessors, (1847), 448 states have return successors, (1946), 1763 states have call predecessors, (1946), 1819 states have call successors, (1946) [2022-07-22 23:02:10,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5905 states to 5905 states and 8285 transitions. [2022-07-22 23:02:10,504 INFO L78 Accepts]: Start accepts. Automaton has 5905 states and 8285 transitions. Word has length 12 [2022-07-22 23:02:10,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:02:10,505 INFO L495 AbstractCegarLoop]: Abstraction has 5905 states and 8285 transitions. [2022-07-22 23:02:10,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:02:10,506 INFO L276 IsEmpty]: Start isEmpty. Operand 5905 states and 8285 transitions. [2022-07-22 23:02:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-22 23:02:10,507 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:02:10,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:02:10,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-22 23:02:10,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:02:10,724 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:02:10,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:02:10,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1203679267, now seen corresponding path program 1 times [2022-07-22 23:02:10,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:02:10,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1318716126] [2022-07-22 23:02:10,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:02:10,735 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:02:10,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:02:10,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:02:10,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 23:02:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:02:17,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 6349 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:02:17,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:02:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:02:17,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:02:17,720 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:02:17,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1318716126] [2022-07-22 23:02:17,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1318716126] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:02:17,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:02:17,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:02:17,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616533806] [2022-07-22 23:02:17,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:02:17,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:02:17,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:02:17,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:02:17,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:02:17,722 INFO L87 Difference]: Start difference. First operand 5905 states and 8285 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:02:20,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:20,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:02:20,644 INFO L93 Difference]: Finished difference Result 5907 states and 8286 transitions. [2022-07-22 23:02:20,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:02:20,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-07-22 23:02:20,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:02:20,673 INFO L225 Difference]: With dead ends: 5907 [2022-07-22 23:02:20,674 INFO L226 Difference]: Without dead ends: 5904 [2022-07-22 23:02:20,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:02:20,679 INFO L413 NwaCegarLoop]: 4189 mSDtfsCounter, 4180 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4180 SdHoareTripleChecker+Valid, 4191 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-22 23:02:20,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4180 Valid, 4191 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-22 23:02:20,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5904 states. [2022-07-22 23:02:20,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5904 to 5904. [2022-07-22 23:02:20,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5904 states, 3609 states have (on average 1.2443890274314215) internal successors, (4491), 3807 states have internal predecessors, (4491), 1846 states have call successors, (1846), 452 states have call predecessors, (1846), 448 states have return successors, (1946), 1763 states have call predecessors, (1946), 1819 states have call successors, (1946) [2022-07-22 23:02:20,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5904 states to 5904 states and 8283 transitions. [2022-07-22 23:02:20,903 INFO L78 Accepts]: Start accepts. Automaton has 5904 states and 8283 transitions. Word has length 13 [2022-07-22 23:02:20,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:02:20,903 INFO L495 AbstractCegarLoop]: Abstraction has 5904 states and 8283 transitions. [2022-07-22 23:02:20,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:02:20,905 INFO L276 IsEmpty]: Start isEmpty. Operand 5904 states and 8283 transitions. [2022-07-22 23:02:20,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-22 23:02:20,906 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:02:20,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:02:21,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 23:02:21,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:02:21,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:02:21,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:02:21,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1342469199, now seen corresponding path program 1 times [2022-07-22 23:02:21,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:02:21,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1235714457] [2022-07-22 23:02:21,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:02:21,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:02:21,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:02:21,132 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:02:21,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 23:02:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:02:28,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 6350 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:02:28,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:02:28,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:02:28,344 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:02:28,344 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:02:28,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1235714457] [2022-07-22 23:02:28,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1235714457] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:02:28,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:02:28,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:02:28,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614314885] [2022-07-22 23:02:28,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:02:28,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:02:28,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:02:28,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:02:28,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:02:28,346 INFO L87 Difference]: Start difference. First operand 5904 states and 8283 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:02:31,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:31,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:02:31,333 INFO L93 Difference]: Finished difference Result 5920 states and 8293 transitions. [2022-07-22 23:02:31,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:02:31,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-07-22 23:02:31,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:02:31,360 INFO L225 Difference]: With dead ends: 5920 [2022-07-22 23:02:31,360 INFO L226 Difference]: Without dead ends: 5916 [2022-07-22 23:02:31,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:02:31,367 INFO L413 NwaCegarLoop]: 4186 mSDtfsCounter, 4160 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4160 SdHoareTripleChecker+Valid, 4204 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-22 23:02:31,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4160 Valid, 4204 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-22 23:02:31,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5916 states. [2022-07-22 23:02:31,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5916 to 5914. [2022-07-22 23:02:31,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5914 states, 3617 states have (on average 1.2430190765828035) internal successors, (4496), 3813 states have internal predecessors, (4496), 1844 states have call successors, (1844), 456 states have call predecessors, (1844), 452 states have return successors, (1946), 1763 states have call predecessors, (1946), 1819 states have call successors, (1946) [2022-07-22 23:02:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5914 states to 5914 states and 8286 transitions. [2022-07-22 23:02:31,557 INFO L78 Accepts]: Start accepts. Automaton has 5914 states and 8286 transitions. Word has length 14 [2022-07-22 23:02:31,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:02:31,557 INFO L495 AbstractCegarLoop]: Abstraction has 5914 states and 8286 transitions. [2022-07-22 23:02:31,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:02:31,557 INFO L276 IsEmpty]: Start isEmpty. Operand 5914 states and 8286 transitions. [2022-07-22 23:02:31,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-22 23:02:31,558 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:02:31,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:02:31,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 23:02:31,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:02:31,773 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:02:31,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:02:31,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1331311846, now seen corresponding path program 1 times [2022-07-22 23:02:31,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:02:31,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148216891] [2022-07-22 23:02:31,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:02:31,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:02:31,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:02:31,785 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:02:31,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 23:02:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:02:38,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 6351 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:02:38,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:02:38,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:02:38,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:02:38,731 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:02:38,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148216891] [2022-07-22 23:02:38,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1148216891] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:02:38,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:02:38,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:02:38,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034182030] [2022-07-22 23:02:38,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:02:38,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:02:38,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:02:38,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:02:38,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:02:38,732 INFO L87 Difference]: Start difference. First operand 5914 states and 8286 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:02:41,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:41,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:02:41,876 INFO L93 Difference]: Finished difference Result 17279 states and 25742 transitions. [2022-07-22 23:02:41,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:02:41,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-07-22 23:02:41,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:02:41,953 INFO L225 Difference]: With dead ends: 17279 [2022-07-22 23:02:41,953 INFO L226 Difference]: Without dead ends: 11371 [2022-07-22 23:02:41,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:02:41,996 INFO L413 NwaCegarLoop]: 5311 mSDtfsCounter, 4034 mSDsluCounter, 4242 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4034 SdHoareTripleChecker+Valid, 9553 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-22 23:02:41,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4034 Valid, 9553 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-22 23:02:42,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11371 states. [2022-07-22 23:02:42,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11371 to 11347. [2022-07-22 23:02:42,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11347 states, 6953 states have (on average 1.2398964475765857) internal successors, (8621), 7327 states have internal predecessors, (8621), 3498 states have call successors, (3498), 904 states have call predecessors, (3498), 895 states have return successors, (4516), 3343 states have call predecessors, (4516), 3451 states have call successors, (4516) [2022-07-22 23:02:42,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11347 states to 11347 states and 16635 transitions. [2022-07-22 23:02:42,409 INFO L78 Accepts]: Start accepts. Automaton has 11347 states and 16635 transitions. Word has length 15 [2022-07-22 23:02:42,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:02:42,409 INFO L495 AbstractCegarLoop]: Abstraction has 11347 states and 16635 transitions. [2022-07-22 23:02:42,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:02:42,409 INFO L276 IsEmpty]: Start isEmpty. Operand 11347 states and 16635 transitions. [2022-07-22 23:02:42,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-22 23:02:42,410 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:02:42,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:02:42,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-22 23:02:42,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:02:42,623 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:02:42,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:02:42,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1680816812, now seen corresponding path program 1 times [2022-07-22 23:02:42,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:02:42,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405783648] [2022-07-22 23:02:42,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:02:42,631 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:02:42,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:02:42,632 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:02:42,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 23:02:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:02:49,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 6352 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:02:49,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:02:49,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:02:49,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:02:49,490 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:02:49,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405783648] [2022-07-22 23:02:49,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405783648] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:02:49,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:02:49,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:02:49,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435035939] [2022-07-22 23:02:49,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:02:49,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:02:49,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:02:49,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:02:49,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:02:49,491 INFO L87 Difference]: Start difference. First operand 11347 states and 16635 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:02:52,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:52,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:02:52,557 INFO L93 Difference]: Finished difference Result 11585 states and 16843 transitions. [2022-07-22 23:02:52,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:02:52,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-07-22 23:02:52,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:02:52,608 INFO L225 Difference]: With dead ends: 11585 [2022-07-22 23:02:52,609 INFO L226 Difference]: Without dead ends: 11581 [2022-07-22 23:02:52,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:02:52,618 INFO L413 NwaCegarLoop]: 4214 mSDtfsCounter, 4119 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4119 SdHoareTripleChecker+Valid, 4316 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-22 23:02:52,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4119 Valid, 4316 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-22 23:02:52,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11581 states. [2022-07-22 23:02:52,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11581 to 11577. [2022-07-22 23:02:52,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11577 states, 7113 states have (on average 1.235484324476311) internal successors, (8788), 7489 states have internal predecessors, (8788), 3512 states have call successors, (3512), 960 states have call predecessors, (3512), 951 states have return successors, (4532), 3359 states have call predecessors, (4532), 3467 states have call successors, (4532) [2022-07-22 23:02:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11577 states to 11577 states and 16832 transitions. [2022-07-22 23:02:53,007 INFO L78 Accepts]: Start accepts. Automaton has 11577 states and 16832 transitions. Word has length 16 [2022-07-22 23:02:53,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:02:53,007 INFO L495 AbstractCegarLoop]: Abstraction has 11577 states and 16832 transitions. [2022-07-22 23:02:53,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:02:53,007 INFO L276 IsEmpty]: Start isEmpty. Operand 11577 states and 16832 transitions. [2022-07-22 23:02:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-22 23:02:53,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:02:53,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:02:53,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-22 23:02:53,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:02:53,223 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:02:53,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:02:53,224 INFO L85 PathProgramCache]: Analyzing trace with hash -567519831, now seen corresponding path program 1 times [2022-07-22 23:02:53,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:02:53,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064578418] [2022-07-22 23:02:53,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:02:53,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:02:53,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:02:53,232 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:02:53,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-22 23:02:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:03:00,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 6353 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:03:00,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:03:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:03:00,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:03:00,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:03:00,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064578418] [2022-07-22 23:03:00,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2064578418] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:03:00,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:03:00,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:03:00,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683007499] [2022-07-22 23:03:00,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:03:00,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:03:00,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:03:00,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:03:00,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:03:00,360 INFO L87 Difference]: Start difference. First operand 11577 states and 16832 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:03:03,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:03:03,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:03:03,417 INFO L93 Difference]: Finished difference Result 11781 states and 17010 transitions. [2022-07-22 23:03:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:03:03,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-07-22 23:03:03,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:03:03,464 INFO L225 Difference]: With dead ends: 11781 [2022-07-22 23:03:03,465 INFO L226 Difference]: Without dead ends: 11777 [2022-07-22 23:03:03,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:03:03,474 INFO L413 NwaCegarLoop]: 4210 mSDtfsCounter, 3922 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3922 SdHoareTripleChecker+Valid, 4500 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-22 23:03:03,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3922 Valid, 4500 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-22 23:03:03,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11777 states. [2022-07-22 23:03:03,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11777 to 11775. [2022-07-22 23:03:03,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11775 states, 7247 states have (on average 1.231268110942459) internal successors, (8923), 7621 states have internal predecessors, (8923), 3526 states have call successors, (3526), 1010 states have call predecessors, (3526), 1001 states have return successors, (4548), 3375 states have call predecessors, (4548), 3483 states have call successors, (4548) [2022-07-22 23:03:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11775 states to 11775 states and 16997 transitions. [2022-07-22 23:03:03,995 INFO L78 Accepts]: Start accepts. Automaton has 11775 states and 16997 transitions. Word has length 17 [2022-07-22 23:03:03,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:03:03,996 INFO L495 AbstractCegarLoop]: Abstraction has 11775 states and 16997 transitions. [2022-07-22 23:03:03,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:03:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 11775 states and 16997 transitions. [2022-07-22 23:03:03,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-22 23:03:03,999 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:03:03,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:03:04,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-22 23:03:04,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:03:04,215 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:03:04,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:03:04,216 INFO L85 PathProgramCache]: Analyzing trace with hash -415046921, now seen corresponding path program 1 times [2022-07-22 23:03:04,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:03:04,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [17591051] [2022-07-22 23:03:04,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:03:04,224 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:03:04,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:03:04,225 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:03:04,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-22 23:03:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:03:10,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 6354 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:03:10,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:03:11,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:03:11,066 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:03:11,066 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:03:11,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [17591051] [2022-07-22 23:03:11,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [17591051] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:03:11,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:03:11,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:03:11,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693843122] [2022-07-22 23:03:11,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:03:11,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:03:11,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:03:11,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:03:11,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:03:11,067 INFO L87 Difference]: Start difference. First operand 11775 states and 16997 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:03:13,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:03:14,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:03:14,048 INFO L93 Difference]: Finished difference Result 11777 states and 16998 transitions. [2022-07-22 23:03:14,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:03:14,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-07-22 23:03:14,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:03:14,123 INFO L225 Difference]: With dead ends: 11777 [2022-07-22 23:03:14,123 INFO L226 Difference]: Without dead ends: 11774 [2022-07-22 23:03:14,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:03:14,133 INFO L413 NwaCegarLoop]: 4175 mSDtfsCounter, 4161 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4161 SdHoareTripleChecker+Valid, 4177 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-22 23:03:14,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4161 Valid, 4177 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-22 23:03:14,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11774 states. [2022-07-22 23:03:14,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11774 to 11774. [2022-07-22 23:03:14,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11774 states, 7247 states have (on average 1.2311301228094385) internal successors, (8922), 7620 states have internal predecessors, (8922), 3525 states have call successors, (3525), 1010 states have call predecessors, (3525), 1001 states have return successors, (4548), 3375 states have call predecessors, (4548), 3483 states have call successors, (4548) [2022-07-22 23:03:14,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11774 states to 11774 states and 16995 transitions. [2022-07-22 23:03:14,528 INFO L78 Accepts]: Start accepts. Automaton has 11774 states and 16995 transitions. Word has length 18 [2022-07-22 23:03:14,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:03:14,528 INFO L495 AbstractCegarLoop]: Abstraction has 11774 states and 16995 transitions. [2022-07-22 23:03:14,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:03:14,529 INFO L276 IsEmpty]: Start isEmpty. Operand 11774 states and 16995 transitions. [2022-07-22 23:03:14,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-22 23:03:14,529 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:03:14,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:03:14,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-22 23:03:14,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:03:14,743 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:03:14,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:03:14,744 INFO L85 PathProgramCache]: Analyzing trace with hash 16650860, now seen corresponding path program 1 times [2022-07-22 23:03:14,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:03:14,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408580560] [2022-07-22 23:03:14,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:03:14,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:03:14,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:03:14,752 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:03:14,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-22 23:03:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:03:21,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 6355 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:03:21,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:03:21,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:03:21,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:03:21,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:03:21,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408580560] [2022-07-22 23:03:21,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408580560] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:03:21,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:03:21,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:03:21,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44340907] [2022-07-22 23:03:21,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:03:21,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:03:21,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:03:21,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:03:21,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:03:21,729 INFO L87 Difference]: Start difference. First operand 11774 states and 16995 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:03:24,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:03:25,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:03:25,189 INFO L93 Difference]: Finished difference Result 35144 states and 55104 transitions. [2022-07-22 23:03:25,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:03:25,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-07-22 23:03:25,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:03:25,299 INFO L225 Difference]: With dead ends: 35144 [2022-07-22 23:03:25,299 INFO L226 Difference]: Without dead ends: 23376 [2022-07-22 23:03:25,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:03:25,385 INFO L413 NwaCegarLoop]: 5742 mSDtfsCounter, 4261 mSDsluCounter, 4099 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4261 SdHoareTripleChecker+Valid, 9841 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-22 23:03:25,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4261 Valid, 9841 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-22 23:03:25,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23376 states. [2022-07-22 23:03:26,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23376 to 23336. [2022-07-22 23:03:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23336 states, 14383 states have (on average 1.2308280609052353) internal successors, (17703), 15112 states have internal predecessors, (17703), 6961 states have call successors, (6961), 2009 states have call predecessors, (6961), 1991 states have return successors, (10431), 6672 states have call predecessors, (10431), 6897 states have call successors, (10431) [2022-07-22 23:03:26,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23336 states to 23336 states and 35095 transitions. [2022-07-22 23:03:26,270 INFO L78 Accepts]: Start accepts. Automaton has 23336 states and 35095 transitions. Word has length 19 [2022-07-22 23:03:26,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:03:26,270 INFO L495 AbstractCegarLoop]: Abstraction has 23336 states and 35095 transitions. [2022-07-22 23:03:26,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 23:03:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 23336 states and 35095 transitions. [2022-07-22 23:03:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-22 23:03:26,273 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:03:26,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:03:26,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-22 23:03:26,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:03:26,479 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:03:26,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:03:26,480 INFO L85 PathProgramCache]: Analyzing trace with hash 514385050, now seen corresponding path program 1 times [2022-07-22 23:03:26,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:03:26,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660994291] [2022-07-22 23:03:26,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:03:26,487 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:03:26,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:03:26,488 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:03:26,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process