./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.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-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.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 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:37:22,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:37:22,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:37:22,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:37:22,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:37:22,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:37:22,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:37:22,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:37:22,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:37:22,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:37:22,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:37:22,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:37:22,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:37:22,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:37:22,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:37:22,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:37:22,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:37:22,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:37:22,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:37:22,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:37:22,851 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:37:22,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:37:22,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:37:22,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:37:22,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:37:22,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:37:22,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:37:22,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:37:22,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:37:22,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:37:22,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:37:22,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:37:22,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:37:22,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:37:22,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:37:22,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:37:22,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:37:22,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:37:22,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:37:22,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:37:22,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:37:22,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:37:22,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:37:22,890 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:37:22,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:37:22,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:37:22,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:37:22,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:37:22,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:37:22,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:37:22,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:37:22,893 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:37:22,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:37:22,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:37:22,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:37:22,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:37:22,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:37:22,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:37:22,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:37:22,895 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:37:22,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:37:22,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:37:22,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:37:22,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:37:22,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:37:22,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:37:22,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:37:22,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:37:22,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:37:22,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:37:22,897 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:37:22,897 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:37:22,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:37:22,898 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 [2022-07-21 11:37:23,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:37:23,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:37:23,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:37:23,153 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:37:23,153 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:37:23,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:37:23,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d226c3572/44149e5d5117416bbe842cba83a69af6/FLAG18096ef14 [2022-07-21 11:37:23,806 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:37:23,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:37:23,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d226c3572/44149e5d5117416bbe842cba83a69af6/FLAG18096ef14 [2022-07-21 11:37:24,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d226c3572/44149e5d5117416bbe842cba83a69af6 [2022-07-21 11:37:24,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:37:24,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:37:24,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:37:24,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:37:24,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:37:24,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:37:24" (1/1) ... [2022-07-21 11:37:24,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449fe68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:24, skipping insertion in model container [2022-07-21 11:37:24,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:37:24" (1/1) ... [2022-07-21 11:37:24,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:37:24,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:37:25,346 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-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-07-21 11:37:25,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:37:25,396 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:37:25,543 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 11:37:25,550 INFO L158 Benchmark]: Toolchain (without parser) took 1350.16ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 53.3MB in the beginning and 61.9MB in the end (delta: -8.6MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-07-21 11:37:25,550 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 62.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:37:25,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1347.79ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 53.1MB in the beginning and 61.9MB in the end (delta: -8.8MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-07-21 11:37:25,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 62.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1347.79ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 53.1MB in the beginning and 61.9MB in the end (delta: -8.8MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.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 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:37:27,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:37:27,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:37:27,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:37:27,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:37:27,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:37:27,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:37:27,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:37:27,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:37:27,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:37:27,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:37:27,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:37:27,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:37:27,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:37:27,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:37:27,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:37:27,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:37:27,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:37:27,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:37:27,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:37:27,415 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:37:27,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:37:27,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:37:27,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:37:27,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:37:27,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:37:27,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:37:27,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:37:27,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:37:27,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:37:27,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:37:27,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:37:27,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:37:27,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:37:27,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:37:27,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:37:27,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:37:27,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:37:27,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:37:27,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:37:27,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:37:27,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:37:27,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 11:37:27,446 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:37:27,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:37:27,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:37:27,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:37:27,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:37:27,448 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:37:27,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:37:27,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:37:27,449 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:37:27,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:37:27,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:37:27,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:37:27,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:37:27,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:37:27,450 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 11:37:27,450 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 11:37:27,450 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 11:37:27,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:37:27,451 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:37:27,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:37:27,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:37:27,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:37:27,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:37:27,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:37:27,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:37:27,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:37:27,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:37:27,453 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 11:37:27,453 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 11:37:27,453 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:37:27,453 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:37:27,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:37:27,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 11:37:27,454 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 [2022-07-21 11:37:27,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:37:27,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:37:27,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:37:27,877 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:37:27,886 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:37:27,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:37:27,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390b35563/e2b85794bc904528b993a4f836e5b883/FLAG8a071f2aa [2022-07-21 11:37:28,629 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:37:28,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:37:28,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390b35563/e2b85794bc904528b993a4f836e5b883/FLAG8a071f2aa [2022-07-21 11:37:28,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390b35563/e2b85794bc904528b993a4f836e5b883 [2022-07-21 11:37:28,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:37:28,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:37:28,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:37:28,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:37:28,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:37:28,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:37:28" (1/1) ... [2022-07-21 11:37:28,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@135798d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:28, skipping insertion in model container [2022-07-21 11:37:28,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:37:28" (1/1) ... [2022-07-21 11:37:28,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:37:28,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:37:29,863 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-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-07-21 11:37:29,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:37:29,955 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 11:37:30,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:37:30,373 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-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-07-21 11:37:30,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:37:30,418 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:37:30,613 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-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-07-21 11:37:30,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:37:30,701 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:37:30,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:30 WrapperNode [2022-07-21 11:37:30,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:37:30,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:37:30,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:37:30,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:37:30,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:30" (1/1) ... [2022-07-21 11:37:30,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:30" (1/1) ... [2022-07-21 11:37:30,896 INFO L137 Inliner]: procedures = 173, calls = 1227, calls flagged for inlining = 70, calls inlined = 70, statements flattened = 2877 [2022-07-21 11:37:30,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:37:30,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:37:30,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:37:30,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:37:30,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:30" (1/1) ... [2022-07-21 11:37:30,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:30" (1/1) ... [2022-07-21 11:37:30,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:30" (1/1) ... [2022-07-21 11:37:30,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:30" (1/1) ... [2022-07-21 11:37:31,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:30" (1/1) ... [2022-07-21 11:37:31,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:30" (1/1) ... [2022-07-21 11:37:31,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:30" (1/1) ... [2022-07-21 11:37:31,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:37:31,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:37:31,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:37:31,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:37:31,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:30" (1/1) ... [2022-07-21 11:37:31,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:37:31,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:37:31,185 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 11:37:31,232 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 11:37:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-07-21 11:37:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-07-21 11:37:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 11:37:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 11:37:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 11:37:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:37:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 11:37:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:37:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:37:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:37:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 11:37:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 11:37:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-07-21 11:37:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-07-21 11:37:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-07-21 11:37:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-07-21 11:37:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-07-21 11:37:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-07-21 11:37:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-07-21 11:37:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-07-21 11:37:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:37:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:37:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-21 11:37:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-21 11:37:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:37:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:37:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-07-21 11:37:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-07-21 11:37:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-07-21 11:37:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-07-21 11:37:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-07-21 11:37:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-07-21 11:37:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:37:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:37:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 11:37:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 11:37:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-07-21 11:37:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-07-21 11:37:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 11:37:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 11:37:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-21 11:37:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-21 11:37:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-21 11:37:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-21 11:37:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 11:37:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 11:37:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 11:37:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 11:37:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:37:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:37:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-07-21 11:37:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-07-21 11:37:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-21 11:37:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-21 11:37:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:37:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:37:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-07-21 11:37:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-07-21 11:37:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 11:37:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 11:37:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:37:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:37:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:37:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-07-21 11:37:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-07-21 11:37:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-07-21 11:37:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-07-21 11:37:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-07-21 11:37:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-07-21 11:37:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-07-21 11:37:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-07-21 11:37:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:37:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 11:37:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 11:37:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:37:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-07-21 11:37:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-07-21 11:37:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:37:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 11:37:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-07-21 11:37:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-07-21 11:37:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 11:37:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 11:37:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 11:37:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-07-21 11:37:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-07-21 11:37:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-21 11:37:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-21 11:37:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 11:37:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-07-21 11:37:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-07-21 11:37:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-07-21 11:37:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-07-21 11:37:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:37:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 11:37:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 11:37:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 11:37:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 11:37:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:37:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 11:37:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:37:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-07-21 11:37:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-07-21 11:37:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 11:37:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 11:37:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-07-21 11:37:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-07-21 11:37:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 11:37:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-07-21 11:37:31,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-07-21 11:37:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 11:37:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 11:37:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 11:37:31,268 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 11:37:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 11:37:31,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 11:37:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 11:37:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-07-21 11:37:31,269 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-07-21 11:37:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-07-21 11:37:31,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-07-21 11:37:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-07-21 11:37:31,274 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-07-21 11:37:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-07-21 11:37:31,274 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-07-21 11:37:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-07-21 11:37:31,274 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-07-21 11:37:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-07-21 11:37:31,274 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-07-21 11:37:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 11:37:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:37:31,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:37:31,725 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:37:31,728 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:37:31,967 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:38:13,920 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:38:13,938 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:38:13,938 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:38:13,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:38:13 BoogieIcfgContainer [2022-07-21 11:38:13,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:38:13,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:38:13,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:38:13,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:38:13,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:37:28" (1/3) ... [2022-07-21 11:38:13,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242ca712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:38:13, skipping insertion in model container [2022-07-21 11:38:13,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:37:30" (2/3) ... [2022-07-21 11:38:13,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242ca712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:38:13, skipping insertion in model container [2022-07-21 11:38:13,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:38:13" (3/3) ... [2022-07-21 11:38:13,947 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:38:13,956 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:38:13,956 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:38:14,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:38:14,021 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@6a9cd146, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5393d33b [2022-07-21 11:38:14,022 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:38:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 1039 states, 770 states have (on average 1.4025974025974026) internal successors, (1080), 786 states have internal predecessors, (1080), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2022-07-21 11:38:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-21 11:38:14,045 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:14,046 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:14,046 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:14,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:14,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1529596494, now seen corresponding path program 1 times [2022-07-21 11:38:14,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:38:14,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613802975] [2022-07-21 11:38:14,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:14,070 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:38:14,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:38:14,073 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 11:38:14,077 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 11:38:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:15,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 11:38:15,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:38:15,168 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-21 11:38:15,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:38:15,168 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:38:15,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613802975] [2022-07-21 11:38:15,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1613802975] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:15,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:15,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 11:38:15,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423490376] [2022-07-21 11:38:15,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:15,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 11:38:15,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:38:15,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 11:38:15,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 11:38:15,196 INFO L87 Difference]: Start difference. First operand has 1039 states, 770 states have (on average 1.4025974025974026) internal successors, (1080), 786 states have internal predecessors, (1080), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 11:38:15,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:15,307 INFO L93 Difference]: Finished difference Result 2074 states and 3030 transitions. [2022-07-21 11:38:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 11:38:15,313 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2022-07-21 11:38:15,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:15,336 INFO L225 Difference]: With dead ends: 2074 [2022-07-21 11:38:15,337 INFO L226 Difference]: Without dead ends: 1022 [2022-07-21 11:38:15,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 11:38:15,354 INFO L413 NwaCegarLoop]: 1503 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:15,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1503 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:38:15,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2022-07-21 11:38:15,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1022. [2022-07-21 11:38:15,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 762 states have (on average 1.3910761154855642) internal successors, (1060), 769 states have internal predecessors, (1060), 209 states have call successors, (209), 50 states have call predecessors, (209), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2022-07-21 11:38:15,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1478 transitions. [2022-07-21 11:38:15,460 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1478 transitions. Word has length 94 [2022-07-21 11:38:15,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:15,460 INFO L495 AbstractCegarLoop]: Abstraction has 1022 states and 1478 transitions. [2022-07-21 11:38:15,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 11:38:15,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1478 transitions. [2022-07-21 11:38:15,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-21 11:38:15,469 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:15,469 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:15,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 11:38:15,685 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 11:38:15,685 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:15,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:15,686 INFO L85 PathProgramCache]: Analyzing trace with hash -390287148, now seen corresponding path program 1 times [2022-07-21 11:38:15,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:38:15,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26853867] [2022-07-21 11:38:15,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:15,688 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:38:15,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:38:15,690 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 11:38:15,691 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 11:38:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:16,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 11:38:16,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:38:17,047 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-07-21 11:38:17,048 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:38:17,048 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:38:17,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26853867] [2022-07-21 11:38:17,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [26853867] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:17,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:17,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:38:17,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928229246] [2022-07-21 11:38:17,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:17,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:38:17,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:38:17,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:38:17,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:38:17,050 INFO L87 Difference]: Start difference. First operand 1022 states and 1478 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2022-07-21 11:38:17,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:17,264 INFO L93 Difference]: Finished difference Result 2037 states and 2949 transitions. [2022-07-21 11:38:17,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:38:17,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 94 [2022-07-21 11:38:17,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:17,270 INFO L225 Difference]: With dead ends: 2037 [2022-07-21 11:38:17,270 INFO L226 Difference]: Without dead ends: 1023 [2022-07-21 11:38:17,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:38:17,274 INFO L413 NwaCegarLoop]: 1476 mSDtfsCounter, 489 mSDsluCounter, 3826 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 5302 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:17,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 5302 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:38:17,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2022-07-21 11:38:17,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 1023. [2022-07-21 11:38:17,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 763 states have (on average 1.3905635648754915) internal successors, (1061), 770 states have internal predecessors, (1061), 209 states have call successors, (209), 50 states have call predecessors, (209), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2022-07-21 11:38:17,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1479 transitions. [2022-07-21 11:38:17,301 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1479 transitions. Word has length 94 [2022-07-21 11:38:17,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:17,302 INFO L495 AbstractCegarLoop]: Abstraction has 1023 states and 1479 transitions. [2022-07-21 11:38:17,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2022-07-21 11:38:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1479 transitions. [2022-07-21 11:38:17,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-21 11:38:17,304 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:17,305 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:17,332 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 11:38:17,519 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 11:38:17,519 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:17,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:17,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1297951251, now seen corresponding path program 1 times [2022-07-21 11:38:17,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:38:17,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123938256] [2022-07-21 11:38:17,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:17,521 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:38:17,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:38:17,540 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 11:38:17,587 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 11:38:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:18,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 11:38:18,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:38:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-07-21 11:38:18,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:38:19,693 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-07-21 11:38:19,693 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:38:19,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123938256] [2022-07-21 11:38:19,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123938256] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:38:19,694 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:38:19,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2022-07-21 11:38:19,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919560442] [2022-07-21 11:38:19,694 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:38:19,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 11:38:19,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:38:19,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 11:38:19,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:38:19,696 INFO L87 Difference]: Start difference. First operand 1023 states and 1479 transitions. Second operand has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-21 11:38:20,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:20,117 INFO L93 Difference]: Finished difference Result 2039 states and 2951 transitions. [2022-07-21 11:38:20,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:38:20,118 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 4 states have call successors, (11) Word has length 95 [2022-07-21 11:38:20,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:20,124 INFO L225 Difference]: With dead ends: 2039 [2022-07-21 11:38:20,124 INFO L226 Difference]: Without dead ends: 1024 [2022-07-21 11:38:20,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:38:20,130 INFO L413 NwaCegarLoop]: 1476 mSDtfsCounter, 490 mSDsluCounter, 6178 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 7654 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:20,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 7654 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 11:38:20,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2022-07-21 11:38:20,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1024. [2022-07-21 11:38:20,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 764 states have (on average 1.3900523560209423) internal successors, (1062), 771 states have internal predecessors, (1062), 209 states have call successors, (209), 50 states have call predecessors, (209), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2022-07-21 11:38:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1480 transitions. [2022-07-21 11:38:20,163 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1480 transitions. Word has length 95 [2022-07-21 11:38:20,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:20,164 INFO L495 AbstractCegarLoop]: Abstraction has 1024 states and 1480 transitions. [2022-07-21 11:38:20,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-21 11:38:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1480 transitions. [2022-07-21 11:38:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-21 11:38:20,170 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:20,170 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 11:38:20,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:38:20,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:38:20,383 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:20,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:20,384 INFO L85 PathProgramCache]: Analyzing trace with hash 629232628, now seen corresponding path program 2 times [2022-07-21 11:38:20,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:38:20,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [42668520] [2022-07-21 11:38:20,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:38:20,385 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:38:20,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:38:20,392 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:38:20,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 11:38:21,366 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:38:21,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:38:21,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:38:21,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:38:21,497 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-21 11:38:21,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:38:21,497 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:38:21,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [42668520] [2022-07-21 11:38:21,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [42668520] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:21,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:21,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:38:21,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119459734] [2022-07-21 11:38:21,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:21,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:38:21,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:38:21,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:38:21,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:38:21,499 INFO L87 Difference]: Start difference. First operand 1024 states and 1480 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 11:38:21,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:21,806 INFO L93 Difference]: Finished difference Result 2487 states and 3566 transitions. [2022-07-21 11:38:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:38:21,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 96 [2022-07-21 11:38:21,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:21,831 INFO L225 Difference]: With dead ends: 2487 [2022-07-21 11:38:21,832 INFO L226 Difference]: Without dead ends: 1475 [2022-07-21 11:38:21,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 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 11:38:21,836 INFO L413 NwaCegarLoop]: 1554 mSDtfsCounter, 630 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 2995 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 11:38:21,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 2995 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 11:38:21,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2022-07-21 11:38:21,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1473. [2022-07-21 11:38:21,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 1106 states have (on average 1.3806509945750451) internal successors, (1527), 1118 states have internal predecessors, (1527), 286 states have call successors, (286), 80 states have call predecessors, (286), 80 states have return successors, (286), 285 states have call predecessors, (286), 286 states have call successors, (286) [2022-07-21 11:38:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 2099 transitions. [2022-07-21 11:38:21,873 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 2099 transitions. Word has length 96 [2022-07-21 11:38:21,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:21,874 INFO L495 AbstractCegarLoop]: Abstraction has 1473 states and 2099 transitions. [2022-07-21 11:38:21,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 11:38:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2099 transitions. [2022-07-21 11:38:21,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-21 11:38:21,896 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:21,896 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 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, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:21,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 11:38:22,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:38:22,097 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:22,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:22,098 INFO L85 PathProgramCache]: Analyzing trace with hash 731292404, now seen corresponding path program 1 times [2022-07-21 11:38:22,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:38:22,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901778522] [2022-07-21 11:38:22,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:22,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:38:22,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:38:22,101 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:38:22,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 11:38:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:23,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 1613 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 11:38:23,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:38:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 294 proven. 3 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-07-21 11:38:23,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:38:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2022-07-21 11:38:24,936 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:38:24,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [901778522] [2022-07-21 11:38:24,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [901778522] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:38:24,936 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:38:24,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-21 11:38:24,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437068390] [2022-07-21 11:38:24,937 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:38:24,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:38:24,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:38:24,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:38:24,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:38:24,938 INFO L87 Difference]: Start difference. First operand 1473 states and 2099 transitions. Second operand has 11 states, 9 states have (on average 10.555555555555555) internal successors, (95), 11 states have internal predecessors, (95), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 2 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-21 11:38:25,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:25,424 INFO L93 Difference]: Finished difference Result 2936 states and 4188 transitions. [2022-07-21 11:38:25,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:38:25,425 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.555555555555555) internal successors, (95), 11 states have internal predecessors, (95), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 2 states have call predecessors, (27), 4 states have call successors, (27) Word has length 224 [2022-07-21 11:38:25,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:25,432 INFO L225 Difference]: With dead ends: 2936 [2022-07-21 11:38:25,433 INFO L226 Difference]: Without dead ends: 1475 [2022-07-21 11:38:25,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:38:25,439 INFO L413 NwaCegarLoop]: 1476 mSDtfsCounter, 491 mSDsluCounter, 7652 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 9128 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:25,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 9128 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 11:38:25,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2022-07-21 11:38:25,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2022-07-21 11:38:25,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1108 states have (on average 1.3799638989169676) internal successors, (1529), 1120 states have internal predecessors, (1529), 286 states have call successors, (286), 80 states have call predecessors, (286), 80 states have return successors, (286), 285 states have call predecessors, (286), 286 states have call successors, (286) [2022-07-21 11:38:25,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2101 transitions. [2022-07-21 11:38:25,507 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2101 transitions. Word has length 224 [2022-07-21 11:38:25,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:25,508 INFO L495 AbstractCegarLoop]: Abstraction has 1475 states and 2101 transitions. [2022-07-21 11:38:25,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.555555555555555) internal successors, (95), 11 states have internal predecessors, (95), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 2 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-21 11:38:25,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2101 transitions. [2022-07-21 11:38:25,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-21 11:38:25,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:25,513 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:25,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 11:38:25,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:38:25,727 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:25,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:25,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1262573005, now seen corresponding path program 2 times [2022-07-21 11:38:25,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:38:25,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048185603] [2022-07-21 11:38:25,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:38:25,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:38:25,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:38:25,731 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:38:25,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 11:38:33,633 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:38:33,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:38:33,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-21 11:38:33,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:38:33,749 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-07-21 11:38:35,940 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ldv_init_zalloc_~p~2.base_BEFORE_CALL_1 (_ BitVec 64))) (= ((as const (Array (_ BitVec 64) (_ BitVec 8))) (_ bv0 8)) (select |c_#memory_int| v_ldv_init_zalloc_~p~2.base_BEFORE_CALL_1))) is different from true [2022-07-21 11:38:36,507 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 38 treesize of output 28 [2022-07-21 11:38:36,635 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-07-21 11:38:36,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:38:36,635 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:38:36,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048185603] [2022-07-21 11:38:36,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048185603] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:36,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:36,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 11:38:36,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88894242] [2022-07-21 11:38:36,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:36,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 11:38:36,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:38:36,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 11:38:36,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=58, Unknown=1, NotChecked=14, Total=90 [2022-07-21 11:38:36,637 INFO L87 Difference]: Start difference. First operand 1475 states and 2101 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 8 states have internal predecessors, (82), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-21 11:38:38,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:40,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:42,734 WARN L534 Checker$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 11:38:44,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:46,758 WARN L534 Checker$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 11:38:48,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:51,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:54,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:56,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:00,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:02,328 WARN L534 Checker$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 11:39:04,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:06,334 WARN L534 Checker$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 11:39:08,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:10,349 WARN L534 Checker$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 11:39:12,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:16,031 WARN L534 Checker$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 11:39:18,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:25,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:31,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:32,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:34,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:36,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:38,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:40,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:42,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:44,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:50,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:51,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:52,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:39:55,004 WARN L534 Checker$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 11:39:58,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:00,823 WARN L534 Checker$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 11:40:02,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:04,314 WARN L534 Checker$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 11:40:05,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:09,076 WARN L534 Checker$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 11:40:26,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:28,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:31,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:35,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:37,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:39,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:40,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:42,326 WARN L534 Checker$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 11:40:45,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:47,157 WARN L534 Checker$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 11:40:49,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:51,188 WARN L534 Checker$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 11:40:53,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:40:55,239 WARN L534 Checker$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 11:41:01,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:41:04,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:41:12,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:41:13,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:41:18,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:41:20,652 WARN L534 Checker$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 11:41:21,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:41:24,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:41:31,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:41:41,394 WARN L534 Checker$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 11:41:43,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:41:45,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:41:47,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:41:49,185 WARN L534 Checker$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 11:41:51,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []