./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:20:22,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:20:22,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:20:22,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:20:22,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:20:22,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:20:22,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:20:22,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:20:22,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:20:22,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:20:22,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:20:22,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:20:22,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:20:22,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:20:22,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:20:22,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:20:22,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:20:22,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:20:22,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:20:22,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:20:22,719 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:20:22,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:20:22,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:20:22,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:20:22,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:20:22,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:20:22,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:20:22,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:20:22,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:20:22,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:20:22,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:20:22,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:20:22,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:20:22,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:20:22,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:20:22,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:20:22,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:20:22,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:20:22,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:20:22,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:20:22,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:20:22,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:20:22,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:20:22,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:20:22,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:20:22,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:20:22,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:20:22,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:20:22,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:20:22,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:20:22,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:20:22,772 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:20:22,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:20:22,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:20:22,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:20:22,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:20:22,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:20:22,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:20:22,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:20:22,774 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:20:22,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:20:22,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:20:22,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:20:22,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:20:22,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:20:22,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:20:22,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:20:22,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:20:22,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:20:22,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:20:22,777 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:20:22,777 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:20:22,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:20:22,777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f [2022-07-14 01:20:23,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:20:23,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:20:23,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:20:23,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:20:23,031 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:20:23,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-14 01:20:23,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/144ae2776/d078361889ed48269862638d6b61b91e/FLAG99e622a62 [2022-07-14 01:20:24,021 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:20:24,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-14 01:20:24,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/144ae2776/d078361889ed48269862638d6b61b91e/FLAG99e622a62 [2022-07-14 01:20:24,103 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/144ae2776/d078361889ed48269862638d6b61b91e [2022-07-14 01:20:24,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:20:24,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:20:24,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:20:24,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:20:24,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:20:24,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:20:24" (1/1) ... [2022-07-14 01:20:24,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae76414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:24, skipping insertion in model container [2022-07-14 01:20:24,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:20:24" (1/1) ... [2022-07-14 01:20:24,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:20:24,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:20:24,725 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-14 01:20:27,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[459385,459398] [2022-07-14 01:20:27,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:20:27,885 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:20:27,981 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-14 01:20:28,423 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) [2022-07-14 01:20:28,434 INFO L158 Benchmark]: Toolchain (without parser) took 4325.63ms. Allocated memory was 117.4MB in the beginning and 304.1MB in the end (delta: 186.6MB). Free memory was 82.4MB in the beginning and 195.6MB in the end (delta: -113.2MB). Peak memory consumption was 111.2MB. Max. memory is 16.1GB. [2022-07-14 01:20:28,435 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 01:20:28,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4323.85ms. Allocated memory was 117.4MB in the beginning and 304.1MB in the end (delta: 186.6MB). Free memory was 82.4MB in the beginning and 195.6MB in the end (delta: -113.2MB). Peak memory consumption was 111.2MB. Max. memory is 16.1GB. [2022-07-14 01:20:28,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4323.85ms. Allocated memory was 117.4MB in the beginning and 304.1MB in the end (delta: 186.6MB). Free memory was 82.4MB in the beginning and 195.6MB in the end (delta: -113.2MB). Peak memory consumption was 111.2MB. 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.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 d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:20:30,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:20:30,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:20:30,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:20:30,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:20:30,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:20:30,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:20:30,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:20:30,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:20:30,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:20:30,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:20:30,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:20:30,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:20:30,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:20:30,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:20:30,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:20:30,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:20:30,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:20:30,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:20:30,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:20:30,291 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:20:30,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:20:30,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:20:30,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:20:30,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:20:30,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:20:30,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:20:30,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:20:30,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:20:30,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:20:30,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:20:30,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:20:30,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:20:30,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:20:30,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:20:30,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:20:30,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:20:30,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:20:30,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:20:30,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:20:30,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:20:30,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:20:30,315 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 01:20:30,347 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:20:30,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:20:30,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:20:30,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:20:30,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:20:30,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:20:30,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:20:30,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:20:30,350 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:20:30,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:20:30,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:20:30,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:20:30,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:20:30,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:20:30,352 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 01:20:30,353 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 01:20:30,353 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 01:20:30,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:20:30,353 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:20:30,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:20:30,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:20:30,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:20:30,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:20:30,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:20:30,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:20:30,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:20:30,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:20:30,355 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 01:20:30,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 01:20:30,356 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:20:30,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:20:30,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:20:30,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 01:20:30,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f [2022-07-14 01:20:30,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:20:30,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:20:30,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:20:30,671 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:20:30,672 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:20:30,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-14 01:20:30,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/778596f7e/7d3756c56b174e4897ddb15f9205cacd/FLAGc2313014e [2022-07-14 01:20:31,680 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:20:31,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-14 01:20:31,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/778596f7e/7d3756c56b174e4897ddb15f9205cacd/FLAGc2313014e [2022-07-14 01:20:32,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/778596f7e/7d3756c56b174e4897ddb15f9205cacd [2022-07-14 01:20:32,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:20:32,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:20:32,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:20:32,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:20:32,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:20:32,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:20:32" (1/1) ... [2022-07-14 01:20:32,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24dc40ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:32, skipping insertion in model container [2022-07-14 01:20:32,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:20:32" (1/1) ... [2022-07-14 01:20:32,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:20:32,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:20:32,912 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-14 01:20:35,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[459385,459398] [2022-07-14 01:20:35,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:20:35,741 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 01:20:35,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:20:35,959 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-14 01:20:36,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[459385,459398] [2022-07-14 01:20:36,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:20:36,322 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:20:36,417 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-14 01:20:36,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[459385,459398] [2022-07-14 01:20:36,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:20:36,999 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:20:37,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:37 WrapperNode [2022-07-14 01:20:37,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:20:37,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:20:37,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:20:37,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:20:37,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:37" (1/1) ... [2022-07-14 01:20:37,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:37" (1/1) ... [2022-07-14 01:20:37,608 INFO L137 Inliner]: procedures = 442, calls = 6361, calls flagged for inlining = 129, calls inlined = 123, statements flattened = 13972 [2022-07-14 01:20:37,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:20:37,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:20:37,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:20:37,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:20:37,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:37" (1/1) ... [2022-07-14 01:20:37,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:37" (1/1) ... [2022-07-14 01:20:37,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:37" (1/1) ... [2022-07-14 01:20:37,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:37" (1/1) ... [2022-07-14 01:20:37,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:37" (1/1) ... [2022-07-14 01:20:37,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:37" (1/1) ... [2022-07-14 01:20:38,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:37" (1/1) ... [2022-07-14 01:20:38,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:20:38,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:20:38,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:20:38,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:20:38,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:37" (1/1) ... [2022-07-14 01:20:38,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:20:38,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:20:38,121 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) [2022-07-14 01:20:38,146 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 [2022-07-14 01:20:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 01:20:38,161 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 01:20:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-14 01:20:38,161 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-14 01:20:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-14 01:20:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-14 01:20:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:20:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:20:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 01:20:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 01:20:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-14 01:20:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-14 01:20:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-14 01:20:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-14 01:20:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-14 01:20:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-14 01:20:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-14 01:20:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-14 01:20:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-14 01:20:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-14 01:20:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-14 01:20:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-14 01:20:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 01:20:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 01:20:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-14 01:20:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-14 01:20:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-14 01:20:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-14 01:20:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 01:20:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 01:20:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-14 01:20:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-14 01:20:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:20:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 01:20:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 01:20:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-14 01:20:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-14 01:20:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-14 01:20:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-14 01:20:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-14 01:20:38,168 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-14 01:20:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-14 01:20:38,168 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-14 01:20:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-14 01:20:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-14 01:20:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-14 01:20:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-14 01:20:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-14 01:20:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-14 01:20:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-14 01:20:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-14 01:20:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-14 01:20:38,171 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-14 01:20:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-14 01:20:38,171 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-14 01:20:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-14 01:20:38,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-14 01:20:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-14 01:20:38,172 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-14 01:20:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-14 01:20:38,172 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-14 01:20:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-14 01:20:38,173 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-14 01:20:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-14 01:20:38,173 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-14 01:20:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-14 01:20:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-14 01:20:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-14 01:20:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-14 01:20:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 01:20:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 01:20:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-14 01:20:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-14 01:20:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:20:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:20:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-14 01:20:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-14 01:20:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-14 01:20:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-14 01:20:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-14 01:20:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-14 01:20:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:20:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-14 01:20:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-14 01:20:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:20:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 01:20:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 01:20:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:20:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 01:20:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 01:20:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 01:20:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-14 01:20:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-14 01:20:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 01:20:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-07-14 01:20:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-07-14 01:20:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-14 01:20:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-14 01:20:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-14 01:20:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-14 01:20:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-14 01:20:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-14 01:20:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-14 01:20:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-14 01:20:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-14 01:20:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-14 01:20:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 01:20:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 01:20:38,183 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-14 01:20:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-14 01:20:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-14 01:20:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-14 01:20:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 01:20:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 01:20:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-14 01:20:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-14 01:20:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 01:20:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-14 01:20:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-14 01:20:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-14 01:20:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-14 01:20:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:20:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:20:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 01:20:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 01:20:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-14 01:20:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-14 01:20:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 01:20:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-14 01:20:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-14 01:20:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 01:20:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 01:20:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 01:20:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:20:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:20:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-14 01:20:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-14 01:20:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-14 01:20:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-14 01:20:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-14 01:20:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-14 01:20:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 01:20:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 01:20:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-14 01:20:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-14 01:20:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-14 01:20:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-14 01:20:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-14 01:20:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-14 01:20:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 01:20:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 01:20:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:20:38,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:20:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-14 01:20:38,198 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-14 01:20:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 01:20:38,198 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 01:20:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 01:20:38,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 01:20:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:20:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:20:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-14 01:20:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-14 01:20:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-14 01:20:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-14 01:20:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-14 01:20:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-14 01:20:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_work_handler [2022-07-14 01:20:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_work_handler [2022-07-14 01:20:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:20:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 01:20:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 01:20:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-14 01:20:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-14 01:20:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:20:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-14 01:20:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-14 01:20:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-14 01:20:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-14 01:20:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-14 01:20:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-14 01:20:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 01:20:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-14 01:20:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-14 01:20:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 01:20:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 01:20:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 01:20:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:20:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_notify [2022-07-14 01:20:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_notify [2022-07-14 01:20:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-14 01:20:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-14 01:20:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-14 01:20:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-14 01:20:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-14 01:20:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-14 01:20:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 01:20:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 01:20:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 01:20:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 01:20:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-14 01:20:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-14 01:20:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-14 01:20:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-14 01:20:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-14 01:20:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-14 01:20:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-14 01:20:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-14 01:20:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-14 01:20:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-14 01:20:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-14 01:20:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-14 01:20:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-14 01:20:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-14 01:20:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-14 01:20:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-14 01:20:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-14 01:20:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-14 01:20:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-14 01:20:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-14 01:20:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-14 01:20:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-14 01:20:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-14 01:20:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-14 01:20:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 01:20:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 01:20:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-14 01:20:38,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-14 01:20:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 01:20:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-14 01:20:38,208 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-14 01:20:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 01:20:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-14 01:20:38,209 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-14 01:20:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-14 01:20:38,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-14 01:20:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-14 01:20:38,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-14 01:20:38,213 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-14 01:20:38,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-14 01:20:38,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:20:38,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:20:38,213 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-14 01:20:38,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-14 01:20:38,214 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-14 01:20:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-14 01:20:38,215 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-14 01:20:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-14 01:20:38,215 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-14 01:20:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-14 01:20:38,215 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-14 01:20:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-14 01:20:38,216 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-14 01:20:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-14 01:20:38,216 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-14 01:20:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-14 01:20:38,216 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-14 01:20:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-14 01:20:38,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-14 01:20:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-14 01:20:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-14 01:20:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-14 01:20:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-14 01:20:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-14 01:20:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-14 01:20:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-14 01:20:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-14 01:20:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-14 01:20:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-14 01:20:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-14 01:20:39,439 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:20:39,442 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:20:42,809 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:23:47,085 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:23:47,126 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:23:47,127 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 01:23:47,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:23:47 BoogieIcfgContainer [2022-07-14 01:23:47,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:23:47,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:23:47,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:23:47,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:23:47,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:20:32" (1/3) ... [2022-07-14 01:23:47,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee51857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:23:47, skipping insertion in model container [2022-07-14 01:23:47,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:20:37" (2/3) ... [2022-07-14 01:23:47,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee51857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:23:47, skipping insertion in model container [2022-07-14 01:23:47,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:23:47" (3/3) ... [2022-07-14 01:23:47,150 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-14 01:23:47,163 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:23:47,163 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:23:47,369 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:23:47,378 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@3c445779, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@50f1682c [2022-07-14 01:23:47,379 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:23:47,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 8702 states, 4997 states have (on average 1.1885131078647189) internal successors, (5939), 5043 states have internal predecessors, (5939), 3584 states have call successors, (3584), 120 states have call predecessors, (3584), 119 states have return successors, (3569), 3561 states have call predecessors, (3569), 3569 states have call successors, (3569) [2022-07-14 01:23:47,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-14 01:23:47,441 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:23:47,443 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:23:47,443 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:23:47,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:23:47,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1030560293, now seen corresponding path program 1 times [2022-07-14 01:23:47,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:23:47,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1891465474] [2022-07-14 01:23:47,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:23:47,467 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:23:47,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:23:47,476 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) [2022-07-14 01:23:47,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 01:23:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:23:49,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-14 01:23:49,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:23:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2022-07-14 01:23:49,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:23:49,944 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:23:49,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1891465474] [2022-07-14 01:23:49,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1891465474] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:23:49,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:23:49,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 01:23:49,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168849385] [2022-07-14 01:23:49,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:23:49,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 01:23:49,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:23:49,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 01:23:49,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 01:23:50,009 INFO L87 Difference]: Start difference. First operand has 8702 states, 4997 states have (on average 1.1885131078647189) internal successors, (5939), 5043 states have internal predecessors, (5939), 3584 states have call successors, (3584), 120 states have call predecessors, (3584), 119 states have return successors, (3569), 3561 states have call predecessors, (3569), 3569 states have call successors, (3569) Second operand has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 01:23:50,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:23:50,602 INFO L93 Difference]: Finished difference Result 17399 states and 26261 transitions. [2022-07-14 01:23:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 01:23:50,604 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 458 [2022-07-14 01:23:50,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:23:50,710 INFO L225 Difference]: With dead ends: 17399 [2022-07-14 01:23:50,710 INFO L226 Difference]: Without dead ends: 8680 [2022-07-14 01:23:50,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 457 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 01:23:50,800 INFO L413 NwaCegarLoop]: 13079 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13079 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 01:23:50,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13079 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 01:23:50,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8680 states. [2022-07-14 01:23:54,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8680 to 8680. [2022-07-14 01:23:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8680 states, 4992 states have (on average 1.1850961538461537) internal successors, (5916), 5021 states have internal predecessors, (5916), 3569 states have call successors, (3569), 119 states have call predecessors, (3569), 118 states have return successors, (3559), 3551 states have call predecessors, (3559), 3559 states have call successors, (3559) [2022-07-14 01:23:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8680 states to 8680 states and 13044 transitions. [2022-07-14 01:23:54,153 INFO L78 Accepts]: Start accepts. Automaton has 8680 states and 13044 transitions. Word has length 458 [2022-07-14 01:23:54,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:23:54,155 INFO L495 AbstractCegarLoop]: Abstraction has 8680 states and 13044 transitions. [2022-07-14 01:23:54,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 01:23:54,156 INFO L276 IsEmpty]: Start isEmpty. Operand 8680 states and 13044 transitions. [2022-07-14 01:23:54,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-14 01:23:54,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:23:54,169 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:23:54,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 01:23:54,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:23:54,383 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:23:54,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:23:54,383 INFO L85 PathProgramCache]: Analyzing trace with hash -273770679, now seen corresponding path program 1 times [2022-07-14 01:23:54,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:23:54,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [856847542] [2022-07-14 01:23:54,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:23:54,387 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:23:54,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:23:54,390 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) [2022-07-14 01:23:54,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 01:23:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:23:57,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 01:23:57,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:23:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 2736 trivial. 0 not checked. [2022-07-14 01:23:58,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:23:58,221 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:23:58,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [856847542] [2022-07-14 01:23:58,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [856847542] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:23:58,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:23:58,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:23:58,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748753132] [2022-07-14 01:23:58,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:23:58,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:23:58,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:23:58,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:23:58,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:23:58,225 INFO L87 Difference]: Start difference. First operand 8680 states and 13044 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-14 01:24:01,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:24:01,474 INFO L93 Difference]: Finished difference Result 17326 states and 26059 transitions. [2022-07-14 01:24:01,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 01:24:01,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 458 [2022-07-14 01:24:01,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:24:01,560 INFO L225 Difference]: With dead ends: 17326 [2022-07-14 01:24:01,560 INFO L226 Difference]: Without dead ends: 8681 [2022-07-14 01:24:01,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:24:01,625 INFO L413 NwaCegarLoop]: 13026 mSDtfsCounter, 6 mSDsluCounter, 52063 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 65089 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 01:24:01,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 65089 Invalid, 142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 01:24:01,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8681 states. [2022-07-14 01:24:04,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8681 to 8681. [2022-07-14 01:24:04,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8681 states, 4993 states have (on average 1.185059082715802) internal successors, (5917), 5022 states have internal predecessors, (5917), 3569 states have call successors, (3569), 119 states have call predecessors, (3569), 118 states have return successors, (3559), 3551 states have call predecessors, (3559), 3559 states have call successors, (3559) [2022-07-14 01:24:04,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8681 states to 8681 states and 13045 transitions. [2022-07-14 01:24:04,380 INFO L78 Accepts]: Start accepts. Automaton has 8681 states and 13045 transitions. Word has length 458 [2022-07-14 01:24:04,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:24:04,384 INFO L495 AbstractCegarLoop]: Abstraction has 8681 states and 13045 transitions. [2022-07-14 01:24:04,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-14 01:24:04,385 INFO L276 IsEmpty]: Start isEmpty. Operand 8681 states and 13045 transitions. [2022-07-14 01:24:04,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-07-14 01:24:04,392 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:24:04,392 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:24:04,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 01:24:04,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:24:04,608 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:24:04,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:24:04,608 INFO L85 PathProgramCache]: Analyzing trace with hash 2004782655, now seen corresponding path program 1 times [2022-07-14 01:24:04,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:24:04,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948358331] [2022-07-14 01:24:04,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:24:04,612 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:24:04,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:24:04,615 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) [2022-07-14 01:24:04,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 01:24:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:24:07,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 3443 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 01:24:07,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:24:08,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 144 proven. 1 refuted. 0 times theorem prover too weak. 2946 trivial. 0 not checked. [2022-07-14 01:24:08,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:24:12,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2022-07-14 01:24:12,030 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:24:12,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948358331] [2022-07-14 01:24:12,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [948358331] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:24:12,031 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:24:12,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 01:24:12,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046333203] [2022-07-14 01:24:12,031 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:24:12,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 01:24:12,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:24:12,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 01:24:12,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 01:24:12,034 INFO L87 Difference]: Start difference. First operand 8681 states and 13045 transitions. Second operand has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2022-07-14 01:24:17,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:24:17,800 INFO L93 Difference]: Finished difference Result 17333 states and 26067 transitions. [2022-07-14 01:24:17,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 01:24:17,802 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) Word has length 471 [2022-07-14 01:24:17,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:24:17,901 INFO L225 Difference]: With dead ends: 17333 [2022-07-14 01:24:17,901 INFO L226 Difference]: Without dead ends: 8687 [2022-07-14 01:24:17,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 931 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-14 01:24:17,947 INFO L413 NwaCegarLoop]: 13027 mSDtfsCounter, 8 mSDsluCounter, 91117 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 104144 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-14 01:24:17,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 104144 Invalid, 249 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [25 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-14 01:24:17,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8687 states. [2022-07-14 01:24:20,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8687 to 8687. [2022-07-14 01:24:20,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8687 states, 4997 states have (on average 1.1849109465679408) internal successors, (5921), 5026 states have internal predecessors, (5921), 3570 states have call successors, (3570), 120 states have call predecessors, (3570), 119 states have return successors, (3560), 3552 states have call predecessors, (3560), 3560 states have call successors, (3560) [2022-07-14 01:24:20,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8687 states to 8687 states and 13051 transitions. [2022-07-14 01:24:20,716 INFO L78 Accepts]: Start accepts. Automaton has 8687 states and 13051 transitions. Word has length 471 [2022-07-14 01:24:20,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:24:20,718 INFO L495 AbstractCegarLoop]: Abstraction has 8687 states and 13051 transitions. [2022-07-14 01:24:20,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2022-07-14 01:24:20,719 INFO L276 IsEmpty]: Start isEmpty. Operand 8687 states and 13051 transitions. [2022-07-14 01:24:20,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-14 01:24:20,727 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:24:20,728 INFO L195 NwaCegarLoop]: trace histogram [26, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:24:20,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 01:24:20,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:24:20,948 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:24:20,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:24:20,948 INFO L85 PathProgramCache]: Analyzing trace with hash 990167561, now seen corresponding path program 2 times [2022-07-14 01:24:20,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:24:20,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592087003] [2022-07-14 01:24:20,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:24:20,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:24:20,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:24:20,955 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) [2022-07-14 01:24:20,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 01:24:22,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:24:22,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:24:22,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 2045 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 01:24:22,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:24:23,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2022-07-14 01:24:23,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:24:23,296 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:24:23,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592087003] [2022-07-14 01:24:23,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1592087003] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:24:23,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:24:23,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 01:24:23,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356504811] [2022-07-14 01:24:23,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:24:23,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:24:23,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:24:23,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:24:23,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:24:23,298 INFO L87 Difference]: Start difference. First operand 8687 states and 13051 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2022-07-14 01:24:25,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:24:26,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:24:26,197 INFO L93 Difference]: Finished difference Result 25868 states and 38881 transitions. [2022-07-14 01:24:26,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:24:26,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 484 [2022-07-14 01:24:26,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:24:26,317 INFO L225 Difference]: With dead ends: 25868 [2022-07-14 01:24:26,317 INFO L226 Difference]: Without dead ends: 17254 [2022-07-14 01:24:26,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:24:26,375 INFO L413 NwaCegarLoop]: 16578 mSDtfsCounter, 12866 mSDsluCounter, 13030 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12866 SdHoareTripleChecker+Valid, 29608 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 01:24:26,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12866 Valid, 29608 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 01:24:26,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17254 states.