./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.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 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 22:59:30,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:59:30,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:59:30,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:59:30,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:59:30,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:59:30,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:59:30,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:59:30,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:59:30,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:59:30,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:59:30,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:59:30,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:59:30,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:59:30,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:59:30,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:59:30,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:59:30,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:59:30,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:59:30,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:59:30,445 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:59:30,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:59:30,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:59:30,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:59:30,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:59:30,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:59:30,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:59:30,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:59:30,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:59:30,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:59:30,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:59:30,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:59:30,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:59:30,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:59:30,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:59:30,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:59:30,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:59:30,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:59:30,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:59:30,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:59:30,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:59:30,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:59:30,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 22:59:30,487 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:59:30,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:59:30,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:59:30,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:59:30,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:59:30,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:59:30,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:59:30,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:59:30,489 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:59:30,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:59:30,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 22:59:30,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:59:30,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:59:30,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:59:30,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:59:30,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:59:30,491 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:59:30,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:59:30,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:59:30,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:59:30,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:59:30,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:59:30,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:59:30,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:59:30,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:59:30,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 22:59:30,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 22:59:30,493 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:59:30,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:59:30,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:59:30,493 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 [2022-07-22 22:59:30,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:59:30,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:59:30,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:59:30,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:59:30,701 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:59:30,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-07-22 22:59:30,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a93095598/9cbc643bb2b94051a9fee8b7f4be1cd5/FLAGc342f2958 [2022-07-22 22:59:31,379 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:59:31,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-07-22 22:59:31,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a93095598/9cbc643bb2b94051a9fee8b7f4be1cd5/FLAGc342f2958 [2022-07-22 22:59:31,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a93095598/9cbc643bb2b94051a9fee8b7f4be1cd5 [2022-07-22 22:59:31,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:59:31,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:59:31,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:59:31,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:59:31,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:59:31,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:59:31" (1/1) ... [2022-07-22 22:59:31,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae2f97f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:31, skipping insertion in model container [2022-07-22 22:59:31,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:59:31" (1/1) ... [2022-07-22 22:59:31,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:59:31,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:59:32,861 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-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-07-22 22:59:32,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:59:32,899 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:59:33,077 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) [2022-07-22 22:59:33,086 INFO L158 Benchmark]: Toolchain (without parser) took 1304.25ms. Allocated memory was 98.6MB in the beginning and 169.9MB in the end (delta: 71.3MB). Free memory was 56.1MB in the beginning and 127.3MB in the end (delta: -71.2MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-07-22 22:59:33,087 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 98.6MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:59:33,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1301.70ms. Allocated memory was 98.6MB in the beginning and 169.9MB in the end (delta: 71.3MB). Free memory was 56.0MB in the beginning and 127.3MB in the end (delta: -71.4MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-07-22 22:59:33,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 98.6MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1301.70ms. Allocated memory was 98.6MB in the beginning and 169.9MB in the end (delta: 71.3MB). Free memory was 56.0MB in the beginning and 127.3MB in the end (delta: -71.4MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.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 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 22:59:34,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:59:34,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:59:34,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:59:34,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:59:34,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:59:34,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:59:34,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:59:34,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:59:34,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:59:34,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:59:34,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:59:34,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:59:34,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:59:34,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:59:34,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:59:34,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:59:34,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:59:34,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:59:34,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:59:34,757 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:59:34,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:59:34,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:59:34,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:59:34,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:59:34,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:59:34,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:59:34,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:59:34,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:59:34,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:59:34,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:59:34,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:59:34,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:59:34,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:59:34,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:59:34,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:59:34,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:59:34,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:59:34,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:59:34,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:59:34,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:59:34,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:59:34,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 22:59:34,807 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:59:34,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:59:34,808 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:59:34,808 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:59:34,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:59:34,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:59:34,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:59:34,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:59:34,810 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:59:34,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:59:34,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:59:34,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:59:34,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:59:34,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:59:34,811 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 22:59:34,812 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 22:59:34,812 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 22:59:34,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:59:34,812 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:59:34,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:59:34,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:59:34,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:59:34,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:59:34,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:59:34,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:59:34,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:59:34,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:59:34,813 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 22:59:34,813 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 22:59:34,813 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:59:34,814 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:59:34,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:59:34,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 22:59:34,814 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 [2022-07-22 22:59:35,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:59:35,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:59:35,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:59:35,114 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:59:35,114 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:59:35,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-07-22 22:59:35,174 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e38760f/f05380bc0b1c499eafbaac771d8d5901/FLAGac8b9ee4f [2022-07-22 22:59:35,711 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:59:35,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-07-22 22:59:35,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e38760f/f05380bc0b1c499eafbaac771d8d5901/FLAGac8b9ee4f [2022-07-22 22:59:36,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e38760f/f05380bc0b1c499eafbaac771d8d5901 [2022-07-22 22:59:36,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:59:36,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:59:36,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:59:36,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:59:36,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:59:36,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:59:36" (1/1) ... [2022-07-22 22:59:36,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e28112f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:36, skipping insertion in model container [2022-07-22 22:59:36,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:59:36" (1/1) ... [2022-07-22 22:59:36,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:59:36,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:59:37,324 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-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-07-22 22:59:37,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:59:37,350 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 22:59:37,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:59:37,560 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-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-07-22 22:59:37,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:59:37,582 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:59:37,724 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-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-07-22 22:59:37,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:59:37,796 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:59:37,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:37 WrapperNode [2022-07-22 22:59:37,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:59:37,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:59:37,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:59:37,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:59:37,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:37" (1/1) ... [2022-07-22 22:59:37,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:37" (1/1) ... [2022-07-22 22:59:38,005 INFO L137 Inliner]: procedures = 160, calls = 1210, calls flagged for inlining = 64, calls inlined = 64, statements flattened = 2672 [2022-07-22 22:59:38,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:59:38,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:59:38,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:59:38,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:59:38,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:37" (1/1) ... [2022-07-22 22:59:38,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:37" (1/1) ... [2022-07-22 22:59:38,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:37" (1/1) ... [2022-07-22 22:59:38,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:37" (1/1) ... [2022-07-22 22:59:38,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:37" (1/1) ... [2022-07-22 22:59:38,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:37" (1/1) ... [2022-07-22 22:59:38,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:37" (1/1) ... [2022-07-22 22:59:38,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:59:38,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:59:38,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:59:38,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:59:38,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:37" (1/1) ... [2022-07-22 22:59:38,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:59:38,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:59:38,249 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) [2022-07-22 22:59:38,279 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 [2022-07-22 22:59:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-07-22 22:59:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-07-22 22:59:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 22:59:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-22 22:59:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 22:59:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 22:59:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-22 22:59:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 22:59:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-07-22 22:59:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-07-22 22:59:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-07-22 22:59:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-07-22 22:59:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-07-22 22:59:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-07-22 22:59:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-07-22 22:59:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-07-22 22:59:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 22:59:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 22:59:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-22 22:59:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-22 22:59:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 22:59:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 22:59:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-07-22 22:59:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-07-22 22:59:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-07-22 22:59:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-07-22 22:59:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-07-22 22:59:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-07-22 22:59:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 22:59:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 22:59:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-22 22:59:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-22 22:59:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-07-22 22:59:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-07-22 22:59:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 22:59:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 22:59:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-22 22:59:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-22 22:59:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-22 22:59:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-07-22 22:59:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-07-22 22:59:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-22 22:59:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-22 22:59:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-22 22:59:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-22 22:59:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-22 22:59:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 22:59:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 22:59:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-07-22 22:59:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-07-22 22:59:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-22 22:59:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-22 22:59:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-07-22 22:59:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-07-22 22:59:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:59:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-07-22 22:59:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-07-22 22:59:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-07-22 22:59:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-07-22 22:59:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-07-22 22:59:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-07-22 22:59:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-07-22 22:59:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-07-22 22:59:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:59:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:59:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-07-22 22:59:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-07-22 22:59:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 22:59:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-22 22:59:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-07-22 22:59:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-07-22 22:59:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-22 22:59:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-07-22 22:59:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-07-22 22:59:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-22 22:59:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-22 22:59:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-22 22:59:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-07-22 22:59:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-07-22 22:59:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-07-22 22:59:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-07-22 22:59:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 22:59:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-22 22:59:38,320 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-22 22:59:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-22 22:59:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-22 22:59:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 22:59:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 22:59:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:59:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-07-22 22:59:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-07-22 22:59:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-22 22:59:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-22 22:59:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-07-22 22:59:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-07-22 22:59:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 22:59:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-07-22 22:59:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-07-22 22:59:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 22:59:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 22:59:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-22 22:59:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-22 22:59:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-22 22:59:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-22 22:59:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-22 22:59:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-22 22:59:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-22 22:59:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-07-22 22:59:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-07-22 22:59:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-07-22 22:59:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-07-22 22:59:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-07-22 22:59:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-07-22 22:59:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-07-22 22:59:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-07-22 22:59:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-07-22 22:59:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-07-22 22:59:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-07-22 22:59:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-07-22 22:59:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-22 22:59:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:59:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:59:38,809 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:59:38,811 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:00:19,049 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:00:19,063 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:00:19,071 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 23:00:19,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:00:19 BoogieIcfgContainer [2022-07-22 23:00:19,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:00:19,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:00:19,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:00:19,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:00:19,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:59:36" (1/3) ... [2022-07-22 23:00:19,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e29ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:00:19, skipping insertion in model container [2022-07-22 23:00:19,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:59:37" (2/3) ... [2022-07-22 23:00:19,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e29ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:00:19, skipping insertion in model container [2022-07-22 23:00:19,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:00:19" (3/3) ... [2022-07-22 23:00:19,091 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-07-22 23:00:19,119 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:00:19,124 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:00:19,225 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:00:19,234 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@347b82d6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@626f7c47 [2022-07-22 23:00:19,234 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:00:19,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 968 states, 708 states have (on average 1.3785310734463276) internal successors, (976), 716 states have internal predecessors, (976), 212 states have call successors, (212), 46 states have call predecessors, (212), 46 states have return successors, (212), 212 states have call predecessors, (212), 212 states have call successors, (212) [2022-07-22 23:00:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-07-22 23:00:19,273 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:00:19,273 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-22 23:00:19,274 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:00:19,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:00:19,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1364499313, now seen corresponding path program 1 times [2022-07-22 23:00:19,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:00:19,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907201422] [2022-07-22 23:00:19,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:00:19,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:00:19,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:00:19,339 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) [2022-07-22 23:00:19,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 23:00:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:00:20,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 23:00:20,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:00:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-22 23:00:20,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:00:20,953 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:00:20,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907201422] [2022-07-22 23:00:20,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [907201422] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:00:20,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:00:20,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 23:00:20,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22977533] [2022-07-22 23:00:20,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:00:20,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:00:20,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:00:20,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:00:20,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:00:21,002 INFO L87 Difference]: Start difference. First operand has 968 states, 708 states have (on average 1.3785310734463276) internal successors, (976), 716 states have internal predecessors, (976), 212 states have call successors, (212), 46 states have call predecessors, (212), 46 states have return successors, (212), 212 states have call predecessors, (212), 212 states have call successors, (212) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-22 23:00:21,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:00:21,321 INFO L93 Difference]: Finished difference Result 1939 states and 2828 transitions. [2022-07-22 23:00:21,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:00:21,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 87 [2022-07-22 23:00:21,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:00:21,342 INFO L225 Difference]: With dead ends: 1939 [2022-07-22 23:00:21,343 INFO L226 Difference]: Without dead ends: 959 [2022-07-22 23:00:21,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:00:21,355 INFO L413 NwaCegarLoop]: 1395 mSDtfsCounter, 3 mSDsluCounter, 4171 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5566 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 23:00:21,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5566 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 23:00:21,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2022-07-22 23:00:21,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2022-07-22 23:00:21,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 700 states have (on average 1.37) internal successors, (959), 708 states have internal predecessors, (959), 211 states have call successors, (211), 46 states have call predecessors, (211), 47 states have return successors, (218), 211 states have call predecessors, (218), 211 states have call successors, (218) [2022-07-22 23:00:21,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1388 transitions. [2022-07-22 23:00:21,442 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1388 transitions. Word has length 87 [2022-07-22 23:00:21,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:00:21,443 INFO L495 AbstractCegarLoop]: Abstraction has 959 states and 1388 transitions. [2022-07-22 23:00:21,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-22 23:00:21,443 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1388 transitions. [2022-07-22 23:00:21,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-07-22 23:00:21,447 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:00:21,447 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 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] [2022-07-22 23:00:21,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-22 23:00:21,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:00:21,674 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:00:21,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:00:21,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1592292097, now seen corresponding path program 1 times [2022-07-22 23:00:21,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:00:21,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605150225] [2022-07-22 23:00:21,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:00:21,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:00:21,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:00:21,690 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) [2022-07-22 23:00:21,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 23:00:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:00:22,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 23:00:22,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:00:23,027 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 23:00:23,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:00:23,030 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:00:23,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605150225] [2022-07-22 23:00:23,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [605150225] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:00:23,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:00:23,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 23:00:23,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20139433] [2022-07-22 23:00:23,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:00:23,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:00:23,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:00:23,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:00:23,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:00:23,033 INFO L87 Difference]: Start difference. First operand 959 states and 1388 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-22 23:00:23,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:00:23,247 INFO L93 Difference]: Finished difference Result 1910 states and 2763 transitions. [2022-07-22 23:00:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:00:23,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 90 [2022-07-22 23:00:23,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:00:23,253 INFO L225 Difference]: With dead ends: 1910 [2022-07-22 23:00:23,253 INFO L226 Difference]: Without dead ends: 959 [2022-07-22 23:00:23,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:00:23,257 INFO L413 NwaCegarLoop]: 1379 mSDtfsCounter, 0 mSDsluCounter, 4122 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5501 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 23:00:23,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5501 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 23:00:23,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2022-07-22 23:00:23,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2022-07-22 23:00:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 700 states have (on average 1.37) internal successors, (959), 708 states have internal predecessors, (959), 211 states have call successors, (211), 46 states have call predecessors, (211), 47 states have return successors, (217), 211 states have call predecessors, (217), 211 states have call successors, (217) [2022-07-22 23:00:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1387 transitions. [2022-07-22 23:00:23,345 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1387 transitions. Word has length 90 [2022-07-22 23:00:23,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:00:23,346 INFO L495 AbstractCegarLoop]: Abstraction has 959 states and 1387 transitions. [2022-07-22 23:00:23,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-22 23:00:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1387 transitions. [2022-07-22 23:00:23,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-22 23:00:23,357 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:00:23,357 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 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] [2022-07-22 23:00:23,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-22 23:00:23,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:00:23,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:00:23,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:00:23,580 INFO L85 PathProgramCache]: Analyzing trace with hash -893601957, now seen corresponding path program 2 times [2022-07-22 23:00:23,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:00:23,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [680027052] [2022-07-22 23:00:23,582 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 23:00:23,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:00:23,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:00:23,585 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) [2022-07-22 23:00:23,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 23:00:30,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-22 23:00:30,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 23:00:30,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 27 conjunts are in the unsatisfiable core [2022-07-22 23:00:30,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:00:31,634 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 499 treesize of output 379 [2022-07-22 23:00:31,650 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 379 treesize of output 259 [2022-07-22 23:00:31,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:00:31,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:00:31,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:00:31,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:00:31,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:00:31,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:00:33,707 INFO L356 Elim1Store]: treesize reduction 1113, result has 16.4 percent of original size [2022-07-22 23:00:33,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 259 treesize of output 289 [2022-07-22 23:00:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-07-22 23:00:40,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:00:40,344 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:00:40,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [680027052] [2022-07-22 23:00:40,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [680027052] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:00:40,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:00:40,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 23:00:40,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057505417] [2022-07-22 23:00:40,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:00:40,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 23:00:40,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:00:40,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 23:00:40,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-07-22 23:00:40,348 INFO L87 Difference]: Start difference. First operand 959 states and 1387 transitions. Second operand has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-22 23:00:44,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:00:45,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:00:48,017 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:00:50,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:00:53,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:00:54,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:01:00,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:01:02,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:01:05,101 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 [] [2022-07-22 23:01:14,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:01:14,102 INFO L93 Difference]: Finished difference Result 2307 states and 3377 transitions. [2022-07-22 23:01:14,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 23:01:14,105 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 93 [2022-07-22 23:01:14,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:01:14,114 INFO L225 Difference]: With dead ends: 2307 [2022-07-22 23:01:14,114 INFO L226 Difference]: Without dead ends: 1363 [2022-07-22 23:01:14,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-07-22 23:01:14,118 INFO L413 NwaCegarLoop]: 1946 mSDtfsCounter, 407 mSDsluCounter, 6835 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 8781 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 698 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:01:14,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 8781 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 479 Invalid, 5 Unknown, 698 Unchecked, 33.1s Time] [2022-07-22 23:01:14,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2022-07-22 23:01:14,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 968. [2022-07-22 23:01:14,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 708 states have (on average 1.36864406779661) internal successors, (969), 716 states have internal predecessors, (969), 212 states have call successors, (212), 47 states have call predecessors, (212), 47 states have return successors, (218), 211 states have call predecessors, (218), 212 states have call successors, (218) [2022-07-22 23:01:14,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1399 transitions. [2022-07-22 23:01:14,146 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1399 transitions. Word has length 93 [2022-07-22 23:01:14,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:01:14,147 INFO L495 AbstractCegarLoop]: Abstraction has 968 states and 1399 transitions. [2022-07-22 23:01:14,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-22 23:01:14,147 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1399 transitions. [2022-07-22 23:01:14,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-22 23:01:14,149 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:01:14,150 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 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] [2022-07-22 23:01:14,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 23:01:14,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:01:14,364 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:01:14,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:01:14,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1027615463, now seen corresponding path program 1 times [2022-07-22 23:01:14,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:01:14,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608623508] [2022-07-22 23:01:14,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:01:14,366 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:01:14,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:01:14,368 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) [2022-07-22 23:01:14,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 23:01:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:01:24,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-07-22 23:01:24,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:01:25,767 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 13 treesize of output 9 [2022-07-22 23:01:30,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 23:01:30,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:01:30,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:01:30,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:01:31,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:01:31,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 23:01:31,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:01:31,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:01:31,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:01:31,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:01:31,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:01:31,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 23:01:31,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:01:31,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:01:31,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 23:01:31,711 INFO L356 Elim1Store]: treesize reduction 134, result has 44.6 percent of original size [2022-07-22 23:01:31,712 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 185 treesize of output 158 [2022-07-22 23:01:31,748 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 148 treesize of output 116 [2022-07-22 23:01:31,776 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 123 treesize of output 99 [2022-07-22 23:01:35,961 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 23:01:35,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:01:39,914 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 202 treesize of output 154 [2022-07-22 23:01:39,934 INFO L356 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2022-07-22 23:01:39,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 154 treesize of output 1 [2022-07-22 23:01:40,405 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-07-22 23:01:40,405 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:01:40,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1608623508] [2022-07-22 23:01:40,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1608623508] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-22 23:01:40,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 23:01:40,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 25 [2022-07-22 23:01:40,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117958865] [2022-07-22 23:01:40,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:01:40,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 23:01:40,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:01:40,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 23:01:40,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-07-22 23:01:40,407 INFO L87 Difference]: Start difference. First operand 968 states and 1399 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-22 23:01:42,485 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 [] [2022-07-22 23:01:44,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:01:47,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:01:48,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:01:50,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:01:53,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:01:54,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:01:55,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:01:58,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:00,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:03,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:05,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:11,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:13,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:17,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:20,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:22,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:24,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:25,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:27,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:28,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:32,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:37,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:38,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:40,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:49,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:50,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:02:53,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:03:01,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:03:02,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:03:04,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:03:09,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:03:12,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:03:14,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:03:16,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:03:26,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:03:26,802 INFO L93 Difference]: Finished difference Result 1934 states and 2800 transitions. [2022-07-22 23:03:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 23:03:26,806 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 93 [2022-07-22 23:03:26,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:03:26,811 INFO L225 Difference]: With dead ends: 1934 [2022-07-22 23:03:26,812 INFO L226 Difference]: Without dead ends: 989 [2022-07-22 23:03:26,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 153 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-07-22 23:03:26,816 INFO L413 NwaCegarLoop]: 1392 mSDtfsCounter, 24 mSDsluCounter, 6924 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 2 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 8316 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 748 IncrementalHoareTripleChecker+Unchecked, 106.3s IncrementalHoareTripleChecker+Time [2022-07-22 23:03:26,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 8316 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 704 Invalid, 17 Unknown, 748 Unchecked, 106.3s Time] [2022-07-22 23:03:26,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2022-07-22 23:03:26,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 974. [2022-07-22 23:03:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 712 states have (on average 1.3679775280898876) internal successors, (974), 722 states have internal predecessors, (974), 213 states have call successors, (213), 47 states have call predecessors, (213), 48 states have return successors, (222), 211 states have call predecessors, (222), 213 states have call successors, (222) [2022-07-22 23:03:26,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1409 transitions. [2022-07-22 23:03:26,851 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1409 transitions. Word has length 93 [2022-07-22 23:03:26,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:03:26,852 INFO L495 AbstractCegarLoop]: Abstraction has 974 states and 1409 transitions. [2022-07-22 23:03:26,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-22 23:03:26,853 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1409 transitions. [2022-07-22 23:03:26,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-22 23:03:26,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:03:26,858 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 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] [2022-07-22 23:03:26,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-22 23:03:27,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:03:27,071 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:03:27,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:03:27,072 INFO L85 PathProgramCache]: Analyzing trace with hash -980358125, now seen corresponding path program 1 times [2022-07-22 23:03:27,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:03:27,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1858501870] [2022-07-22 23:03:27,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:03:27,073 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:03:27,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:03:27,074 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) [2022-07-22 23:03:27,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 23:03:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:03:36,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 40 conjunts are in the unsatisfiable core [2022-07-22 23:03:36,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:03:37,439 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 13 treesize of output 9 [2022-07-22 23:03:42,074 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 263 treesize of output 215 [2022-07-22 23:03:42,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 23:03:42,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:03:42,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:03:42,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:03:42,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:03:42,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 23:03:42,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:03:42,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:03:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:03:42,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:03:42,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 23:03:42,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:03:42,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:03:42,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:03:42,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 23:03:42,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 23:03:42,753 INFO L356 Elim1Store]: treesize reduction 109, result has 41.1 percent of original size [2022-07-22 23:03:42,754 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 215 treesize of output 133 [2022-07-22 23:03:42,778 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 170 treesize of output 134 [2022-07-22 23:03:47,833 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 23:03:47,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:03:53,218 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 495 treesize of output 375 [2022-07-22 23:03:53,281 INFO L356 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2022-07-22 23:03:53,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 375 treesize of output 1 [2022-07-22 23:03:53,721 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-07-22 23:03:53,721 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:03:53,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1858501870] [2022-07-22 23:03:53,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1858501870] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-22 23:03:53,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 23:03:53,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 25 [2022-07-22 23:03:53,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126747572] [2022-07-22 23:03:53,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:03:53,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 23:03:53,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:03:53,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 23:03:53,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-07-22 23:03:53,723 INFO L87 Difference]: Start difference. First operand 974 states and 1409 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-22 23:03:55,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:03:57,811 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:03:59,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:04:01,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:04:05,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:04:07,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []