./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-791161d [2022-07-23 01:57:42,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:57:42,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:57:43,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:57:43,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:57:43,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:57:43,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:57:43,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:57:43,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:57:43,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:57:43,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:57:43,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:57:43,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:57:43,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:57:43,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:57:43,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:57:43,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:57:43,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:57:43,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:57:43,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:57:43,081 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:57:43,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:57:43,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:57:43,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:57:43,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:57:43,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:57:43,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:57:43,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:57:43,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:57:43,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:57:43,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:57:43,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:57:43,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:57:43,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:57:43,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:57:43,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:57:43,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:57:43,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:57:43,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:57:43,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:57:43,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:57:43,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:57:43,110 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:57:43,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:57:43,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:57:43,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:57:43,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:57:43,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:57:43,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:57:43,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:57:43,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:57:43,142 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:57:43,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:57:43,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:57:43,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:57:43,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:57:43,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:57:43,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:57:43,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:57:43,144 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:57:43,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:57:43,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:57:43,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:57:43,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:57:43,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:57:43,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:57:43,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:57:43,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:57:43,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:57:43,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:57:43,146 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:57:43,146 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:57:43,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:57:43,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2022-07-23 01:57:43,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:57:43,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:57:43,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:57:43,429 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:57:43,430 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:57:43,431 INFO L432 ainManager$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 [2022-07-23 01:57:43,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b93bcd899/40dedfd310074742b27bfe8da02cbab0/FLAG31b34c88a [2022-07-23 01:57:44,290 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:57:44,290 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 [2022-07-23 01:57:44,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b93bcd899/40dedfd310074742b27bfe8da02cbab0/FLAG31b34c88a [2022-07-23 01:57:44,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b93bcd899/40dedfd310074742b27bfe8da02cbab0 [2022-07-23 01:57:44,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:57:44,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:57:44,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:57:44,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:57:44,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:57:44,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:57:44" (1/1) ... [2022-07-23 01:57:44,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ade81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:44, skipping insertion in model container [2022-07-23 01:57:44,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:57:44" (1/1) ... [2022-07-23 01:57:44,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:57:44,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:57:47,081 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] [2022-07-23 01:57:47,084 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] [2022-07-23 01:57:47,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:57:47,123 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:57:47,406 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) [2022-07-23 01:57:47,414 INFO L158 Benchmark]: Toolchain (without parser) took 2588.06ms. Allocated memory was 98.6MB in the beginning and 157.3MB in the end (delta: 58.7MB). Free memory was 47.3MB in the beginning and 68.1MB in the end (delta: -20.8MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2022-07-23 01:57:47,415 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 01:57:47,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2582.93ms. Allocated memory was 98.6MB in the beginning and 157.3MB in the end (delta: 58.7MB). Free memory was 47.2MB in the beginning and 68.1MB in the end (delta: -20.9MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2022-07-23 01:57:47,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2582.93ms. Allocated memory was 98.6MB in the beginning and 157.3MB in the end (delta: 58.7MB). Free memory was 47.2MB in the beginning and 68.1MB in the end (delta: -20.9MB). Peak memory consumption was 57.7MB. 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-?-791161d [2022-07-23 01:57:49,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:57:49,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:57:49,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:57:49,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:57:49,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:57:49,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:57:49,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:57:49,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:57:49,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:57:49,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:57:49,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:57:49,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:57:49,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:57:49,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:57:49,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:57:49,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:57:49,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:57:49,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:57:49,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:57:49,575 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:57:49,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:57:49,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:57:49,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:57:49,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:57:49,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:57:49,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:57:49,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:57:49,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:57:49,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:57:49,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:57:49,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:57:49,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:57:49,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:57:49,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:57:49,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:57:49,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:57:49,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:57:49,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:57:49,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:57:49,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:57:49,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:57:49,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 01:57:49,649 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:57:49,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:57:49,650 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:57:49,650 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:57:49,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:57:49,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:57:49,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:57:49,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:57:49,653 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:57:49,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:57:49,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:57:49,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:57:49,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:57:49,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:57:49,655 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 01:57:49,656 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 01:57:49,656 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 01:57:49,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:57:49,656 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:57:49,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:57:49,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:57:49,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:57:49,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:57:49,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:57:49,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:57:49,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:57:49,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:57:49,658 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 01:57:49,658 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 01:57:49,658 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:57:49,659 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:57:49,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:57:49,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 01:57:49,659 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2022-07-23 01:57:50,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:57:50,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:57:50,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:57:50,072 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:57:50,073 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:57:50,075 INFO L432 ainManager$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 [2022-07-23 01:57:50,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a9ae0bd8/881f5fc14d6548f1b6d4e9c2dc6e3669/FLAG267b843e8 [2022-07-23 01:57:50,977 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:57:50,978 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 [2022-07-23 01:57:51,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a9ae0bd8/881f5fc14d6548f1b6d4e9c2dc6e3669/FLAG267b843e8 [2022-07-23 01:57:51,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a9ae0bd8/881f5fc14d6548f1b6d4e9c2dc6e3669 [2022-07-23 01:57:51,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:57:51,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:57:51,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:57:51,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:57:51,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:57:51,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:57:51" (1/1) ... [2022-07-23 01:57:51,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e17092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:51, skipping insertion in model container [2022-07-23 01:57:51,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:57:51" (1/1) ... [2022-07-23 01:57:51,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:57:51,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:57:53,592 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] [2022-07-23 01:57:53,595 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] [2022-07-23 01:57:53,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:57:53,629 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 01:57:53,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:57:54,067 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] [2022-07-23 01:57:54,068 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] [2022-07-23 01:57:54,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:57:54,100 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:57:54,449 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] [2022-07-23 01:57:54,450 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] [2022-07-23 01:57:54,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:57:54,596 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:57:54,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:54 WrapperNode [2022-07-23 01:57:54,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:57:54,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:57:54,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:57:54,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:57:54,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:54" (1/1) ... [2022-07-23 01:57:54,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:54" (1/1) ... [2022-07-23 01:57:54,793 INFO L137 Inliner]: procedures = 333, calls = 1881, calls flagged for inlining = 162, calls inlined = 153, statements flattened = 4200 [2022-07-23 01:57:54,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:57:54,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:57:54,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:57:54,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:57:54,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:54" (1/1) ... [2022-07-23 01:57:54,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:54" (1/1) ... [2022-07-23 01:57:54,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:54" (1/1) ... [2022-07-23 01:57:54,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:54" (1/1) ... [2022-07-23 01:57:54,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:54" (1/1) ... [2022-07-23 01:57:54,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:54" (1/1) ... [2022-07-23 01:57:54,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:54" (1/1) ... [2022-07-23 01:57:55,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:57:55,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:57:55,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:57:55,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:57:55,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:54" (1/1) ... [2022-07-23 01:57:55,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:57:55,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:57:55,037 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) [2022-07-23 01:57:55,063 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 [2022-07-23 01:57:55,078 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_dump [2022-07-23 01:57:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_dump [2022-07-23 01:57:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 01:57:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init_controls [2022-07-23 01:57:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init_controls [2022-07-23 01:57:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init_controls [2022-07-23 01:57:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init_controls [2022-07-23 01:57:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 01:57:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 01:57:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init [2022-07-23 01:57:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init [2022-07-23 01:57:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 01:57:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:57:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:57:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:57:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_bytes [2022-07-23 01:57:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_bytes [2022-07-23 01:57:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:57:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:57:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2022-07-23 01:57:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2022-07-23 01:57:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2022-07-23 01:57:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2022-07-23 01:57:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:57:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:57:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_stop [2022-07-23 01:57:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_stop [2022-07-23 01:57:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1020 [2022-07-23 01:57:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1020 [2022-07-23 01:57:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:57:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:57:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2022-07-23 01:57:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2022-07-23 01:57:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_start [2022-07-23 01:57:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_start [2022-07-23 01:57:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init [2022-07-23 01:57:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init [2022-07-23 01:57:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:57:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-07-23 01:57:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-07-23 01:57:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor [2022-07-23 01:57:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor [2022-07-23 01:57:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:57:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1x00 [2022-07-23 01:57:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1x00 [2022-07-23 01:57:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 01:57:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 01:57:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_s_ctrl [2022-07-23 01:57:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_s_ctrl [2022-07-23 01:57:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-07-23 01:57:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-07-23 01:57:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-23 01:57:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-23 01:57:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 01:57:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 01:57:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 01:57:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 01:57:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 01:57:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:57:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_s_ctrl [2022-07-23 01:57:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_s_ctrl [2022-07-23 01:57:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:57:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_init [2022-07-23 01:57:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_init [2022-07-23 01:57:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 01:57:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 01:57:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 01:57:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 01:57:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init_controls [2022-07-23 01:57:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init_controls [2022-07-23 01:57:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 01:57:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 01:57:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init_controls [2022-07-23 01:57:55,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init_controls [2022-07-23 01:57:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_set_state [2022-07-23 01:57:55,092 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_set_state [2022-07-23 01:57:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 01:57:55,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 01:57:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_start [2022-07-23 01:57:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_start [2022-07-23 01:57:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-07-23 01:57:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-07-23 01:57:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 01:57:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 01:57:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_bridge [2022-07-23 01:57:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_bridge [2022-07-23 01:57:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_stop [2022-07-23 01:57:55,095 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_stop [2022-07-23 01:57:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 01:57:55,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 01:57:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_nego [2022-07-23 01:57:55,095 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_nego [2022-07-23 01:57:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-23 01:57:55,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-23 01:57:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init [2022-07-23 01:57:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init [2022-07-23 01:57:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_probe [2022-07-23 01:57:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_probe [2022-07-23 01:57:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init [2022-07-23 01:57:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init [2022-07-23 01:57:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 01:57:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 01:57:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 01:57:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 01:57:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 01:57:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 01:57:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:57:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:57:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:57:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:57:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_start [2022-07-23 01:57:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_start [2022-07-23 01:57:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_reg_write_seq [2022-07-23 01:57:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_reg_write_seq [2022-07-23 01:57:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-07-23 01:57:55,103 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-07-23 01:57:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_10_4 [2022-07-23 01:57:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_10_4 [2022-07-23 01:57:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 01:57:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 01:57:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_start [2022-07-23 01:57:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_start [2022-07-23 01:57:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:57:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:57:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_s_ctrl [2022-07-23 01:57:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_s_ctrl [2022-07-23 01:57:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:57:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2022-07-23 01:57:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2022-07-23 01:57:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 01:57:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 01:57:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 01:57:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 01:57:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init [2022-07-23 01:57:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init [2022-07-23 01:57:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_sensor [2022-07-23 01:57:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_sensor [2022-07-23 01:57:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_probe [2022-07-23 01:57:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_probe [2022-07-23 01:57:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:57:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 01:57:55,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 01:57:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_stop [2022-07-23 01:57:55,112 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_stop [2022-07-23 01:57:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:57:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_stop [2022-07-23 01:57:55,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_stop [2022-07-23 01:57:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_probe [2022-07-23 01:57:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_probe [2022-07-23 01:57:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_stopN [2022-07-23 01:57:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_stopN [2022-07-23 01:57:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_finish [2022-07-23 01:57:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_finish [2022-07-23 01:57:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_dump [2022-07-23 01:57:55,113 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_dump [2022-07-23 01:57:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_dump [2022-07-23 01:57:55,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_dump [2022-07-23 01:57:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2022-07-23 01:57:55,114 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2022-07-23 01:57:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-23 01:57:55,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-23 01:57:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 01:57:55,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 01:57:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 01:57:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 01:57:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_s_ctrl [2022-07-23 01:57:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_s_ctrl [2022-07-23 01:57:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init_controls [2022-07-23 01:57:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init_controls [2022-07-23 01:57:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 01:57:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 01:57:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_bridge [2022-07-23 01:57:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_bridge [2022-07-23 01:57:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2022-07-23 01:57:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2022-07-23 01:57:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 01:57:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 01:57:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure sd_disconnect [2022-07-23 01:57:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_disconnect [2022-07-23 01:57:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:57:55,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:57:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_start [2022-07-23 01:57:55,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_start [2022-07-23 01:57:55,886 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:57:55,890 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:58:03,196 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:59:39,751 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 01:59:40,844 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:59:40,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:59:40,862 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 01:59:40,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:59:40 BoogieIcfgContainer [2022-07-23 01:59:40,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:59:40,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:59:40,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:59:40,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:59:40,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:57:51" (1/3) ... [2022-07-23 01:59:40,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a117991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:59:40, skipping insertion in model container [2022-07-23 01:59:40,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:57:54" (2/3) ... [2022-07-23 01:59:40,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a117991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:59:40, skipping insertion in model container [2022-07-23 01:59:40,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:59:40" (3/3) ... [2022-07-23 01:59:40,872 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2022-07-23 01:59:40,884 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:59:40,884 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:59:40,967 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:59:40,973 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@50d285d1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@260fceaf [2022-07-23 01:59:40,973 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:59:40,985 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) [2022-07-23 01:59:41,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-23 01:59:41,049 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:59:41,050 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] [2022-07-23 01:59:41,051 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:59:41,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:59:41,055 INFO L85 PathProgramCache]: Analyzing trace with hash -138110126, now seen corresponding path program 1 times [2022-07-23 01:59:41,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:59:41,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027408015] [2022-07-23 01:59:41,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:59:41,076 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:59:41,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:59:41,079 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) [2022-07-23 01:59:41,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 01:59:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:44,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 2841 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:59:44,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:59:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 01:59:45,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:59:45,747 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:59:45,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027408015] [2022-07-23 01:59:45,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027408015] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:59:45,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:59:45,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:59:45,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158058066] [2022-07-23 01:59:45,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:59:45,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:59:45,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:59:45,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:59:45,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:59:45,789 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) [2022-07-23 01:59:48,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:59:49,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:59:49,860 INFO L93 Difference]: Finished difference Result 5437 states and 7898 transitions. [2022-07-23 01:59:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:59:49,863 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 [2022-07-23 01:59:49,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:59:49,908 INFO L225 Difference]: With dead ends: 5437 [2022-07-23 01:59:49,908 INFO L226 Difference]: Without dead ends: 3540 [2022-07-23 01:59:49,929 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 [2022-07-23 01:59:49,935 INFO L413 NwaCegarLoop]: 3096 mSDtfsCounter, 2510 mSDsluCounter, 2627 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 3.8s IncrementalHoareTripleChecker+Time [2022-07-23 01:59:49,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2510 Valid, 5723 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-07-23 01:59:49,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3540 states. [2022-07-23 01:59:50,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3540 to 3532. [2022-07-23 01:59:50,159 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) [2022-07-23 01:59:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 3532 states and 5080 transitions. [2022-07-23 01:59:50,192 INFO L78 Accepts]: Start accepts. Automaton has 3532 states and 5080 transitions. Word has length 228 [2022-07-23 01:59:50,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:59:50,194 INFO L495 AbstractCegarLoop]: Abstraction has 3532 states and 5080 transitions. [2022-07-23 01:59:50,195 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) [2022-07-23 01:59:50,195 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 5080 transitions. [2022-07-23 01:59:50,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-07-23 01:59:50,208 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:59:50,209 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] [2022-07-23 01:59:50,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 01:59:50,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:59:50,428 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:59:50,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:59:50,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1107835187, now seen corresponding path program 1 times [2022-07-23 01:59:50,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:59:50,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270454636] [2022-07-23 01:59:50,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:59:50,434 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:59:50,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:59:50,436 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) [2022-07-23 01:59:50,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 01:59:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:59:54,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:59:54,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:59:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 01:59:54,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:59:54,696 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:59:54,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270454636] [2022-07-23 01:59:54,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270454636] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:59:54,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:59:54,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:59:54,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836046819] [2022-07-23 01:59:54,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:59:54,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:59:54,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:59:54,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:59:54,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:59:54,700 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) [2022-07-23 01:59:56,881 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 [] [2022-07-23 01:59:58,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:59:58,246 INFO L93 Difference]: Finished difference Result 10116 states and 14530 transitions. [2022-07-23 01:59:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:59:58,247 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 [2022-07-23 01:59:58,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:59:58,313 INFO L225 Difference]: With dead ends: 10116 [2022-07-23 01:59:58,313 INFO L226 Difference]: Without dead ends: 6623 [2022-07-23 01:59:58,341 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 [2022-07-23 01:59:58,342 INFO L413 NwaCegarLoop]: 3139 mSDtfsCounter, 2248 mSDsluCounter, 2575 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 5714 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-23 01:59:58,343 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] [2022-07-23 01:59:58,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6623 states. [2022-07-23 01:59:58,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6623 to 6617. [2022-07-23 01:59:58,581 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) [2022-07-23 01:59:58,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6617 states to 6617 states and 9491 transitions. [2022-07-23 01:59:58,626 INFO L78 Accepts]: Start accepts. Automaton has 6617 states and 9491 transitions. Word has length 233 [2022-07-23 01:59:58,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:59:58,628 INFO L495 AbstractCegarLoop]: Abstraction has 6617 states and 9491 transitions. [2022-07-23 01:59:58,628 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) [2022-07-23 01:59:58,628 INFO L276 IsEmpty]: Start isEmpty. Operand 6617 states and 9491 transitions. [2022-07-23 01:59:58,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-23 01:59:58,636 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:59:58,636 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] [2022-07-23 01:59:58,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 01:59:58,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:59:58,864 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:59:58,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:59:58,864 INFO L85 PathProgramCache]: Analyzing trace with hash -65098912, now seen corresponding path program 1 times [2022-07-23 01:59:58,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:59:58,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878205985] [2022-07-23 01:59:58,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:59:58,867 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:59:58,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:59:58,870 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) [2022-07-23 01:59:58,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:00:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:02,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:00:02,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:00:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 02:00:03,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:00:03,522 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:00:03,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878205985] [2022-07-23 02:00:03,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [878205985] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:00:03,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:00:03,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:00:03,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649259460] [2022-07-23 02:00:03,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:00:03,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:00:03,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:00:03,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:00:03,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:00:03,526 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) [2022-07-23 02:00:05,715 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 [] [2022-07-23 02:00:08,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:00:08,165 INFO L93 Difference]: Finished difference Result 19553 states and 28041 transitions. [2022-07-23 02:00:08,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:00:08,166 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 [2022-07-23 02:00:08,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:00:08,274 INFO L225 Difference]: With dead ends: 19553 [2022-07-23 02:00:08,274 INFO L226 Difference]: Without dead ends: 12975 [2022-07-23 02:00:08,319 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 [2022-07-23 02:00:08,322 INFO L413 NwaCegarLoop]: 3092 mSDtfsCounter, 2455 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 4.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:00:08,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2455 Valid, 5661 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-07-23 02:00:08,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12975 states. [2022-07-23 02:00:08,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12975 to 12957. [2022-07-23 02:00:08,821 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) [2022-07-23 02:00:08,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12957 states to 12957 states and 18549 transitions. [2022-07-23 02:00:08,895 INFO L78 Accepts]: Start accepts. Automaton has 12957 states and 18549 transitions. Word has length 234 [2022-07-23 02:00:08,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:00:08,896 INFO L495 AbstractCegarLoop]: Abstraction has 12957 states and 18549 transitions. [2022-07-23 02:00:08,897 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) [2022-07-23 02:00:08,897 INFO L276 IsEmpty]: Start isEmpty. Operand 12957 states and 18549 transitions. [2022-07-23 02:00:08,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-23 02:00:08,909 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:00:08,910 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] [2022-07-23 02:00:09,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:00:09,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:00:09,124 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:00:09,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:00:09,124 INFO L85 PathProgramCache]: Analyzing trace with hash -283864148, now seen corresponding path program 1 times [2022-07-23 02:00:09,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:00:09,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [315943394] [2022-07-23 02:00:09,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:00:09,130 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:00:09,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:00:09,131 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) [2022-07-23 02:00:09,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:00:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:13,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 2875 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:00:13,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:00:14,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 02:00:14,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:00:14,416 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:00:14,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [315943394] [2022-07-23 02:00:14,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [315943394] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:00:14,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:00:14,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:00:14,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279829055] [2022-07-23 02:00:14,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:00:14,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:00:14,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:00:14,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:00:14,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:00:14,418 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) [2022-07-23 02:00:16,594 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 [] [2022-07-23 02:00:18,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:00:18,435 INFO L93 Difference]: Finished difference Result 37445 states and 53664 transitions. [2022-07-23 02:00:18,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:00:18,436 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 [2022-07-23 02:00:18,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:00:18,607 INFO L225 Difference]: With dead ends: 37445 [2022-07-23 02:00:18,607 INFO L226 Difference]: Without dead ends: 24527 [2022-07-23 02:00:18,683 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 [2022-07-23 02:00:18,684 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 2402 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:00:18,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2402 Valid, 5594 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-07-23 02:00:18,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24527 states. [2022-07-23 02:00:19,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24527 to 24509. [2022-07-23 02:00:19,569 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) [2022-07-23 02:00:19,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24509 states to 24509 states and 35066 transitions. [2022-07-23 02:00:19,904 INFO L78 Accepts]: Start accepts. Automaton has 24509 states and 35066 transitions. Word has length 243 [2022-07-23 02:00:19,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:00:19,906 INFO L495 AbstractCegarLoop]: Abstraction has 24509 states and 35066 transitions. [2022-07-23 02:00:19,906 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) [2022-07-23 02:00:19,906 INFO L276 IsEmpty]: Start isEmpty. Operand 24509 states and 35066 transitions. [2022-07-23 02:00:19,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-23 02:00:19,917 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:00:19,917 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] [2022-07-23 02:00:20,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:00:20,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:00:20,139 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:00:20,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:00:20,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1336664887, now seen corresponding path program 1 times [2022-07-23 02:00:20,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:00:20,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067363359] [2022-07-23 02:00:20,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:00:20,142 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:00:20,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:00:20,144 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) [2022-07-23 02:00:20,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 02:00:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:23,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 2620 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:00:23,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:00:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 02:00:24,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:00:24,405 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:00:24,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1067363359] [2022-07-23 02:00:24,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1067363359] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:00:24,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:00:24,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:00:24,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789821147] [2022-07-23 02:00:24,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:00:24,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:00:24,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:00:24,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:00:24,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:00:24,408 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) [2022-07-23 02:00:26,593 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 [] [2022-07-23 02:00:29,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:00:29,228 INFO L93 Difference]: Finished difference Result 72569 states and 103812 transitions. [2022-07-23 02:00:29,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:00:29,229 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 [2022-07-23 02:00:29,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:00:29,636 INFO L225 Difference]: With dead ends: 72569 [2022-07-23 02:00:29,637 INFO L226 Difference]: Without dead ends: 48099 [2022-07-23 02:00:29,830 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 [2022-07-23 02:00:29,831 INFO L413 NwaCegarLoop]: 3264 mSDtfsCounter, 2453 mSDsluCounter, 2567 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 3.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:00:29,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 5831 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-07-23 02:00:29,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48099 states. [2022-07-23 02:00:31,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48099 to 48081. [2022-07-23 02:00:31,982 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) [2022-07-23 02:00:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48081 states to 48081 states and 68625 transitions. [2022-07-23 02:00:32,335 INFO L78 Accepts]: Start accepts. Automaton has 48081 states and 68625 transitions. Word has length 253 [2022-07-23 02:00:32,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:00:32,336 INFO L495 AbstractCegarLoop]: Abstraction has 48081 states and 68625 transitions. [2022-07-23 02:00:32,336 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) [2022-07-23 02:00:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 48081 states and 68625 transitions. [2022-07-23 02:00:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-07-23 02:00:32,348 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:00:32,349 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] [2022-07-23 02:00:32,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 02:00:32,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:00:32,572 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:00:32,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:00:32,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1599567124, now seen corresponding path program 1 times [2022-07-23 02:00:32,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:00:32,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268301509] [2022-07-23 02:00:32,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:00:32,575 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:00:32,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:00:32,577 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) [2022-07-23 02:00:32,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 02:00:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:36,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 2617 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:00:36,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:00:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 02:00:37,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:00:37,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:00:37,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268301509] [2022-07-23 02:00:37,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268301509] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:00:37,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:00:37,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:00:37,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530317423] [2022-07-23 02:00:37,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:00:37,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:00:37,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:00:37,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:00:37,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:00:37,423 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) [2022-07-23 02:00:39,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:00:43,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:00:43,333 INFO L93 Difference]: Finished difference Result 142214 states and 202936 transitions. [2022-07-23 02:00:43,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:00:43,333 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 [2022-07-23 02:00:43,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:00:44,129 INFO L225 Difference]: With dead ends: 142214 [2022-07-23 02:00:44,129 INFO L226 Difference]: Without dead ends: 94172 [2022-07-23 02:00:44,311 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 [2022-07-23 02:00:44,312 INFO L413 NwaCegarLoop]: 3459 mSDtfsCounter, 2453 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:00:44,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 6025 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 02:00:44,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94172 states. [2022-07-23 02:00:47,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94172 to 94162. [2022-07-23 02:00:47,695 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) [2022-07-23 02:00:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94162 states to 94162 states and 134038 transitions. [2022-07-23 02:00:48,708 INFO L78 Accepts]: Start accepts. Automaton has 94162 states and 134038 transitions. Word has length 252 [2022-07-23 02:00:48,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:00:48,709 INFO L495 AbstractCegarLoop]: Abstraction has 94162 states and 134038 transitions. [2022-07-23 02:00:48,710 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) [2022-07-23 02:00:48,710 INFO L276 IsEmpty]: Start isEmpty. Operand 94162 states and 134038 transitions. [2022-07-23 02:00:48,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-23 02:00:48,725 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:00:48,726 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] [2022-07-23 02:00:48,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 02:00:48,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:00:48,948 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:00:48,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:00:48,948 INFO L85 PathProgramCache]: Analyzing trace with hash 746830740, now seen corresponding path program 1 times [2022-07-23 02:00:48,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:00:48,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340854284] [2022-07-23 02:00:48,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:00:48,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:00:48,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:00:48,954 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) [2022-07-23 02:00:48,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 02:00:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:00:53,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 2935 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:00:53,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:00:53,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 02:00:53,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:00:53,842 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:00:53,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1340854284] [2022-07-23 02:00:53,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1340854284] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:00:53,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:00:53,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:00:53,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699651866] [2022-07-23 02:00:53,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:00:53,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:00:53,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:00:53,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:00:53,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:00:53,844 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) [2022-07-23 02:00:56,013 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 [] [2022-07-23 02:00:59,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:00:59,645 INFO L93 Difference]: Finished difference Result 191005 states and 271397 transitions. [2022-07-23 02:00:59,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:00:59,646 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 [2022-07-23 02:00:59,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:01:00,641 INFO L225 Difference]: With dead ends: 191005 [2022-07-23 02:01:00,641 INFO L226 Difference]: Without dead ends: 96882 [2022-07-23 02:01:01,034 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 [2022-07-23 02:01:01,035 INFO L413 NwaCegarLoop]: 2909 mSDtfsCounter, 1846 mSDsluCounter, 2555 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 5464 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:01:01,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1846 Valid, 5464 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-23 02:01:01,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96882 states. [2022-07-23 02:01:03,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96882 to 96880. [2022-07-23 02:01:03,974 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) [2022-07-23 02:01:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96880 states to 96880 states and 137398 transitions. [2022-07-23 02:01:04,838 INFO L78 Accepts]: Start accepts. Automaton has 96880 states and 137398 transitions. Word has length 255 [2022-07-23 02:01:04,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:01:04,839 INFO L495 AbstractCegarLoop]: Abstraction has 96880 states and 137398 transitions. [2022-07-23 02:01:04,839 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) [2022-07-23 02:01:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 96880 states and 137398 transitions. [2022-07-23 02:01:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-07-23 02:01:04,850 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:01:04,851 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] [2022-07-23 02:01:04,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 02:01:05,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:01:05,071 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:01:05,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:01:05,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1841622413, now seen corresponding path program 1 times [2022-07-23 02:01:05,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:01:05,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478105642] [2022-07-23 02:01:05,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:01:05,074 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:01:05,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:01:05,075 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) [2022-07-23 02:01:05,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 02:01:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:08,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 2919 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:01:08,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:01:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 02:01:10,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:01:10,253 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:01:10,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478105642] [2022-07-23 02:01:10,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [478105642] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:01:10,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:01:10,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:01:10,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196631108] [2022-07-23 02:01:10,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:01:10,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:01:10,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:01:10,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:01:10,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:01:10,255 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) [2022-07-23 02:01:12,447 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 [] [2022-07-23 02:01:17,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:01:17,492 INFO L93 Difference]: Finished difference Result 286866 states and 406967 transitions. [2022-07-23 02:01:17,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:01:17,493 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 [2022-07-23 02:01:17,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:01:18,970 INFO L225 Difference]: With dead ends: 286866 [2022-07-23 02:01:18,971 INFO L226 Difference]: Without dead ends: 190025 [2022-07-23 02:01:19,413 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 [2022-07-23 02:01:19,413 INFO L413 NwaCegarLoop]: 4360 mSDtfsCounter, 2526 mSDsluCounter, 2607 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:01:19,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2526 Valid, 6967 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-07-23 02:01:19,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190025 states. [2022-07-23 02:01:24,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190025 to 189959. [2022-07-23 02:01:25,111 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) [2022-07-23 02:01:26,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189959 states to 189959 states and 269365 transitions. [2022-07-23 02:01:26,674 INFO L78 Accepts]: Start accepts. Automaton has 189959 states and 269365 transitions. Word has length 273 [2022-07-23 02:01:26,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:01:26,678 INFO L495 AbstractCegarLoop]: Abstraction has 189959 states and 269365 transitions. [2022-07-23 02:01:26,678 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) [2022-07-23 02:01:26,678 INFO L276 IsEmpty]: Start isEmpty. Operand 189959 states and 269365 transitions. [2022-07-23 02:01:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-23 02:01:26,705 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:01:26,705 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] [2022-07-23 02:01:26,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 02:01:26,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:01:26,919 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:01:26,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:01:26,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1447266955, now seen corresponding path program 1 times [2022-07-23 02:01:26,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:01:26,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500532919] [2022-07-23 02:01:26,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:01:26,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:01:26,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:01:26,926 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) [2022-07-23 02:01:26,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-23 02:01:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:30,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 3065 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:01:30,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:01:31,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2022-07-23 02:01:31,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:01:31,709 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:01:31,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500532919] [2022-07-23 02:01:31,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500532919] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:01:31,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:01:31,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:01:31,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641920217] [2022-07-23 02:01:31,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:01:31,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:01:31,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:01:31,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:01:31,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:01:31,711 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) [2022-07-23 02:01:33,889 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 []