./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 6c24879c 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-?-6c24879 [2022-07-12 12:59:26,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:59:26,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:59:26,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:59:26,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:59:26,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:59:26,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:59:26,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:59:26,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:59:26,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:59:26,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:59:26,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:59:26,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:59:26,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:59:26,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:59:26,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:59:26,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:59:26,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:59:26,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:59:26,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:59:26,322 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:59:26,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:59:26,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:59:26,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:59:26,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:59:26,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:59:26,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:59:26,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:59:26,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:59:26,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:59:26,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:59:26,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:59:26,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:59:26,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:59:26,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:59:26,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:59:26,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:59:26,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:59:26,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:59:26,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:59:26,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:59:26,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:59:26,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:59:26,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:59:26,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:59:26,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:59:26,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:59:26,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:59:26,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:59:26,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:59:26,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:59:26,371 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:59:26,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:59:26,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:59:26,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:59:26,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:59:26,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:59:26,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:59:26,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:59:26,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:59:26,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:59:26,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:59:26,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:59:26,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:59:26,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:59:26,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:59:26,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:59:26,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:59:26,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:59:26,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:59:26,377 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:59:26,377 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:59:26,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:59:26,378 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 [2022-07-12 12:59:26,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:59:26,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:59:26,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:59:26,625 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:59:26,625 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:59:26,627 INFO L432 ainManager$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 [2022-07-12 12:59:26,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba76f2fd0/0a0b21b85cfd4d0baf98c305afedb167/FLAGd5ed4e031 [2022-07-12 12:59:27,417 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:59:27,418 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 [2022-07-12 12:59:27,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba76f2fd0/0a0b21b85cfd4d0baf98c305afedb167/FLAGd5ed4e031 [2022-07-12 12:59:27,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba76f2fd0/0a0b21b85cfd4d0baf98c305afedb167 [2022-07-12 12:59:27,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:59:27,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:59:27,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:59:27,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:59:27,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:59:27,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:59:27" (1/1) ... [2022-07-12 12:59:27,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f1e2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:27, skipping insertion in model container [2022-07-12 12:59:27,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:59:27" (1/1) ... [2022-07-12 12:59:27,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:59:27,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:59:28,368 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] [2022-07-12 12:59:29,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:59:29,108 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:59:29,187 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] [2022-07-12 12:59:29,260 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) [2022-07-12 12:59:29,270 INFO L158 Benchmark]: Toolchain (without parser) took 1740.10ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 55.3MB in the beginning and 52.1MB in the end (delta: 3.3MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-07-12 12:59:29,271 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory was 77.1MB in the beginning and 77.1MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:59:29,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1737.56ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 55.1MB in the beginning and 52.1MB in the end (delta: 3.1MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-07-12 12:59:29,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory was 77.1MB in the beginning and 77.1MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1737.56ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 55.1MB in the beginning and 52.1MB in the end (delta: 3.1MB). Peak memory consumption was 38.5MB. 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-?-6c24879 [2022-07-12 12:59:31,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:59:31,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:59:31,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:59:31,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:59:31,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:59:31,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:59:31,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:59:31,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:59:31,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:59:31,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:59:31,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:59:31,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:59:31,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:59:31,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:59:31,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:59:31,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:59:31,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:59:31,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:59:31,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:59:31,172 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:59:31,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:59:31,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:59:31,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:59:31,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:59:31,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:59:31,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:59:31,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:59:31,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:59:31,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:59:31,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:59:31,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:59:31,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:59:31,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:59:31,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:59:31,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:59:31,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:59:31,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:59:31,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:59:31,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:59:31,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:59:31,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:59:31,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 12:59:31,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:59:31,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:59:31,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:59:31,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:59:31,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:59:31,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:59:31,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:59:31,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:59:31,237 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:59:31,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:59:31,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:59:31,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:59:31,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:59:31,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:59:31,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 12:59:31,239 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 12:59:31,239 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 12:59:31,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:59:31,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:59:31,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:59:31,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:59:31,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:59:31,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:59:31,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:59:31,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:59:31,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:59:31,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:59:31,242 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 12:59:31,242 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 12:59:31,242 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:59:31,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:59:31,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:59:31,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 12:59:31,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 [2022-07-12 12:59:31,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:59:31,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:59:31,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:59:31,634 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:59:31,634 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:59:31,636 INFO L432 ainManager$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 [2022-07-12 12:59:31,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4773f5ad4/116ce9b4b9874dbcbd870d28b85baacd/FLAG501a13bd2 [2022-07-12 12:59:32,413 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:59:32,414 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 [2022-07-12 12:59:32,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4773f5ad4/116ce9b4b9874dbcbd870d28b85baacd/FLAG501a13bd2 [2022-07-12 12:59:32,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4773f5ad4/116ce9b4b9874dbcbd870d28b85baacd [2022-07-12 12:59:32,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:59:32,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:59:32,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:59:32,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:59:32,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:59:32,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:59:32" (1/1) ... [2022-07-12 12:59:32,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e2a1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:32, skipping insertion in model container [2022-07-12 12:59:32,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:59:32" (1/1) ... [2022-07-12 12:59:32,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:59:32,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:59:33,296 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] [2022-07-12 12:59:33,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:59:33,877 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 12:59:33,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:59:34,014 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] [2022-07-12 12:59:34,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:59:34,187 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:59:34,277 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] [2022-07-12 12:59:34,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:59:34,595 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:59:34,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:34 WrapperNode [2022-07-12 12:59:34,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:59:34,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:59:34,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:59:34,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:59:34,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:34" (1/1) ... [2022-07-12 12:59:34,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:34" (1/1) ... [2022-07-12 12:59:34,788 INFO L137 Inliner]: procedures = 174, calls = 1221, calls flagged for inlining = 70, calls inlined = 70, statements flattened = 2890 [2022-07-12 12:59:34,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:59:34,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:59:34,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:59:34,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:59:34,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:34" (1/1) ... [2022-07-12 12:59:34,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:34" (1/1) ... [2022-07-12 12:59:34,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:34" (1/1) ... [2022-07-12 12:59:34,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:34" (1/1) ... [2022-07-12 12:59:34,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:34" (1/1) ... [2022-07-12 12:59:34,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:34" (1/1) ... [2022-07-12 12:59:34,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:34" (1/1) ... [2022-07-12 12:59:35,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:59:35,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:59:35,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:59:35,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:59:35,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:34" (1/1) ... [2022-07-12 12:59:35,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:59:35,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:59:35,044 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) [2022-07-12 12:59:35,071 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 [2022-07-12 12:59:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-07-12 12:59:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-07-12 12:59:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 12:59:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 12:59:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 12:59:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:59:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 12:59:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:59:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:59:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:59:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-07-12 12:59:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-07-12 12:59:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-07-12 12:59:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-07-12 12:59:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-07-12 12:59:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-07-12 12:59:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-07-12 12:59:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-07-12 12:59:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:59:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:59:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-12 12:59:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-12 12:59:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:59:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:59:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-07-12 12:59:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-07-12 12:59:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-07-12 12:59:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-07-12 12:59:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-07-12 12:59:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-07-12 12:59:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:59:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:59:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 12:59:35,092 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 12:59:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-07-12 12:59:35,092 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-07-12 12:59:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 12:59:35,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 12:59:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-12 12:59:35,093 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-12 12:59:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:59:35,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:59:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-12 12:59:35,093 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-12 12:59:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 12:59:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-07-12 12:59:35,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-07-12 12:59:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 12:59:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 12:59:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 12:59:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:59:35,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:59:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-07-12 12:59:35,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-07-12 12:59:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-12 12:59:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-12 12:59:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-07-12 12:59:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-07-12 12:59:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:59:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:59:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:59:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-07-12 12:59:35,098 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-07-12 12:59:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-07-12 12:59:35,098 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-07-12 12:59:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-07-12 12:59:35,098 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-07-12 12:59:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-07-12 12:59:35,099 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-07-12 12:59:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:59:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 12:59:35,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 12:59:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:59:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-07-12 12:59:35,100 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-07-12 12:59:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:59:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 12:59:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-07-12 12:59:35,100 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-07-12 12:59:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 12:59:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-12 12:59:35,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-12 12:59:35,101 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-07-12 12:59:35,101 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-07-12 12:59:35,102 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-12 12:59:35,102 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-12 12:59:35,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 12:59:35,102 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-07-12 12:59:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-07-12 12:59:35,103 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-07-12 12:59:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-07-12 12:59:35,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:59:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 12:59:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 12:59:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 12:59:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 12:59:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:59:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 12:59:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:59:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-07-12 12:59:35,105 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-07-12 12:59:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 12:59:35,105 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 12:59:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-07-12 12:59:35,105 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-07-12 12:59:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 12:59:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-07-12 12:59:35,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-07-12 12:59:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 12:59:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 12:59:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 12:59:35,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 12:59:35,109 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 12:59:35,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 12:59:35,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 12:59:35,110 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-07-12 12:59:35,110 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-07-12 12:59:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-07-12 12:59:35,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-07-12 12:59:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-07-12 12:59:35,112 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-07-12 12:59:35,117 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-07-12 12:59:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-07-12 12:59:35,118 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-07-12 12:59:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-07-12 12:59:35,118 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-07-12 12:59:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-07-12 12:59:35,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:59:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:59:35,118 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-12 12:59:35,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:59:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:59:35,635 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:59:35,637 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:59:35,925 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:00:14,476 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:00:14,490 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:00:14,490 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 13:00:14,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:00:14 BoogieIcfgContainer [2022-07-12 13:00:14,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:00:14,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:00:14,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:00:14,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:00:14,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:59:32" (1/3) ... [2022-07-12 13:00:14,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb5d9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:00:14, skipping insertion in model container [2022-07-12 13:00:14,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:59:34" (2/3) ... [2022-07-12 13:00:14,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb5d9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:00:14, skipping insertion in model container [2022-07-12 13:00:14,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:00:14" (3/3) ... [2022-07-12 13:00:14,501 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-12 13:00:14,513 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:00:14,514 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:00:14,593 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:00:14,599 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@d8f8a6e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4af77b34 [2022-07-12 13:00:14,599 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:00:14,608 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) [2022-07-12 13:00:14,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-12 13:00:14,637 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:14,638 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] [2022-07-12 13:00:14,638 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:14,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:14,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1678977370, now seen corresponding path program 1 times [2022-07-12 13:00:14,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:00:14,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271025977] [2022-07-12 13:00:14,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:14,659 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:00:14,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:00:14,663 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) [2022-07-12 13:00:14,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 13:00:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:15,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:00:15,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:00:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-12 13:00:16,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:00:16,023 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:00:16,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271025977] [2022-07-12 13:00:16,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271025977] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:16,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:00:16,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:00:16,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377696915] [2022-07-12 13:00:16,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:16,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:00:16,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:00:16,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:00:16,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:00:16,084 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) [2022-07-12 13:00:16,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:00:16,549 INFO L93 Difference]: Finished difference Result 2531 states and 3685 transitions. [2022-07-12 13:00:16,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:00:16,553 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 [2022-07-12 13:00:16,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:00:16,589 INFO L225 Difference]: With dead ends: 2531 [2022-07-12 13:00:16,589 INFO L226 Difference]: Without dead ends: 1464 [2022-07-12 13:00:16,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:00:16,619 INFO L413 NwaCegarLoop]: 1581 mSDtfsCounter, 641 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 3054 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:00:16,622 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] [2022-07-12 13:00:16,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2022-07-12 13:00:16,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1462. [2022-07-12 13:00:16,777 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) [2022-07-12 13:00:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2092 transitions. [2022-07-12 13:00:16,794 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2092 transitions. Word has length 58 [2022-07-12 13:00:16,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:00:16,795 INFO L495 AbstractCegarLoop]: Abstraction has 1462 states and 2092 transitions. [2022-07-12 13:00:16,795 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) [2022-07-12 13:00:16,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2092 transitions. [2022-07-12 13:00:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-12 13:00:16,807 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:16,807 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] [2022-07-12 13:00:16,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 13:00:17,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:00:17,024 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:17,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:17,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1282308759, now seen corresponding path program 1 times [2022-07-12 13:00:17,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:00:17,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305272343] [2022-07-12 13:00:17,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:17,026 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:00:17,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:00:17,028 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) [2022-07-12 13:00:17,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 13:00:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:22,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-12 13:00:22,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:00:23,554 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 [2022-07-12 13:00:23,572 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 [2022-07-12 13:00:23,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 13:00:23,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 13:00:23,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 13:00:23,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 13:00:23,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 13:00:23,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 13:00:37,338 WARN L233 SmtUtils]: Spent 13.69s 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) [2022-07-12 13:00:37,340 INFO L356 Elim1Store]: treesize reduction 993, result has 20.4 percent of original size [2022-07-12 13:00:37,340 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 [2022-07-12 13:01:05,703 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-07-12 13:01:05,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:01:05,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:01:05,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305272343] [2022-07-12 13:01:05,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1305272343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:01:05,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:01:05,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 13:01:05,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290590973] [2022-07-12 13:01:05,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:01:05,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 13:01:05,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:01:05,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 13:01:05,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:01:05,711 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) [2022-07-12 13:01:07,795 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 [] [2022-07-12 13:01:09,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:12,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:13,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:16,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:18,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:20,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:22,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:30,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:32,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:34,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:36,813 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:41,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:43,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:46,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:51,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:53,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:54,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:57,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:59,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:02:00,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:02:01,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:02:03,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:02:05,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:02:08,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:02:11,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:02:13,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:02:17,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:02:20,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:02:22,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:02:24,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:02:36,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:02:36,958 INFO L93 Difference]: Finished difference Result 2928 states and 4188 transitions. [2022-07-12 13:02:36,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 13:02:36,964 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 [2022-07-12 13:02:36,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:02:36,974 INFO L225 Difference]: With dead ends: 2928 [2022-07-12 13:02:36,975 INFO L226 Difference]: Without dead ends: 1467 [2022-07-12 13:02:36,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:02:36,983 INFO L413 NwaCegarLoop]: 1484 mSDtfsCounter, 10 mSDsluCounter, 5064 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 2 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6548 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 451 IncrementalHoareTripleChecker+Unchecked, 90.4s IncrementalHoareTripleChecker+Time [2022-07-12 13:02:36,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 6548 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 442 Invalid, 19 Unknown, 451 Unchecked, 90.4s Time] [2022-07-12 13:02:36,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2022-07-12 13:02:37,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2022-07-12 13:02:37,025 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) [2022-07-12 13:02:37,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2098 transitions. [2022-07-12 13:02:37,036 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2098 transitions. Word has length 116 [2022-07-12 13:02:37,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:02:37,039 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 2098 transitions. [2022-07-12 13:02:37,040 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) [2022-07-12 13:02:37,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2098 transitions. [2022-07-12 13:02:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-12 13:02:37,047 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:02:37,047 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] [2022-07-12 13:02:37,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 13:02:37,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:02:37,268 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:02:37,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:02:37,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1422857369, now seen corresponding path program 1 times [2022-07-12 13:02:37,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:02:37,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982792252] [2022-07-12 13:02:37,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:02:37,270 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:02:37,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:02:37,271 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) [2022-07-12 13:02:37,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 13:02:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:00,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-12 13:03:00,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:01,026 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 [2022-07-12 13:03:01,050 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 [2022-07-12 13:03:01,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 13:03:01,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 13:03:01,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 13:03:01,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 13:03:01,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 13:03:01,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 13:03:14,360 WARN L233 SmtUtils]: Spent 13.22s 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) [2022-07-12 13:03:14,361 INFO L356 Elim1Store]: treesize reduction 993, result has 20.4 percent of original size [2022-07-12 13:03:14,361 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 [2022-07-12 13:03:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-07-12 13:03:33,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:33,245 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:33,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982792252] [2022-07-12 13:03:33,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982792252] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:33,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:33,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 13:03:33,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123228777] [2022-07-12 13:03:33,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:33,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 13:03:33,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:33,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 13:03:33,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-12 13:03:33,248 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) [2022-07-12 13:03:35,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:03:37,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:03:38,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:03:40,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:03:43,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:03:45,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:03:47,476 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:03:50,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []