./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:01:25,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:01:25,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:01:25,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:01:25,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:01:25,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:01:25,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:01:25,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:01:25,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:01:25,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:01:25,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:01:25,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:01:25,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:01:25,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:01:25,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:01:25,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:01:25,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:01:25,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:01:25,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:01:25,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:01:25,502 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:01:25,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:01:25,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:01:25,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:01:25,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:01:25,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:01:25,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:01:25,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:01:25,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:01:25,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:01:25,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:01:25,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:01:25,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:01:25,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:01:25,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:01:25,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:01:25,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:01:25,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:01:25,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:01:25,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:01:25,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:01:25,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:01:25,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:01:25,566 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:01:25,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:01:25,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:01:25,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:01:25,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:01:25,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:01:25,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:01:25,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:01:25,573 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:01:25,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:01:25,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:01:25,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:01:25,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:01:25,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:01:25,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:01:25,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:01:25,575 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:01:25,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:01:25,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:01:25,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:01:25,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:01:25,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:01:25,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:01:25,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:01:25,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:01:25,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:01:25,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:01:25,576 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:01:25,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:01:25,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:01:25,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 [2022-07-20 00:01:25,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:01:25,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:01:25,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:01:25,973 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:01:25,974 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:01:25,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-20 00:01:26,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a060e28/00f0ae7d2d844f43b7857c94b27e2079/FLAGa2eea25a6 [2022-07-20 00:01:27,027 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:01:27,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-20 00:01:27,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a060e28/00f0ae7d2d844f43b7857c94b27e2079/FLAGa2eea25a6 [2022-07-20 00:01:27,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a060e28/00f0ae7d2d844f43b7857c94b27e2079 [2022-07-20 00:01:27,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:01:27,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:01:27,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:01:27,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:01:27,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:01:27,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:01:27" (1/1) ... [2022-07-20 00:01:27,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2f9f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:27, skipping insertion in model container [2022-07-20 00:01:27,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:01:27" (1/1) ... [2022-07-20 00:01:27,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:01:27,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:01:28,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-20 00:01:29,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:01:29,471 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:01:29,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-20 00:01:29,742 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) [2022-07-20 00:01:29,748 INFO L158 Benchmark]: Toolchain (without parser) took 2183.31ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 51.4MB in the beginning and 44.2MB in the end (delta: 7.2MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-07-20 00:01:29,749 INFO L158 Benchmark]: CDTParser took 12.16ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 00:01:29,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2181.86ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 51.2MB in the beginning and 44.2MB in the end (delta: 7.0MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2022-07-20 00:01:29,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 12.16ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2181.86ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 51.2MB in the beginning and 44.2MB in the end (delta: 7.0MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:01:31,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:01:31,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:01:31,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:01:31,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:01:31,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:01:31,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:01:31,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:01:31,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:01:31,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:01:31,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:01:31,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:01:31,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:01:31,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:01:31,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:01:31,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:01:31,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:01:31,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:01:31,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:01:31,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:01:31,671 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:01:31,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:01:31,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:01:31,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:01:31,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:01:31,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:01:31,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:01:31,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:01:31,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:01:31,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:01:31,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:01:31,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:01:31,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:01:31,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:01:31,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:01:31,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:01:31,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:01:31,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:01:31,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:01:31,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:01:31,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:01:31,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:01:31,697 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 00:01:31,725 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:01:31,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:01:31,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:01:31,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:01:31,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:01:31,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:01:31,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:01:31,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:01:31,728 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:01:31,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:01:31,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:01:31,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:01:31,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:01:31,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:01:31,729 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 00:01:31,730 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 00:01:31,730 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 00:01:31,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:01:31,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:01:31,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:01:31,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:01:31,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:01:31,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:01:31,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:01:31,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:01:31,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:01:31,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:01:31,732 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 00:01:31,732 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 00:01:31,732 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:01:31,732 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:01:31,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:01:31,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 00:01:31,733 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 [2022-07-20 00:01:32,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:01:32,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:01:32,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:01:32,051 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:01:32,052 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:01:32,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-20 00:01:32,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10c2d0fb/81c557a9aaf04e1fa2bcfa7f10d76d20/FLAGe9fa628b7 [2022-07-20 00:01:33,024 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:01:33,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-20 00:01:33,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10c2d0fb/81c557a9aaf04e1fa2bcfa7f10d76d20/FLAGe9fa628b7 [2022-07-20 00:01:33,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10c2d0fb/81c557a9aaf04e1fa2bcfa7f10d76d20 [2022-07-20 00:01:33,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:01:33,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:01:33,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:01:33,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:01:33,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:01:33,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:01:33" (1/1) ... [2022-07-20 00:01:33,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f94bbfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:33, skipping insertion in model container [2022-07-20 00:01:33,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:01:33" (1/1) ... [2022-07-20 00:01:33,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:01:33,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:01:33,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-20 00:01:34,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:01:34,342 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 00:01:34,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:01:34,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-20 00:01:34,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:01:34,588 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:01:34,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-20 00:01:34,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:01:34,812 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:01:34,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:34 WrapperNode [2022-07-20 00:01:34,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:01:34,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:01:34,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:01:34,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:01:34,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:34" (1/1) ... [2022-07-20 00:01:34,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:34" (1/1) ... [2022-07-20 00:01:34,963 INFO L137 Inliner]: procedures = 174, calls = 1221, calls flagged for inlining = 70, calls inlined = 70, statements flattened = 2890 [2022-07-20 00:01:34,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:01:34,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:01:34,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:01:34,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:01:34,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:34" (1/1) ... [2022-07-20 00:01:34,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:34" (1/1) ... [2022-07-20 00:01:34,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:34" (1/1) ... [2022-07-20 00:01:34,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:34" (1/1) ... [2022-07-20 00:01:35,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:34" (1/1) ... [2022-07-20 00:01:35,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:34" (1/1) ... [2022-07-20 00:01:35,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:34" (1/1) ... [2022-07-20 00:01:35,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:01:35,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:01:35,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:01:35,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:01:35,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:34" (1/1) ... [2022-07-20 00:01:35,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:01:35,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:01:35,135 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) [2022-07-20 00:01:35,142 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 [2022-07-20 00:01:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-07-20 00:01:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-07-20 00:01:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 00:01:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 00:01:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 00:01:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:01:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 00:01:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:01:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:01:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:01:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-07-20 00:01:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-07-20 00:01:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-07-20 00:01:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-07-20 00:01:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-07-20 00:01:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-07-20 00:01:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-07-20 00:01:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-07-20 00:01:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:01:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:01:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-20 00:01:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-20 00:01:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:01:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:01:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-07-20 00:01:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-07-20 00:01:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-07-20 00:01:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-07-20 00:01:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-07-20 00:01:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-07-20 00:01:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:01:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:01:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 00:01:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 00:01:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-07-20 00:01:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-07-20 00:01:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:01:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:01:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-20 00:01:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-20 00:01:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:01:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:01:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-20 00:01:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-20 00:01:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 00:01:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-07-20 00:01:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-07-20 00:01:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 00:01:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 00:01:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 00:01:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:01:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:01:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-07-20 00:01:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-07-20 00:01:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-20 00:01:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-20 00:01:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-07-20 00:01:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-07-20 00:01:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:01:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:01:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:01:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-07-20 00:01:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-07-20 00:01:35,196 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-07-20 00:01:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-07-20 00:01:35,196 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-07-20 00:01:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-07-20 00:01:35,196 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-07-20 00:01:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-07-20 00:01:35,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:01:35,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 00:01:35,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 00:01:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:01:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-07-20 00:01:35,197 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-07-20 00:01:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:01:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 00:01:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-07-20 00:01:35,197 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-07-20 00:01:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 00:01:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-20 00:01:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-20 00:01:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-07-20 00:01:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-07-20 00:01:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-20 00:01:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-20 00:01:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 00:01:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-07-20 00:01:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-07-20 00:01:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-07-20 00:01:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-07-20 00:01:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:01:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 00:01:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 00:01:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 00:01:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 00:01:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:01:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 00:01:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:01:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-07-20 00:01:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-07-20 00:01:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-20 00:01:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-20 00:01:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-07-20 00:01:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-07-20 00:01:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 00:01:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-07-20 00:01:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-07-20 00:01:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 00:01:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 00:01:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:01:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:01:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 00:01:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 00:01:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 00:01:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-07-20 00:01:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-07-20 00:01:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-07-20 00:01:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-07-20 00:01:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-07-20 00:01:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-07-20 00:01:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-07-20 00:01:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-07-20 00:01:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-07-20 00:01:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-07-20 00:01:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-07-20 00:01:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-07-20 00:01:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 00:01:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 00:01:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-20 00:01:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:01:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:01:35,731 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:01:35,733 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:01:35,955 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:02:16,216 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:02:16,242 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:02:16,258 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:02:16,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:02:16 BoogieIcfgContainer [2022-07-20 00:02:16,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:02:16,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:02:16,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:02:16,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:02:16,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:01:33" (1/3) ... [2022-07-20 00:02:16,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504a0ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:02:16, skipping insertion in model container [2022-07-20 00:02:16,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:01:34" (2/3) ... [2022-07-20 00:02:16,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504a0ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:02:16, skipping insertion in model container [2022-07-20 00:02:16,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:02:16" (3/3) ... [2022-07-20 00:02:16,277 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-20 00:02:16,286 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:02:16,292 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:02:16,396 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:02:16,401 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@1ed6afd5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5efc887e [2022-07-20 00:02:16,401 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:02:16,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 1040 states, 771 states have (on average 1.404669260700389) internal successors, (1083), 787 states have internal predecessors, (1083), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (210), 210 states have call predecessors, (210), 210 states have call successors, (210) [2022-07-20 00:02:16,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-20 00:02:16,430 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:02:16,430 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:02:16,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:02:16,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:02:16,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1678977370, now seen corresponding path program 1 times [2022-07-20 00:02:16,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:02:16,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805653169] [2022-07-20 00:02:16,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:02:16,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:02:16,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:02:16,463 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) [2022-07-20 00:02:16,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 00:02:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:17,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:02:17,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:02:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 00:02:17,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:02:17,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:02:17,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805653169] [2022-07-20 00:02:17,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805653169] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:02:17,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:02:17,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:02:17,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77411361] [2022-07-20 00:02:17,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:02:17,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:02:17,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:02:17,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:02:17,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:02:17,649 INFO L87 Difference]: Start difference. First operand has 1040 states, 771 states have (on average 1.404669260700389) internal successors, (1083), 787 states have internal predecessors, (1083), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (210), 210 states have call predecessors, (210), 210 states have call successors, (210) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-20 00:02:18,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:02:18,172 INFO L93 Difference]: Finished difference Result 2531 states and 3685 transitions. [2022-07-20 00:02:18,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:02:18,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2022-07-20 00:02:18,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:02:18,222 INFO L225 Difference]: With dead ends: 2531 [2022-07-20 00:02:18,222 INFO L226 Difference]: Without dead ends: 1464 [2022-07-20 00:02:18,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:02:18,238 INFO L413 NwaCegarLoop]: 1581 mSDtfsCounter, 641 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 3054 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:02:18,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 3054 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 00:02:18,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2022-07-20 00:02:18,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1462. [2022-07-20 00:02:18,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1098 states have (on average 1.3852459016393444) internal successors, (1521), 1110 states have internal predecessors, (1521), 286 states have call successors, (286), 78 states have call predecessors, (286), 77 states have return successors, (285), 284 states have call predecessors, (285), 285 states have call successors, (285) [2022-07-20 00:02:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2092 transitions. [2022-07-20 00:02:18,493 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2092 transitions. Word has length 58 [2022-07-20 00:02:18,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:02:18,494 INFO L495 AbstractCegarLoop]: Abstraction has 1462 states and 2092 transitions. [2022-07-20 00:02:18,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-20 00:02:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2092 transitions. [2022-07-20 00:02:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-20 00:02:18,504 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:02:18,505 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:02:18,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-20 00:02:18,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:02:18,732 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:02:18,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:02:18,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1282308759, now seen corresponding path program 1 times [2022-07-20 00:02:18,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:02:18,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996778523] [2022-07-20 00:02:18,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:02:18,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:02:18,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:02:18,738 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) [2022-07-20 00:02:18,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 00:02:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:02:25,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-20 00:02:25,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:02:25,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 169 [2022-07-20 00:02:25,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 121 [2022-07-20 00:02:25,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 00:02:26,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 00:02:26,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 00:02:26,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 00:02:26,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 00:02:26,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 00:02:48,991 WARN L233 SmtUtils]: Spent 22.93s on a formula simplification. DAG size of input: 150 DAG size of output: 68 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-07-20 00:02:48,995 INFO L356 Elim1Store]: treesize reduction 993, result has 20.4 percent of original size [2022-07-20 00:02:48,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 121 treesize of output 304 [2022-07-20 00:03:06,730 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-07-20 00:03:06,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:03:06,732 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:03:06,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996778523] [2022-07-20 00:03:06,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [996778523] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:03:06,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:03:06,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 00:03:06,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448965134] [2022-07-20 00:03:06,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:03:06,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 00:03:06,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:03:06,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 00:03:06,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:03:06,738 INFO L87 Difference]: Start difference. First operand 1462 states and 2092 transitions. Second operand has 9 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-20 00:03:08,804 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 [] [2022-07-20 00:03:10,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:12,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:14,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:16,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:18,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:20,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:22,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:32,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:34,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:36,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:40,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:42,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:52,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:54,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:58,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:03:59,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:04:02,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:04:04,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:04:08,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:04:09,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:04:11,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:04:13,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:04:16,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:04:18,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:04:28,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:04:28,903 INFO L93 Difference]: Finished difference Result 2928 states and 4188 transitions. [2022-07-20 00:04:28,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 00:04:28,908 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 116 [2022-07-20 00:04:28,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:04:28,915 INFO L225 Difference]: With dead ends: 2928 [2022-07-20 00:04:28,915 INFO L226 Difference]: Without dead ends: 1467 [2022-07-20 00:04:28,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:04:28,920 INFO L413 NwaCegarLoop]: 1484 mSDtfsCounter, 10 mSDsluCounter, 5064 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 2 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6548 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 451 IncrementalHoareTripleChecker+Unchecked, 81.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:04:28,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 6548 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 443 Invalid, 18 Unknown, 451 Unchecked, 81.4s Time] [2022-07-20 00:04:28,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2022-07-20 00:04:28,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2022-07-20 00:04:28,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 1102 states have (on average 1.383847549909256) internal successors, (1525), 1114 states have internal predecessors, (1525), 287 states have call successors, (287), 79 states have call predecessors, (287), 77 states have return successors, (286), 284 states have call predecessors, (286), 286 states have call successors, (286) [2022-07-20 00:04:28,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2098 transitions. [2022-07-20 00:04:28,956 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2098 transitions. Word has length 116 [2022-07-20 00:04:28,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:04:28,957 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 2098 transitions. [2022-07-20 00:04:28,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-20 00:04:28,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2098 transitions. [2022-07-20 00:04:28,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-20 00:04:28,961 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:04:28,961 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:04:28,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:04:29,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:04:29,175 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:04:29,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:04:29,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1422857369, now seen corresponding path program 1 times [2022-07-20 00:04:29,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:04:29,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140504202] [2022-07-20 00:04:29,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:04:29,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:04:29,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:04:29,180 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) [2022-07-20 00:04:29,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 00:04:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:04:51,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-20 00:04:51,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:04:52,058 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 169 [2022-07-20 00:04:52,079 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 121 [2022-07-20 00:04:52,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 00:04:52,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 00:04:52,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 00:04:52,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 00:04:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 00:04:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 00:05:11,158 WARN L233 SmtUtils]: Spent 19.00s on a formula simplification. DAG size of input: 150 DAG size of output: 68 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-07-20 00:05:11,159 INFO L356 Elim1Store]: treesize reduction 993, result has 20.4 percent of original size [2022-07-20 00:05:11,159 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 121 treesize of output 304 [2022-07-20 00:05:23,223 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-07-20 00:05:23,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:05:23,224 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:05:23,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140504202] [2022-07-20 00:05:23,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140504202] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:05:23,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:05:23,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 00:05:23,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168015189] [2022-07-20 00:05:23,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:05:23,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 00:05:23,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:05:23,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 00:05:23,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:05:23,225 INFO L87 Difference]: Start difference. First operand 1467 states and 2098 transitions. Second operand has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 4 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-20 00:05:25,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:05:27,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:05:30,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:05:32,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:05:34,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:05:37,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:05:48,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:05:50,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:05:52,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:05:54,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:05:58,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:06:00,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:06:05,236 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 []