./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 35987657 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-?-3598765 [2022-07-21 11:32:26,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:32:26,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:32:26,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:32:26,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:32:26,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:32:26,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:32:26,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:32:26,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:32:26,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:32:26,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:32:26,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:32:26,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:32:26,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:32:26,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:32:26,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:32:26,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:32:26,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:32:26,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:32:26,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:32:26,866 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:32:26,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:32:26,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:32:26,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:32:26,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:32:26,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:32:26,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:32:26,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:32:26,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:32:26,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:32:26,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:32:26,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:32:26,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:32:26,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:32:26,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:32:26,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:32:26,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:32:26,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:32:26,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:32:26,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:32:26,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:32:26,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:32:26,878 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:32:26,902 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:32:26,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:32:26,904 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:32:26,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:32:26,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:32:26,905 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:32:26,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:32:26,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:32:26,906 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:32:26,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:32:26,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:32:26,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:32:26,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:32:26,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:32:26,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:32:26,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:32:26,907 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:32:26,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:32:26,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:32:26,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:32:26,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:32:26,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:32:26,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:32:26,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:32:26,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:32:26,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:32:26,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:32:26,909 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:32:26,909 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:32:26,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:32:26,910 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 [2022-07-21 11:32:27,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:32:27,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:32:27,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:32:27,169 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:32:27,170 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:32:27,171 INFO L432 ainManager$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 [2022-07-21 11:32:27,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e59bc2c9/21f6f5b9c2d34720badac7c5224f9196/FLAG56cc02680 [2022-07-21 11:32:27,742 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:32:27,743 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 [2022-07-21 11:32:27,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e59bc2c9/21f6f5b9c2d34720badac7c5224f9196/FLAG56cc02680 [2022-07-21 11:32:28,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e59bc2c9/21f6f5b9c2d34720badac7c5224f9196 [2022-07-21 11:32:28,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:32:28,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:32:28,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:32:28,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:32:28,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:32:28,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:32:28" (1/1) ... [2022-07-21 11:32:28,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b24e8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:28, skipping insertion in model container [2022-07-21 11:32:28,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:32:28" (1/1) ... [2022-07-21 11:32:28,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:32:28,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:32:28,731 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] [2022-07-21 11:32:29,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:32:29,132 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:32:29,206 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] [2022-07-21 11:32:29,265 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) [2022-07-21 11:32:29,272 INFO L158 Benchmark]: Toolchain (without parser) took 1018.09ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 28.7MB in the beginning and 34.6MB in the end (delta: -5.9MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-07-21 11:32:29,272 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 51.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:32:29,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1016.01ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 28.6MB in the beginning and 34.6MB in the end (delta: -6.0MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-07-21 11:32:29,275 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 51.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1016.01ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 28.6MB in the beginning and 34.6MB in the end (delta: -6.0MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-3598765 [2022-07-21 11:32:30,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:32:30,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:32:30,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:32:30,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:32:30,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:32:30,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:32:30,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:32:30,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:32:30,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:32:30,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:32:30,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:32:30,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:32:30,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:32:30,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:32:30,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:32:30,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:32:30,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:32:30,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:32:30,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:32:30,727 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:32:30,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:32:30,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:32:30,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:32:30,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:32:30,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:32:30,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:32:30,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:32:30,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:32:30,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:32:30,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:32:30,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:32:30,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:32:30,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:32:30,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:32:30,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:32:30,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:32:30,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:32:30,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:32:30,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:32:30,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:32:30,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:32:30,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 11:32:30,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:32:30,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:32:30,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:32:30,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:32:30,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:32:30,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:32:30,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:32:30,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:32:30,774 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:32:30,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:32:30,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:32:30,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:32:30,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:32:30,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:32:30,776 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 11:32:30,781 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 11:32:30,781 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 11:32:30,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:32:30,781 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:32:30,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:32:30,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:32:30,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:32:30,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:32:30,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:32:30,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:32:30,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:32:30,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:32:30,783 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 11:32:30,783 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 11:32:30,783 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:32:30,783 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:32:30,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:32:30,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 11:32:30,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 [2022-07-21 11:32:31,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:32:31,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:32:31,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:32:31,065 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:32:31,066 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:32:31,067 INFO L432 ainManager$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 [2022-07-21 11:32:31,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d1448c6/1b42ed604dcb4103a2be44b081453b87/FLAGb33c80498 [2022-07-21 11:32:31,669 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:32:31,669 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 [2022-07-21 11:32:31,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d1448c6/1b42ed604dcb4103a2be44b081453b87/FLAGb33c80498 [2022-07-21 11:32:32,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d1448c6/1b42ed604dcb4103a2be44b081453b87 [2022-07-21 11:32:32,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:32:32,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:32:32,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:32:32,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:32:32,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:32:32,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:32:32" (1/1) ... [2022-07-21 11:32:32,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7442ebf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:32, skipping insertion in model container [2022-07-21 11:32:32,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:32:32" (1/1) ... [2022-07-21 11:32:32,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:32:32,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:32:32,619 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] [2022-07-21 11:32:32,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:32:32,962 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 11:32:32,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:32:33,042 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] [2022-07-21 11:32:33,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:32:33,180 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:32:33,257 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] [2022-07-21 11:32:33,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:32:33,481 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:32:33,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:33 WrapperNode [2022-07-21 11:32:33,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:32:33,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:32:33,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:32:33,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:32:33,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:33" (1/1) ... [2022-07-21 11:32:33,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:33" (1/1) ... [2022-07-21 11:32:33,651 INFO L137 Inliner]: procedures = 174, calls = 1221, calls flagged for inlining = 70, calls inlined = 70, statements flattened = 2890 [2022-07-21 11:32:33,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:32:33,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:32:33,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:32:33,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:32:33,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:33" (1/1) ... [2022-07-21 11:32:33,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:33" (1/1) ... [2022-07-21 11:32:33,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:33" (1/1) ... [2022-07-21 11:32:33,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:33" (1/1) ... [2022-07-21 11:32:33,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:33" (1/1) ... [2022-07-21 11:32:33,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:33" (1/1) ... [2022-07-21 11:32:33,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:33" (1/1) ... [2022-07-21 11:32:33,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:32:33,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:32:33,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:32:33,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:32:33,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:33" (1/1) ... [2022-07-21 11:32:33,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:32:33,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:32:33,826 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) [2022-07-21 11:32:33,847 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 [2022-07-21 11:32:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-07-21 11:32:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-07-21 11:32:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 11:32:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 11:32:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 11:32:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:32:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 11:32:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:32:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:32:33,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:32:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-07-21 11:32:33,866 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-07-21 11:32:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-07-21 11:32:33,866 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-07-21 11:32:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-07-21 11:32:33,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-07-21 11:32:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-07-21 11:32:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-07-21 11:32:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:32:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:32:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-21 11:32:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-21 11:32:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:32:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:32:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-07-21 11:32:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-07-21 11:32:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-07-21 11:32:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-07-21 11:32:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-07-21 11:32:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-07-21 11:32:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:32:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:32:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 11:32:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 11:32:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-07-21 11:32:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-07-21 11:32:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 11:32:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 11:32:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-21 11:32:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-21 11:32:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:32:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:32:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-21 11:32:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-21 11:32:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 11:32:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-07-21 11:32:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-07-21 11:32:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 11:32:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 11:32:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 11:32:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:32:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:32:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-07-21 11:32:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-07-21 11:32:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-21 11:32:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-21 11:32:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-07-21 11:32:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-07-21 11:32:33,874 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:32:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:32:33,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:32:33,874 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-07-21 11:32:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-07-21 11:32:33,874 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-07-21 11:32:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-07-21 11:32:33,875 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-07-21 11:32:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-07-21 11:32:33,875 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-07-21 11:32:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-07-21 11:32:33,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:32:33,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 11:32:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 11:32:33,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:32:33,876 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-07-21 11:32:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-07-21 11:32:33,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:32:33,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 11:32:33,877 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-07-21 11:32:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-07-21 11:32:33,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 11:32:33,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 11:32:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 11:32:33,877 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-07-21 11:32:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-07-21 11:32:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-21 11:32:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-21 11:32:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 11:32:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-07-21 11:32:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-07-21 11:32:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-07-21 11:32:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-07-21 11:32:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:32:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 11:32:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 11:32:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 11:32:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 11:32:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:32:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 11:32:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:32:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-07-21 11:32:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-07-21 11:32:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 11:32:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 11:32:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-07-21 11:32:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-07-21 11:32:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 11:32:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-07-21 11:32:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-07-21 11:32:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 11:32:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 11:32:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 11:32:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 11:32:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 11:32:33,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 11:32:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 11:32:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-07-21 11:32:33,885 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-07-21 11:32:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-07-21 11:32:33,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-07-21 11:32:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-07-21 11:32:33,886 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-07-21 11:32:33,890 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-07-21 11:32:33,890 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-07-21 11:32:33,890 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-07-21 11:32:33,890 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-07-21 11:32:33,890 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-07-21 11:32:33,890 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-07-21 11:32:33,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:32:33,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:32:33,891 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 11:32:33,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:32:33,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:32:34,392 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:32:34,393 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:32:34,633 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:33:10,671 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:33:10,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:33:10,692 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:33:10,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:33:10 BoogieIcfgContainer [2022-07-21 11:33:10,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:33:10,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:33:10,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:33:10,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:33:10,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:32:32" (1/3) ... [2022-07-21 11:33:10,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4e6033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:33:10, skipping insertion in model container [2022-07-21 11:33:10,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:33" (2/3) ... [2022-07-21 11:33:10,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4e6033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:33:10, skipping insertion in model container [2022-07-21 11:33:10,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:33:10" (3/3) ... [2022-07-21 11:33:10,700 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-21 11:33:10,709 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:33:10,709 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:33:10,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:33:10,779 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@49cf5a20, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@34ed7901 [2022-07-21 11:33:10,779 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:33:10,784 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) [2022-07-21 11:33:10,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-21 11:33:10,818 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:10,818 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] [2022-07-21 11:33:10,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:10,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:10,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1678977370, now seen corresponding path program 1 times [2022-07-21 11:33:10,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:33:10,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918654857] [2022-07-21 11:33:10,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:10,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:33:10,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:33:10,838 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) [2022-07-21 11:33:10,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 11:33:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:11,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:33:11,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:33:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 11:33:11,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:33:11,935 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:33:11,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1918654857] [2022-07-21 11:33:11,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1918654857] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:11,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:33:11,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:33:11,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57887562] [2022-07-21 11:33:11,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:11,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:33:11,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:33:11,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:33:11,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:33:11,975 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) [2022-07-21 11:33:12,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:12,424 INFO L93 Difference]: Finished difference Result 2531 states and 3685 transitions. [2022-07-21 11:33:12,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:33:12,426 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 [2022-07-21 11:33:12,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:12,452 INFO L225 Difference]: With dead ends: 2531 [2022-07-21 11:33:12,452 INFO L226 Difference]: Without dead ends: 1464 [2022-07-21 11:33:12,464 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 [2022-07-21 11:33:12,466 INFO L413 NwaCegarLoop]: 1581 mSDtfsCounter, 641 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-07-21 11:33:12,466 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] [2022-07-21 11:33:12,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2022-07-21 11:33:12,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1462. [2022-07-21 11:33:12,554 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) [2022-07-21 11:33:12,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2092 transitions. [2022-07-21 11:33:12,564 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2092 transitions. Word has length 58 [2022-07-21 11:33:12,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:12,567 INFO L495 AbstractCegarLoop]: Abstraction has 1462 states and 2092 transitions. [2022-07-21 11:33:12,567 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) [2022-07-21 11:33:12,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2092 transitions. [2022-07-21 11:33:12,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-21 11:33:12,575 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:12,576 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] [2022-07-21 11:33:12,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:33:12,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:33:12,792 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:12,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:12,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1282308759, now seen corresponding path program 1 times [2022-07-21 11:33:12,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:33:12,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1343084799] [2022-07-21 11:33:12,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:12,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:33:12,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:33:12,795 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) [2022-07-21 11:33:12,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 11:33:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:18,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-21 11:33:18,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:33:19,155 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 [2022-07-21 11:33:19,175 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 [2022-07-21 11:33:19,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 11:33:19,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 11:33:19,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 11:33:19,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 11:33:19,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 11:33:19,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 11:33:39,210 WARN L233 SmtUtils]: Spent 19.96s 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) [2022-07-21 11:33:39,212 INFO L356 Elim1Store]: treesize reduction 993, result has 20.4 percent of original size [2022-07-21 11:33:39,213 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 [2022-07-21 11:33:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-07-21 11:33:55,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:33:55,099 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:33:55,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1343084799] [2022-07-21 11:33:55,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1343084799] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:55,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:33:55,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 11:33:55,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12985623] [2022-07-21 11:33:55,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:55,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 11:33:55,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:33:55,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 11:33:55,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:33:55,102 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) [2022-07-21 11:33:57,167 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 [] [2022-07-21 11:33:59,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:01,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:04,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:06,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:09,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:10,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:18,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:20,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:22,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:27,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:29,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:34,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:36,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:37,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:40,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:42,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:44,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:46,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:50,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:55,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:57,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:59,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:35:01,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:35:03,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:35:14,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:35:14,899 INFO L93 Difference]: Finished difference Result 2928 states and 4188 transitions. [2022-07-21 11:35:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 11:35:14,905 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 [2022-07-21 11:35:14,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:35:14,928 INFO L225 Difference]: With dead ends: 2928 [2022-07-21 11:35:14,928 INFO L226 Difference]: Without dead ends: 1467 [2022-07-21 11:35:14,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:35:14,933 INFO L413 NwaCegarLoop]: 1484 mSDtfsCounter, 10 mSDsluCounter, 5064 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 2 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6548 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 451 IncrementalHoareTripleChecker+Unchecked, 78.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:35:14,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 6548 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 446 Invalid, 15 Unknown, 451 Unchecked, 78.9s Time] [2022-07-21 11:35:14,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2022-07-21 11:35:14,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2022-07-21 11:35:14,977 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) [2022-07-21 11:35:14,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2098 transitions. [2022-07-21 11:35:14,985 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2098 transitions. Word has length 116 [2022-07-21 11:35:14,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:35:14,986 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 2098 transitions. [2022-07-21 11:35:14,986 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) [2022-07-21 11:35:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2098 transitions. [2022-07-21 11:35:14,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-21 11:35:14,992 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:35:14,993 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] [2022-07-21 11:35:15,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:35:15,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:35:15,200 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:35:15,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:35:15,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1422857369, now seen corresponding path program 1 times [2022-07-21 11:35:15,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:35:15,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1404900530] [2022-07-21 11:35:15,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:35:15,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:35:15,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:35:15,202 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) [2022-07-21 11:35:15,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 11:35:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:35:37,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-21 11:35:37,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:35:38,391 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 [2022-07-21 11:35:38,419 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 [2022-07-21 11:35:38,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 11:35:38,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 11:35:38,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 11:35:38,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 11:35:38,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 11:35:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 11:35:59,601 WARN L233 SmtUtils]: Spent 21.07s 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) [2022-07-21 11:35:59,602 INFO L356 Elim1Store]: treesize reduction 993, result has 20.4 percent of original size [2022-07-21 11:35:59,602 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 [2022-07-21 11:36:14,428 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-07-21 11:36:14,429 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:14,429 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:36:14,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1404900530] [2022-07-21 11:36:14,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1404900530] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:14,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:14,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 11:36:14,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961244372] [2022-07-21 11:36:14,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:14,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 11:36:14,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:36:14,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 11:36:14,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:36:14,431 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) [2022-07-21 11:36:16,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:18,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:23,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:25,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:26,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:28,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:36,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:38,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:40,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:42,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:46,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:48,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:54,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:56,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:58,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:59,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:37:03,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:37:04,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:37:06,587 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 []