./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 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-?-6c24879 [2022-07-12 13:41:51,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:41:51,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:41:51,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:41:51,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:41:51,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:41:51,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:41:51,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:41:51,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:41:51,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:41:51,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:41:51,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:41:51,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:41:51,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:41:51,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:41:51,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:41:51,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:41:51,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:41:51,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:41:51,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:41:51,836 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:41:51,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:41:51,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:41:51,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:41:51,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:41:51,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:41:51,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:41:51,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:41:51,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:41:51,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:41:51,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:41:51,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:41:51,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:41:51,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:41:51,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:41:51,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:41:51,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:41:51,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:41:51,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:41:51,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:41:51,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:41:51,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:41:51,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:41:51,894 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:41:51,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:41:51,895 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:41:51,895 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:41:51,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:41:51,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:41:51,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:41:51,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:41:51,897 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:41:51,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:41:51,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:41:51,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:41:51,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:41:51,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:41:51,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:41:51,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:41:51,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:41:51,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:41:51,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:41:51,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:41:51,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:41:51,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:41:51,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:41:51,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:41:51,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:41:51,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:41:51,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:41:51,903 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:41:51,903 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:41:51,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:41:51,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ac9f535af8244b093bc9b2ebba67ea5b28a2022739cf8ea5f1809dc862f0515 [2022-07-12 13:41:52,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:41:52,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:41:52,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:41:52,156 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:41:52,157 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:41:52,158 INFO L432 ainManager$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 [2022-07-12 13:41:52,225 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be874377/bb17673df4ed42c1b8302508b9d4fefb/FLAG522fa8b5e [2022-07-12 13:41:52,970 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:41:52,971 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 [2022-07-12 13:41:53,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be874377/bb17673df4ed42c1b8302508b9d4fefb/FLAG522fa8b5e [2022-07-12 13:41:53,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be874377/bb17673df4ed42c1b8302508b9d4fefb [2022-07-12 13:41:53,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:41:53,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:41:53,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:41:53,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:41:53,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:41:53,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:41:53" (1/1) ... [2022-07-12 13:41:53,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2344db01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:41:53, skipping insertion in model container [2022-07-12 13:41:53,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:41:53" (1/1) ... [2022-07-12 13:41:53,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:41:53,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:41:55,605 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] [2022-07-12 13:41:55,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:41:55,972 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:41:56,290 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) [2022-07-12 13:41:56,295 INFO L158 Benchmark]: Toolchain (without parser) took 3061.46ms. Allocated memory was 88.1MB in the beginning and 216.0MB in the end (delta: 127.9MB). Free memory was 52.6MB in the beginning and 115.0MB in the end (delta: -62.4MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2022-07-12 13:41:56,296 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 58.4MB in the beginning and 58.4MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 13:41:56,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3057.72ms. Allocated memory was 88.1MB in the beginning and 216.0MB in the end (delta: 127.9MB). Free memory was 52.6MB in the beginning and 115.0MB in the end (delta: -62.4MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2022-07-12 13:41:56,298 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 58.4MB in the beginning and 58.4MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3057.72ms. Allocated memory was 88.1MB in the beginning and 216.0MB in the end (delta: 127.9MB). Free memory was 52.6MB in the beginning and 115.0MB in the end (delta: -62.4MB). Peak memory consumption was 78.7MB. 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-?-6c24879 [2022-07-12 13:41:58,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:41:58,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:41:58,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:41:58,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:41:58,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:41:58,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:41:58,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:41:58,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:41:58,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:41:58,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:41:58,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:41:58,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:41:58,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:41:58,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:41:58,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:41:58,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:41:58,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:41:58,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:41:58,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:41:58,115 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:41:58,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:41:58,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:41:58,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:41:58,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:41:58,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:41:58,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:41:58,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:41:58,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:41:58,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:41:58,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:41:58,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:41:58,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:41:58,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:41:58,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:41:58,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:41:58,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:41:58,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:41:58,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:41:58,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:41:58,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:41:58,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:41:58,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 13:41:58,169 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:41:58,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:41:58,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:41:58,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:41:58,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:41:58,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:41:58,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:41:58,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:41:58,172 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:41:58,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:41:58,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:41:58,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:41:58,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:41:58,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:41:58,174 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 13:41:58,175 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 13:41:58,175 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 13:41:58,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:41:58,175 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:41:58,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:41:58,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:41:58,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:41:58,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:41:58,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:41:58,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:41:58,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:41:58,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:41:58,177 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 13:41:58,177 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 13:41:58,177 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:41:58,177 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:41:58,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:41:58,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 13:41:58,178 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ac9f535af8244b093bc9b2ebba67ea5b28a2022739cf8ea5f1809dc862f0515 [2022-07-12 13:41:58,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:41:58,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:41:58,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:41:58,493 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:41:58,494 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:41:58,496 INFO L432 ainManager$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 [2022-07-12 13:41:58,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4cb233d/2e788398028845bcb74092b287733573/FLAGb489ec973 [2022-07-12 13:41:59,434 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:41:59,434 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 [2022-07-12 13:41:59,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4cb233d/2e788398028845bcb74092b287733573/FLAGb489ec973 [2022-07-12 13:41:59,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4cb233d/2e788398028845bcb74092b287733573 [2022-07-12 13:41:59,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:41:59,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:41:59,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:41:59,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:41:59,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:41:59,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:41:59" (1/1) ... [2022-07-12 13:41:59,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca0aa3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:41:59, skipping insertion in model container [2022-07-12 13:41:59,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:41:59" (1/1) ... [2022-07-12 13:41:59,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:41:59,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:42:01,964 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] [2022-07-12 13:42:02,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:42:02,335 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 13:42:02,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:42:02,794 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] [2022-07-12 13:42:02,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:42:02,840 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:42:03,269 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] [2022-07-12 13:42:03,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:42:03,485 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:42:03,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:42:03 WrapperNode [2022-07-12 13:42:03,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:42:03,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:42:03,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:42:03,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:42:03,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:42:03" (1/1) ... [2022-07-12 13:42:03,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:42:03" (1/1) ... [2022-07-12 13:42:03,799 INFO L137 Inliner]: procedures = 289, calls = 4249, calls flagged for inlining = 77, calls inlined = 70, statements flattened = 6462 [2022-07-12 13:42:03,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:42:03,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:42:03,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:42:03,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:42:03,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:42:03" (1/1) ... [2022-07-12 13:42:03,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:42:03" (1/1) ... [2022-07-12 13:42:03,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:42:03" (1/1) ... [2022-07-12 13:42:03,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:42:03" (1/1) ... [2022-07-12 13:42:04,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:42:03" (1/1) ... [2022-07-12 13:42:04,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:42:03" (1/1) ... [2022-07-12 13:42:04,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:42:03" (1/1) ... [2022-07-12 13:42:04,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:42:04,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:42:04,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:42:04,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:42:04,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:42:03" (1/1) ... [2022-07-12 13:42:04,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:42:04,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:42:04,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 13:42:04,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 13:42:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-12 13:42:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-12 13:42:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-12 13:42:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-12 13:42:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 13:42:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-12 13:42:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-12 13:42:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 13:42:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 13:42:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 13:42:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:42:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 13:42:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:42:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:42:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:42:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:42:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:42:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc [2022-07-12 13:42:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc [2022-07-12 13:42:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-12 13:42:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-12 13:42:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury [2022-07-12 13:42:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury [2022-07-12 13:42:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2022-07-12 13:42:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2022-07-12 13:42:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-12 13:42:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-12 13:42:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-12 13:42:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-12 13:42:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-07-12 13:42:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-07-12 13:42:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 13:42:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 13:42:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2022-07-12 13:42:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2022-07-12 13:42:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:42:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:42:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-07-12 13:42:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-07-12 13:42:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-12 13:42:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-12 13:42:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2022-07-12 13:42:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2022-07-12 13:42:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-07-12 13:42:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-07-12 13:42:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-12 13:42:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-12 13:42:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2022-07-12 13:42:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2022-07-12 13:42:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-12 13:42:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-12 13:42:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:42:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:42:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-12 13:42:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-12 13:42:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:42:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:42:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-12 13:42:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-12 13:42:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-12 13:42:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-12 13:42:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-12 13:42:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-12 13:42:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-12 13:42:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-12 13:42:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-12 13:42:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-12 13:42:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:42:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-12 13:42:04,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-12 13:42:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-12 13:42:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-12 13:42:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:42:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-12 13:42:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-12 13:42:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_dvbt [2022-07-12 13:42:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_dvbt [2022-07-12 13:42:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 13:42:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 13:42:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 13:42:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:42:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-12 13:42:04,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-12 13:42:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:42:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 13:42:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 13:42:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 13:42:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 13:42:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-12 13:42:04,305 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-12 13:42:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-12 13:42:04,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-12 13:42:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-12 13:42:04,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-12 13:42:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-12 13:42:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-12 13:42:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-12 13:42:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-12 13:42:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mh [2022-07-12 13:42:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mh [2022-07-12 13:42:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-12 13:42:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-12 13:42:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-12 13:42:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-12 13:42:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-12 13:42:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-12 13:42:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-12 13:42:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-12 13:42:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-12 13:42:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-12 13:42:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-12 13:42:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-12 13:42:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-12 13:42:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-12 13:42:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-12 13:42:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-12 13:42:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 13:42:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 13:42:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-12 13:42:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-12 13:42:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 13:42:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 13:42:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-12 13:42:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-12 13:42:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-12 13:42:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-12 13:42:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 13:42:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 13:42:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:42:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:42:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:42:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:42:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-12 13:42:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-12 13:42:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:42:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:42:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:42:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:42:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-12 13:42:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-12 13:42:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 13:42:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 13:42:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-12 13:42:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-12 13:42:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:42:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 13:42:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 13:42:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 13:42:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-12 13:42:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-12 13:42:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-12 13:42:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-12 13:42:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-12 13:42:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-12 13:42:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury [2022-07-12 13:42:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury [2022-07-12 13:42:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-12 13:42:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-12 13:42:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-12 13:42:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-12 13:42:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-12 13:42:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-12 13:42:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-12 13:42:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-12 13:42:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-12 13:42:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-12 13:42:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-12 13:42:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-12 13:42:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-12 13:42:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-12 13:42:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-12 13:42:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-12 13:42:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-12 13:42:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-12 13:42:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 13:42:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-12 13:42:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-12 13:42:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:42:04,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:42:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-12 13:42:04,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-12 13:42:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-12 13:42:04,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-12 13:42:05,206 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:42:05,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:42:06,026 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:44:00,719 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:44:00,737 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:44:00,737 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 13:44:00,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:44:00 BoogieIcfgContainer [2022-07-12 13:44:00,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:44:00,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:44:00,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:44:00,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:44:00,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:41:59" (1/3) ... [2022-07-12 13:44:00,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3635966f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:44:00, skipping insertion in model container [2022-07-12 13:44:00,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:42:03" (2/3) ... [2022-07-12 13:44:00,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3635966f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:44:00, skipping insertion in model container [2022-07-12 13:44:00,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:44:00" (3/3) ... [2022-07-12 13:44:00,747 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 [2022-07-12 13:44:00,758 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:44:00,759 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:44:00,826 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:44:00,831 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@564470e3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@11abad0b [2022-07-12 13:44:00,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:44:00,842 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) [2022-07-12 13:44:00,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2022-07-12 13:44:00,887 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:44:00,888 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] [2022-07-12 13:44:00,889 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:44:00,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:44:00,893 INFO L85 PathProgramCache]: Analyzing trace with hash 91669794, now seen corresponding path program 1 times [2022-07-12 13:44:00,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:44:00,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849061955] [2022-07-12 13:44:00,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:44:00,914 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:44:00,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:44:00,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:44:00,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 13:44:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:44:08,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 6277 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 13:44:08,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:44:08,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5145 backedges. 2136 proven. 0 refuted. 0 times theorem prover too weak. 3009 trivial. 0 not checked. [2022-07-12 13:44:08,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:44:08,267 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:44:08,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849061955] [2022-07-12 13:44:08,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [849061955] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:44:08,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:44:08,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:44:08,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188640393] [2022-07-12 13:44:08,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:44:08,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 13:44:08,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:44:08,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 13:44:08,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 13:44:08,302 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) [2022-07-12 13:44:08,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:44:08,455 INFO L93 Difference]: Finished difference Result 4583 states and 7154 transitions. [2022-07-12 13:44:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 13:44:08,457 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 [2022-07-12 13:44:08,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:44:08,482 INFO L225 Difference]: With dead ends: 4583 [2022-07-12 13:44:08,482 INFO L226 Difference]: Without dead ends: 2275 [2022-07-12 13:44:08,499 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 [2022-07-12 13:44:08,501 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 [2022-07-12 13:44:08,502 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] [2022-07-12 13:44:08,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2022-07-12 13:44:08,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2275. [2022-07-12 13:44:08,624 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) [2022-07-12 13:44:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 2275 states and 3489 transitions. [2022-07-12 13:44:08,643 INFO L78 Accepts]: Start accepts. Automaton has 2275 states and 3489 transitions. Word has length 584 [2022-07-12 13:44:08,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:44:08,644 INFO L495 AbstractCegarLoop]: Abstraction has 2275 states and 3489 transitions. [2022-07-12 13:44:08,644 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) [2022-07-12 13:44:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 3489 transitions. [2022-07-12 13:44:08,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2022-07-12 13:44:08,656 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:44:08,657 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] [2022-07-12 13:44:08,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 13:44:08,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:44:08,877 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:44:08,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:44:08,878 INFO L85 PathProgramCache]: Analyzing trace with hash 2085834324, now seen corresponding path program 1 times [2022-07-12 13:44:08,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:44:08,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [477469084] [2022-07-12 13:44:08,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:44:08,886 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:44:08,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:44:08,888 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:44:08,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 13:44:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:44:19,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 6277 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 13:44:19,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:44:20,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 5019 trivial. 0 not checked. [2022-07-12 13:44:20,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:44:20,172 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:44:20,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [477469084] [2022-07-12 13:44:20,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [477469084] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:44:20,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:44:20,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:44:20,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168817357] [2022-07-12 13:44:20,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:44:20,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:44:20,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:44:20,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:44:20,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:44:20,178 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) [2022-07-12 13:44:23,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:44:23,676 INFO L93 Difference]: Finished difference Result 4502 states and 6920 transitions. [2022-07-12 13:44:23,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:44:23,678 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 [2022-07-12 13:44:23,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:44:23,694 INFO L225 Difference]: With dead ends: 4502 [2022-07-12 13:44:23,695 INFO L226 Difference]: Without dead ends: 2278 [2022-07-12 13:44:23,705 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 [2022-07-12 13:44:23,706 INFO L413 NwaCegarLoop]: 3470 mSDtfsCounter, 6 mSDsluCounter, 13840 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 2.9s IncrementalHoareTripleChecker+Time [2022-07-12 13:44:23,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 17310 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-12 13:44:23,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2022-07-12 13:44:23,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2278. [2022-07-12 13:44:23,762 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) [2022-07-12 13:44:23,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 2278 states and 3493 transitions. [2022-07-12 13:44:23,775 INFO L78 Accepts]: Start accepts. Automaton has 2278 states and 3493 transitions. Word has length 584 [2022-07-12 13:44:23,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:44:23,777 INFO L495 AbstractCegarLoop]: Abstraction has 2278 states and 3493 transitions. [2022-07-12 13:44:23,777 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) [2022-07-12 13:44:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 3493 transitions. [2022-07-12 13:44:23,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-07-12 13:44:23,789 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:44:23,791 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] [2022-07-12 13:44:23,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 13:44:24,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:44:24,012 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:44:24,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:44:24,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1189342793, now seen corresponding path program 1 times [2022-07-12 13:44:24,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:44:24,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206920018] [2022-07-12 13:44:24,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:44:24,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:44:24,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:44:24,022 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:44:24,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 13:44:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:44:34,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 6442 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 13:44:34,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:44:35,574 INFO L134 CoverageAnalysis]: Checked inductivity of 5475 backedges. 168 proven. 1 refuted. 0 times theorem prover too weak. 5306 trivial. 0 not checked. [2022-07-12 13:44:35,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:44:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 5475 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 5334 trivial. 0 not checked. [2022-07-12 13:44:39,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:44:39,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [206920018] [2022-07-12 13:44:39,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [206920018] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:44:39,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:44:39,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-12 13:44:39,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364842727] [2022-07-12 13:44:39,470 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:44:39,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 13:44:39,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:44:39,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 13:44:39,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:44:39,473 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) [2022-07-12 13:44:45,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:44:45,309 INFO L93 Difference]: Finished difference Result 4513 states and 6937 transitions. [2022-07-12 13:44:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 13:44:45,310 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 [2022-07-12 13:44:45,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:44:45,330 INFO L225 Difference]: With dead ends: 4513 [2022-07-12 13:44:45,330 INFO L226 Difference]: Without dead ends: 2289 [2022-07-12 13:44:45,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1199 GetRequests, 1187 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-12 13:44:45,348 INFO L413 NwaCegarLoop]: 3473 mSDtfsCounter, 17 mSDsluCounter, 20753 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s 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, 4.9s IncrementalHoareTripleChecker+Time [2022-07-12 13:44:45,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 24226 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-12 13:44:45,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2022-07-12 13:44:45,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 2289. [2022-07-12 13:44:45,412 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) [2022-07-12 13:44:45,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 3506 transitions. [2022-07-12 13:44:45,424 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 3506 transitions. Word has length 599 [2022-07-12 13:44:45,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:44:45,427 INFO L495 AbstractCegarLoop]: Abstraction has 2289 states and 3506 transitions. [2022-07-12 13:44:45,427 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) [2022-07-12 13:44:45,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3506 transitions. [2022-07-12 13:44:45,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2022-07-12 13:44:45,434 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:44:45,437 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] [2022-07-12 13:44:45,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 13:44:45,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:44:45,652 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:44:45,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:44:45,652 INFO L85 PathProgramCache]: Analyzing trace with hash -135555644, now seen corresponding path program 2 times [2022-07-12 13:44:45,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:44:45,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1985477507] [2022-07-12 13:44:45,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:44:45,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:44:45,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:44:45,662 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:44:45,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 13:44:51,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 13:44:51,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:44:52,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 4617 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:44:52,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:44:52,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5781 trivial. 0 not checked. [2022-07-12 13:44:52,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:44:52,646 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:44:52,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1985477507] [2022-07-12 13:44:52,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1985477507] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:44:52,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:44:52,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:44:52,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774693927] [2022-07-12 13:44:52,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:44:52,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:44:52,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:44:52,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:44:52,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:44:52,648 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) [2022-07-12 13:44:53,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:44:53,406 INFO L93 Difference]: Finished difference Result 6257 states and 9608 transitions. [2022-07-12 13:44:53,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:44:53,407 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 [2022-07-12 13:44:53,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:44:53,435 INFO L225 Difference]: With dead ends: 6257 [2022-07-12 13:44:53,435 INFO L226 Difference]: Without dead ends: 4064 [2022-07-12 13:44:53,450 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 [2022-07-12 13:44:53,452 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 [2022-07-12 13:44:53,453 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] [2022-07-12 13:44:53,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2022-07-12 13:44:53,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4040. [2022-07-12 13:44:53,577 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) [2022-07-12 13:44:53,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4040 states to 4040 states and 6209 transitions. [2022-07-12 13:44:53,595 INFO L78 Accepts]: Start accepts. Automaton has 4040 states and 6209 transitions. Word has length 608 [2022-07-12 13:44:53,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:44:53,597 INFO L495 AbstractCegarLoop]: Abstraction has 4040 states and 6209 transitions. [2022-07-12 13:44:53,623 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) [2022-07-12 13:44:53,623 INFO L276 IsEmpty]: Start isEmpty. Operand 4040 states and 6209 transitions. [2022-07-12 13:44:53,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2022-07-12 13:44:53,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:44:53,629 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] [2022-07-12 13:44:53,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 13:44:53,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:44:53,848 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:44:53,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:44:53,849 INFO L85 PathProgramCache]: Analyzing trace with hash 982470913, now seen corresponding path program 1 times [2022-07-12 13:44:53,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:44:53,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832742357] [2022-07-12 13:44:53,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:44:53,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:44:53,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:44:53,856 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:44:53,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 13:45:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:45:04,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 6514 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 13:45:04,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:45:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 220 proven. 3 refuted. 0 times theorem prover too weak. 5558 trivial. 0 not checked. [2022-07-12 13:45:06,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:45:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 0 proven. 195 refuted. 0 times theorem prover too weak. 5586 trivial. 0 not checked. [2022-07-12 13:45:10,930 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:45:10,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832742357] [2022-07-12 13:45:10,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832742357] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:45:10,931 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:45:10,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-12 13:45:10,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966129533] [2022-07-12 13:45:10,932 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:45:10,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 13:45:10,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:45:10,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 13:45:10,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-12 13:45:10,934 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) [2022-07-12 13:45:18,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:45:18,909 INFO L93 Difference]: Finished difference Result 8041 states and 12366 transitions. [2022-07-12 13:45:18,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 13:45:18,910 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 [2022-07-12 13:45:18,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:45:18,941 INFO L225 Difference]: With dead ends: 8041 [2022-07-12 13:45:18,941 INFO L226 Difference]: Without dead ends: 4052 [2022-07-12 13:45:18,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1226 GetRequests, 1211 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-07-12 13:45:18,966 INFO L413 NwaCegarLoop]: 3474 mSDtfsCounter, 18 mSDsluCounter, 31173 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s 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, 6.7s IncrementalHoareTripleChecker+Time [2022-07-12 13:45:18,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 34647 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-07-12 13:45:18,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4052 states. [2022-07-12 13:45:19,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4052 to 4041. [2022-07-12 13:45:19,110 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) [2022-07-12 13:45:19,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4041 states to 4041 states and 6211 transitions. [2022-07-12 13:45:19,132 INFO L78 Accepts]: Start accepts. Automaton has 4041 states and 6211 transitions. Word has length 612 [2022-07-12 13:45:19,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:45:19,133 INFO L495 AbstractCegarLoop]: Abstraction has 4041 states and 6211 transitions. [2022-07-12 13:45:19,134 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) [2022-07-12 13:45:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 4041 states and 6211 transitions. [2022-07-12 13:45:19,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-07-12 13:45:19,140 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:45:19,140 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] [2022-07-12 13:45:19,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 13:45:19,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:45:19,364 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:45:19,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:45:19,364 INFO L85 PathProgramCache]: Analyzing trace with hash 2052209044, now seen corresponding path program 2 times [2022-07-12 13:45:19,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:45:19,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813658598] [2022-07-12 13:45:19,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:45:19,369 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:45:19,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:45:19,372 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:45:19,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 13:45:25,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 13:45:25,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:45:25,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 4590 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:45:25,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:45:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6168 trivial. 0 not checked. [2022-07-12 13:45:26,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:45:26,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:45:26,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813658598] [2022-07-12 13:45:26,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813658598] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:45:26,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:45:26,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:45:26,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346643652] [2022-07-12 13:45:26,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:45:26,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:45:26,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:45:26,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:45:26,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:45:26,542 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) [2022-07-12 13:45:27,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:45:27,804 INFO L93 Difference]: Finished difference Result 11851 states and 18249 transitions. [2022-07-12 13:45:27,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:45:27,805 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 [2022-07-12 13:45:27,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:45:27,861 INFO L225 Difference]: With dead ends: 11851 [2022-07-12 13:45:27,861 INFO L226 Difference]: Without dead ends: 7906 [2022-07-12 13:45:27,887 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 [2022-07-12 13:45:27,888 INFO L413 NwaCegarLoop]: 4463 mSDtfsCounter, 3272 mSDsluCounter, 3469 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:45:27,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3272 Valid, 7932 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 13:45:27,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7906 states. [2022-07-12 13:45:28,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7906 to 7895. [2022-07-12 13:45:28,179 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) [2022-07-12 13:45:28,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7895 states to 7895 states and 12156 transitions. [2022-07-12 13:45:28,213 INFO L78 Accepts]: Start accepts. Automaton has 7895 states and 12156 transitions. Word has length 621 [2022-07-12 13:45:28,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:45:28,214 INFO L495 AbstractCegarLoop]: Abstraction has 7895 states and 12156 transitions. [2022-07-12 13:45:28,215 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) [2022-07-12 13:45:28,215 INFO L276 IsEmpty]: Start isEmpty. Operand 7895 states and 12156 transitions. [2022-07-12 13:45:28,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2022-07-12 13:45:28,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:45:28,225 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] [2022-07-12 13:45:28,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 13:45:28,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:45:28,436 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:45:28,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:45:28,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1228359568, now seen corresponding path program 1 times [2022-07-12 13:45:28,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:45:28,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777998766] [2022-07-12 13:45:28,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:45:28,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:45:28,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:45:28,442 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:45:28,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 13:45:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:45:39,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 6684 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 13:45:39,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:45:41,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6518 backedges. 638 proven. 6 refuted. 0 times theorem prover too weak. 5874 trivial. 0 not checked. [2022-07-12 13:45:41,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:45:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 6518 backedges. 0 proven. 266 refuted. 0 times theorem prover too weak. 6252 trivial. 0 not checked. [2022-07-12 13:45:47,650 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:45:47,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777998766] [2022-07-12 13:45:47,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777998766] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:45:47,651 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:45:47,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-12 13:45:47,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906439850] [2022-07-12 13:45:47,651 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:45:47,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-12 13:45:47,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:45:47,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-12 13:45:47,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-12 13:45:47,653 INFO L87 Difference]: Start difference. First operand 7895 states and 12156 transitions. Second operand has 15 states, 13 states have (on average 8.846153846153847) internal successors, (115), 15 states have internal predecessors, (115), 4 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2022-07-12 13:45:57,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:45:57,266 INFO L93 Difference]: Finished difference Result 15780 states and 24298 transitions. [2022-07-12 13:45:57,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 13:45:57,268 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 8.846153846153847) internal successors, (115), 15 states have internal predecessors, (115), 4 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) Word has length 640 [2022-07-12 13:45:57,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:45:57,325 INFO L225 Difference]: With dead ends: 15780 [2022-07-12 13:45:57,325 INFO L226 Difference]: Without dead ends: 7936 [2022-07-12 13:45:57,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1283 GetRequests, 1265 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2022-07-12 13:45:57,356 INFO L413 NwaCegarLoop]: 3475 mSDtfsCounter, 36 mSDsluCounter, 34651 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 38126 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-07-12 13:45:57,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 38126 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-07-12 13:45:57,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7936 states. [2022-07-12 13:45:57,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7936 to 7896. [2022-07-12 13:45:57,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7896 states, 5978 states have (on average 1.4876212780194045) internal successors, (8893), 6102 states have internal predecessors, (8893), 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) [2022-07-12 13:45:57,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7896 states to 7896 states and 12158 transitions. [2022-07-12 13:45:57,626 INFO L78 Accepts]: Start accepts. Automaton has 7896 states and 12158 transitions. Word has length 640 [2022-07-12 13:45:57,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:45:57,627 INFO L495 AbstractCegarLoop]: Abstraction has 7896 states and 12158 transitions. [2022-07-12 13:45:57,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 8.846153846153847) internal successors, (115), 15 states have internal predecessors, (115), 4 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2022-07-12 13:45:57,627 INFO L276 IsEmpty]: Start isEmpty. Operand 7896 states and 12158 transitions. [2022-07-12 13:45:57,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2022-07-12 13:45:57,636 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:45:57,636 INFO L195 NwaCegarLoop]: trace histogram [42, 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] [2022-07-12 13:45:57,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 13:45:57,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:45:57,860 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:45:57,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:45:57,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1724816131, now seen corresponding path program 2 times [2022-07-12 13:45:57,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:45:57,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1415603004] [2022-07-12 13:45:57,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:45:57,866 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:45:57,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:45:57,867 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:45:57,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process