./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-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 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:31:36,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:31:36,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:31:36,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:31:36,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:31:36,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:31:36,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:31:36,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:31:36,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:31:36,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:31:36,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:31:36,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:31:36,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:31:36,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:31:36,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:31:36,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:31:36,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:31:36,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:31:36,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:31:36,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:31:36,715 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:31:36,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:31:36,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:31:36,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:31:36,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:31:36,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:31:36,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:31:36,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:31:36,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:31:36,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:31:36,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:31:36,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:31:36,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:31:36,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:31:36,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:31:36,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:31:36,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:31:36,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:31:36,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:31:36,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:31:36,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:31:36,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:31:36,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:31:36,763 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:31:36,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:31:36,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:31:36,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:31:36,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:31:36,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:31:36,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:31:36,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:31:36,767 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:31:36,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:31:36,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:31:36,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:31:36,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:31:36,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:31:36,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:31:36,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:31:36,769 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:31:36,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:31:36,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:31:36,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:31:36,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:31:36,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:31:36,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:31:36,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:31:36,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:31:36,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:31:36,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:31:36,772 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:31:36,772 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:31:36,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:31:36,772 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea [2022-07-23 00:31:36,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:31:36,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:31:36,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:31:36,999 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:31:36,999 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:31:37,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-23 00:31:37,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/890c50208/383856b71944459ca2deabd874f06022/FLAG6bb24c8c3 [2022-07-23 00:31:37,754 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:31:37,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-23 00:31:37,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/890c50208/383856b71944459ca2deabd874f06022/FLAG6bb24c8c3 [2022-07-23 00:31:38,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/890c50208/383856b71944459ca2deabd874f06022 [2022-07-23 00:31:38,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:31:38,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:31:38,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:31:38,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:31:38,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:31:38,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:31:38" (1/1) ... [2022-07-23 00:31:38,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ee11ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:38, skipping insertion in model container [2022-07-23 00:31:38,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:31:38" (1/1) ... [2022-07-23 00:31:38,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:31:38,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:31:38,542 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-23 00:31:40,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-23 00:31:40,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:31:40,357 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:31:40,417 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-23 00:31:40,771 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) [2022-07-23 00:31:40,780 INFO L158 Benchmark]: Toolchain (without parser) took 2735.67ms. Allocated memory was 121.6MB in the beginning and 278.9MB in the end (delta: 157.3MB). Free memory was 84.1MB in the beginning and 179.6MB in the end (delta: -95.5MB). Peak memory consumption was 109.7MB. Max. memory is 16.1GB. [2022-07-23 00:31:40,782 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory was 61.4MB in the beginning and 61.4MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 00:31:40,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2732.39ms. Allocated memory was 121.6MB in the beginning and 278.9MB in the end (delta: 157.3MB). Free memory was 84.1MB in the beginning and 179.6MB in the end (delta: -95.5MB). Peak memory consumption was 109.7MB. Max. memory is 16.1GB. [2022-07-23 00:31:40,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory was 61.4MB in the beginning and 61.4MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2732.39ms. Allocated memory was 121.6MB in the beginning and 278.9MB in the end (delta: 157.3MB). Free memory was 84.1MB in the beginning and 179.6MB in the end (delta: -95.5MB). Peak memory consumption was 109.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-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 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:31:42,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:31:42,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:31:42,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:31:42,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:31:42,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:31:42,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:31:42,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:31:42,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:31:42,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:31:42,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:31:42,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:31:42,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:31:42,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:31:42,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:31:42,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:31:42,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:31:42,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:31:42,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:31:42,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:31:42,311 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:31:42,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:31:42,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:31:42,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:31:42,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:31:42,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:31:42,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:31:42,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:31:42,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:31:42,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:31:42,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:31:42,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:31:42,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:31:42,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:31:42,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:31:42,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:31:42,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:31:42,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:31:42,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:31:42,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:31:42,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:31:42,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:31:42,343 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 00:31:42,370 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:31:42,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:31:42,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:31:42,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:31:42,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:31:42,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:31:42,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:31:42,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:31:42,372 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:31:42,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:31:42,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:31:42,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:31:42,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:31:42,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:31:42,374 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 00:31:42,374 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 00:31:42,374 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 00:31:42,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:31:42,375 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:31:42,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:31:42,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:31:42,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:31:42,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:31:42,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:31:42,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:31:42,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:31:42,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:31:42,376 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 00:31:42,376 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 00:31:42,377 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:31:42,377 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:31:42,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:31:42,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 00:31:42,377 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea [2022-07-23 00:31:42,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:31:42,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:31:42,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:31:42,698 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:31:42,698 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:31:42,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-23 00:31:42,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2b53dbde/2e6102a4a6504620b979e8e03e51e52e/FLAG9f3999fa8 [2022-07-23 00:31:43,392 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:31:43,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-23 00:31:43,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2b53dbde/2e6102a4a6504620b979e8e03e51e52e/FLAG9f3999fa8 [2022-07-23 00:31:43,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2b53dbde/2e6102a4a6504620b979e8e03e51e52e [2022-07-23 00:31:43,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:31:43,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:31:43,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:31:43,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:31:43,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:31:43,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:31:43" (1/1) ... [2022-07-23 00:31:43,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87a6cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:43, skipping insertion in model container [2022-07-23 00:31:43,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:31:43" (1/1) ... [2022-07-23 00:31:43,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:31:43,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:31:44,021 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-23 00:31:45,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-23 00:31:45,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:31:45,771 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 00:31:45,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:31:45,865 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-23 00:31:46,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-23 00:31:46,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:31:46,233 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:31:46,333 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-23 00:31:46,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-23 00:31:46,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:31:46,812 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:31:46,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:46 WrapperNode [2022-07-23 00:31:46,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:31:46,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:31:46,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:31:46,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:31:46,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:46" (1/1) ... [2022-07-23 00:31:46,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:46" (1/1) ... [2022-07-23 00:31:47,200 INFO L137 Inliner]: procedures = 322, calls = 6141, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 13824 [2022-07-23 00:31:47,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:31:47,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:31:47,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:31:47,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:31:47,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:46" (1/1) ... [2022-07-23 00:31:47,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:46" (1/1) ... [2022-07-23 00:31:47,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:46" (1/1) ... [2022-07-23 00:31:47,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:46" (1/1) ... [2022-07-23 00:31:47,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:46" (1/1) ... [2022-07-23 00:31:47,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:46" (1/1) ... [2022-07-23 00:31:47,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:46" (1/1) ... [2022-07-23 00:31:47,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:31:47,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:31:47,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:31:47,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:31:47,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:46" (1/1) ... [2022-07-23 00:31:47,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:31:47,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:31:47,541 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) [2022-07-23 00:31:47,559 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 [2022-07-23 00:31:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 00:31:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 00:31:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-23 00:31:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-23 00:31:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-23 00:31:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-23 00:31:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 00:31:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 00:31:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-23 00:31:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-23 00:31:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 00:31:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-23 00:31:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-23 00:31:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:31:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 00:31:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:31:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:31:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:31:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:31:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:31:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-23 00:31:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-23 00:31:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-23 00:31:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-23 00:31:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-23 00:31:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-23 00:31:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 00:31:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 00:31:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-23 00:31:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-23 00:31:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:31:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:31:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-23 00:31:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-23 00:31:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-23 00:31:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-23 00:31:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-23 00:31:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-23 00:31:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-23 00:31:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-23 00:31:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-23 00:31:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-23 00:31:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:31:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:31:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:31:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:31:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-23 00:31:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-23 00:31:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-23 00:31:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-23 00:31:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-23 00:31:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-23 00:31:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-23 00:31:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-23 00:31:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 00:31:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 00:31:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:31:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:31:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:31:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:31:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-23 00:31:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-23 00:31:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-23 00:31:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-23 00:31:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 00:31:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 00:31:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_work_handler [2022-07-23 00:31:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_work_handler [2022-07-23 00:31:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:31:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 00:31:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 00:31:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-23 00:31:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-23 00:31:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:31:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-23 00:31:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-23 00:31:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-23 00:31:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-23 00:31:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-23 00:31:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-23 00:31:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 00:31:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 00:31:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-23 00:31:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-23 00:31:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-23 00:31:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-23 00:31:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-23 00:31:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-23 00:31:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 00:31:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-23 00:31:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-23 00:31:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 00:31:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 00:31:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:31:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 00:31:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:31:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_notify [2022-07-23 00:31:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_notify [2022-07-23 00:31:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 00:31:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 00:31:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-23 00:31:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-23 00:31:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-23 00:31:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-23 00:31:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-23 00:31:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-23 00:31:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 00:31:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 00:31:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 00:31:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 00:31:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-23 00:31:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-23 00:31:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-23 00:31:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-23 00:31:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 00:31:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 00:31:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-23 00:31:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-23 00:31:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-23 00:31:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-23 00:31:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-23 00:31:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-23 00:31:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-23 00:31:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-23 00:31:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-23 00:31:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-23 00:31:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-23 00:31:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-23 00:31:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-23 00:31:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-23 00:31:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-23 00:31:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-23 00:31:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-23 00:31:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-23 00:31:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-23 00:31:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-23 00:31:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-23 00:31:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-23 00:31:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-23 00:31:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-23 00:31:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-23 00:31:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-23 00:31:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-23 00:31:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-23 00:31:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-23 00:31:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-23 00:31:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-23 00:31:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-23 00:31:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-23 00:31:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-23 00:31:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-23 00:31:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-23 00:31:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-23 00:31:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-23 00:31:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-23 00:31:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-23 00:31:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-23 00:31:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-23 00:31:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-23 00:31:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-23 00:31:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-23 00:31:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-23 00:31:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-23 00:31:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-23 00:31:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-23 00:31:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-23 00:31:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 00:31:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 00:31:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-23 00:31:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-23 00:31:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 00:31:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-23 00:31:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-23 00:31:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-23 00:31:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-23 00:31:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 00:31:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 00:31:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 00:31:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-23 00:31:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-23 00:31:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-23 00:31:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-23 00:31:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:31:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:31:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-23 00:31:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-23 00:31:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-23 00:31:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-23 00:31:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-23 00:31:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-23 00:31:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-23 00:31:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-23 00:31:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:31:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-23 00:31:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-23 00:31:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:31:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:31:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:31:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 00:31:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 00:31:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:31:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 00:31:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-23 00:31:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-23 00:31:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-23 00:31:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-23 00:31:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 00:31:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 00:31:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-23 00:31:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-23 00:31:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 00:31:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-07-23 00:31:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-07-23 00:31:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-23 00:31:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-23 00:31:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-23 00:31:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-23 00:31:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-23 00:31:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-23 00:31:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-23 00:31:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-23 00:31:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-23 00:31:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-23 00:31:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-23 00:31:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-23 00:31:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-23 00:31:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-23 00:31:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-23 00:31:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-23 00:31:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-23 00:31:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-23 00:31:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 00:31:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 00:31:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-23 00:31:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-23 00:31:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-23 00:31:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-23 00:31:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-23 00:31:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-23 00:31:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-23 00:31:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-23 00:31:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 00:31:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 00:31:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-23 00:31:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-23 00:31:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 00:31:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-23 00:31:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-23 00:31:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-23 00:31:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-23 00:31:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-23 00:31:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-23 00:31:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-23 00:31:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-23 00:31:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:31:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:31:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-23 00:31:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-23 00:31:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-23 00:31:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-23 00:31:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-23 00:31:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-23 00:31:48,668 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:31:48,672 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:31:52,318 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:34:37,350 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:34:37,384 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:34:37,385 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:34:37,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:34:37 BoogieIcfgContainer [2022-07-23 00:34:37,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:34:37,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:34:37,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:34:37,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:34:37,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:31:43" (1/3) ... [2022-07-23 00:34:37,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370a90ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:34:37, skipping insertion in model container [2022-07-23 00:34:37,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:31:46" (2/3) ... [2022-07-23 00:34:37,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370a90ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:34:37, skipping insertion in model container [2022-07-23 00:34:37,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:34:37" (3/3) ... [2022-07-23 00:34:37,400 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-23 00:34:37,410 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:34:37,411 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:34:37,550 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:34:37,554 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@5c771d3e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5a581a57 [2022-07-23 00:34:37,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:34:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 8650 states, 4970 states have (on average 1.1877263581488933) internal successors, (5903), 5007 states have internal predecessors, (5903), 3563 states have call successors, (3563), 116 states have call predecessors, (3563), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) [2022-07-23 00:34:37,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-23 00:34:37,596 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:34:37,597 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] [2022-07-23 00:34:37,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:34:37,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:34:37,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2043482198, now seen corresponding path program 1 times [2022-07-23 00:34:37,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:34:37,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457036615] [2022-07-23 00:34:37,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:34:37,615 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:34:37,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:34:37,617 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) [2022-07-23 00:34:37,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 00:34:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:34:39,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 3295 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-23 00:34:39,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:34:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2022-07-23 00:34:39,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:34:39,811 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:34:39,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [457036615] [2022-07-23 00:34:39,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [457036615] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:34:39,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:34:39,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 00:34:39,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419396741] [2022-07-23 00:34:39,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:34:39,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 00:34:39,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:34:39,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 00:34:39,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 00:34:39,870 INFO L87 Difference]: Start difference. First operand has 8650 states, 4970 states have (on average 1.1877263581488933) internal successors, (5903), 5007 states have internal predecessors, (5903), 3563 states have call successors, (3563), 116 states have call predecessors, (3563), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) 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) [2022-07-23 00:34:40,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:34:40,228 INFO L93 Difference]: Finished difference Result 17295 states and 26077 transitions. [2022-07-23 00:34:40,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 00:34:40,230 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 [2022-07-23 00:34:40,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:34:40,303 INFO L225 Difference]: With dead ends: 17295 [2022-07-23 00:34:40,303 INFO L226 Difference]: Without dead ends: 8628 [2022-07-23 00:34:40,366 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 [2022-07-23 00:34:40,369 INFO L413 NwaCegarLoop]: 13010 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, 13010 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 [2022-07-23 00:34:40,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13010 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 00:34:40,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8628 states. [2022-07-23 00:34:43,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8628 to 8628. [2022-07-23 00:34:43,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8628 states, 4965 states have (on average 1.1842900302114803) internal successors, (5880), 4985 states have internal predecessors, (5880), 3548 states have call successors, (3548), 115 states have call predecessors, (3548), 114 states have return successors, (3547), 3539 states have call predecessors, (3547), 3547 states have call successors, (3547) [2022-07-23 00:34:43,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8628 states to 8628 states and 12975 transitions. [2022-07-23 00:34:43,372 INFO L78 Accepts]: Start accepts. Automaton has 8628 states and 12975 transitions. Word has length 458 [2022-07-23 00:34:43,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:34:43,374 INFO L495 AbstractCegarLoop]: Abstraction has 8628 states and 12975 transitions. [2022-07-23 00:34:43,375 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) [2022-07-23 00:34:43,375 INFO L276 IsEmpty]: Start isEmpty. Operand 8628 states and 12975 transitions. [2022-07-23 00:34:43,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-23 00:34:43,385 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:34:43,386 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] [2022-07-23 00:34:43,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 00:34:43,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:34:43,605 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:34:43,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:34:43,606 INFO L85 PathProgramCache]: Analyzing trace with hash 739151226, now seen corresponding path program 1 times [2022-07-23 00:34:43,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:34:43,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811650980] [2022-07-23 00:34:43,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:34:43,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:34:43,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:34:43,611 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) [2022-07-23 00:34:43,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 00:34:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:34:45,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 3295 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 00:34:45,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:34:46,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 2736 trivial. 0 not checked. [2022-07-23 00:34:46,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:34:46,378 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:34:46,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811650980] [2022-07-23 00:34:46,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811650980] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:34:46,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:34:46,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:34:46,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77320586] [2022-07-23 00:34:46,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:34:46,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:34:46,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:34:46,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:34:46,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:34:46,383 INFO L87 Difference]: Start difference. First operand 8628 states and 12975 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) [2022-07-23 00:34:49,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:34:49,094 INFO L93 Difference]: Finished difference Result 17222 states and 25921 transitions. [2022-07-23 00:34:49,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 00:34:49,096 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 [2022-07-23 00:34:49,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:34:49,163 INFO L225 Difference]: With dead ends: 17222 [2022-07-23 00:34:49,164 INFO L226 Difference]: Without dead ends: 8629 [2022-07-23 00:34:49,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:34:49,219 INFO L413 NwaCegarLoop]: 12957 mSDtfsCounter, 6 mSDsluCounter, 51787 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 64744 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:34:49,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 64744 Invalid, 142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 00:34:49,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8629 states. [2022-07-23 00:34:51,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8629 to 8629. [2022-07-23 00:34:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8629 states, 4966 states have (on average 1.184252919855014) internal successors, (5881), 4986 states have internal predecessors, (5881), 3548 states have call successors, (3548), 115 states have call predecessors, (3548), 114 states have return successors, (3547), 3539 states have call predecessors, (3547), 3547 states have call successors, (3547) [2022-07-23 00:34:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8629 states to 8629 states and 12976 transitions. [2022-07-23 00:34:51,874 INFO L78 Accepts]: Start accepts. Automaton has 8629 states and 12976 transitions. Word has length 458 [2022-07-23 00:34:51,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:34:51,878 INFO L495 AbstractCegarLoop]: Abstraction has 8629 states and 12976 transitions. [2022-07-23 00:34:51,878 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) [2022-07-23 00:34:51,878 INFO L276 IsEmpty]: Start isEmpty. Operand 8629 states and 12976 transitions. [2022-07-23 00:34:51,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-07-23 00:34:51,885 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:34:51,885 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] [2022-07-23 00:34:51,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 00:34:52,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:34:52,100 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:34:52,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:34:52,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1444156937, now seen corresponding path program 1 times [2022-07-23 00:34:52,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:34:52,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398445252] [2022-07-23 00:34:52,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:34:52,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:34:52,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:34:52,107 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) [2022-07-23 00:34:52,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 00:34:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:34:54,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 3438 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 00:34:54,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:34:55,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 144 proven. 1 refuted. 0 times theorem prover too weak. 2946 trivial. 0 not checked. [2022-07-23 00:34:55,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:34:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2022-07-23 00:34:58,068 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:34:58,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398445252] [2022-07-23 00:34:58,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398445252] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:34:58,068 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 00:34:58,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-23 00:34:58,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209814585] [2022-07-23 00:34:58,069 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 00:34:58,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 00:34:58,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:34:58,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 00:34:58,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:34:58,072 INFO L87 Difference]: Start difference. First operand 8629 states and 12976 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) [2022-07-23 00:35:01,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:35:01,847 INFO L93 Difference]: Finished difference Result 17229 states and 25929 transitions. [2022-07-23 00:35:01,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 00:35:01,849 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 [2022-07-23 00:35:01,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:35:01,921 INFO L225 Difference]: With dead ends: 17229 [2022-07-23 00:35:01,921 INFO L226 Difference]: Without dead ends: 8635 [2022-07-23 00:35:01,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 931 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-23 00:35:01,966 INFO L413 NwaCegarLoop]: 12958 mSDtfsCounter, 10 mSDsluCounter, 64744 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 77702 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:35:01,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 77702 Invalid, 200 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-23 00:35:01,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8635 states. [2022-07-23 00:35:04,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8635 to 8635. [2022-07-23 00:35:04,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8635 states, 4970 states have (on average 1.1841046277665996) internal successors, (5885), 4990 states have internal predecessors, (5885), 3549 states have call successors, (3549), 116 states have call predecessors, (3549), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) [2022-07-23 00:35:04,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8635 states to 8635 states and 12982 transitions. [2022-07-23 00:35:04,578 INFO L78 Accepts]: Start accepts. Automaton has 8635 states and 12982 transitions. Word has length 471 [2022-07-23 00:35:04,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:35:04,580 INFO L495 AbstractCegarLoop]: Abstraction has 8635 states and 12982 transitions. [2022-07-23 00:35:04,580 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) [2022-07-23 00:35:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 8635 states and 12982 transitions. [2022-07-23 00:35:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-23 00:35:04,586 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:35:04,587 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] [2022-07-23 00:35:04,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 00:35:04,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:35:04,800 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:35:04,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:35:04,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1704583322, now seen corresponding path program 2 times [2022-07-23 00:35:04,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:35:04,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554967302] [2022-07-23 00:35:04,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 00:35:04,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:35:04,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:35:04,803 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) [2022-07-23 00:35:04,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 00:35:06,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 00:35:06,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 00:35:06,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 2040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 00:35:06,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:35:06,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2022-07-23 00:35:06,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:35:06,828 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:35:06,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554967302] [2022-07-23 00:35:06,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [554967302] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:35:06,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:35:06,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 00:35:06,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752762745] [2022-07-23 00:35:06,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:35:06,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 00:35:06,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:35:06,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 00:35:06,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 00:35:06,829 INFO L87 Difference]: Start difference. First operand 8635 states and 12982 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) [2022-07-23 00:35:08,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:35:09,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:35:09,605 INFO L93 Difference]: Finished difference Result 25720 states and 38688 transitions. [2022-07-23 00:35:09,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 00:35:09,605 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 [2022-07-23 00:35:09,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:35:09,704 INFO L225 Difference]: With dead ends: 25720 [2022-07-23 00:35:09,704 INFO L226 Difference]: Without dead ends: 17158 [2022-07-23 00:35:09,759 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 [2022-07-23 00:35:09,761 INFO L413 NwaCegarLoop]: 16496 mSDtfsCounter, 12811 mSDsluCounter, 12961 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12811 SdHoareTripleChecker+Valid, 29457 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:35:09,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12811 Valid, 29457 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-23 00:35:09,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17158 states. [2022-07-23 00:35:17,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17158 to 17158. [2022-07-23 00:35:17,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17158 states, 9874 states have (on average 1.1849301195057726) internal successors, (11700), 9914 states have internal predecessors, (11700), 7054 states have call successors, (7054), 230 states have call predecessors, (7054), 229 states have return successors, (7053), 7037 states have call predecessors, (7053), 7053 states have call successors, (7053) [2022-07-23 00:35:17,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17158 states to 17158 states and 25807 transitions. [2022-07-23 00:35:17,287 INFO L78 Accepts]: Start accepts. Automaton has 17158 states and 25807 transitions. Word has length 484 [2022-07-23 00:35:17,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:35:17,289 INFO L495 AbstractCegarLoop]: Abstraction has 17158 states and 25807 transitions. [2022-07-23 00:35:17,289 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-07-23 00:35:17,289 INFO L276 IsEmpty]: Start isEmpty. Operand 17158 states and 25807 transitions. [2022-07-23 00:35:17,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-23 00:35:17,293 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:35:17,293 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, 1, 1, 1] [2022-07-23 00:35:17,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 00:35:17,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:35:17,515 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:35:17,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:35:17,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1122531750, now seen corresponding path program 1 times [2022-07-23 00:35:17,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:35:17,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429275484] [2022-07-23 00:35:17,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:35:17,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:35:17,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:35:17,519 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 00:35:17,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 00:35:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:35:19,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 3590 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 00:35:19,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:35:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 204 proven. 3 refuted. 0 times theorem prover too weak. 3300 trivial. 0 not checked. [2022-07-23 00:35:20,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:35:24,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 3324 trivial. 0 not checked. [2022-07-23 00:35:24,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:35:24,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429275484] [2022-07-23 00:35:24,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429275484] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:35:24,349 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 00:35:24,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-23 00:35:24,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507597782] [2022-07-23 00:35:24,350 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 00:35:24,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 00:35:24,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:35:24,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 00:35:24,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:35:24,351 INFO L87 Difference]: Start difference. First operand 17158 states and 25807 transitions. Second operand has 13 states, 11 states have (on average 8.909090909090908) internal successors, (98), 13 states have internal predecessors, (98), 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) [2022-07-23 00:35:29,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:35:29,063 INFO L93 Difference]: Finished difference Result 34291 states and 51605 transitions. [2022-07-23 00:35:29,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 00:35:29,064 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.909090909090908) internal successors, (98), 13 states have internal predecessors, (98), 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 487 [2022-07-23 00:35:29,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:35:29,158 INFO L225 Difference]: With dead ends: 34291 [2022-07-23 00:35:29,158 INFO L226 Difference]: Without dead ends: 17160 [2022-07-23 00:35:29,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 975 GetRequests, 961 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-07-23 00:35:29,243 INFO L413 NwaCegarLoop]: 12958 mSDtfsCounter, 13 mSDsluCounter, 90653 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 103611 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:35:29,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 103611 Invalid, 259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [35 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-23 00:35:29,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17160 states. [2022-07-23 00:35:36,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17160 to 17160. [2022-07-23 00:35:36,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17160 states, 9876 states have (on average 1.1848926690968002) internal successors, (11702), 9916 states have internal predecessors, (11702), 7054 states have call successors, (7054), 230 states have call predecessors, (7054), 229 states have return successors, (7053), 7037 states have call predecessors, (7053), 7053 states have call successors, (7053) [2022-07-23 00:35:36,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17160 states to 17160 states and 25809 transitions. [2022-07-23 00:35:36,978 INFO L78 Accepts]: Start accepts. Automaton has 17160 states and 25809 transitions. Word has length 487 [2022-07-23 00:35:36,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:35:36,978 INFO L495 AbstractCegarLoop]: Abstraction has 17160 states and 25809 transitions. [2022-07-23 00:35:36,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.909090909090908) internal successors, (98), 13 states have internal predecessors, (98), 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) [2022-07-23 00:35:36,979 INFO L276 IsEmpty]: Start isEmpty. Operand 17160 states and 25809 transitions. [2022-07-23 00:35:36,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-07-23 00:35:36,982 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:35:36,982 INFO L195 NwaCegarLoop]: trace histogram [39, 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, 1, 1, 1] [2022-07-23 00:35:37,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 00:35:37,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:35:37,207 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:35:37,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:35:37,208 INFO L85 PathProgramCache]: Analyzing trace with hash -788487683, now seen corresponding path program 2 times [2022-07-23 00:35:37,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:35:37,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1771578079] [2022-07-23 00:35:37,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 00:35:37,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:35:37,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:35:37,212 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 00:35:37,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 00:35:38,801 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 00:35:38,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 00:35:38,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 2049 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 00:35:38,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:35:53,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4092 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4092 trivial. 0 not checked. [2022-07-23 00:35:53,588 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:35:53,588 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:35:53,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1771578079] [2022-07-23 00:35:53,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1771578079] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:35:53,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:35:53,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 00:35:53,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361726681] [2022-07-23 00:35:53,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:35:53,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 00:35:53,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:35:53,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 00:35:53,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 00:35:53,590 INFO L87 Difference]: Start difference. First operand 17160 states and 25809 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 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) [2022-07-23 00:35:53,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:35:53,816 INFO L93 Difference]: Finished difference Result 17160 states and 25809 transitions. [2022-07-23 00:35:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 00:35:53,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 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 500 [2022-07-23 00:35:53,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:35:53,817 INFO L225 Difference]: With dead ends: 17160 [2022-07-23 00:35:53,817 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 00:35:53,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 00:35:53,879 INFO L413 NwaCegarLoop]: 12972 mSDtfsCounter, 12830 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12830 SdHoareTripleChecker+Valid, 12972 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 [2022-07-23 00:35:53,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12830 Valid, 12972 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 00:35:53,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 00:35:53,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 00:35:53,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 00:35:53,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 00:35:53,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 500 [2022-07-23 00:35:53,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:35:53,885 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 00:35:53,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 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) [2022-07-23 00:35:53,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 00:35:53,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 00:35:53,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 00:35:53,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-23 00:35:54,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:35:54,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.