./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.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 805da4969fed59701f34ab4b08f18cb998495b0e0d4aa74f082eef62f15672a0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:59:44,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:59:44,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:59:44,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:59:44,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:59:44,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:59:44,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:59:44,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:59:44,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:59:44,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:59:44,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:59:44,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:59:44,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:59:44,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:59:44,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:59:44,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:59:44,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:59:44,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:59:44,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:59:44,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:59:44,182 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:59:44,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:59:44,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:59:44,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:59:44,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:59:44,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:59:44,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:59:44,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:59:44,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:59:44,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:59:44,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:59:44,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:59:44,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:59:44,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:59:44,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:59:44,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:59:44,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:59:44,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:59:44,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:59:44,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:59:44,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:59:44,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:59:44,210 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:59:44,236 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:59:44,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:59:44,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:59:44,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:59:44,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:59:44,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:59:44,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:59:44,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:59:44,239 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:59:44,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:59:44,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:59:44,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:59:44,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:59:44,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:59:44,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:59:44,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:59:44,241 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:59:44,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:59:44,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:59:44,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:59:44,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:59:44,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:59:44,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:59:44,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:59:44,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:59:44,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:59:44,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:59:44,243 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:59:44,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:59:44,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:59:44,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 805da4969fed59701f34ab4b08f18cb998495b0e0d4aa74f082eef62f15672a0 [2022-07-21 13:59:44,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:59:44,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:59:44,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:59:44,567 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:59:44,567 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:59:44,569 INFO L432 ainManager$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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-21 13:59:44,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fdea6906/24eb4a73161f4e7a925efd8fc26fe93b/FLAG2761901dd [2022-07-21 13:59:45,510 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:59:45,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-21 13:59:45,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fdea6906/24eb4a73161f4e7a925efd8fc26fe93b/FLAG2761901dd [2022-07-21 13:59:45,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fdea6906/24eb4a73161f4e7a925efd8fc26fe93b [2022-07-21 13:59:45,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:59:45,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:59:45,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:59:45,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:59:45,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:59:45,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:59:45" (1/1) ... [2022-07-21 13:59:45,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f6ef32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:45, skipping insertion in model container [2022-07-21 13:59:45,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:59:45" (1/1) ... [2022-07-21 13:59:45,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:59:45,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:59:48,458 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462712,462725] [2022-07-21 13:59:48,461 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462859,462872] [2022-07-21 13:59:48,461 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462998,463011] [2022-07-21 13:59:48,462 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[463156,463169] [2022-07-21 13:59:48,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:59:48,507 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:59:48,907 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: mode = (unsigned int )mode & 223U [12941] 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 13:59:48,914 INFO L158 Benchmark]: Toolchain (without parser) took 3252.86ms. Allocated memory was 65.0MB in the beginning and 157.3MB in the end (delta: 92.3MB). Free memory was 42.0MB in the beginning and 59.9MB in the end (delta: -17.9MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. [2022-07-21 13:59:48,916 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 50.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 13:59:48,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3249.84ms. Allocated memory was 65.0MB in the beginning and 157.3MB in the end (delta: 92.3MB). Free memory was 41.9MB in the beginning and 59.9MB in the end (delta: -18.1MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. [2022-07-21 13:59:48,919 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 65.0MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 50.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3249.84ms. Allocated memory was 65.0MB in the beginning and 157.3MB in the end (delta: 92.3MB). Free memory was 41.9MB in the beginning and 59.9MB in the end (delta: -18.1MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12941] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12941]: 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.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 805da4969fed59701f34ab4b08f18cb998495b0e0d4aa74f082eef62f15672a0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:59:50,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:59:50,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:59:50,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:59:50,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:59:50,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:59:50,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:59:50,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:59:50,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:59:50,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:59:50,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:59:50,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:59:50,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:59:50,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:59:50,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:59:50,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:59:50,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:59:50,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:59:50,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:59:50,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:59:50,822 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:59:50,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:59:50,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:59:50,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:59:50,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:59:50,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:59:50,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:59:50,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:59:50,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:59:50,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:59:50,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:59:50,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:59:50,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:59:50,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:59:50,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:59:50,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:59:50,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:59:50,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:59:50,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:59:50,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:59:50,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:59:50,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:59:50,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 13:59:50,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:59:50,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:59:50,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:59:50,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:59:50,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:59:50,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:59:50,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:59:50,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:59:50,880 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:59:50,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:59:50,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:59:50,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:59:50,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:59:50,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:59:50,881 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 13:59:50,881 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 13:59:50,881 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 13:59:50,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:59:50,882 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:59:50,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:59:50,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:59:50,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:59:50,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:59:50,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:59:50,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:59:50,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:59:50,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:59:50,883 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 13:59:50,884 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 13:59:50,884 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:59:50,884 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:59:50,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:59:50,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 13:59:50,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 805da4969fed59701f34ab4b08f18cb998495b0e0d4aa74f082eef62f15672a0 [2022-07-21 13:59:51,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:59:51,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:59:51,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:59:51,243 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:59:51,244 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:59:51,245 INFO L432 ainManager$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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-21 13:59:51,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37242b567/04a02731bb76428b988b29f1400f8017/FLAG6e5e3d451 [2022-07-21 13:59:52,156 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:59:52,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-21 13:59:52,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37242b567/04a02731bb76428b988b29f1400f8017/FLAG6e5e3d451 [2022-07-21 13:59:52,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37242b567/04a02731bb76428b988b29f1400f8017 [2022-07-21 13:59:52,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:59:52,328 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:59:52,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:59:52,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:59:52,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:59:52,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:59:52" (1/1) ... [2022-07-21 13:59:52,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b24e8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:52, skipping insertion in model container [2022-07-21 13:59:52,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:59:52" (1/1) ... [2022-07-21 13:59:52,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:59:52,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:59:55,451 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462712,462725] [2022-07-21 13:59:55,454 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462859,462872] [2022-07-21 13:59:55,454 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462998,463011] [2022-07-21 13:59:55,455 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[463156,463169] [2022-07-21 13:59:55,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:59:55,514 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 13:59:55,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:59:56,020 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462712,462725] [2022-07-21 13:59:56,021 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462859,462872] [2022-07-21 13:59:56,022 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462998,463011] [2022-07-21 13:59:56,022 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[463156,463169] [2022-07-21 13:59:56,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:59:56,065 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:59:56,428 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462712,462725] [2022-07-21 13:59:56,429 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462859,462872] [2022-07-21 13:59:56,429 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462998,463011] [2022-07-21 13:59:56,430 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[463156,463169] [2022-07-21 13:59:56,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:59:56,687 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:59:56,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:56 WrapperNode [2022-07-21 13:59:56,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:59:56,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:59:56,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:59:56,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:59:56,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:56" (1/1) ... [2022-07-21 13:59:56,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:56" (1/1) ... [2022-07-21 13:59:57,003 INFO L137 Inliner]: procedures = 311, calls = 4182, calls flagged for inlining = 163, calls inlined = 155, statements flattened = 6819 [2022-07-21 13:59:57,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:59:57,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:59:57,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:59:57,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:59:57,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:56" (1/1) ... [2022-07-21 13:59:57,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:56" (1/1) ... [2022-07-21 13:59:57,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:56" (1/1) ... [2022-07-21 13:59:57,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:56" (1/1) ... [2022-07-21 13:59:57,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:56" (1/1) ... [2022-07-21 13:59:57,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:56" (1/1) ... [2022-07-21 13:59:57,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:56" (1/1) ... [2022-07-21 13:59:57,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:59:57,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:59:57,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:59:57,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:59:57,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:56" (1/1) ... [2022-07-21 13:59:57,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:59:57,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:59:57,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 13:59:57,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 13:59:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-21 13:59:57,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-21 13:59:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-21 13:59:57,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-21 13:59:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 13:59:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-21 13:59:57,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-21 13:59:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 13:59:57,367 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 13:59:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-21 13:59:57,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-21 13:59:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 13:59:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 13:59:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 13:59:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:59:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:59:57,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:59:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-21 13:59:57,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-21 13:59:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:59:57,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:59:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-21 13:59:57,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-21 13:59:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-21 13:59:57,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-21 13:59:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 13:59:57,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 13:59:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-21 13:59:57,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-21 13:59:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-21 13:59:57,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-21 13:59:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_xfer [2022-07-21 13:59:57,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_xfer [2022-07-21 13:59:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-21 13:59:57,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-21 13:59:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-21 13:59:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-21 13:59:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_sleep [2022-07-21 13:59:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_sleep [2022-07-21 13:59:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-21 13:59:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-21 13:59:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-21 13:59:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-21 13:59:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-21 13:59:57,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-21 13:59:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-21 13:59:57,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-21 13:59:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-21 13:59:57,376 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-21 13:59:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:59:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-21 13:59:57,376 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-21 13:59:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-21 13:59:57,379 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-21 13:59:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:59:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:59:57,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:59:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:59:57,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:59:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-21 13:59:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-21 13:59:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 13:59:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 13:59:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_init [2022-07-21 13:59:57,382 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_init [2022-07-21 13:59:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 13:59:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:59:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-21 13:59:57,382 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-21 13:59:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:59:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 13:59:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 13:59:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 13:59:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 13:59:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-21 13:59:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-21 13:59:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:59:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:59:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-21 13:59:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-21 13:59:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-21 13:59:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-21 13:59:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-21 13:59:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-21 13:59:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-21 13:59:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-21 13:59:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:59:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:59:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-21 13:59:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-21 13:59:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-21 13:59:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-21 13:59:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-21 13:59:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-21 13:59:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-21 13:59:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-21 13:59:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:59:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:59:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-21 13:59:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-21 13:59:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-21 13:59:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-21 13:59:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-21 13:59:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-21 13:59:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 13:59:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 13:59:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-21 13:59:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-21 13:59:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 13:59:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 13:59:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-21 13:59:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-21 13:59:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-21 13:59:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-21 13:59:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 13:59:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 13:59:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:59:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:59:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-21 13:59:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-21 13:59:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:59:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:59:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:59:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:59:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:59:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:59:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-21 13:59:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-21 13:59:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:59:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:59:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-21 13:59:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-21 13:59:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:59:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 13:59:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 13:59:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 13:59:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-21 13:59:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-21 13:59:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-21 13:59:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-21 13:59:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-21 13:59:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-21 13:59:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:59:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:59:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_func [2022-07-21 13:59:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_func [2022-07-21 13:59:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-21 13:59:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-21 13:59:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-21 13:59:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-21 13:59:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-21 13:59:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-21 13:59:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-21 13:59:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-21 13:59:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-21 13:59:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-21 13:59:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-21 13:59:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-21 13:59:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-21 13:59:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-21 13:59:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-21 13:59:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-21 13:59:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 13:59:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-21 13:59:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-21 13:59:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:59:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:59:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:59:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:59:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-21 13:59:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-21 13:59:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-21 13:59:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-21 13:59:58,481 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:59:58,484 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:00:03,031 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:02:14,699 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:02:14,902 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:02:14,921 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:02:14,922 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 14:02:14,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:02:14 BoogieIcfgContainer [2022-07-21 14:02:14,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:02:14,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:02:14,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:02:14,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:02:14,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:59:52" (1/3) ... [2022-07-21 14:02:14,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685e3f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:02:14, skipping insertion in model container [2022-07-21 14:02:14,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:59:56" (2/3) ... [2022-07-21 14:02:14,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685e3f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:02:14, skipping insertion in model container [2022-07-21 14:02:14,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:02:14" (3/3) ... [2022-07-21 14:02:14,933 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-21 14:02:14,945 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:02:14,945 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-21 14:02:15,038 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:02:15,043 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@2dd2fde2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@129f9d6e [2022-07-21 14:02:15,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-21 14:02:15,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 2401 states, 1807 states have (on average 1.4150525733259547) internal successors, (2557), 1839 states have internal predecessors, (2557), 521 states have call successors, (521), 72 states have call predecessors, (521), 71 states have return successors, (514), 494 states have call predecessors, (514), 514 states have call successors, (514) [2022-07-21 14:02:15,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2022-07-21 14:02:15,094 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:02:15,095 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:02:15,096 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:02:15,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:02:15,101 INFO L85 PathProgramCache]: Analyzing trace with hash 919965541, now seen corresponding path program 1 times [2022-07-21 14:02:15,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:02:15,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430723484] [2022-07-21 14:02:15,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:02:15,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:02:15,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:02:15,133 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:02:15,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 14:02:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:02:22,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 5140 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:02:22,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:02:23,109 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-21 14:02:23,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:02:23,111 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:02:23,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430723484] [2022-07-21 14:02:23,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430723484] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:02:23,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:02:23,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:02:23,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446675858] [2022-07-21 14:02:23,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:02:23,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:02:23,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:02:23,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:02:23,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:02:23,162 INFO L87 Difference]: Start difference. First operand has 2401 states, 1807 states have (on average 1.4150525733259547) internal successors, (2557), 1839 states have internal predecessors, (2557), 521 states have call successors, (521), 72 states have call predecessors, (521), 71 states have return successors, (514), 494 states have call predecessors, (514), 514 states have call successors, (514) 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, (54), 3 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-21 14:02:24,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:02:24,844 INFO L93 Difference]: Finished difference Result 6890 states and 10342 transitions. [2022-07-21 14:02:24,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:02:24,846 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, (54), 3 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 579 [2022-07-21 14:02:24,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:02:24,899 INFO L225 Difference]: With dead ends: 6890 [2022-07-21 14:02:24,900 INFO L226 Difference]: Without dead ends: 4582 [2022-07-21 14:02:24,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:02:24,922 INFO L413 NwaCegarLoop]: 4037 mSDtfsCounter, 3330 mSDsluCounter, 3524 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3330 SdHoareTripleChecker+Valid, 7561 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:02:24,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 7561 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 14:02:24,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2022-07-21 14:02:25,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4580. [2022-07-21 14:02:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4580 states, 3483 states have (on average 1.422624174562159) internal successors, (4955), 3546 states have internal predecessors, (4955), 956 states have call successors, (956), 140 states have call predecessors, (956), 139 states have return successors, (953), 913 states have call predecessors, (953), 953 states have call successors, (953) [2022-07-21 14:02:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4580 states to 4580 states and 6864 transitions. [2022-07-21 14:02:25,245 INFO L78 Accepts]: Start accepts. Automaton has 4580 states and 6864 transitions. Word has length 579 [2022-07-21 14:02:25,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:02:25,249 INFO L495 AbstractCegarLoop]: Abstraction has 4580 states and 6864 transitions. [2022-07-21 14:02:25,250 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, (54), 3 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-21 14:02:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 4580 states and 6864 transitions. [2022-07-21 14:02:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2022-07-21 14:02:25,277 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:02:25,279 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:02:25,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 14:02:25,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:02:25,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:02:25,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:02:25,497 INFO L85 PathProgramCache]: Analyzing trace with hash -272167897, now seen corresponding path program 1 times [2022-07-21 14:02:25,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:02:25,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312970815] [2022-07-21 14:02:25,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:02:25,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:02:25,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:02:25,505 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:02:25,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 14:02:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:02:32,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 5331 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:02:32,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:02:33,850 INFO L134 CoverageAnalysis]: Checked inductivity of 11268 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11118 trivial. 0 not checked. [2022-07-21 14:02:33,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:02:33,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:02:33,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [312970815] [2022-07-21 14:02:33,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [312970815] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:02:33,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:02:33,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:02:33,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966977930] [2022-07-21 14:02:33,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:02:33,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:02:33,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:02:33,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:02:33,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:02:33,857 INFO L87 Difference]: Start difference. First operand 4580 states and 6864 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-07-21 14:02:35,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:02:35,524 INFO L93 Difference]: Finished difference Result 13139 states and 19722 transitions. [2022-07-21 14:02:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:02:35,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 653 [2022-07-21 14:02:35,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:02:35,591 INFO L225 Difference]: With dead ends: 13139 [2022-07-21 14:02:35,591 INFO L226 Difference]: Without dead ends: 8664 [2022-07-21 14:02:35,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:02:35,622 INFO L413 NwaCegarLoop]: 3983 mSDtfsCounter, 3096 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3096 SdHoareTripleChecker+Valid, 7506 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:02:35,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3096 Valid, 7506 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 14:02:35,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8664 states. [2022-07-21 14:02:35,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8664 to 8653. [2022-07-21 14:02:35,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8653 states, 6630 states have (on average 1.428657616892911) internal successors, (9472), 6758 states have internal predecessors, (9472), 1756 states have call successors, (1756), 266 states have call predecessors, (1756), 265 states have return successors, (1753), 1666 states have call predecessors, (1753), 1753 states have call successors, (1753) [2022-07-21 14:02:35,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8653 states to 8653 states and 12981 transitions. [2022-07-21 14:02:35,933 INFO L78 Accepts]: Start accepts. Automaton has 8653 states and 12981 transitions. Word has length 653 [2022-07-21 14:02:35,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:02:35,934 INFO L495 AbstractCegarLoop]: Abstraction has 8653 states and 12981 transitions. [2022-07-21 14:02:35,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-07-21 14:02:35,935 INFO L276 IsEmpty]: Start isEmpty. Operand 8653 states and 12981 transitions. [2022-07-21 14:02:35,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2022-07-21 14:02:35,958 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:02:35,959 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 50, 50, 50, 50, 50, 50, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:02:36,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 14:02:36,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:02:36,183 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:02:36,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:02:36,183 INFO L85 PathProgramCache]: Analyzing trace with hash 665963149, now seen corresponding path program 1 times [2022-07-21 14:02:36,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:02:36,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968640118] [2022-07-21 14:02:36,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:02:36,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:02:36,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:02:36,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:02:36,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 14:02:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:02:43,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 5268 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:02:43,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:02:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 11679 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 11496 trivial. 0 not checked. [2022-07-21 14:02:43,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:02:43,907 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:02:43,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968640118] [2022-07-21 14:02:43,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968640118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:02:43,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:02:43,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:02:43,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93544253] [2022-07-21 14:02:43,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:02:43,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:02:43,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:02:43,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:02:43,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:02:43,910 INFO L87 Difference]: Start difference. First operand 8653 states and 12981 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-21 14:02:45,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:02:45,336 INFO L93 Difference]: Finished difference Result 17220 states and 25835 transitions. [2022-07-21 14:02:45,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:02:45,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 638 [2022-07-21 14:02:45,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:02:45,436 INFO L225 Difference]: With dead ends: 17220 [2022-07-21 14:02:45,436 INFO L226 Difference]: Without dead ends: 12848 [2022-07-21 14:02:45,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 637 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:02:45,474 INFO L413 NwaCegarLoop]: 6855 mSDtfsCounter, 3291 mSDsluCounter, 3531 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3291 SdHoareTripleChecker+Valid, 10386 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:02:45,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3291 Valid, 10386 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 14:02:45,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12848 states. [2022-07-21 14:02:45,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12848 to 12846. [2022-07-21 14:02:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12846 states, 9860 states have (on average 1.4311359026369168) internal successors, (14111), 10049 states have internal predecessors, (14111), 2588 states have call successors, (2588), 397 states have call predecessors, (2588), 396 states have return successors, (2585), 2456 states have call predecessors, (2585), 2585 states have call successors, (2585) [2022-07-21 14:02:46,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12846 states to 12846 states and 19284 transitions. [2022-07-21 14:02:46,002 INFO L78 Accepts]: Start accepts. Automaton has 12846 states and 19284 transitions. Word has length 638 [2022-07-21 14:02:46,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:02:46,004 INFO L495 AbstractCegarLoop]: Abstraction has 12846 states and 19284 transitions. [2022-07-21 14:02:46,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-21 14:02:46,005 INFO L276 IsEmpty]: Start isEmpty. Operand 12846 states and 19284 transitions. [2022-07-21 14:02:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2022-07-21 14:02:46,027 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:02:46,027 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 50, 50, 50, 50, 50, 50, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:02:46,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 14:02:46,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:02:46,248 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:02:46,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:02:46,248 INFO L85 PathProgramCache]: Analyzing trace with hash 728002763, now seen corresponding path program 1 times [2022-07-21 14:02:46,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:02:46,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897938885] [2022-07-21 14:02:46,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:02:46,254 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:02:46,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:02:46,255 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:02:46,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 14:02:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:02:53,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 5268 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 14:02:53,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:03:20,007 INFO L134 CoverageAnalysis]: Checked inductivity of 11679 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11679 trivial. 0 not checked. [2022-07-21 14:03:20,009 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:03:20,009 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:03:20,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897938885] [2022-07-21 14:03:20,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897938885] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:03:20,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:03:20,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:03:20,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504323365] [2022-07-21 14:03:20,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:03:20,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:03:20,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:03:20,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:03:20,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:03:20,011 INFO L87 Difference]: Start difference. First operand 12846 states and 19284 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-07-21 14:03:21,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:03:21,008 INFO L93 Difference]: Finished difference Result 12846 states and 19284 transitions. [2022-07-21 14:03:21,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 14:03:21,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 638 [2022-07-21 14:03:21,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:03:21,110 INFO L225 Difference]: With dead ends: 12846 [2022-07-21 14:03:21,110 INFO L226 Difference]: Without dead ends: 12807 [2022-07-21 14:03:21,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 638 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:03:21,135 INFO L413 NwaCegarLoop]: 3560 mSDtfsCounter, 3348 mSDsluCounter, 3560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3348 SdHoareTripleChecker+Valid, 7120 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:03:21,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3348 Valid, 7120 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 14:03:21,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12807 states. [2022-07-21 14:03:21,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12807 to 12807. [2022-07-21 14:03:21,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12807 states, 9839 states have (on average 1.4314462851915846) internal successors, (14084), 10022 states have internal predecessors, (14084), 2573 states have call successors, (2573), 394 states have call predecessors, (2573), 394 states have return successors, (2573), 2447 states have call predecessors, (2573), 2573 states have call successors, (2573) [2022-07-21 14:03:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12807 states to 12807 states and 19230 transitions. [2022-07-21 14:03:21,661 INFO L78 Accepts]: Start accepts. Automaton has 12807 states and 19230 transitions. Word has length 638 [2022-07-21 14:03:21,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:03:21,662 INFO L495 AbstractCegarLoop]: Abstraction has 12807 states and 19230 transitions. [2022-07-21 14:03:21,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-07-21 14:03:21,662 INFO L276 IsEmpty]: Start isEmpty. Operand 12807 states and 19230 transitions. [2022-07-21 14:03:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2022-07-21 14:03:21,689 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:03:21,689 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 50, 50, 50, 50, 50, 50, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:03:21,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 14:03:21,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:03:21,912 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:03:21,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:03:21,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1680628003, now seen corresponding path program 1 times [2022-07-21 14:03:21,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:03:21,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116192059] [2022-07-21 14:03:21,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:03:21,917 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:03:21,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:03:21,919 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:03:21,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 14:03:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:29,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 5372 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:03:29,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:03:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 11456 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 11142 trivial. 0 not checked. [2022-07-21 14:03:30,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:03:30,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:03:30,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116192059] [2022-07-21 14:03:30,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116192059] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:03:30,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:03:30,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:03:30,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12343155] [2022-07-21 14:03:30,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:03:30,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:03:30,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:03:30,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:03:30,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:03:30,703 INFO L87 Difference]: Start difference. First operand 12807 states and 19230 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-07-21 14:03:31,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:03:31,940 INFO L93 Difference]: Finished difference Result 31824 states and 47764 transitions. [2022-07-21 14:03:31,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:03:31,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 680 [2022-07-21 14:03:31,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:03:32,184 INFO L225 Difference]: With dead ends: 31824 [2022-07-21 14:03:32,185 INFO L226 Difference]: Without dead ends: 19122 [2022-07-21 14:03:32,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:03:32,253 INFO L413 NwaCegarLoop]: 4277 mSDtfsCounter, 3346 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3346 SdHoareTripleChecker+Valid, 7800 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:03:32,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3346 Valid, 7800 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 14:03:32,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19122 states. [2022-07-21 14:03:32,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19122 to 19118. [2022-07-21 14:03:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19118 states, 14707 states have (on average 1.430815258040389) internal successors, (21043), 14978 states have internal predecessors, (21043), 3814 states have call successors, (3814), 596 states have call predecessors, (3814), 596 states have return successors, (3814), 3628 states have call predecessors, (3814), 3814 states have call successors, (3814) [2022-07-21 14:03:32,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19118 states to 19118 states and 28671 transitions. [2022-07-21 14:03:32,973 INFO L78 Accepts]: Start accepts. Automaton has 19118 states and 28671 transitions. Word has length 680 [2022-07-21 14:03:32,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:03:32,974 INFO L495 AbstractCegarLoop]: Abstraction has 19118 states and 28671 transitions. [2022-07-21 14:03:32,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-07-21 14:03:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 19118 states and 28671 transitions. [2022-07-21 14:03:33,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2022-07-21 14:03:33,049 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:03:33,052 INFO L195 NwaCegarLoop]: trace histogram [55, 55, 50, 50, 50, 50, 50, 50, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:03:33,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-21 14:03:33,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:03:33,276 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:03:33,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:03:33,276 INFO L85 PathProgramCache]: Analyzing trace with hash 429113281, now seen corresponding path program 1 times [2022-07-21 14:03:33,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:03:33,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939543239] [2022-07-21 14:03:33,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:03:33,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:03:33,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:03:33,283 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:03:33,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 14:03:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:42,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 5517 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 14:03:42,022 INFO L286 TraceCheckSpWp]: Computing forward predicates...