./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2ac9f535af8244b093bc9b2ebba67ea5b28a2022739cf8ea5f1809dc862f0515 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:58:14,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:58:14,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:58:14,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:58:14,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:58:14,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:58:14,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:58:14,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:58:14,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:58:14,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:58:14,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:58:14,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:58:14,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:58:14,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:58:14,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:58:14,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:58:14,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:58:14,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:58:14,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:58:14,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:58:14,105 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:58:14,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:58:14,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:58:14,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:58:14,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:58:14,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:58:14,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:58:14,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:58:14,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:58:14,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:58:14,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:58:14,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:58:14,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:58:14,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:58:14,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:58:14,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:58:14,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:58:14,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:58:14,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:58:14,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:58:14,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:58:14,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:58:14,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:58:14,157 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:58:14,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:58:14,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:58:14,158 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:58:14,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:58:14,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:58:14,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:58:14,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:58:14,160 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:58:14,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:58:14,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:58:14,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:58:14,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:58:14,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:58:14,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:58:14,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:58:14,162 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:58:14,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:58:14,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:58:14,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:58:14,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:58:14,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:58:14,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:58:14,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:58:14,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:58:14,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:58:14,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:58:14,164 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:58:14,165 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:58:14,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:58:14,165 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ac9f535af8244b093bc9b2ebba67ea5b28a2022739cf8ea5f1809dc862f0515 [2022-07-23 00:58:14,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:58:14,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:58:14,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:58:14,444 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:58:14,444 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:58:14,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i [2022-07-23 00:58:14,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0cd680f8/6e3284d48777495c895f7035da7bebe0/FLAGd12163a75 [2022-07-23 00:58:15,351 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:58:15,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i [2022-07-23 00:58:15,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0cd680f8/6e3284d48777495c895f7035da7bebe0/FLAGd12163a75 [2022-07-23 00:58:15,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0cd680f8/6e3284d48777495c895f7035da7bebe0 [2022-07-23 00:58:15,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:58:15,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:58:15,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:58:15,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:58:15,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:58:15,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:58:15" (1/1) ... [2022-07-23 00:58:15,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420a57df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:15, skipping insertion in model container [2022-07-23 00:58:15,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:58:15" (1/1) ... [2022-07-23 00:58:15,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:58:15,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:58:18,416 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i[421041,421054] [2022-07-23 00:58:18,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:58:18,625 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:58:19,001 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 [11335] 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) [2022-07-23 00:58:19,012 INFO L158 Benchmark]: Toolchain (without parser) took 3169.43ms. Allocated memory was 104.9MB in the beginning and 199.2MB in the end (delta: 94.4MB). Free memory was 58.8MB in the beginning and 90.5MB in the end (delta: -31.7MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2022-07-23 00:58:19,013 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory was 68.9MB in the beginning and 68.7MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 00:58:19,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3167.58ms. Allocated memory was 104.9MB in the beginning and 199.2MB in the end (delta: 94.4MB). Free memory was 58.6MB in the beginning and 90.5MB in the end (delta: -31.9MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2022-07-23 00:58:19,017 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 104.9MB. Free memory was 68.9MB in the beginning and 68.7MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3167.58ms. Allocated memory was 104.9MB in the beginning and 199.2MB in the end (delta: 94.4MB). Free memory was 58.6MB in the beginning and 90.5MB in the end (delta: -31.9MB). Peak memory consumption was 79.0MB. 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 [11335] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [11335]: 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2ac9f535af8244b093bc9b2ebba67ea5b28a2022739cf8ea5f1809dc862f0515 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:58:20,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:58:20,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:58:21,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:58:21,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:58:21,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:58:21,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:58:21,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:58:21,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:58:21,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:58:21,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:58:21,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:58:21,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:58:21,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:58:21,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:58:21,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:58:21,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:58:21,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:58:21,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:58:21,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:58:21,065 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:58:21,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:58:21,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:58:21,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:58:21,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:58:21,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:58:21,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:58:21,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:58:21,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:58:21,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:58:21,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:58:21,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:58:21,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:58:21,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:58:21,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:58:21,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:58:21,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:58:21,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:58:21,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:58:21,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:58:21,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:58:21,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:58:21,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 00:58:21,132 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:58:21,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:58:21,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:58:21,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:58:21,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:58:21,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:58:21,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:58:21,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:58:21,136 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:58:21,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:58:21,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:58:21,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:58:21,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:58:21,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:58:21,137 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 00:58:21,138 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 00:58:21,138 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 00:58:21,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:58:21,138 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:58:21,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:58:21,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:58:21,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:58:21,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:58:21,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:58:21,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:58:21,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:58:21,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:58:21,140 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 00:58:21,140 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 00:58:21,141 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:58:21,141 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:58:21,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:58:21,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 00:58:21,142 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ac9f535af8244b093bc9b2ebba67ea5b28a2022739cf8ea5f1809dc862f0515 [2022-07-23 00:58:21,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:58:21,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:58:21,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:58:21,491 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:58:21,492 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:58:21,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i [2022-07-23 00:58:21,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b385dcde/589c83bff1be44c198a4bd8e960cb883/FLAG0a675b1e3 [2022-07-23 00:58:22,438 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:58:22,438 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i [2022-07-23 00:58:22,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b385dcde/589c83bff1be44c198a4bd8e960cb883/FLAG0a675b1e3 [2022-07-23 00:58:22,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b385dcde/589c83bff1be44c198a4bd8e960cb883 [2022-07-23 00:58:22,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:58:22,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:58:22,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:58:22,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:58:22,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:58:22,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:58:22" (1/1) ... [2022-07-23 00:58:22,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181fc4b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:22, skipping insertion in model container [2022-07-23 00:58:22,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:58:22" (1/1) ... [2022-07-23 00:58:22,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:58:23,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:58:25,722 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i[421041,421054] [2022-07-23 00:58:26,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:58:26,128 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 00:58:26,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:58:26,558 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i[421041,421054] [2022-07-23 00:58:26,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:58:26,615 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:58:27,106 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i[421041,421054] [2022-07-23 00:58:27,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:58:27,400 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:58:27,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:27 WrapperNode [2022-07-23 00:58:27,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:58:27,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:58:27,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:58:27,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:58:27,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:27" (1/1) ... [2022-07-23 00:58:27,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:27" (1/1) ... [2022-07-23 00:58:27,706 INFO L137 Inliner]: procedures = 289, calls = 4249, calls flagged for inlining = 77, calls inlined = 70, statements flattened = 6462 [2022-07-23 00:58:27,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:58:27,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:58:27,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:58:27,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:58:27,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:27" (1/1) ... [2022-07-23 00:58:27,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:27" (1/1) ... [2022-07-23 00:58:27,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:27" (1/1) ... [2022-07-23 00:58:27,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:27" (1/1) ... [2022-07-23 00:58:27,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:27" (1/1) ... [2022-07-23 00:58:27,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:27" (1/1) ... [2022-07-23 00:58:28,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:27" (1/1) ... [2022-07-23 00:58:28,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:58:28,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:58:28,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:58:28,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:58:28,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:27" (1/1) ... [2022-07-23 00:58:28,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:58:28,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:58:28,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 00:58:28,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 00:58:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-23 00:58:28,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-23 00:58:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-23 00:58:28,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-23 00:58:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 00:58:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-23 00:58:28,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-23 00:58:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 00:58:28,259 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 00:58:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 00:58:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:58:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 00:58:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:58:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:58:28,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:58:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:58:28,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:58:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc [2022-07-23 00:58:28,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc [2022-07-23 00:58:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-23 00:58:28,261 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-23 00:58:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury [2022-07-23 00:58:28,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury [2022-07-23 00:58:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2022-07-23 00:58:28,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2022-07-23 00:58:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-23 00:58:28,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-23 00:58:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-23 00:58:28,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-23 00:58:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-07-23 00:58:28,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-07-23 00:58:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:58:28,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:58:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2022-07-23 00:58:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2022-07-23 00:58:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:58:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:58:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-07-23 00:58:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-07-23 00:58:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-23 00:58:28,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-23 00:58:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2022-07-23 00:58:28,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2022-07-23 00:58:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-07-23 00:58:28,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-07-23 00:58:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-23 00:58:28,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-23 00:58:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2022-07-23 00:58:28,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2022-07-23 00:58:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-23 00:58:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-23 00:58:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:58:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:58:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-23 00:58:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-23 00:58:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:58:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:58:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-23 00:58:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-23 00:58:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-23 00:58:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-23 00:58:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-23 00:58:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-23 00:58:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-23 00:58:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-23 00:58:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-23 00:58:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-23 00:58:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:58:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-23 00:58:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-23 00:58:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-23 00:58:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-23 00:58:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:58:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-23 00:58:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-23 00:58:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_dvbt [2022-07-23 00:58:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_dvbt [2022-07-23 00:58:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 00:58:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 00:58:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 00:58:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:58:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-23 00:58:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-23 00:58:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:58:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 00:58:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 00:58:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 00:58:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 00:58:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-23 00:58:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-23 00:58:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-23 00:58:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-23 00:58:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-23 00:58:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-23 00:58:28,277 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-23 00:58:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-23 00:58:28,277 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-23 00:58:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-23 00:58:28,277 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mh [2022-07-23 00:58:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mh [2022-07-23 00:58:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-23 00:58:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-23 00:58:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-23 00:58:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-23 00:58:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-23 00:58:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-23 00:58:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-23 00:58:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-23 00:58:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-23 00:58:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-23 00:58:28,280 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-23 00:58:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-23 00:58:28,282 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-23 00:58:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-23 00:58:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-23 00:58:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-23 00:58:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 00:58:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 00:58:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-23 00:58:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-23 00:58:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 00:58:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 00:58:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-23 00:58:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-23 00:58:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-23 00:58:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-23 00:58:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 00:58:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 00:58:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:58:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:58:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:58:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:58:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-23 00:58:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-23 00:58:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:58:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:58:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:58:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:58:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-23 00:58:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-23 00:58:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 00:58:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 00:58:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-23 00:58:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-23 00:58:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:58:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 00:58:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 00:58:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 00:58:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-23 00:58:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-23 00:58:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-23 00:58:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-23 00:58:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-23 00:58:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-23 00:58:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury [2022-07-23 00:58:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury [2022-07-23 00:58:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-23 00:58:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-23 00:58:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-23 00:58:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-23 00:58:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-23 00:58:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-23 00:58:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-23 00:58:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-23 00:58:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-23 00:58:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-23 00:58:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-23 00:58:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-23 00:58:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-23 00:58:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-23 00:58:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-23 00:58:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-23 00:58:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-23 00:58:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-23 00:58:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 00:58:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-23 00:58:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-23 00:58:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:58:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:58:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-23 00:58:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-23 00:58:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-23 00:58:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-23 00:58:29,156 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:58:29,159 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:58:30,055 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:00:25,824 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:00:25,843 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:00:25,844 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 01:00:25,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:00:25 BoogieIcfgContainer [2022-07-23 01:00:25,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:00:25,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:00:25,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:00:25,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:00:25,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:58:22" (1/3) ... [2022-07-23 01:00:25,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf7b4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:00:25, skipping insertion in model container [2022-07-23 01:00:25,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:58:27" (2/3) ... [2022-07-23 01:00:25,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf7b4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:00:25, skipping insertion in model container [2022-07-23 01:00:25,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:00:25" (3/3) ... [2022-07-23 01:00:25,859 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i [2022-07-23 01:00:25,874 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:00:25,875 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:00:25,985 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:00:25,990 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@26e33945, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4727a388 [2022-07-23 01:00:25,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:00:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 2294 states, 1718 states have (on average 1.480791618160652) internal successors, (2544), 1767 states have internal predecessors, (2544), 498 states have call successors, (498), 77 states have call predecessors, (498), 76 states have return successors, (486), 466 states have call predecessors, (486), 486 states have call successors, (486) [2022-07-23 01:00:26,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2022-07-23 01:00:26,045 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:00:26,047 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:00:26,048 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:00:26,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:00:26,054 INFO L85 PathProgramCache]: Analyzing trace with hash 91669794, now seen corresponding path program 1 times [2022-07-23 01:00:26,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:00:26,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499322018] [2022-07-23 01:00:26,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:00:26,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:00:26,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:00:26,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:00:26,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 01:00:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:00:34,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 6277 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-23 01:00:34,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:00:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5145 backedges. 2136 proven. 0 refuted. 0 times theorem prover too weak. 3009 trivial. 0 not checked. [2022-07-23 01:00:34,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:00:34,639 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:00:34,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499322018] [2022-07-23 01:00:34,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499322018] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:00:34,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:00:34,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 01:00:34,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523559049] [2022-07-23 01:00:34,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:00:34,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 01:00:34,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:00:34,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 01:00:34,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 01:00:34,688 INFO L87 Difference]: Start difference. First operand has 2294 states, 1718 states have (on average 1.480791618160652) internal successors, (2544), 1767 states have internal predecessors, (2544), 498 states have call successors, (498), 77 states have call predecessors, (498), 76 states have return successors, (486), 466 states have call predecessors, (486), 486 states have call successors, (486) Second operand has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-07-23 01:00:34,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:00:34,873 INFO L93 Difference]: Finished difference Result 4583 states and 7154 transitions. [2022-07-23 01:00:34,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 01:00:34,883 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 584 [2022-07-23 01:00:34,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:00:34,921 INFO L225 Difference]: With dead ends: 4583 [2022-07-23 01:00:34,921 INFO L226 Difference]: Without dead ends: 2275 [2022-07-23 01:00:34,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 583 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 01:00:34,947 INFO L413 NwaCegarLoop]: 3518 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3518 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:00:34,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3518 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:00:34,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2022-07-23 01:00:35,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2275. [2022-07-23 01:00:35,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2275 states, 1713 states have (on average 1.4734384121424402) internal successors, (2524), 1748 states have internal predecessors, (2524), 486 states have call successors, (486), 76 states have call predecessors, (486), 75 states have return successors, (479), 459 states have call predecessors, (479), 479 states have call successors, (479) [2022-07-23 01:00:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 2275 states and 3489 transitions. [2022-07-23 01:00:35,220 INFO L78 Accepts]: Start accepts. Automaton has 2275 states and 3489 transitions. Word has length 584 [2022-07-23 01:00:35,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:00:35,221 INFO L495 AbstractCegarLoop]: Abstraction has 2275 states and 3489 transitions. [2022-07-23 01:00:35,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-07-23 01:00:35,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 3489 transitions. [2022-07-23 01:00:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2022-07-23 01:00:35,237 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:00:35,251 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:00:35,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 01:00:35,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:00:35,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:00:35,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:00:35,453 INFO L85 PathProgramCache]: Analyzing trace with hash 2085834324, now seen corresponding path program 1 times [2022-07-23 01:00:35,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:00:35,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601695630] [2022-07-23 01:00:35,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:00:35,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:00:35,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:00:35,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:00:35,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 01:00:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:00:46,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 6277 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 01:00:46,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:00:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 5019 trivial. 0 not checked. [2022-07-23 01:00:47,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:00:47,688 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:00:47,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601695630] [2022-07-23 01:00:47,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601695630] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:00:47,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:00:47,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:00:47,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738779799] [2022-07-23 01:00:47,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:00:47,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:00:47,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:00:47,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:00:47,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:00:47,693 INFO L87 Difference]: Start difference. First operand 2275 states and 3489 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-23 01:00:51,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:00:51,343 INFO L93 Difference]: Finished difference Result 4502 states and 6920 transitions. [2022-07-23 01:00:51,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 01:00:51,345 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 584 [2022-07-23 01:00:51,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:00:51,364 INFO L225 Difference]: With dead ends: 4502 [2022-07-23 01:00:51,365 INFO L226 Difference]: Without dead ends: 2278 [2022-07-23 01:00:51,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:00:51,383 INFO L413 NwaCegarLoop]: 3470 mSDtfsCounter, 6 mSDsluCounter, 13840 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 17310 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:00:51,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 17310 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-23 01:00:51,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2022-07-23 01:00:51,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2278. [2022-07-23 01:00:51,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2278 states, 1715 states have (on average 1.473469387755102) internal successors, (2527), 1751 states have internal predecessors, (2527), 486 states have call successors, (486), 76 states have call predecessors, (486), 76 states have return successors, (480), 459 states have call predecessors, (480), 479 states have call successors, (480) [2022-07-23 01:00:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 2278 states and 3493 transitions. [2022-07-23 01:00:51,484 INFO L78 Accepts]: Start accepts. Automaton has 2278 states and 3493 transitions. Word has length 584 [2022-07-23 01:00:51,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:00:51,486 INFO L495 AbstractCegarLoop]: Abstraction has 2278 states and 3493 transitions. [2022-07-23 01:00:51,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-23 01:00:51,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 3493 transitions. [2022-07-23 01:00:51,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-07-23 01:00:51,501 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:00:51,502 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:00:51,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 01:00:51,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:00:51,724 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:00:51,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:00:51,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1189342793, now seen corresponding path program 1 times [2022-07-23 01:00:51,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:00:51,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067321707] [2022-07-23 01:00:51,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:00:51,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:00:51,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:00:51,731 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:00:51,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 01:01:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:03,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 6442 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 01:01:03,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:01:04,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5475 backedges. 168 proven. 1 refuted. 0 times theorem prover too weak. 5306 trivial. 0 not checked. [2022-07-23 01:01:04,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:01:08,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5475 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 5334 trivial. 0 not checked. [2022-07-23 01:01:08,176 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:01:08,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1067321707] [2022-07-23 01:01:08,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1067321707] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:01:08,176 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:01:08,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-23 01:01:08,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637815476] [2022-07-23 01:01:08,177 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:01:08,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 01:01:08,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:01:08,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 01:01:08,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-23 01:01:08,181 INFO L87 Difference]: Start difference. First operand 2278 states and 3493 transitions. Second operand has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 11 states have internal predecessors, (94), 4 states have call successors, (61), 2 states have call predecessors, (61), 5 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2022-07-23 01:01:14,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:01:14,689 INFO L93 Difference]: Finished difference Result 4513 states and 6937 transitions. [2022-07-23 01:01:14,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 01:01:14,691 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 11 states have internal predecessors, (94), 4 states have call successors, (61), 2 states have call predecessors, (61), 5 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) Word has length 599 [2022-07-23 01:01:14,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:01:14,711 INFO L225 Difference]: With dead ends: 4513 [2022-07-23 01:01:14,711 INFO L226 Difference]: Without dead ends: 2289 [2022-07-23 01:01:14,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1199 GetRequests, 1187 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-23 01:01:14,729 INFO L413 NwaCegarLoop]: 3473 mSDtfsCounter, 17 mSDsluCounter, 20753 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 24226 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:01:14,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 24226 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-23 01:01:14,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2022-07-23 01:01:14,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 2289. [2022-07-23 01:01:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2289 states, 1723 states have (on average 1.4724318049912943) internal successors, (2537), 1759 states have internal predecessors, (2537), 487 states have call successors, (487), 78 states have call predecessors, (487), 78 states have return successors, (482), 460 states have call predecessors, (482), 480 states have call successors, (482) [2022-07-23 01:01:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 3506 transitions. [2022-07-23 01:01:14,822 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 3506 transitions. Word has length 599 [2022-07-23 01:01:14,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:01:14,827 INFO L495 AbstractCegarLoop]: Abstraction has 2289 states and 3506 transitions. [2022-07-23 01:01:14,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 11 states have internal predecessors, (94), 4 states have call successors, (61), 2 states have call predecessors, (61), 5 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2022-07-23 01:01:14,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3506 transitions. [2022-07-23 01:01:14,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2022-07-23 01:01:14,833 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:14,837 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 24, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:15,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 01:01:15,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:01:15,068 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:15,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:15,069 INFO L85 PathProgramCache]: Analyzing trace with hash -135555644, now seen corresponding path program 2 times [2022-07-23 01:01:15,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:01:15,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153965505] [2022-07-23 01:01:15,074 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:01:15,074 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:01:15,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:01:15,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:01:15,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 01:01:21,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:01:21,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:01:21,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 4617 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:01:21,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:01:22,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5781 trivial. 0 not checked. [2022-07-23 01:01:22,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:01:22,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:01:22,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153965505] [2022-07-23 01:01:22,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [153965505] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:01:22,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:01:22,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:01:22,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331057904] [2022-07-23 01:01:22,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:01:22,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:01:22,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:01:22,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:01:22,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:01:22,107 INFO L87 Difference]: Start difference. First operand 2289 states and 3506 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2022-07-23 01:01:22,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:01:22,958 INFO L93 Difference]: Finished difference Result 6257 states and 9608 transitions. [2022-07-23 01:01:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:01:22,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 608 [2022-07-23 01:01:22,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:01:22,991 INFO L225 Difference]: With dead ends: 6257 [2022-07-23 01:01:22,992 INFO L226 Difference]: Without dead ends: 4064 [2022-07-23 01:01:23,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:01:23,011 INFO L413 NwaCegarLoop]: 3854 mSDtfsCounter, 2842 mSDsluCounter, 3352 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2842 SdHoareTripleChecker+Valid, 7206 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 01:01:23,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2842 Valid, 7206 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 01:01:23,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2022-07-23 01:01:23,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4040. [2022-07-23 01:01:23,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4040 states, 3043 states have (on average 1.4814327965823202) internal successors, (4508), 3109 states have internal predecessors, (4508), 853 states have call successors, (853), 143 states have call predecessors, (853), 143 states have return successors, (848), 805 states have call predecessors, (848), 846 states have call successors, (848) [2022-07-23 01:01:23,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4040 states to 4040 states and 6209 transitions. [2022-07-23 01:01:23,187 INFO L78 Accepts]: Start accepts. Automaton has 4040 states and 6209 transitions. Word has length 608 [2022-07-23 01:01:23,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:01:23,189 INFO L495 AbstractCegarLoop]: Abstraction has 4040 states and 6209 transitions. [2022-07-23 01:01:23,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2022-07-23 01:01:23,190 INFO L276 IsEmpty]: Start isEmpty. Operand 4040 states and 6209 transitions. [2022-07-23 01:01:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2022-07-23 01:01:23,196 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:23,197 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 24, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:23,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 01:01:23,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:01:23,416 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:23,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:23,416 INFO L85 PathProgramCache]: Analyzing trace with hash 982470913, now seen corresponding path program 1 times [2022-07-23 01:01:23,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:01:23,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843398291] [2022-07-23 01:01:23,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:23,422 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:01:23,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:01:23,423 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:01:23,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 01:01:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:35,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 6514 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 01:01:35,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:01:36,697 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 220 proven. 3 refuted. 0 times theorem prover too weak. 5558 trivial. 0 not checked. [2022-07-23 01:01:36,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:01:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 0 proven. 195 refuted. 0 times theorem prover too weak. 5586 trivial. 0 not checked. [2022-07-23 01:01:41,761 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:01:41,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843398291] [2022-07-23 01:01:41,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843398291] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:01:41,762 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 01:01:41,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-23 01:01:41,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576012809] [2022-07-23 01:01:41,763 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 01:01:41,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 01:01:41,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:01:41,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 01:01:41,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-23 01:01:41,765 INFO L87 Difference]: Start difference. First operand 4040 states and 6209 transitions. Second operand has 13 states, 11 states have (on average 9.090909090909092) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (61), 2 states have call predecessors, (61), 5 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2022-07-23 01:01:49,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:01:49,527 INFO L93 Difference]: Finished difference Result 8041 states and 12366 transitions. [2022-07-23 01:01:49,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 01:01:49,529 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.090909090909092) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (61), 2 states have call predecessors, (61), 5 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) Word has length 612 [2022-07-23 01:01:49,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:01:49,556 INFO L225 Difference]: With dead ends: 8041 [2022-07-23 01:01:49,556 INFO L226 Difference]: Without dead ends: 4052 [2022-07-23 01:01:49,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1226 GetRequests, 1211 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-07-23 01:01:49,578 INFO L413 NwaCegarLoop]: 3474 mSDtfsCounter, 18 mSDsluCounter, 31173 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 34647 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:01:49,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 34647 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-07-23 01:01:49,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4052 states. [2022-07-23 01:01:49,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4052 to 4041. [2022-07-23 01:01:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4041 states, 3044 states have (on average 1.4816031537450722) internal successors, (4510), 3110 states have internal predecessors, (4510), 853 states have call successors, (853), 143 states have call predecessors, (853), 143 states have return successors, (848), 805 states have call predecessors, (848), 846 states have call successors, (848) [2022-07-23 01:01:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4041 states to 4041 states and 6211 transitions. [2022-07-23 01:01:49,728 INFO L78 Accepts]: Start accepts. Automaton has 4041 states and 6211 transitions. Word has length 612 [2022-07-23 01:01:49,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:01:49,729 INFO L495 AbstractCegarLoop]: Abstraction has 4041 states and 6211 transitions. [2022-07-23 01:01:49,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.090909090909092) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (61), 2 states have call predecessors, (61), 5 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2022-07-23 01:01:49,730 INFO L276 IsEmpty]: Start isEmpty. Operand 4041 states and 6211 transitions. [2022-07-23 01:01:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-07-23 01:01:49,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:49,774 INFO L195 NwaCegarLoop]: trace histogram [33, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:49,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 01:01:49,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:01:49,975 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:49,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:49,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2052209044, now seen corresponding path program 2 times [2022-07-23 01:01:49,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:01:49,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461593074] [2022-07-23 01:01:49,980 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:01:49,980 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:01:49,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:01:49,982 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:01:49,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 01:01:56,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 01:01:56,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:01:56,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 4590 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:01:56,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:01:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 6168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6168 trivial. 0 not checked. [2022-07-23 01:01:57,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:01:57,493 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 01:01:57,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461593074] [2022-07-23 01:01:57,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461593074] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:01:57,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:01:57,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:01:57,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413610684] [2022-07-23 01:01:57,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:01:57,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:01:57,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 01:01:57,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:01:57,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:01:57,495 INFO L87 Difference]: Start difference. First operand 4041 states and 6211 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2022-07-23 01:01:58,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:01:58,962 INFO L93 Difference]: Finished difference Result 11851 states and 18249 transitions. [2022-07-23 01:01:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:01:58,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 621 [2022-07-23 01:01:58,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:01:59,061 INFO L225 Difference]: With dead ends: 11851 [2022-07-23 01:01:59,062 INFO L226 Difference]: Without dead ends: 7906 [2022-07-23 01:01:59,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:01:59,090 INFO L413 NwaCegarLoop]: 4463 mSDtfsCounter, 3272 mSDsluCounter, 3469 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3272 SdHoareTripleChecker+Valid, 7932 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:01:59,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3272 Valid, 7932 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-23 01:01:59,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7906 states. [2022-07-23 01:01:59,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7906 to 7895. [2022-07-23 01:01:59,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7895 states, 5977 states have (on average 1.4875355529529863) internal successors, (8891), 6101 states have internal predecessors, (8891), 1635 states have call successors, (1635), 282 states have call predecessors, (1635), 282 states have return successors, (1630), 1547 states have call predecessors, (1630), 1628 states have call successors, (1630) [2022-07-23 01:01:59,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7895 states to 7895 states and 12156 transitions. [2022-07-23 01:01:59,558 INFO L78 Accepts]: Start accepts. Automaton has 7895 states and 12156 transitions. Word has length 621 [2022-07-23 01:01:59,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:01:59,560 INFO L495 AbstractCegarLoop]: Abstraction has 7895 states and 12156 transitions. [2022-07-23 01:01:59,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2022-07-23 01:01:59,560 INFO L276 IsEmpty]: Start isEmpty. Operand 7895 states and 12156 transitions. [2022-07-23 01:01:59,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2022-07-23 01:01:59,569 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:59,570 INFO L195 NwaCegarLoop]: trace histogram [33, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:59,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 01:01:59,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 01:01:59,792 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:59,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:59,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1228359568, now seen corresponding path program 1 times [2022-07-23 01:01:59,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 01:01:59,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425597022] [2022-07-23 01:01:59,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:59,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 01:01:59,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 01:01:59,800 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 01:01:59,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 01:02:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:11,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 6684 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 01:02:11,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:02:13,319 INFO L134 CoverageAnalysis]: Checked inductivity of 6518 backedges. 638 proven. 6 refuted. 0 times theorem prover too weak. 5874 trivial. 0 not checked. [2022-07-23 01:02:13,320 INFO L328 TraceCheckSpWp]: Computing backward predicates...