./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.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-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.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 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:15:43,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:15:43,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:15:43,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:15:43,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:15:43,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:15:43,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:15:43,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:15:43,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:15:43,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:15:43,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:15:43,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:15:43,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:15:43,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:15:43,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:15:43,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:15:43,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:15:43,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:15:43,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:15:43,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:15:43,659 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:15:43,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:15:43,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:15:43,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:15:43,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:15:43,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:15:43,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:15:43,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:15:43,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:15:43,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:15:43,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:15:43,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:15:43,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:15:43,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:15:43,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:15:43,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:15:43,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:15:43,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:15:43,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:15:43,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:15:43,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:15:43,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:15:43,678 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:15:43,705 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:15:43,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:15:43,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:15:43,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:15:43,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:15:43,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:15:43,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:15:43,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:15:43,708 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:15:43,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:15:43,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:15:43,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:15:43,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:15:43,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:15:43,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:15:43,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:15:43,710 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:15:43,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:15:43,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:15:43,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:15:43,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:15:43,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:15:43,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:15:43,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:15:43,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:15:43,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:15:43,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:15:43,712 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:15:43,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:15:43,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:15:43,713 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 [2022-07-23 00:15:43,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:15:44,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:15:44,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:15:44,026 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:15:44,027 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:15:44,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-23 00:15:44,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/440a8ebef/dc83c9cdb0bd4cb181d77e1c37101f96/FLAG841a112cd [2022-07-23 00:15:44,734 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:15:44,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-23 00:15:44,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/440a8ebef/dc83c9cdb0bd4cb181d77e1c37101f96/FLAG841a112cd [2022-07-23 00:15:44,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/440a8ebef/dc83c9cdb0bd4cb181d77e1c37101f96 [2022-07-23 00:15:44,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:15:44,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:15:44,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:15:44,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:15:44,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:15:44,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:15:44" (1/1) ... [2022-07-23 00:15:44,898 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 12:15:44, skipping insertion in model container [2022-07-23 00:15:44,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:15:44" (1/1) ... [2022-07-23 00:15:44,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:15:45,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:15:45,496 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-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-23 00:15:46,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:15:46,087 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:15:46,169 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-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-23 00:15:46,240 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: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 00:15:46,247 INFO L158 Benchmark]: Toolchain (without parser) took 1355.23ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 40.9MB in the beginning and 47.5MB in the end (delta: -6.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-07-23 00:15:46,247 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 88.1MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 00:15:46,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1351.69ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 40.7MB in the beginning and 47.5MB in the end (delta: -6.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-07-23 00:15:46,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 88.1MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1351.69ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 40.7MB in the beginning and 47.5MB in the end (delta: -6.8MB). Peak memory consumption was 44.0MB. 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-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.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 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:15:48,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:15:48,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:15:48,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:15:48,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:15:48,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:15:48,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:15:48,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:15:48,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:15:48,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:15:48,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:15:48,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:15:48,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:15:48,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:15:48,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:15:48,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:15:48,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:15:48,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:15:48,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:15:48,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:15:48,227 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:15:48,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:15:48,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:15:48,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:15:48,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:15:48,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:15:48,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:15:48,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:15:48,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:15:48,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:15:48,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:15:48,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:15:48,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:15:48,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:15:48,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:15:48,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:15:48,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:15:48,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:15:48,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:15:48,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:15:48,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:15:48,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:15:48,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 00:15:48,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:15:48,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:15:48,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:15:48,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:15:48,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:15:48,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:15:48,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:15:48,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:15:48,283 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:15:48,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:15:48,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:15:48,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:15:48,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:15:48,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:15:48,285 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 00:15:48,285 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 00:15:48,286 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 00:15:48,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:15:48,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:15:48,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:15:48,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:15:48,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:15:48,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:15:48,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:15:48,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:15:48,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:15:48,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:15:48,288 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 00:15:48,288 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 00:15:48,288 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:15:48,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:15:48,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:15:48,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 00:15:48,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 [2022-07-23 00:15:48,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:15:48,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:15:48,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:15:48,649 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:15:48,649 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:15:48,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-23 00:15:48,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d7e4b952/f297fed001894ada81caf7e4dad21bb7/FLAGecbee8924 [2022-07-23 00:15:49,469 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:15:49,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-23 00:15:49,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d7e4b952/f297fed001894ada81caf7e4dad21bb7/FLAGecbee8924 [2022-07-23 00:15:49,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d7e4b952/f297fed001894ada81caf7e4dad21bb7 [2022-07-23 00:15:49,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:15:49,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:15:49,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:15:49,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:15:49,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:15:49,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:15:49" (1/1) ... [2022-07-23 00:15:49,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d87918e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:15:49, skipping insertion in model container [2022-07-23 00:15:49,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:15:49" (1/1) ... [2022-07-23 00:15:49,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:15:49,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:15:50,488 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-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-23 00:15:51,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:15:51,235 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 00:15:51,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:15:51,384 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-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-23 00:15:51,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:15:51,541 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:15:51,646 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-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-23 00:15:51,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:15:51,884 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:15:51,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:15:51 WrapperNode [2022-07-23 00:15:51,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:15:51,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:15:51,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:15:51,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:15:51,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:15:51" (1/1) ... [2022-07-23 00:15:51,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:15:51" (1/1) ... [2022-07-23 00:15:52,075 INFO L137 Inliner]: procedures = 174, calls = 1221, calls flagged for inlining = 70, calls inlined = 70, statements flattened = 2890 [2022-07-23 00:15:52,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:15:52,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:15:52,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:15:52,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:15:52,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:15:51" (1/1) ... [2022-07-23 00:15:52,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:15:51" (1/1) ... [2022-07-23 00:15:52,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:15:51" (1/1) ... [2022-07-23 00:15:52,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:15:51" (1/1) ... [2022-07-23 00:15:52,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:15:51" (1/1) ... [2022-07-23 00:15:52,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:15:51" (1/1) ... [2022-07-23 00:15:52,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:15:51" (1/1) ... [2022-07-23 00:15:52,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:15:52,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:15:52,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:15:52,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:15:52,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:15:51" (1/1) ... [2022-07-23 00:15:52,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:15:52,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:15:52,408 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 00:15:52,427 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 00:15:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-07-23 00:15:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-07-23 00:15:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 00:15:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 00:15:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 00:15:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:15:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 00:15:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:15:52,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:15:52,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:15:52,450 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-07-23 00:15:52,450 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-07-23 00:15:52,450 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-07-23 00:15:52,450 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-07-23 00:15:52,450 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-07-23 00:15:52,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-07-23 00:15:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-07-23 00:15:52,451 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-07-23 00:15:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 00:15:52,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 00:15:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-23 00:15:52,451 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-23 00:15:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:15:52,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:15:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-07-23 00:15:52,452 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-07-23 00:15:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-07-23 00:15:52,452 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-07-23 00:15:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-07-23 00:15:52,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-07-23 00:15:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:15:52,453 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:15:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 00:15:52,454 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 00:15:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-07-23 00:15:52,454 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-07-23 00:15:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:15:52,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:15:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-23 00:15:52,455 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-23 00:15:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:15:52,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:15:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-23 00:15:52,455 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-23 00:15:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 00:15:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-07-23 00:15:52,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-07-23 00:15:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 00:15:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 00:15:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 00:15:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:15:52,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:15:52,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-07-23 00:15:52,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-07-23 00:15:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-23 00:15:52,459 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-23 00:15:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-07-23 00:15:52,459 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-07-23 00:15:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:15:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:15:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:15:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-07-23 00:15:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-07-23 00:15:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-07-23 00:15:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-07-23 00:15:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-07-23 00:15:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-07-23 00:15:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-07-23 00:15:52,461 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-07-23 00:15:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:15:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 00:15:52,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 00:15:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:15:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-07-23 00:15:52,462 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-07-23 00:15:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:15:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 00:15:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-07-23 00:15:52,463 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-07-23 00:15:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 00:15:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-23 00:15:52,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-23 00:15:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-07-23 00:15:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-07-23 00:15:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-23 00:15:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-23 00:15:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 00:15:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-07-23 00:15:52,465 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-07-23 00:15:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-07-23 00:15:52,465 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-07-23 00:15:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:15:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 00:15:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 00:15:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 00:15:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 00:15:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:15:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 00:15:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:15:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-07-23 00:15:52,467 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-07-23 00:15:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-23 00:15:52,468 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-23 00:15:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-07-23 00:15:52,468 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-07-23 00:15:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 00:15:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-07-23 00:15:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-07-23 00:15:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 00:15:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 00:15:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 00:15:52,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 00:15:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 00:15:52,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 00:15:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 00:15:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-07-23 00:15:52,473 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-07-23 00:15:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-07-23 00:15:52,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-07-23 00:15:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-07-23 00:15:52,474 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-07-23 00:15:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-07-23 00:15:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-07-23 00:15:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-07-23 00:15:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-07-23 00:15:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-07-23 00:15:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-07-23 00:15:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 00:15:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 00:15:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 00:15:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:15:52,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:15:53,029 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:15:53,033 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:15:53,343 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:16:32,585 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:16:32,602 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:16:32,602 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:16:32,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:16:32 BoogieIcfgContainer [2022-07-23 00:16:32,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:16:32,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:16:32,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:16:32,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:16:32,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:15:49" (1/3) ... [2022-07-23 00:16:32,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a36e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:16:32, skipping insertion in model container [2022-07-23 00:16:32,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:15:51" (2/3) ... [2022-07-23 00:16:32,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a36e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:16:32, skipping insertion in model container [2022-07-23 00:16:32,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:16:32" (3/3) ... [2022-07-23 00:16:32,611 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-23 00:16:32,627 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:16:32,627 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:16:32,684 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:16:32,687 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@7b608565, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@660710fd [2022-07-23 00:16:32,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:16:32,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 1040 states, 771 states have (on average 1.404669260700389) internal successors, (1083), 787 states have internal predecessors, (1083), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (210), 210 states have call predecessors, (210), 210 states have call successors, (210) [2022-07-23 00:16:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-23 00:16:32,714 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:16:32,715 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:16:32,715 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:16:32,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:16:32,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1678977370, now seen corresponding path program 1 times [2022-07-23 00:16:32,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:16:32,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363256137] [2022-07-23 00:16:32,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:16:32,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:16:32,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:16:32,747 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 00:16:32,753 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 00:16:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:16:33,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 00:16:33,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:16:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 00:16:33,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:16:33,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:16:33,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363256137] [2022-07-23 00:16:33,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363256137] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:16:33,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:16:33,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 00:16:33,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635685168] [2022-07-23 00:16:33,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:16:33,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 00:16:33,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:16:33,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 00:16:33,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 00:16:34,004 INFO L87 Difference]: Start difference. First operand has 1040 states, 771 states have (on average 1.404669260700389) internal successors, (1083), 787 states have internal predecessors, (1083), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (210), 210 states have call predecessors, (210), 210 states have call successors, (210) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-23 00:16:34,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:16:34,436 INFO L93 Difference]: Finished difference Result 2531 states and 3685 transitions. [2022-07-23 00:16:34,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 00:16:34,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2022-07-23 00:16:34,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:16:34,469 INFO L225 Difference]: With dead ends: 2531 [2022-07-23 00:16:34,470 INFO L226 Difference]: Without dead ends: 1464 [2022-07-23 00:16:34,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 00:16:34,481 INFO L413 NwaCegarLoop]: 1581 mSDtfsCounter, 641 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 3054 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 00:16:34,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 3054 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 00:16:34,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2022-07-23 00:16:34,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1462. [2022-07-23 00:16:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1098 states have (on average 1.3852459016393444) internal successors, (1521), 1110 states have internal predecessors, (1521), 286 states have call successors, (286), 78 states have call predecessors, (286), 77 states have return successors, (285), 284 states have call predecessors, (285), 285 states have call successors, (285) [2022-07-23 00:16:34,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2092 transitions. [2022-07-23 00:16:34,619 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2092 transitions. Word has length 58 [2022-07-23 00:16:34,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:16:34,620 INFO L495 AbstractCegarLoop]: Abstraction has 1462 states and 2092 transitions. [2022-07-23 00:16:34,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-23 00:16:34,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2092 transitions. [2022-07-23 00:16:34,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-23 00:16:34,630 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:16:34,630 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:16:34,663 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 00:16:34,851 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 00:16:34,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:16:34,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:16:34,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1282308759, now seen corresponding path program 1 times [2022-07-23 00:16:34,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:16:34,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232368884] [2022-07-23 00:16:34,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:16:34,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:16:34,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:16:34,855 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 00:16:34,856 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 00:16:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:16:40,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-23 00:16:40,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:16:41,199 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 169 [2022-07-23 00:16:41,217 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 121 [2022-07-23 00:16:41,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:16:41,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:16:41,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:16:41,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:16:41,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:16:41,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:16:54,308 WARN L233 SmtUtils]: Spent 13.02s on a formula simplification. DAG size of input: 150 DAG size of output: 68 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-07-23 00:16:54,311 INFO L356 Elim1Store]: treesize reduction 993, result has 20.4 percent of original size [2022-07-23 00:16:54,311 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 121 treesize of output 304 [2022-07-23 00:17:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-07-23 00:17:21,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:17:21,020 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:17:21,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232368884] [2022-07-23 00:17:21,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232368884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:17:21,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:17:21,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:17:21,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718958149] [2022-07-23 00:17:21,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:17:21,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:17:21,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:17:21,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:17:21,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:17:21,023 INFO L87 Difference]: Start difference. First operand 1462 states and 2092 transitions. Second operand has 9 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 00:17:23,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:17:25,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:17:27,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:17:30,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:17:32,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:17:33,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:17:38,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:17:44,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:17:46,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:17:50,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:17:52,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:17:57,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:17:59,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:01,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:02,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:08,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:10,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:13,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:16,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:18,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:23,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:25,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:27,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:30,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:32,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:35,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:36,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:18:45,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:18:45,711 INFO L93 Difference]: Finished difference Result 2928 states and 4188 transitions. [2022-07-23 00:18:45,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 00:18:45,717 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 116 [2022-07-23 00:18:45,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:18:45,729 INFO L225 Difference]: With dead ends: 2928 [2022-07-23 00:18:45,730 INFO L226 Difference]: Without dead ends: 1467 [2022-07-23 00:18:45,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:18:45,738 INFO L413 NwaCegarLoop]: 1484 mSDtfsCounter, 10 mSDsluCounter, 5064 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 2 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6548 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 451 IncrementalHoareTripleChecker+Unchecked, 83.7s IncrementalHoareTripleChecker+Time [2022-07-23 00:18:45,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 6548 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 444 Invalid, 17 Unknown, 451 Unchecked, 83.7s Time] [2022-07-23 00:18:45,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2022-07-23 00:18:45,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2022-07-23 00:18:45,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 1102 states have (on average 1.383847549909256) internal successors, (1525), 1114 states have internal predecessors, (1525), 287 states have call successors, (287), 79 states have call predecessors, (287), 77 states have return successors, (286), 284 states have call predecessors, (286), 286 states have call successors, (286) [2022-07-23 00:18:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2098 transitions. [2022-07-23 00:18:45,829 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2098 transitions. Word has length 116 [2022-07-23 00:18:45,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:18:45,832 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 2098 transitions. [2022-07-23 00:18:45,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 00:18:45,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2098 transitions. [2022-07-23 00:18:45,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-23 00:18:45,839 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:18:45,840 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:18:45,875 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 00:18:46,056 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 00:18:46,057 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:18:46,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:18:46,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1422857369, now seen corresponding path program 1 times [2022-07-23 00:18:46,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:18:46,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687549273] [2022-07-23 00:18:46,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:18:46,060 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:18:46,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:18:46,061 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 00:18:46,062 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 00:19:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:19:08,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-23 00:19:08,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:19:09,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 169 [2022-07-23 00:19:09,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 121 [2022-07-23 00:19:09,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:19:09,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:19:09,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:19:09,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:19:09,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:19:09,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:19:30,558 WARN L233 SmtUtils]: Spent 20.66s on a formula simplification. DAG size of input: 150 DAG size of output: 68 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-07-23 00:19:30,559 INFO L356 Elim1Store]: treesize reduction 993, result has 20.4 percent of original size [2022-07-23 00:19:30,559 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 121 treesize of output 304 [2022-07-23 00:19:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-07-23 00:19:47,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:19:47,074 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:19:47,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687549273] [2022-07-23 00:19:47,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687549273] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:19:47,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:19:47,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-23 00:19:47,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226923714] [2022-07-23 00:19:47,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:19:47,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 00:19:47,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:19:47,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 00:19:47,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-23 00:19:47,077 INFO L87 Difference]: Start difference. First operand 1467 states and 2098 transitions. Second operand has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 4 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 00:19:49,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:19:51,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:19:55,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:19:57,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:20:00,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:20:02,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []