./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-3598765 [2022-07-21 13:14:12,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:14:12,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:14:12,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:14:12,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:14:12,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:14:12,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:14:12,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:14:12,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:14:12,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:14:12,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:14:12,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:14:12,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:14:12,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:14:12,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:14:12,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:14:12,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:14:12,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:14:12,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:14:12,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:14:12,568 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:14:12,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:14:12,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:14:12,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:14:12,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:14:12,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:14:12,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:14:12,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:14:12,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:14:12,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:14:12,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:14:12,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:14:12,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:14:12,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:14:12,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:14:12,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:14:12,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:14:12,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:14:12,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:14:12,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:14:12,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:14:12,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:14:12,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:14:12,632 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:14:12,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:14:12,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:14:12,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:14:12,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:14:12,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:14:12,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:14:12,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:14:12,636 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:14:12,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:14:12,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:14:12,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:14:12,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:14:12,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:14:12,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:14:12,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:14:12,639 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:14:12,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:14:12,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:14:12,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:14:12,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:14:12,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:14:12,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:14:12,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:14:12,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:14:12,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:14:12,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:14:12,641 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:14:12,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:14:12,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:14:12,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2022-07-21 13:14:13,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:14:13,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:14:13,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:14:13,044 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:14:13,045 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:14:13,046 INFO L432 ainManager$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 [2022-07-21 13:14:13,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/088ff640c/4149d7b58f6c4179b71da5aca4fcd90d/FLAGbc2f8311d [2022-07-21 13:14:13,901 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:14:13,902 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 [2022-07-21 13:14:13,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/088ff640c/4149d7b58f6c4179b71da5aca4fcd90d/FLAGbc2f8311d [2022-07-21 13:14:14,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/088ff640c/4149d7b58f6c4179b71da5aca4fcd90d [2022-07-21 13:14:14,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:14:14,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:14:14,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:14:14,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:14:14,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:14:14,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:14:14" (1/1) ... [2022-07-21 13:14:14,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34364575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:14, skipping insertion in model container [2022-07-21 13:14:14,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:14:14" (1/1) ... [2022-07-21 13:14:14,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:14:14,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:14:16,397 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] [2022-07-21 13:14:16,405 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] [2022-07-21 13:14:16,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:14:16,449 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:14:16,731 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) [2022-07-21 13:14:16,741 INFO L158 Benchmark]: Toolchain (without parser) took 2294.73ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 39.7MB in the beginning and 54.0MB in the end (delta: -14.3MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2022-07-21 13:14:16,742 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 13:14:16,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2292.80ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 39.5MB in the beginning and 54.0MB in the end (delta: -14.5MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2022-07-21 13:14:16,748 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2292.80ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 39.5MB in the beginning and 54.0MB in the end (delta: -14.5MB). Peak memory consumption was 49.7MB. 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-?-3598765 [2022-07-21 13:14:18,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:14:18,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:14:18,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:14:18,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:14:18,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:14:18,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:14:18,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:14:18,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:14:18,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:14:18,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:14:18,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:14:18,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:14:18,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:14:18,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:14:18,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:14:18,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:14:18,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:14:18,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:14:18,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:14:18,766 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:14:18,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:14:18,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:14:18,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:14:18,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:14:18,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:14:18,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:14:18,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:14:18,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:14:18,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:14:18,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:14:18,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:14:18,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:14:18,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:14:18,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:14:18,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:14:18,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:14:18,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:14:18,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:14:18,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:14:18,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:14:18,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:14:18,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 13:14:18,833 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:14:18,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:14:18,834 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:14:18,834 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:14:18,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:14:18,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:14:18,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:14:18,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:14:18,836 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:14:18,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:14:18,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:14:18,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:14:18,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:14:18,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:14:18,838 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 13:14:18,839 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 13:14:18,839 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 13:14:18,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:14:18,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:14:18,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:14:18,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:14:18,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:14:18,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:14:18,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:14:18,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:14:18,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:14:18,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:14:18,841 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 13:14:18,841 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 13:14:18,841 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:14:18,842 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:14:18,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:14:18,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 13:14:18,842 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2022-07-21 13:14:19,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:14:19,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:14:19,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:14:19,219 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:14:19,220 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:14:19,222 INFO L432 ainManager$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 [2022-07-21 13:14:19,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d588990/c77440e433da4f2d81a85654a8be8d49/FLAG748598744 [2022-07-21 13:14:20,124 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:14:20,125 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 [2022-07-21 13:14:20,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d588990/c77440e433da4f2d81a85654a8be8d49/FLAG748598744 [2022-07-21 13:14:20,639 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d588990/c77440e433da4f2d81a85654a8be8d49 [2022-07-21 13:14:20,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:14:20,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:14:20,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:14:20,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:14:20,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:14:20,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:14:20" (1/1) ... [2022-07-21 13:14:20,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b76e0c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:20, skipping insertion in model container [2022-07-21 13:14:20,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:14:20" (1/1) ... [2022-07-21 13:14:20,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:14:20,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:14:23,307 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] [2022-07-21 13:14:23,310 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] [2022-07-21 13:14:23,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:14:23,376 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 13:14:23,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:14:23,739 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] [2022-07-21 13:14:23,740 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] [2022-07-21 13:14:23,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:14:23,782 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:14:24,160 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] [2022-07-21 13:14:24,161 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] [2022-07-21 13:14:24,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:14:24,313 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:14:24,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:24 WrapperNode [2022-07-21 13:14:24,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:14:24,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:14:24,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:14:24,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:14:24,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:24" (1/1) ... [2022-07-21 13:14:24,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:24" (1/1) ... [2022-07-21 13:14:24,546 INFO L137 Inliner]: procedures = 333, calls = 1881, calls flagged for inlining = 162, calls inlined = 153, statements flattened = 4200 [2022-07-21 13:14:24,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:14:24,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:14:24,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:14:24,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:14:24,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:24" (1/1) ... [2022-07-21 13:14:24,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:24" (1/1) ... [2022-07-21 13:14:24,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:24" (1/1) ... [2022-07-21 13:14:24,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:24" (1/1) ... [2022-07-21 13:14:24,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:24" (1/1) ... [2022-07-21 13:14:24,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:24" (1/1) ... [2022-07-21 13:14:24,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:24" (1/1) ... [2022-07-21 13:14:24,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:14:24,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:14:24,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:14:24,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:14:24,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:24" (1/1) ... [2022-07-21 13:14:24,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:14:24,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:14:24,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 13:14:24,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 13:14:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_dump [2022-07-21 13:14:24,902 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_dump [2022-07-21 13:14:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 13:14:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init_controls [2022-07-21 13:14:24,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init_controls [2022-07-21 13:14:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init_controls [2022-07-21 13:14:24,903 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init_controls [2022-07-21 13:14:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 13:14:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 13:14:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init [2022-07-21 13:14:24,904 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init [2022-07-21 13:14:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 13:14:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:14:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:14:24,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:14:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_bytes [2022-07-21 13:14:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_bytes [2022-07-21 13:14:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:14:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:14:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2022-07-21 13:14:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2022-07-21 13:14:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2022-07-21 13:14:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2022-07-21 13:14:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:14:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:14:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_stop [2022-07-21 13:14:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_stop [2022-07-21 13:14:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1020 [2022-07-21 13:14:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1020 [2022-07-21 13:14:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:14:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:14:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2022-07-21 13:14:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2022-07-21 13:14:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_start [2022-07-21 13:14:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_start [2022-07-21 13:14:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init [2022-07-21 13:14:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init [2022-07-21 13:14:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:14:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-07-21 13:14:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-07-21 13:14:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor [2022-07-21 13:14:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor [2022-07-21 13:14:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:14:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1x00 [2022-07-21 13:14:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1x00 [2022-07-21 13:14:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:14:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:14:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_s_ctrl [2022-07-21 13:14:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_s_ctrl [2022-07-21 13:14:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-07-21 13:14:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-07-21 13:14:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-21 13:14:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-21 13:14:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:14:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:14:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 13:14:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 13:14:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 13:14:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:14:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_s_ctrl [2022-07-21 13:14:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_s_ctrl [2022-07-21 13:14:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:14:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_init [2022-07-21 13:14:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_init [2022-07-21 13:14:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 13:14:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 13:14:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 13:14:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 13:14:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init_controls [2022-07-21 13:14:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init_controls [2022-07-21 13:14:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 13:14:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 13:14:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init_controls [2022-07-21 13:14:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init_controls [2022-07-21 13:14:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_set_state [2022-07-21 13:14:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_set_state [2022-07-21 13:14:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:14:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:14:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_start [2022-07-21 13:14:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_start [2022-07-21 13:14:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-07-21 13:14:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-07-21 13:14:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 13:14:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 13:14:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_bridge [2022-07-21 13:14:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_bridge [2022-07-21 13:14:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_stop [2022-07-21 13:14:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_stop [2022-07-21 13:14:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:14:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:14:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_nego [2022-07-21 13:14:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_nego [2022-07-21 13:14:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-21 13:14:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-21 13:14:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init [2022-07-21 13:14:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init [2022-07-21 13:14:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_probe [2022-07-21 13:14:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_probe [2022-07-21 13:14:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init [2022-07-21 13:14:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init [2022-07-21 13:14:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 13:14:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 13:14:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:14:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:14:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 13:14:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 13:14:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 13:14:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 13:14:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 13:14:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 13:14:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_start [2022-07-21 13:14:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_start [2022-07-21 13:14:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_reg_write_seq [2022-07-21 13:14:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_reg_write_seq [2022-07-21 13:14:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-07-21 13:14:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-07-21 13:14:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_10_4 [2022-07-21 13:14:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_10_4 [2022-07-21 13:14:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 13:14:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 13:14:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_start [2022-07-21 13:14:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_start [2022-07-21 13:14:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:14:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:14:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_s_ctrl [2022-07-21 13:14:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_s_ctrl [2022-07-21 13:14:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:14:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2022-07-21 13:14:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2022-07-21 13:14:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:14:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:14:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:14:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:14:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init [2022-07-21 13:14:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init [2022-07-21 13:14:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_sensor [2022-07-21 13:14:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_sensor [2022-07-21 13:14:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_probe [2022-07-21 13:14:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_probe [2022-07-21 13:14:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:14:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:14:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:14:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_stop [2022-07-21 13:14:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_stop [2022-07-21 13:14:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:14:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_stop [2022-07-21 13:14:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_stop [2022-07-21 13:14:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_probe [2022-07-21 13:14:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_probe [2022-07-21 13:14:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_stopN [2022-07-21 13:14:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_stopN [2022-07-21 13:14:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_finish [2022-07-21 13:14:24,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_finish [2022-07-21 13:14:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_dump [2022-07-21 13:14:24,937 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_dump [2022-07-21 13:14:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_dump [2022-07-21 13:14:24,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_dump [2022-07-21 13:14:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2022-07-21 13:14:24,937 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2022-07-21 13:14:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-21 13:14:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-21 13:14:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 13:14:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 13:14:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 13:14:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 13:14:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_s_ctrl [2022-07-21 13:14:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_s_ctrl [2022-07-21 13:14:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init_controls [2022-07-21 13:14:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init_controls [2022-07-21 13:14:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:14:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:14:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_bridge [2022-07-21 13:14:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_bridge [2022-07-21 13:14:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2022-07-21 13:14:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2022-07-21 13:14:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:14:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:14:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure sd_disconnect [2022-07-21 13:14:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_disconnect [2022-07-21 13:14:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:14:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:14:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_start [2022-07-21 13:14:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_start [2022-07-21 13:14:25,698 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:14:25,702 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:14:32,774 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:16:01,765 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 13:16:02,743 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:16:02,759 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:16:02,760 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 13:16:02,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:16:02 BoogieIcfgContainer [2022-07-21 13:16:02,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:16:02,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:16:02,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:16:02,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:16:02,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:14:20" (1/3) ... [2022-07-21 13:16:02,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afa06d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:16:02, skipping insertion in model container [2022-07-21 13:16:02,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:14:24" (2/3) ... [2022-07-21 13:16:02,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afa06d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:16:02, skipping insertion in model container [2022-07-21 13:16:02,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:16:02" (3/3) ... [2022-07-21 13:16:02,773 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2022-07-21 13:16:02,786 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:16:02,787 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 13:16:02,892 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:16:02,898 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@3cc83ae, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@78919d4a [2022-07-21 13:16:02,899 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 13:16:02,910 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) [2022-07-21 13:16:02,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-21 13:16:02,951 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:16:02,953 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] [2022-07-21 13:16:02,953 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:16:02,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:16:02,959 INFO L85 PathProgramCache]: Analyzing trace with hash -138110126, now seen corresponding path program 1 times [2022-07-21 13:16:02,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:16:02,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092296674] [2022-07-21 13:16:02,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:16:02,977 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:16:02,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:16:02,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:16:03,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 13:16:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:06,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 2841 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:16:06,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:16:07,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-21 13:16:07,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:16:07,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:16:07,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092296674] [2022-07-21 13:16:07,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092296674] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:16:07,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:16:07,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:16:07,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579130773] [2022-07-21 13:16:07,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:16:07,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:16:07,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:16:07,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:16:07,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:16:07,924 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) [2022-07-21 13:16:10,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:11,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:16:11,509 INFO L93 Difference]: Finished difference Result 5437 states and 7898 transitions. [2022-07-21 13:16:11,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:16:11,511 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 [2022-07-21 13:16:11,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:16:11,549 INFO L225 Difference]: With dead ends: 5437 [2022-07-21 13:16:11,549 INFO L226 Difference]: Without dead ends: 3540 [2022-07-21 13:16:11,565 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 [2022-07-21 13:16:11,568 INFO L413 NwaCegarLoop]: 3096 mSDtfsCounter, 2510 mSDsluCounter, 2627 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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, 3.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:16:11,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2510 Valid, 5723 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-21 13:16:11,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3540 states. [2022-07-21 13:16:11,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3540 to 3532. [2022-07-21 13:16:11,800 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) [2022-07-21 13:16:11,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 3532 states and 5080 transitions. [2022-07-21 13:16:11,837 INFO L78 Accepts]: Start accepts. Automaton has 3532 states and 5080 transitions. Word has length 228 [2022-07-21 13:16:11,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:16:11,839 INFO L495 AbstractCegarLoop]: Abstraction has 3532 states and 5080 transitions. [2022-07-21 13:16:11,839 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) [2022-07-21 13:16:11,840 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 5080 transitions. [2022-07-21 13:16:11,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-07-21 13:16:11,849 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:16:11,849 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] [2022-07-21 13:16:11,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 13:16:12,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:16:12,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:16:12,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:16:12,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1107835187, now seen corresponding path program 1 times [2022-07-21 13:16:12,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:16:12,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1804091785] [2022-07-21 13:16:12,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:16:12,074 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:16:12,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:16:12,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:16:12,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 13:16:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:15,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:16:15,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:16:16,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-21 13:16:16,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:16:16,434 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:16:16,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1804091785] [2022-07-21 13:16:16,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1804091785] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:16:16,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:16:16,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:16:16,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288679141] [2022-07-21 13:16:16,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:16:16,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:16:16,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:16:16,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:16:16,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:16:16,441 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) [2022-07-21 13:16:18,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:20,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:16:20,045 INFO L93 Difference]: Finished difference Result 10116 states and 14530 transitions. [2022-07-21 13:16:20,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:16:20,046 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 [2022-07-21 13:16:20,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:16:20,112 INFO L225 Difference]: With dead ends: 10116 [2022-07-21 13:16:20,112 INFO L226 Difference]: Without dead ends: 6623 [2022-07-21 13:16:20,140 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 [2022-07-21 13:16:20,141 INFO L413 NwaCegarLoop]: 3139 mSDtfsCounter, 2248 mSDsluCounter, 2575 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:16:20,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 5714 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-21 13:16:20,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6623 states. [2022-07-21 13:16:20,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6623 to 6617. [2022-07-21 13:16:20,380 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) [2022-07-21 13:16:20,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6617 states to 6617 states and 9491 transitions. [2022-07-21 13:16:20,428 INFO L78 Accepts]: Start accepts. Automaton has 6617 states and 9491 transitions. Word has length 233 [2022-07-21 13:16:20,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:16:20,430 INFO L495 AbstractCegarLoop]: Abstraction has 6617 states and 9491 transitions. [2022-07-21 13:16:20,430 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) [2022-07-21 13:16:20,431 INFO L276 IsEmpty]: Start isEmpty. Operand 6617 states and 9491 transitions. [2022-07-21 13:16:20,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-21 13:16:20,439 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:16:20,439 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] [2022-07-21 13:16:20,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 13:16:20,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:16:20,656 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:16:20,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:16:20,656 INFO L85 PathProgramCache]: Analyzing trace with hash -65098912, now seen corresponding path program 1 times [2022-07-21 13:16:20,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:16:20,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021353881] [2022-07-21 13:16:20,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:16:20,660 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:16:20,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:16:20,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:16:20,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 13:16:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:24,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:16:24,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:16:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-21 13:16:24,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:16:24,960 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:16:24,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021353881] [2022-07-21 13:16:24,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1021353881] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:16:24,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:16:24,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:16:24,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208628400] [2022-07-21 13:16:24,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:16:24,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:16:24,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:16:24,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:16:24,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:16:24,964 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) [2022-07-21 13:16:27,144 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 [] [2022-07-21 13:16:28,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:16:28,687 INFO L93 Difference]: Finished difference Result 19553 states and 28041 transitions. [2022-07-21 13:16:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:16:28,688 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 [2022-07-21 13:16:28,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:16:28,800 INFO L225 Difference]: With dead ends: 19553 [2022-07-21 13:16:28,800 INFO L226 Difference]: Without dead ends: 12975 [2022-07-21 13:16:28,851 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 [2022-07-21 13:16:28,854 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, 3.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:16:28,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2455 Valid, 5661 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-21 13:16:28,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12975 states. [2022-07-21 13:16:29,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12975 to 12957. [2022-07-21 13:16:29,373 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) [2022-07-21 13:16:29,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12957 states to 12957 states and 18549 transitions. [2022-07-21 13:16:29,441 INFO L78 Accepts]: Start accepts. Automaton has 12957 states and 18549 transitions. Word has length 234 [2022-07-21 13:16:29,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:16:29,442 INFO L495 AbstractCegarLoop]: Abstraction has 12957 states and 18549 transitions. [2022-07-21 13:16:29,443 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) [2022-07-21 13:16:29,443 INFO L276 IsEmpty]: Start isEmpty. Operand 12957 states and 18549 transitions. [2022-07-21 13:16:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-21 13:16:29,455 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:16:29,456 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] [2022-07-21 13:16:29,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 13:16:29,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:16:29,675 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:16:29,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:16:29,676 INFO L85 PathProgramCache]: Analyzing trace with hash -283864148, now seen corresponding path program 1 times [2022-07-21 13:16:29,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:16:29,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615538811] [2022-07-21 13:16:29,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:16:29,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:16:29,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:16:29,684 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:16:29,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 13:16:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:33,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 2875 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:16:33,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:16:34,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-21 13:16:34,473 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:16:34,473 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:16:34,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615538811] [2022-07-21 13:16:34,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615538811] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:16:34,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:16:34,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:16:34,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140365160] [2022-07-21 13:16:34,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:16:34,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:16:34,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:16:34,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:16:34,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:16:34,475 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) [2022-07-21 13:16:36,645 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 [] [2022-07-21 13:16:38,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:16:38,168 INFO L93 Difference]: Finished difference Result 37445 states and 53664 transitions. [2022-07-21 13:16:38,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:16:38,168 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 [2022-07-21 13:16:38,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:16:38,331 INFO L225 Difference]: With dead ends: 37445 [2022-07-21 13:16:38,332 INFO L226 Difference]: Without dead ends: 24527 [2022-07-21 13:16:38,420 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 [2022-07-21 13:16:38,421 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 2402 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:16:38,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2402 Valid, 5594 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-07-21 13:16:38,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24527 states. [2022-07-21 13:16:39,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24527 to 24509. [2022-07-21 13:16:39,579 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) [2022-07-21 13:16:39,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24509 states to 24509 states and 35066 transitions. [2022-07-21 13:16:39,719 INFO L78 Accepts]: Start accepts. Automaton has 24509 states and 35066 transitions. Word has length 243 [2022-07-21 13:16:39,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:16:39,720 INFO L495 AbstractCegarLoop]: Abstraction has 24509 states and 35066 transitions. [2022-07-21 13:16:39,721 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) [2022-07-21 13:16:39,721 INFO L276 IsEmpty]: Start isEmpty. Operand 24509 states and 35066 transitions. [2022-07-21 13:16:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-21 13:16:39,733 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:16:39,733 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] [2022-07-21 13:16:39,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 13:16:39,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:16:39,948 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:16:39,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:16:39,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1336664887, now seen corresponding path program 1 times [2022-07-21 13:16:39,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:16:39,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361973743] [2022-07-21 13:16:39,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:16:39,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:16:39,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:16:39,953 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:16:39,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 13:16:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:43,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 2620 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:16:43,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:16:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-21 13:16:44,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:16:44,188 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:16:44,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361973743] [2022-07-21 13:16:44,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361973743] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:16:44,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:16:44,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:16:44,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556896273] [2022-07-21 13:16:44,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:16:44,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:16:44,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:16:44,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:16:44,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:16:44,190 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) [2022-07-21 13:16:46,371 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 [] [2022-07-21 13:16:48,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:16:48,592 INFO L93 Difference]: Finished difference Result 72569 states and 103812 transitions. [2022-07-21 13:16:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:16:48,593 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 [2022-07-21 13:16:48,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:16:48,943 INFO L225 Difference]: With dead ends: 72569 [2022-07-21 13:16:48,943 INFO L226 Difference]: Without dead ends: 48099 [2022-07-21 13:16:49,135 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 [2022-07-21 13:16:49,136 INFO L413 NwaCegarLoop]: 3264 mSDtfsCounter, 2453 mSDsluCounter, 2567 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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 [2022-07-21 13:16:49,137 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] [2022-07-21 13:16:49,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48099 states. [2022-07-21 13:16:50,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48099 to 48081. [2022-07-21 13:16:51,176 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) [2022-07-21 13:16:51,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48081 states to 48081 states and 68625 transitions. [2022-07-21 13:16:51,479 INFO L78 Accepts]: Start accepts. Automaton has 48081 states and 68625 transitions. Word has length 253 [2022-07-21 13:16:51,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:16:51,480 INFO L495 AbstractCegarLoop]: Abstraction has 48081 states and 68625 transitions. [2022-07-21 13:16:51,480 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) [2022-07-21 13:16:51,481 INFO L276 IsEmpty]: Start isEmpty. Operand 48081 states and 68625 transitions. [2022-07-21 13:16:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-07-21 13:16:51,493 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:16:51,493 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] [2022-07-21 13:16:51,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 13:16:51,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:16:51,707 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:16:51,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:16:51,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1599567124, now seen corresponding path program 1 times [2022-07-21 13:16:51,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:16:51,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1760852540] [2022-07-21 13:16:51,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:16:51,711 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:16:51,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:16:51,715 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:16:51,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 13:16:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:55,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 2617 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:16:55,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:16:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-21 13:16:56,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:16:56,077 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:16:56,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1760852540] [2022-07-21 13:16:56,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1760852540] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:16:56,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:16:56,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:16:56,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174098334] [2022-07-21 13:16:56,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:16:56,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:16:56,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:16:56,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:16:56,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:16:56,079 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) [2022-07-21 13:16:58,258 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 [] [2022-07-21 13:17:01,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:17:01,653 INFO L93 Difference]: Finished difference Result 142214 states and 202936 transitions. [2022-07-21 13:17:01,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:17:01,653 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 [2022-07-21 13:17:01,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:17:02,495 INFO L225 Difference]: With dead ends: 142214 [2022-07-21 13:17:02,495 INFO L226 Difference]: Without dead ends: 94172 [2022-07-21 13:17:02,720 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 [2022-07-21 13:17:02,720 INFO L413 NwaCegarLoop]: 3459 mSDtfsCounter, 2453 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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, 3.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:17:02,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 6025 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-21 13:17:02,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94172 states. [2022-07-21 13:17:05,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94172 to 94162. [2022-07-21 13:17:05,713 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) [2022-07-21 13:17:06,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94162 states to 94162 states and 134038 transitions. [2022-07-21 13:17:06,596 INFO L78 Accepts]: Start accepts. Automaton has 94162 states and 134038 transitions. Word has length 252 [2022-07-21 13:17:06,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:17:06,597 INFO L495 AbstractCegarLoop]: Abstraction has 94162 states and 134038 transitions. [2022-07-21 13:17:06,597 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) [2022-07-21 13:17:06,598 INFO L276 IsEmpty]: Start isEmpty. Operand 94162 states and 134038 transitions. [2022-07-21 13:17:06,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-21 13:17:06,612 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:17:06,612 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] [2022-07-21 13:17:06,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 13:17:06,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:17:06,836 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:17:06,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:17:06,836 INFO L85 PathProgramCache]: Analyzing trace with hash 746830740, now seen corresponding path program 1 times [2022-07-21 13:17:06,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:17:06,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468942276] [2022-07-21 13:17:06,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:17:06,839 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:17:06,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:17:06,842 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) [2022-07-21 13:17:06,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 13:17:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:10,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 2935 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:17:10,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:17:11,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-21 13:17:11,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:17:11,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:17:11,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468942276] [2022-07-21 13:17:11,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468942276] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:17:11,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:17:11,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:17:11,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612459284] [2022-07-21 13:17:11,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:17:11,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:17:11,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:17:11,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:17:11,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:17:11,541 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) [2022-07-21 13:17:13,724 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 [] [2022-07-21 13:17:17,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:17:17,514 INFO L93 Difference]: Finished difference Result 191005 states and 271397 transitions. [2022-07-21 13:17:17,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:17:17,515 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 [2022-07-21 13:17:17,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:17:18,146 INFO L225 Difference]: With dead ends: 191005 [2022-07-21 13:17:18,146 INFO L226 Difference]: Without dead ends: 96882 [2022-07-21 13:17:18,735 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 [2022-07-21 13:17:18,735 INFO L413 NwaCegarLoop]: 2909 mSDtfsCounter, 1846 mSDsluCounter, 2555 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:17:18,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1846 Valid, 5464 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-07-21 13:17:18,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96882 states. [2022-07-21 13:17:21,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96882 to 96880. [2022-07-21 13:17:21,438 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) [2022-07-21 13:17:22,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96880 states to 96880 states and 137398 transitions. [2022-07-21 13:17:22,460 INFO L78 Accepts]: Start accepts. Automaton has 96880 states and 137398 transitions. Word has length 255 [2022-07-21 13:17:22,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:17:22,461 INFO L495 AbstractCegarLoop]: Abstraction has 96880 states and 137398 transitions. [2022-07-21 13:17:22,461 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) [2022-07-21 13:17:22,461 INFO L276 IsEmpty]: Start isEmpty. Operand 96880 states and 137398 transitions. [2022-07-21 13:17:22,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-07-21 13:17:22,477 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:17:22,477 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] [2022-07-21 13:17:22,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 13:17:22,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:17:22,696 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:17:22,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:17:22,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1841622413, now seen corresponding path program 1 times [2022-07-21 13:17:22,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:17:22,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108627929] [2022-07-21 13:17:22,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:17:22,698 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:17:22,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:17:22,699 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) [2022-07-21 13:17:22,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 13:17:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:26,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 2919 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:17:26,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:17:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-21 13:17:27,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:17:27,383 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:17:27,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108627929] [2022-07-21 13:17:27,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2108627929] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:17:27,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:17:27,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:17:27,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012412617] [2022-07-21 13:17:27,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:17:27,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:17:27,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:17:27,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:17:27,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:17:27,386 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) [2022-07-21 13:17:29,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:17:34,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:17:34,104 INFO L93 Difference]: Finished difference Result 286866 states and 406967 transitions. [2022-07-21 13:17:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:17:34,104 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 [2022-07-21 13:17:34,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:17:35,672 INFO L225 Difference]: With dead ends: 286866 [2022-07-21 13:17:35,673 INFO L226 Difference]: Without dead ends: 190025 [2022-07-21 13:17:36,066 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 [2022-07-21 13:17:36,067 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 [2022-07-21 13:17:36,067 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] [2022-07-21 13:17:36,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190025 states. [2022-07-21 13:17:41,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190025 to 189959. [2022-07-21 13:17:41,760 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) [2022-07-21 13:17:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189959 states to 189959 states and 269365 transitions. [2022-07-21 13:17:43,343 INFO L78 Accepts]: Start accepts. Automaton has 189959 states and 269365 transitions. Word has length 273 [2022-07-21 13:17:43,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:17:43,344 INFO L495 AbstractCegarLoop]: Abstraction has 189959 states and 269365 transitions. [2022-07-21 13:17:43,344 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) [2022-07-21 13:17:43,345 INFO L276 IsEmpty]: Start isEmpty. Operand 189959 states and 269365 transitions. [2022-07-21 13:17:43,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-21 13:17:43,372 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:17:43,372 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] [2022-07-21 13:17:43,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 13:17:43,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:17:43,592 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:17:43,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:17:43,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1447266955, now seen corresponding path program 1 times [2022-07-21 13:17:43,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:17:43,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337389486] [2022-07-21 13:17:43,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:17:43,595 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:17:43,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:17:43,599 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) [2022-07-21 13:17:43,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 13:17:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:47,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 3065 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:17:47,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:17:48,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2022-07-21 13:17:48,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:17:48,392 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:17:48,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337389486] [2022-07-21 13:17:48,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337389486] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:17:48,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:17:48,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:17:48,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639586589] [2022-07-21 13:17:48,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:17:48,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:17:48,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:17:48,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:17:48,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:17:48,394 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) [2022-07-21 13:17:50,572 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 []