./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.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 db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:40:37,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:40:37,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:40:37,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:40:37,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:40:37,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:40:37,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:40:37,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:40:37,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:40:37,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:40:37,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:40:37,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:40:37,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:40:37,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:40:37,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:40:37,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:40:37,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:40:37,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:40:37,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:40:37,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:40:37,389 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:40:37,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:40:37,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:40:37,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:40:37,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:40:37,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:40:37,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:40:37,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:40:37,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:40:37,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:40:37,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:40:37,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:40:37,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:40:37,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:40:37,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:40:37,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:40:37,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:40:37,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:40:37,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:40:37,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:40:37,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:40:37,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:40:37,404 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:40:37,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:40:37,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:40:37,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:40:37,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:40:37,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:40:37,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:40:37,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:40:37,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:40:37,432 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:40:37,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:40:37,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:40:37,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:40:37,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:40:37,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:40:37,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:40:37,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:40:37,434 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:40:37,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:40:37,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:40:37,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:40:37,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:40:37,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:40:37,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:40:37,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:40:37,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:40:37,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:40:37,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:40:37,436 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:40:37,436 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:40:37,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:40:37,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2022-07-12 14:40:37,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:40:37,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:40:37,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:40:37,648 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:40:37,649 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:40:37,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2022-07-12 14:40:37,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0955f8876/59669cc02a534bd4ab036609f3e6c769/FLAG4b21959c1 [2022-07-12 14:40:38,330 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:40:38,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2022-07-12 14:40:38,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0955f8876/59669cc02a534bd4ab036609f3e6c769/FLAG4b21959c1 [2022-07-12 14:40:38,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0955f8876/59669cc02a534bd4ab036609f3e6c769 [2022-07-12 14:40:38,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:40:38,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:40:38,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:40:38,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:40:38,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:40:38,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:40:38" (1/1) ... [2022-07-12 14:40:38,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e675053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:38, skipping insertion in model container [2022-07-12 14:40:38,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:40:38" (1/1) ... [2022-07-12 14:40:38,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:40:38,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:40:40,168 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2022-07-12 14:40:40,176 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2022-07-12 14:40:40,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:40:40,217 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:40:40,419 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: i2c_data = (unsigned int )i2c_data & 65527U [7906] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) 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:1650) 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 14:40:40,427 INFO L158 Benchmark]: Toolchain (without parser) took 1688.45ms. Allocated memory was 100.7MB in the beginning and 228.6MB in the end (delta: 127.9MB). Free memory was 58.3MB in the beginning and 150.3MB in the end (delta: -91.9MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2022-07-12 14:40:40,428 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 14:40:40,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1685.52ms. Allocated memory was 100.7MB in the beginning and 228.6MB in the end (delta: 127.9MB). Free memory was 58.1MB in the beginning and 150.3MB in the end (delta: -92.2MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2022-07-12 14:40:40,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1685.52ms. Allocated memory was 100.7MB in the beginning and 228.6MB in the end (delta: 127.9MB). Free memory was 58.1MB in the beginning and 150.3MB in the end (delta: -92.2MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: i2c_data = (unsigned int )i2c_data & 65527U [7906] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: i2c_data = (unsigned int )i2c_data & 65527U [7906]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.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 db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:40:41,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:40:41,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:40:42,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:40:42,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:40:42,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:40:42,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:40:42,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:40:42,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:40:42,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:40:42,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:40:42,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:40:42,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:40:42,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:40:42,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:40:42,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:40:42,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:40:42,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:40:42,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:40:42,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:40:42,057 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:40:42,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:40:42,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:40:42,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:40:42,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:40:42,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:40:42,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:40:42,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:40:42,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:40:42,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:40:42,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:40:42,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:40:42,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:40:42,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:40:42,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:40:42,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:40:42,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:40:42,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:40:42,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:40:42,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:40:42,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:40:42,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:40:42,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 14:40:42,095 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:40:42,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:40:42,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:40:42,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:40:42,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:40:42,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:40:42,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:40:42,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:40:42,098 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:40:42,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:40:42,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:40:42,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:40:42,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:40:42,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:40:42,099 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 14:40:42,100 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 14:40:42,100 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 14:40:42,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:40:42,100 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:40:42,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:40:42,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:40:42,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:40:42,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:40:42,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:40:42,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:40:42,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:40:42,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:40:42,101 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 14:40:42,101 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 14:40:42,102 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:40:42,102 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:40:42,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:40:42,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 14:40:42,102 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2022-07-12 14:40:42,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:40:42,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:40:42,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:40:42,346 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:40:42,346 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:40:42,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2022-07-12 14:40:42,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981b9a65a/b6be076c2bcc44e4b4f862961b605d96/FLAG132fad14b [2022-07-12 14:40:43,006 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:40:43,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2022-07-12 14:40:43,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981b9a65a/b6be076c2bcc44e4b4f862961b605d96/FLAG132fad14b [2022-07-12 14:40:43,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981b9a65a/b6be076c2bcc44e4b4f862961b605d96 [2022-07-12 14:40:43,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:40:43,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:40:43,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:40:43,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:40:43,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:40:43,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:40:43" (1/1) ... [2022-07-12 14:40:43,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cce904f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:43, skipping insertion in model container [2022-07-12 14:40:43,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:40:43" (1/1) ... [2022-07-12 14:40:43,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:40:43,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:40:45,120 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2022-07-12 14:40:45,123 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2022-07-12 14:40:45,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:40:45,191 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 14:40:45,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:40:45,494 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2022-07-12 14:40:45,495 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2022-07-12 14:40:45,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:40:45,515 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:40:45,814 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2022-07-12 14:40:45,814 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2022-07-12 14:40:45,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:40:45,959 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:40:45,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:45 WrapperNode [2022-07-12 14:40:45,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:40:45,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:40:45,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:40:45,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:40:45,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:45" (1/1) ... [2022-07-12 14:40:46,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:45" (1/1) ... [2022-07-12 14:40:46,212 INFO L137 Inliner]: procedures = 333, calls = 1881, calls flagged for inlining = 162, calls inlined = 153, statements flattened = 4200 [2022-07-12 14:40:46,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:40:46,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:40:46,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:40:46,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:40:46,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:45" (1/1) ... [2022-07-12 14:40:46,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:45" (1/1) ... [2022-07-12 14:40:46,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:45" (1/1) ... [2022-07-12 14:40:46,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:45" (1/1) ... [2022-07-12 14:40:46,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:45" (1/1) ... [2022-07-12 14:40:46,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:45" (1/1) ... [2022-07-12 14:40:46,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:45" (1/1) ... [2022-07-12 14:40:46,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:40:46,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:40:46,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:40:46,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:40:46,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:45" (1/1) ... [2022-07-12 14:40:46,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:40:46,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:40:46,452 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 14:40:46,475 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 14:40:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_dump [2022-07-12 14:40:46,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_dump [2022-07-12 14:40:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 14:40:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init_controls [2022-07-12 14:40:46,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init_controls [2022-07-12 14:40:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init_controls [2022-07-12 14:40:46,498 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init_controls [2022-07-12 14:40:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 14:40:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 14:40:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init [2022-07-12 14:40:46,498 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init [2022-07-12 14:40:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 14:40:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:40:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:40:46,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:40:46,499 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_bytes [2022-07-12 14:40:46,499 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_bytes [2022-07-12 14:40:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:40:46,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:40:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2022-07-12 14:40:46,500 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2022-07-12 14:40:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2022-07-12 14:40:46,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2022-07-12 14:40:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:40:46,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:40:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_stop [2022-07-12 14:40:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_stop [2022-07-12 14:40:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1020 [2022-07-12 14:40:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1020 [2022-07-12 14:40:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:40:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:40:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2022-07-12 14:40:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2022-07-12 14:40:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_start [2022-07-12 14:40:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_start [2022-07-12 14:40:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init [2022-07-12 14:40:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init [2022-07-12 14:40:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:40:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-07-12 14:40:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-07-12 14:40:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor [2022-07-12 14:40:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor [2022-07-12 14:40:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:40:46,503 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1x00 [2022-07-12 14:40:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1x00 [2022-07-12 14:40:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 14:40:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 14:40:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_s_ctrl [2022-07-12 14:40:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_s_ctrl [2022-07-12 14:40:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-07-12 14:40:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-07-12 14:40:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-12 14:40:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-12 14:40:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:40:46,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:40:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 14:40:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 14:40:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 14:40:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:40:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_s_ctrl [2022-07-12 14:40:46,506 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_s_ctrl [2022-07-12 14:40:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:40:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_init [2022-07-12 14:40:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_init [2022-07-12 14:40:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 14:40:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 14:40:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 14:40:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 14:40:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init_controls [2022-07-12 14:40:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init_controls [2022-07-12 14:40:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 14:40:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 14:40:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init_controls [2022-07-12 14:40:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init_controls [2022-07-12 14:40:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_set_state [2022-07-12 14:40:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_set_state [2022-07-12 14:40:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 14:40:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 14:40:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_start [2022-07-12 14:40:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_start [2022-07-12 14:40:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-07-12 14:40:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-07-12 14:40:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 14:40:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 14:40:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_bridge [2022-07-12 14:40:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_bridge [2022-07-12 14:40:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_stop [2022-07-12 14:40:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_stop [2022-07-12 14:40:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 14:40:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 14:40:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_nego [2022-07-12 14:40:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_nego [2022-07-12 14:40:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-12 14:40:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-12 14:40:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init [2022-07-12 14:40:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init [2022-07-12 14:40:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_probe [2022-07-12 14:40:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_probe [2022-07-12 14:40:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init [2022-07-12 14:40:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init [2022-07-12 14:40:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 14:40:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 14:40:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 14:40:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 14:40:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 14:40:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 14:40:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:40:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:40:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:40:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:40:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_start [2022-07-12 14:40:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_start [2022-07-12 14:40:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_reg_write_seq [2022-07-12 14:40:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_reg_write_seq [2022-07-12 14:40:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-07-12 14:40:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-07-12 14:40:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_10_4 [2022-07-12 14:40:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_10_4 [2022-07-12 14:40:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 14:40:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 14:40:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_start [2022-07-12 14:40:46,522 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_start [2022-07-12 14:40:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:40:46,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:40:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_s_ctrl [2022-07-12 14:40:46,522 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_s_ctrl [2022-07-12 14:40:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:40:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2022-07-12 14:40:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2022-07-12 14:40:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 14:40:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 14:40:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 14:40:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 14:40:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init [2022-07-12 14:40:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init [2022-07-12 14:40:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_sensor [2022-07-12 14:40:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_sensor [2022-07-12 14:40:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_probe [2022-07-12 14:40:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_probe [2022-07-12 14:40:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:40:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 14:40:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 14:40:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_stop [2022-07-12 14:40:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_stop [2022-07-12 14:40:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:40:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_stop [2022-07-12 14:40:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_stop [2022-07-12 14:40:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_probe [2022-07-12 14:40:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_probe [2022-07-12 14:40:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_stopN [2022-07-12 14:40:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_stopN [2022-07-12 14:40:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_finish [2022-07-12 14:40:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_finish [2022-07-12 14:40:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_dump [2022-07-12 14:40:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_dump [2022-07-12 14:40:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_dump [2022-07-12 14:40:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_dump [2022-07-12 14:40:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2022-07-12 14:40:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2022-07-12 14:40:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-12 14:40:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-12 14:40:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:40:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:40:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 14:40:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 14:40:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_s_ctrl [2022-07-12 14:40:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_s_ctrl [2022-07-12 14:40:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init_controls [2022-07-12 14:40:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init_controls [2022-07-12 14:40:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 14:40:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 14:40:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_bridge [2022-07-12 14:40:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_bridge [2022-07-12 14:40:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2022-07-12 14:40:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2022-07-12 14:40:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 14:40:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 14:40:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure sd_disconnect [2022-07-12 14:40:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_disconnect [2022-07-12 14:40:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:40:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:40:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_start [2022-07-12 14:40:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_start [2022-07-12 14:40:47,196 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:40:47,200 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:40:53,797 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:42:24,756 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 14:42:25,750 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:42:25,767 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:42:25,768 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 14:42:25,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:42:25 BoogieIcfgContainer [2022-07-12 14:42:25,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:42:25,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:42:25,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:42:25,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:42:25,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:40:43" (1/3) ... [2022-07-12 14:42:25,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8da516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:42:25, skipping insertion in model container [2022-07-12 14:42:25,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:40:45" (2/3) ... [2022-07-12 14:42:25,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8da516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:42:25, skipping insertion in model container [2022-07-12 14:42:25,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:42:25" (3/3) ... [2022-07-12 14:42:25,776 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2022-07-12 14:42:25,785 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:42:25,786 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:42:25,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:42:25,877 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@184b2d20, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3e8822ba [2022-07-12 14:42:25,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:42:25,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 1864 states, 1342 states have (on average 1.3464977645305514) internal successors, (1807), 1344 states have internal predecessors, (1807), 442 states have call successors, (442), 80 states have call predecessors, (442), 79 states have return successors, (435), 435 states have call predecessors, (435), 435 states have call successors, (435) [2022-07-12 14:42:25,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-12 14:42:25,920 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:25,922 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:42:25,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:25,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:25,927 INFO L85 PathProgramCache]: Analyzing trace with hash -138110126, now seen corresponding path program 1 times [2022-07-12 14:42:25,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:42:25,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957407316] [2022-07-12 14:42:25,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:25,942 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:42:25,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:42:25,945 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 14:42:25,952 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 14:42:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:29,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 2841 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:42:29,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:42:30,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-12 14:42:30,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:42:30,382 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:42:30,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957407316] [2022-07-12 14:42:30,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957407316] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:30,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:30,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:42:30,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824374569] [2022-07-12 14:42:30,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:30,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:42:30,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:42:30,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:42:30,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:42:30,423 INFO L87 Difference]: Start difference. First operand has 1864 states, 1342 states have (on average 1.3464977645305514) internal successors, (1807), 1344 states have internal predecessors, (1807), 442 states have call successors, (442), 80 states have call predecessors, (442), 79 states have return successors, (435), 435 states have call predecessors, (435), 435 states have call successors, (435) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 14:42:32,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:42:34,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:42:34,267 INFO L93 Difference]: Finished difference Result 5437 states and 7898 transitions. [2022-07-12 14:42:34,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:42:34,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 228 [2022-07-12 14:42:34,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:42:34,295 INFO L225 Difference]: With dead ends: 5437 [2022-07-12 14:42:34,295 INFO L226 Difference]: Without dead ends: 3540 [2022-07-12 14:42:34,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 226 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 14:42:34,311 INFO L413 NwaCegarLoop]: 3096 mSDtfsCounter, 2510 mSDsluCounter, 2627 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2510 SdHoareTripleChecker+Valid, 5723 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:42:34,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2510 Valid, 5723 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-12 14:42:34,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3540 states. [2022-07-12 14:42:34,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3540 to 3532. [2022-07-12 14:42:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3532 states, 2573 states have (on average 1.3478429848425961) internal successors, (3468), 2577 states have internal predecessors, (3468), 806 states have call successors, (806), 152 states have call predecessors, (806), 152 states have return successors, (806), 804 states have call predecessors, (806), 806 states have call successors, (806) [2022-07-12 14:42:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 3532 states and 5080 transitions. [2022-07-12 14:42:34,525 INFO L78 Accepts]: Start accepts. Automaton has 3532 states and 5080 transitions. Word has length 228 [2022-07-12 14:42:34,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:42:34,526 INFO L495 AbstractCegarLoop]: Abstraction has 3532 states and 5080 transitions. [2022-07-12 14:42:34,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 14:42:34,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 5080 transitions. [2022-07-12 14:42:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-07-12 14:42:34,533 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:34,533 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:42:34,615 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 14:42:34,755 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 14:42:34,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:34,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:34,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1107835187, now seen corresponding path program 1 times [2022-07-12 14:42:34,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:42:34,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [994740654] [2022-07-12 14:42:34,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:34,759 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:42:34,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:42:34,761 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 14:42:34,763 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 14:42:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:38,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:42:38,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:42:38,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-12 14:42:38,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:42:38,729 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:42:38,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [994740654] [2022-07-12 14:42:38,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [994740654] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:38,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:38,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:42:38,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482809432] [2022-07-12 14:42:38,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:38,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:42:38,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:42:38,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:42:38,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:42:38,737 INFO L87 Difference]: Start difference. First operand 3532 states and 5080 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 14:42:40,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:42:42,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:42:42,146 INFO L93 Difference]: Finished difference Result 10116 states and 14530 transitions. [2022-07-12 14:42:42,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:42:42,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 233 [2022-07-12 14:42:42,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:42:42,194 INFO L225 Difference]: With dead ends: 10116 [2022-07-12 14:42:42,195 INFO L226 Difference]: Without dead ends: 6623 [2022-07-12 14:42:42,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 231 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 14:42:42,217 INFO L413 NwaCegarLoop]: 3139 mSDtfsCounter, 2248 mSDsluCounter, 2575 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 5714 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-12 14:42:42,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 5714 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-07-12 14:42:42,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6623 states. [2022-07-12 14:42:42,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6623 to 6617. [2022-07-12 14:42:42,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6617 states, 4803 states have (on average 1.3418696647928379) internal successors, (6445), 4813 states have internal predecessors, (6445), 1523 states have call successors, (1523), 290 states have call predecessors, (1523), 290 states have return successors, (1523), 1515 states have call predecessors, (1523), 1523 states have call successors, (1523) [2022-07-12 14:42:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6617 states to 6617 states and 9491 transitions. [2022-07-12 14:42:42,421 INFO L78 Accepts]: Start accepts. Automaton has 6617 states and 9491 transitions. Word has length 233 [2022-07-12 14:42:42,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:42:42,422 INFO L495 AbstractCegarLoop]: Abstraction has 6617 states and 9491 transitions. [2022-07-12 14:42:42,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 14:42:42,422 INFO L276 IsEmpty]: Start isEmpty. Operand 6617 states and 9491 transitions. [2022-07-12 14:42:42,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-12 14:42:42,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:42,428 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:42:42,517 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 14:42:42,655 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 14:42:42,655 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:42,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:42,656 INFO L85 PathProgramCache]: Analyzing trace with hash -65098912, now seen corresponding path program 1 times [2022-07-12 14:42:42,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:42:42,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032207879] [2022-07-12 14:42:42,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:42,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:42:42,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:42:42,663 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 14:42:42,665 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 14:42:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:46,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:42:46,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:42:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-12 14:42:46,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:42:46,992 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:42:46,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032207879] [2022-07-12 14:42:46,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2032207879] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:46,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:46,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:42:46,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251541078] [2022-07-12 14:42:46,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:46,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:42:46,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:42:46,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:42:46,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:42:46,995 INFO L87 Difference]: Start difference. First operand 6617 states and 9491 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 14:42:49,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:42:50,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:42:50,672 INFO L93 Difference]: Finished difference Result 19553 states and 28041 transitions. [2022-07-12 14:42:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:42:50,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 234 [2022-07-12 14:42:50,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:42:50,757 INFO L225 Difference]: With dead ends: 19553 [2022-07-12 14:42:50,758 INFO L226 Difference]: Without dead ends: 12975 [2022-07-12 14:42:50,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 232 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 14:42:50,798 INFO L413 NwaCegarLoop]: 3092 mSDtfsCounter, 2455 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2455 SdHoareTripleChecker+Valid, 5661 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:42:50,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2455 Valid, 5661 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 14:42:50,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12975 states. [2022-07-12 14:42:51,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12975 to 12957. [2022-07-12 14:42:51,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12957 states, 9415 states have (on average 1.341157727031333) internal successors, (12627), 9439 states have internal predecessors, (12627), 2961 states have call successors, (2961), 580 states have call predecessors, (2961), 580 states have return successors, (2961), 2941 states have call predecessors, (2961), 2961 states have call successors, (2961) [2022-07-12 14:42:51,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12957 states to 12957 states and 18549 transitions. [2022-07-12 14:42:51,263 INFO L78 Accepts]: Start accepts. Automaton has 12957 states and 18549 transitions. Word has length 234 [2022-07-12 14:42:51,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:42:51,264 INFO L495 AbstractCegarLoop]: Abstraction has 12957 states and 18549 transitions. [2022-07-12 14:42:51,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 14:42:51,265 INFO L276 IsEmpty]: Start isEmpty. Operand 12957 states and 18549 transitions. [2022-07-12 14:42:51,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-12 14:42:51,274 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:42:51,274 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:42:51,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-12 14:42:51,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:42:51,488 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:42:51,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:42:51,488 INFO L85 PathProgramCache]: Analyzing trace with hash -283864148, now seen corresponding path program 1 times [2022-07-12 14:42:51,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:42:51,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647542047] [2022-07-12 14:42:51,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:42:51,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:42:51,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:42:51,492 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:42:51,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 14:42:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:42:55,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 2875 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:42:55,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:42:56,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-12 14:42:56,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:42:56,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:42:56,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647542047] [2022-07-12 14:42:56,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647542047] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:42:56,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:42:56,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:42:56,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758264293] [2022-07-12 14:42:56,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:42:56,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:42:56,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:42:56,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:42:56,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:42:56,211 INFO L87 Difference]: Start difference. First operand 12957 states and 18549 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 14:42:58,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:42:59,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:42:59,853 INFO L93 Difference]: Finished difference Result 37445 states and 53664 transitions. [2022-07-12 14:42:59,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:42:59,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 243 [2022-07-12 14:42:59,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:42:59,970 INFO L225 Difference]: With dead ends: 37445 [2022-07-12 14:42:59,971 INFO L226 Difference]: Without dead ends: 24527 [2022-07-12 14:43:00,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 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 14:43:00,035 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 2402 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2402 SdHoareTripleChecker+Valid, 5594 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:00,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2402 Valid, 5594 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-12 14:43:00,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24527 states. [2022-07-12 14:43:00,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24527 to 24509. [2022-07-12 14:43:00,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24509 states, 17868 states have (on average 1.343295276471905) internal successors, (24002), 17932 states have internal predecessors, (24002), 5532 states have call successors, (5532), 1108 states have call predecessors, (5532), 1108 states have return successors, (5532), 5476 states have call predecessors, (5532), 5532 states have call successors, (5532) [2022-07-12 14:43:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24509 states to 24509 states and 35066 transitions. [2022-07-12 14:43:00,968 INFO L78 Accepts]: Start accepts. Automaton has 24509 states and 35066 transitions. Word has length 243 [2022-07-12 14:43:00,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:00,969 INFO L495 AbstractCegarLoop]: Abstraction has 24509 states and 35066 transitions. [2022-07-12 14:43:00,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 14:43:00,970 INFO L276 IsEmpty]: Start isEmpty. Operand 24509 states and 35066 transitions. [2022-07-12 14:43:00,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-12 14:43:00,979 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:00,979 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:43:01,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 14:43:01,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:43:01,207 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:01,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:01,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1336664887, now seen corresponding path program 1 times [2022-07-12 14:43:01,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:43:01,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274525040] [2022-07-12 14:43:01,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:01,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:43:01,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:43:01,212 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:43:01,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 14:43:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:04,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 2620 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:43:04,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:43:05,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-12 14:43:05,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:43:05,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:43:05,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1274525040] [2022-07-12 14:43:05,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1274525040] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:05,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:43:05,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:43:05,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544663467] [2022-07-12 14:43:05,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:05,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:43:05,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:43:05,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:43:05,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:43:05,150 INFO L87 Difference]: Start difference. First operand 24509 states and 35066 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 14:43:07,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:43:09,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:09,516 INFO L93 Difference]: Finished difference Result 72569 states and 103812 transitions. [2022-07-12 14:43:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:43:09,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 253 [2022-07-12 14:43:09,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:09,690 INFO L225 Difference]: With dead ends: 72569 [2022-07-12 14:43:09,690 INFO L226 Difference]: Without dead ends: 48099 [2022-07-12 14:43:09,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 251 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 14:43:09,766 INFO L413 NwaCegarLoop]: 3264 mSDtfsCounter, 2453 mSDsluCounter, 2567 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 5831 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:09,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 5831 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-12 14:43:09,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48099 states. [2022-07-12 14:43:11,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48099 to 48081. [2022-07-12 14:43:11,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48081 states, 35095 states have (on average 1.3415871206724606) internal successors, (47083), 35231 states have internal predecessors, (47083), 10771 states have call successors, (10771), 2214 states have call predecessors, (10771), 2214 states have return successors, (10771), 10651 states have call predecessors, (10771), 10771 states have call successors, (10771) [2022-07-12 14:43:11,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48081 states to 48081 states and 68625 transitions. [2022-07-12 14:43:11,417 INFO L78 Accepts]: Start accepts. Automaton has 48081 states and 68625 transitions. Word has length 253 [2022-07-12 14:43:11,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:11,424 INFO L495 AbstractCegarLoop]: Abstraction has 48081 states and 68625 transitions. [2022-07-12 14:43:11,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 14:43:11,425 INFO L276 IsEmpty]: Start isEmpty. Operand 48081 states and 68625 transitions. [2022-07-12 14:43:11,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-07-12 14:43:11,434 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:11,435 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:43:11,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 14:43:11,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:43:11,639 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:11,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:11,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1599567124, now seen corresponding path program 1 times [2022-07-12 14:43:11,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:43:11,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401098980] [2022-07-12 14:43:11,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:11,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:43:11,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:43:11,644 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:43:11,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 14:43:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:14,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 2617 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:43:14,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:43:15,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-12 14:43:15,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:43:15,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:43:15,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401098980] [2022-07-12 14:43:15,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401098980] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:15,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:43:15,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:43:15,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408700645] [2022-07-12 14:43:15,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:15,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:43:15,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:43:15,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:43:15,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:43:15,715 INFO L87 Difference]: Start difference. First operand 48081 states and 68625 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 14:43:17,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:43:20,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:20,889 INFO L93 Difference]: Finished difference Result 142214 states and 202936 transitions. [2022-07-12 14:43:20,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:43:20,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 252 [2022-07-12 14:43:20,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:21,295 INFO L225 Difference]: With dead ends: 142214 [2022-07-12 14:43:21,295 INFO L226 Difference]: Without dead ends: 94172 [2022-07-12 14:43:21,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 250 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 14:43:21,446 INFO L413 NwaCegarLoop]: 3459 mSDtfsCounter, 2453 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 6025 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:21,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 6025 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-12 14:43:21,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94172 states. [2022-07-12 14:43:23,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94172 to 94162. [2022-07-12 14:43:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94162 states, 68822 states have (on average 1.3393101043271047) internal successors, (92174), 69102 states have internal predecessors, (92174), 20932 states have call successors, (20932), 4407 states have call predecessors, (20932), 4407 states have return successors, (20932), 20684 states have call predecessors, (20932), 20932 states have call successors, (20932) [2022-07-12 14:43:24,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94162 states to 94162 states and 134038 transitions. [2022-07-12 14:43:24,653 INFO L78 Accepts]: Start accepts. Automaton has 94162 states and 134038 transitions. Word has length 252 [2022-07-12 14:43:24,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:24,654 INFO L495 AbstractCegarLoop]: Abstraction has 94162 states and 134038 transitions. [2022-07-12 14:43:24,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 14:43:24,655 INFO L276 IsEmpty]: Start isEmpty. Operand 94162 states and 134038 transitions. [2022-07-12 14:43:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-12 14:43:24,666 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:24,666 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:43:24,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 14:43:24,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:43:24,879 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:24,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:24,880 INFO L85 PathProgramCache]: Analyzing trace with hash 746830740, now seen corresponding path program 1 times [2022-07-12 14:43:24,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:43:24,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634522852] [2022-07-12 14:43:24,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:24,882 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:43:24,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:43:24,885 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:43:24,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 14:43:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:28,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 2935 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:43:28,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:43:29,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-12 14:43:29,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:43:29,055 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:43:29,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1634522852] [2022-07-12 14:43:29,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1634522852] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:29,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:43:29,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:43:29,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194842083] [2022-07-12 14:43:29,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:29,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:43:29,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:43:29,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:43:29,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:43:29,057 INFO L87 Difference]: Start difference. First operand 94162 states and 134038 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 14:43:31,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:43:35,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:35,181 INFO L93 Difference]: Finished difference Result 191005 states and 271397 transitions. [2022-07-12 14:43:35,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:43:35,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 255 [2022-07-12 14:43:35,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:35,815 INFO L225 Difference]: With dead ends: 191005 [2022-07-12 14:43:35,815 INFO L226 Difference]: Without dead ends: 96882 [2022-07-12 14:43:36,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 253 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 14:43:36,106 INFO L413 NwaCegarLoop]: 2909 mSDtfsCounter, 1846 mSDsluCounter, 2555 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 5464 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:36,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1846 Valid, 5464 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-07-12 14:43:36,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96882 states. [2022-07-12 14:43:38,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96882 to 96880. [2022-07-12 14:43:38,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96880 states, 70796 states have (on average 1.3364879371715916) internal successors, (94618), 71078 states have internal predecessors, (94618), 21390 states have call successors, (21390), 4693 states have call predecessors, (21390), 4693 states have return successors, (21390), 21140 states have call predecessors, (21390), 21390 states have call successors, (21390) [2022-07-12 14:43:39,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96880 states to 96880 states and 137398 transitions. [2022-07-12 14:43:39,233 INFO L78 Accepts]: Start accepts. Automaton has 96880 states and 137398 transitions. Word has length 255 [2022-07-12 14:43:39,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:39,234 INFO L495 AbstractCegarLoop]: Abstraction has 96880 states and 137398 transitions. [2022-07-12 14:43:39,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 14:43:39,234 INFO L276 IsEmpty]: Start isEmpty. Operand 96880 states and 137398 transitions. [2022-07-12 14:43:39,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-07-12 14:43:39,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:39,242 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:43:39,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 14:43:39,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:43:39,467 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:39,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:39,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1841622413, now seen corresponding path program 1 times [2022-07-12 14:43:39,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:43:39,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882526639] [2022-07-12 14:43:39,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:39,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:43:39,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:43:39,472 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:43:39,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 14:43:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:43:43,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 2919 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:43:43,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:43:44,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-12 14:43:44,203 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:43:44,203 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:43:44,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882526639] [2022-07-12 14:43:44,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [882526639] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:43:44,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:43:44,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:43:44,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243091607] [2022-07-12 14:43:44,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:43:44,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:43:44,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:43:44,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:43:44,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:43:44,206 INFO L87 Difference]: Start difference. First operand 96880 states and 137398 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 14:43:46,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:43:50,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:43:50,518 INFO L93 Difference]: Finished difference Result 286866 states and 406967 transitions. [2022-07-12 14:43:50,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:43:50,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 273 [2022-07-12 14:43:50,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:43:51,726 INFO L225 Difference]: With dead ends: 286866 [2022-07-12 14:43:51,727 INFO L226 Difference]: Without dead ends: 190025 [2022-07-12 14:43:52,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 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 14:43:52,056 INFO L413 NwaCegarLoop]: 4360 mSDtfsCounter, 2526 mSDsluCounter, 2607 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2526 SdHoareTripleChecker+Valid, 6967 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:43:52,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2526 Valid, 6967 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-07-12 14:43:52,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190025 states. [2022-07-12 14:43:56,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190025 to 189959. [2022-07-12 14:43:56,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189959 states, 138776 states have (on average 1.3363477834784112) internal successors, (185453), 139336 states have internal predecessors, (185453), 41956 states have call successors, (41956), 9226 states have call predecessors, (41956), 9226 states have return successors, (41956), 41460 states have call predecessors, (41956), 41956 states have call successors, (41956) [2022-07-12 14:43:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189959 states to 189959 states and 269365 transitions. [2022-07-12 14:43:58,179 INFO L78 Accepts]: Start accepts. Automaton has 189959 states and 269365 transitions. Word has length 273 [2022-07-12 14:43:58,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:43:58,180 INFO L495 AbstractCegarLoop]: Abstraction has 189959 states and 269365 transitions. [2022-07-12 14:43:58,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 14:43:58,180 INFO L276 IsEmpty]: Start isEmpty. Operand 189959 states and 269365 transitions. [2022-07-12 14:43:58,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-12 14:43:58,198 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:43:58,198 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:43:58,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-12 14:43:58,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:43:58,415 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:43:58,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:43:58,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1447266955, now seen corresponding path program 1 times [2022-07-12 14:43:58,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:43:58,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [772017593] [2022-07-12 14:43:58,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:43:58,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:43:58,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:43:58,420 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:43:58,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 14:44:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:44:02,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 3065 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:44:02,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:44:02,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2022-07-12 14:44:02,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:44:02,872 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:44:02,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [772017593] [2022-07-12 14:44:02,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [772017593] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:44:02,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:44:02,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:44:02,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358590628] [2022-07-12 14:44:02,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:44:02,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:44:02,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:44:02,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:44:02,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:44:02,874 INFO L87 Difference]: Start difference. First operand 189959 states and 269365 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-12 14:44:05,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []