./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 805da4969fed59701f34ab4b08f18cb998495b0e0d4aa74f082eef62f15672a0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:07:37,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:07:37,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:07:37,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:07:37,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:07:37,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:07:37,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:07:37,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:07:37,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:07:37,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:07:37,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:07:37,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:07:37,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:07:37,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:07:37,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:07:37,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:07:37,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:07:37,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:07:37,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:07:37,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:07:37,991 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:07:37,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:07:37,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:07:38,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:07:38,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:07:38,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:07:38,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:07:38,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:07:38,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:07:38,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:07:38,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:07:38,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:07:38,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:07:38,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:07:38,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:07:38,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:07:38,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:07:38,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:07:38,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:07:38,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:07:38,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:07:38,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:07:38,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:07:38,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:07:38,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:07:38,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:07:38,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:07:38,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:07:38,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:07:38,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:07:38,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:07:38,056 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:07:38,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:07:38,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:07:38,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:07:38,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:07:38,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:07:38,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:07:38,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:07:38,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:07:38,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:07:38,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:07:38,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:07:38,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:07:38,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:07:38,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:07:38,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:07:38,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:07:38,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:07:38,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:07:38,061 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:07:38,061 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:07:38,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:07:38,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 805da4969fed59701f34ab4b08f18cb998495b0e0d4aa74f082eef62f15672a0 [2022-07-14 03:07:38,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:07:38,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:07:38,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:07:38,367 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:07:38,368 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:07:38,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-14 03:07:38,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ade5ed8d0/b1d77f3b111241e3b20a0c40ee66d1f8/FLAGab2f59551 [2022-07-14 03:07:39,328 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:07:39,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-14 03:07:39,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ade5ed8d0/b1d77f3b111241e3b20a0c40ee66d1f8/FLAGab2f59551 [2022-07-14 03:07:39,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ade5ed8d0/b1d77f3b111241e3b20a0c40ee66d1f8 [2022-07-14 03:07:39,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:07:39,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:07:39,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:07:39,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:07:39,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:07:39,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:07:39" (1/1) ... [2022-07-14 03:07:39,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de2f135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:39, skipping insertion in model container [2022-07-14 03:07:39,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:07:39" (1/1) ... [2022-07-14 03:07:39,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:07:40,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:07:42,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462712,462725] [2022-07-14 03:07:42,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462859,462872] [2022-07-14 03:07:42,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462998,463011] [2022-07-14 03:07:42,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[463156,463169] [2022-07-14 03:07:42,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:07:42,994 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:07:43,355 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12941] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-14 03:07:43,362 INFO L158 Benchmark]: Toolchain (without parser) took 3456.68ms. Allocated memory was 88.1MB in the beginning and 163.6MB in the end (delta: 75.5MB). Free memory was 54.3MB in the beginning and 79.3MB in the end (delta: -24.9MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2022-07-14 03:07:43,363 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 03:07:43,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3452.76ms. Allocated memory was 88.1MB in the beginning and 163.6MB in the end (delta: 75.5MB). Free memory was 54.0MB in the beginning and 79.3MB in the end (delta: -25.3MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2022-07-14 03:07:43,366 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3452.76ms. Allocated memory was 88.1MB in the beginning and 163.6MB in the end (delta: 75.5MB). Free memory was 54.0MB in the beginning and 79.3MB in the end (delta: -25.3MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12941] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12941]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 805da4969fed59701f34ab4b08f18cb998495b0e0d4aa74f082eef62f15672a0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:07:45,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:07:45,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:07:45,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:07:45,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:07:45,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:07:45,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:07:45,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:07:45,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:07:45,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:07:45,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:07:45,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:07:45,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:07:45,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:07:45,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:07:45,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:07:45,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:07:45,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:07:45,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:07:45,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:07:45,327 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:07:45,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:07:45,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:07:45,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:07:45,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:07:45,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:07:45,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:07:45,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:07:45,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:07:45,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:07:45,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:07:45,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:07:45,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:07:45,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:07:45,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:07:45,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:07:45,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:07:45,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:07:45,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:07:45,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:07:45,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:07:45,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:07:45,363 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 03:07:45,394 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:07:45,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:07:45,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:07:45,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:07:45,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:07:45,396 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:07:45,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:07:45,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:07:45,405 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:07:45,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:07:45,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:07:45,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:07:45,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:07:45,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:07:45,407 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 03:07:45,407 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 03:07:45,408 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 03:07:45,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:07:45,408 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:07:45,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:07:45,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:07:45,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:07:45,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:07:45,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:07:45,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:07:45,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:07:45,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:07:45,410 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 03:07:45,410 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 03:07:45,410 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:07:45,411 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:07:45,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:07:45,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 03:07:45,411 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 805da4969fed59701f34ab4b08f18cb998495b0e0d4aa74f082eef62f15672a0 [2022-07-14 03:07:45,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:07:45,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:07:45,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:07:45,793 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:07:45,794 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:07:45,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-14 03:07:45,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eecdcb2a/2252dae5724d4bc4b7bede488dbfe667/FLAG6a2a553d6 [2022-07-14 03:07:46,792 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:07:46,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-14 03:07:46,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eecdcb2a/2252dae5724d4bc4b7bede488dbfe667/FLAG6a2a553d6 [2022-07-14 03:07:47,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eecdcb2a/2252dae5724d4bc4b7bede488dbfe667 [2022-07-14 03:07:47,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:07:47,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:07:47,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:07:47,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:07:47,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:07:47,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:07:47" (1/1) ... [2022-07-14 03:07:47,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a19f495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:47, skipping insertion in model container [2022-07-14 03:07:47,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:07:47" (1/1) ... [2022-07-14 03:07:47,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:07:47,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:07:51,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462712,462725] [2022-07-14 03:07:51,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462859,462872] [2022-07-14 03:07:51,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462998,463011] [2022-07-14 03:07:51,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[463156,463169] [2022-07-14 03:07:51,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:07:51,462 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 03:07:51,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:07:52,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462712,462725] [2022-07-14 03:07:52,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462859,462872] [2022-07-14 03:07:52,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462998,463011] [2022-07-14 03:07:52,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[463156,463169] [2022-07-14 03:07:52,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:07:52,066 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:07:52,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462712,462725] [2022-07-14 03:07:52,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462859,462872] [2022-07-14 03:07:52,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462998,463011] [2022-07-14 03:07:52,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[463156,463169] [2022-07-14 03:07:52,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:07:52,907 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:07:52,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:52 WrapperNode [2022-07-14 03:07:52,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:07:52,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:07:52,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:07:52,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:07:52,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:52" (1/1) ... [2022-07-14 03:07:53,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:52" (1/1) ... [2022-07-14 03:07:53,386 INFO L137 Inliner]: procedures = 311, calls = 4182, calls flagged for inlining = 163, calls inlined = 155, statements flattened = 6819 [2022-07-14 03:07:53,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:07:53,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:07:53,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:07:53,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:07:53,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:52" (1/1) ... [2022-07-14 03:07:53,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:52" (1/1) ... [2022-07-14 03:07:53,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:52" (1/1) ... [2022-07-14 03:07:53,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:52" (1/1) ... [2022-07-14 03:07:53,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:52" (1/1) ... [2022-07-14 03:07:53,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:52" (1/1) ... [2022-07-14 03:07:53,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:52" (1/1) ... [2022-07-14 03:07:53,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:07:53,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:07:53,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:07:53,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:07:53,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:52" (1/1) ... [2022-07-14 03:07:53,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:07:53,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:07:53,817 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) [2022-07-14 03:07:53,845 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 [2022-07-14 03:07:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-14 03:07:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-14 03:07:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-14 03:07:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-14 03:07:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 03:07:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-14 03:07:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-14 03:07:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 03:07:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 03:07:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-14 03:07:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-14 03:07:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 03:07:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:07:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 03:07:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:07:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:07:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:07:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-14 03:07:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-14 03:07:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:07:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:07:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-14 03:07:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-14 03:07:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-14 03:07:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-14 03:07:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 03:07:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 03:07:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-14 03:07:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-14 03:07:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-14 03:07:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-14 03:07:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_xfer [2022-07-14 03:07:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_xfer [2022-07-14 03:07:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-14 03:07:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-14 03:07:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-14 03:07:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-14 03:07:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_sleep [2022-07-14 03:07:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_sleep [2022-07-14 03:07:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-14 03:07:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-14 03:07:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-14 03:07:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-14 03:07:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-14 03:07:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-14 03:07:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-14 03:07:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-14 03:07:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-14 03:07:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-14 03:07:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:07:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-14 03:07:53,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-14 03:07:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-14 03:07:53,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-14 03:07:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:07:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:07:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:07:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:07:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:07:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-14 03:07:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-14 03:07:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 03:07:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 03:07:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_init [2022-07-14 03:07:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_init [2022-07-14 03:07:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 03:07:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:07:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-14 03:07:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-14 03:07:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:07:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 03:07:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 03:07:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 03:07:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 03:07:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-14 03:07:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-14 03:07:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:07:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:07:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-14 03:07:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-14 03:07:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-14 03:07:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-14 03:07:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-14 03:07:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-14 03:07:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-14 03:07:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-14 03:07:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:07:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:07:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-14 03:07:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-14 03:07:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-14 03:07:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-14 03:07:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-14 03:07:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-14 03:07:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-14 03:07:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-14 03:07:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:07:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:07:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-14 03:07:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-14 03:07:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-14 03:07:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-14 03:07:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-14 03:07:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-14 03:07:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 03:07:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 03:07:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-14 03:07:53,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-14 03:07:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 03:07:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 03:07:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-14 03:07:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-14 03:07:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-14 03:07:53,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-14 03:07:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 03:07:53,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 03:07:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:07:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:07:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-14 03:07:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-14 03:07:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:07:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 03:07:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 03:07:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 03:07:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 03:07:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:07:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-14 03:07:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-14 03:07:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:07:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:07:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-14 03:07:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-14 03:07:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:07:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 03:07:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 03:07:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 03:07:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-14 03:07:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-14 03:07:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-14 03:07:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-14 03:07:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-14 03:07:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-14 03:07:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:07:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:07:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_func [2022-07-14 03:07:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_func [2022-07-14 03:07:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-14 03:07:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-14 03:07:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-14 03:07:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-14 03:07:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-14 03:07:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-14 03:07:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-14 03:07:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-14 03:07:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-14 03:07:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-14 03:07:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-14 03:07:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-14 03:07:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-14 03:07:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-14 03:07:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-14 03:07:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-14 03:07:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 03:07:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-14 03:07:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-14 03:07:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:07:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:07:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:07:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:07:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-14 03:07:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-14 03:07:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-14 03:07:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-14 03:07:54,960 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:07:54,963 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:08:00,032 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:10:20,295 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:10:20,501 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:10:20,522 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:10:20,523 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 03:10:20,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:10:20 BoogieIcfgContainer [2022-07-14 03:10:20,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:10:20,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:10:20,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:10:20,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:10:20,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:07:47" (1/3) ... [2022-07-14 03:10:20,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37aab750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:10:20, skipping insertion in model container [2022-07-14 03:10:20,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:07:52" (2/3) ... [2022-07-14 03:10:20,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37aab750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:10:20, skipping insertion in model container [2022-07-14 03:10:20,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:10:20" (3/3) ... [2022-07-14 03:10:20,535 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-14 03:10:20,550 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:10:20,551 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-14 03:10:20,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:10:20,687 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@69ae7e95, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5216d8af [2022-07-14 03:10:20,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-14 03:10:20,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 2401 states, 1807 states have (on average 1.4150525733259547) internal successors, (2557), 1839 states have internal predecessors, (2557), 521 states have call successors, (521), 72 states have call predecessors, (521), 71 states have return successors, (514), 494 states have call predecessors, (514), 514 states have call successors, (514) [2022-07-14 03:10:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2022-07-14 03:10:20,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:10:20,751 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:10:20,752 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:10:20,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:10:20,759 INFO L85 PathProgramCache]: Analyzing trace with hash 919965541, now seen corresponding path program 1 times [2022-07-14 03:10:20,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:10:20,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1717105854] [2022-07-14 03:10:20,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:10:20,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:10:20,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:10:20,791 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) [2022-07-14 03:10:20,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 03:10:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:10:28,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 5140 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:10:28,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:10:29,757 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-14 03:10:29,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:10:29,759 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:10:29,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1717105854] [2022-07-14 03:10:29,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1717105854] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:10:29,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:10:29,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:10:29,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257594462] [2022-07-14 03:10:29,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:10:29,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:10:29,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:10:29,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:10:29,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:29,820 INFO L87 Difference]: Start difference. First operand has 2401 states, 1807 states have (on average 1.4150525733259547) internal successors, (2557), 1839 states have internal predecessors, (2557), 521 states have call successors, (521), 72 states have call predecessors, (521), 71 states have return successors, (514), 494 states have call predecessors, (514), 514 states have call successors, (514) Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-14 03:10:31,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:10:31,565 INFO L93 Difference]: Finished difference Result 6890 states and 10342 transitions. [2022-07-14 03:10:31,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:10:31,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 579 [2022-07-14 03:10:31,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:10:31,628 INFO L225 Difference]: With dead ends: 6890 [2022-07-14 03:10:31,629 INFO L226 Difference]: Without dead ends: 4582 [2022-07-14 03:10:31,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:31,729 INFO L413 NwaCegarLoop]: 4037 mSDtfsCounter, 3330 mSDsluCounter, 3524 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3330 SdHoareTripleChecker+Valid, 7561 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:10:31,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 7561 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-14 03:10:31,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2022-07-14 03:10:32,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4580. [2022-07-14 03:10:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4580 states, 3483 states have (on average 1.422624174562159) internal successors, (4955), 3546 states have internal predecessors, (4955), 956 states have call successors, (956), 140 states have call predecessors, (956), 139 states have return successors, (953), 913 states have call predecessors, (953), 953 states have call successors, (953) [2022-07-14 03:10:32,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4580 states to 4580 states and 6864 transitions. [2022-07-14 03:10:32,072 INFO L78 Accepts]: Start accepts. Automaton has 4580 states and 6864 transitions. Word has length 579 [2022-07-14 03:10:32,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:10:32,077 INFO L495 AbstractCegarLoop]: Abstraction has 4580 states and 6864 transitions. [2022-07-14 03:10:32,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-14 03:10:32,079 INFO L276 IsEmpty]: Start isEmpty. Operand 4580 states and 6864 transitions. [2022-07-14 03:10:32,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2022-07-14 03:10:32,104 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:10:32,105 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:10:32,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 03:10:32,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:10:32,328 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:10:32,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:10:32,329 INFO L85 PathProgramCache]: Analyzing trace with hash -272167897, now seen corresponding path program 1 times [2022-07-14 03:10:32,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:10:32,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333464252] [2022-07-14 03:10:32,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:10:32,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:10:32,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:10:32,339 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) [2022-07-14 03:10:32,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 03:10:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:10:40,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 5331 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:10:40,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:10:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 11268 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11118 trivial. 0 not checked. [2022-07-14 03:10:41,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:10:41,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:10:41,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1333464252] [2022-07-14 03:10:41,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1333464252] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:10:41,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:10:41,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:10:41,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396929128] [2022-07-14 03:10:41,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:10:41,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:10:41,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:10:41,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:10:41,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:41,731 INFO L87 Difference]: Start difference. First operand 4580 states and 6864 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-07-14 03:10:43,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:10:43,622 INFO L93 Difference]: Finished difference Result 13139 states and 19722 transitions. [2022-07-14 03:10:43,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:10:43,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 653 [2022-07-14 03:10:43,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:10:43,698 INFO L225 Difference]: With dead ends: 13139 [2022-07-14 03:10:43,699 INFO L226 Difference]: Without dead ends: 8664 [2022-07-14 03:10:43,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:43,733 INFO L413 NwaCegarLoop]: 3983 mSDtfsCounter, 3096 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3096 SdHoareTripleChecker+Valid, 7506 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:10:43,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3096 Valid, 7506 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-14 03:10:43,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8664 states. [2022-07-14 03:10:44,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8664 to 8653. [2022-07-14 03:10:44,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8653 states, 6630 states have (on average 1.428657616892911) internal successors, (9472), 6758 states have internal predecessors, (9472), 1756 states have call successors, (1756), 266 states have call predecessors, (1756), 265 states have return successors, (1753), 1666 states have call predecessors, (1753), 1753 states have call successors, (1753) [2022-07-14 03:10:44,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8653 states to 8653 states and 12981 transitions. [2022-07-14 03:10:44,124 INFO L78 Accepts]: Start accepts. Automaton has 8653 states and 12981 transitions. Word has length 653 [2022-07-14 03:10:44,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:10:44,126 INFO L495 AbstractCegarLoop]: Abstraction has 8653 states and 12981 transitions. [2022-07-14 03:10:44,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-07-14 03:10:44,127 INFO L276 IsEmpty]: Start isEmpty. Operand 8653 states and 12981 transitions. [2022-07-14 03:10:44,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2022-07-14 03:10:44,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:10:44,155 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 50, 50, 50, 50, 50, 50, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:10:44,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 03:10:44,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:10:44,380 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:10:44,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:10:44,381 INFO L85 PathProgramCache]: Analyzing trace with hash 665963149, now seen corresponding path program 1 times [2022-07-14 03:10:44,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:10:44,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185203161] [2022-07-14 03:10:44,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:10:44,389 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:10:44,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:10:44,391 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) [2022-07-14 03:10:44,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 03:10:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:10:52,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 5268 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:10:52,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:10:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 11679 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 11496 trivial. 0 not checked. [2022-07-14 03:10:53,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:10:53,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:10:53,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185203161] [2022-07-14 03:10:53,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185203161] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:10:53,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:10:53,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:10:53,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103833206] [2022-07-14 03:10:53,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:10:53,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:10:53,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:10:53,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:10:53,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:53,615 INFO L87 Difference]: Start difference. First operand 8653 states and 12981 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-14 03:10:55,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:10:55,203 INFO L93 Difference]: Finished difference Result 17220 states and 25835 transitions. [2022-07-14 03:10:55,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:10:55,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 638 [2022-07-14 03:10:55,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:10:55,340 INFO L225 Difference]: With dead ends: 17220 [2022-07-14 03:10:55,341 INFO L226 Difference]: Without dead ends: 12848 [2022-07-14 03:10:55,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 637 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:55,392 INFO L413 NwaCegarLoop]: 6855 mSDtfsCounter, 3291 mSDsluCounter, 3531 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3291 SdHoareTripleChecker+Valid, 10386 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:10:55,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3291 Valid, 10386 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-14 03:10:55,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12848 states. [2022-07-14 03:10:56,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12848 to 12846. [2022-07-14 03:10:56,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12846 states, 9860 states have (on average 1.4311359026369168) internal successors, (14111), 10049 states have internal predecessors, (14111), 2588 states have call successors, (2588), 397 states have call predecessors, (2588), 396 states have return successors, (2585), 2456 states have call predecessors, (2585), 2585 states have call successors, (2585) [2022-07-14 03:10:56,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12846 states to 12846 states and 19284 transitions. [2022-07-14 03:10:56,159 INFO L78 Accepts]: Start accepts. Automaton has 12846 states and 19284 transitions. Word has length 638 [2022-07-14 03:10:56,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:10:56,162 INFO L495 AbstractCegarLoop]: Abstraction has 12846 states and 19284 transitions. [2022-07-14 03:10:56,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-14 03:10:56,162 INFO L276 IsEmpty]: Start isEmpty. Operand 12846 states and 19284 transitions. [2022-07-14 03:10:56,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2022-07-14 03:10:56,197 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:10:56,198 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 50, 50, 50, 50, 50, 50, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:10:56,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 03:10:56,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:10:56,420 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:10:56,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:10:56,421 INFO L85 PathProgramCache]: Analyzing trace with hash 728002763, now seen corresponding path program 1 times [2022-07-14 03:10:56,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:10:56,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533431851] [2022-07-14 03:10:56,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:10:56,433 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:10:56,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:10:56,435 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) [2022-07-14 03:10:56,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 03:11:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:05,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 5268 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:11:05,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:11:32,253 INFO L134 CoverageAnalysis]: Checked inductivity of 11679 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11679 trivial. 0 not checked. [2022-07-14 03:11:32,254 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:11:32,254 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:11:32,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533431851] [2022-07-14 03:11:32,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533431851] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:11:32,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:11:32,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:11:32,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836957805] [2022-07-14 03:11:32,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:11:32,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:11:32,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:11:32,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:11:32,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:11:32,261 INFO L87 Difference]: Start difference. First operand 12846 states and 19284 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-07-14 03:11:33,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:11:33,552 INFO L93 Difference]: Finished difference Result 12846 states and 19284 transitions. [2022-07-14 03:11:33,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 03:11:33,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 638 [2022-07-14 03:11:33,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:11:33,666 INFO L225 Difference]: With dead ends: 12846 [2022-07-14 03:11:33,666 INFO L226 Difference]: Without dead ends: 12807 [2022-07-14 03:11:33,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 638 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:11:33,690 INFO L413 NwaCegarLoop]: 3560 mSDtfsCounter, 3348 mSDsluCounter, 3560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3348 SdHoareTripleChecker+Valid, 7120 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 03:11:33,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3348 Valid, 7120 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 03:11:33,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12807 states. [2022-07-14 03:11:34,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12807 to 12807. [2022-07-14 03:11:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12807 states, 9839 states have (on average 1.4314462851915846) internal successors, (14084), 10022 states have internal predecessors, (14084), 2573 states have call successors, (2573), 394 states have call predecessors, (2573), 394 states have return successors, (2573), 2447 states have call predecessors, (2573), 2573 states have call successors, (2573) [2022-07-14 03:11:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12807 states to 12807 states and 19230 transitions. [2022-07-14 03:11:34,297 INFO L78 Accepts]: Start accepts. Automaton has 12807 states and 19230 transitions. Word has length 638 [2022-07-14 03:11:34,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:11:34,299 INFO L495 AbstractCegarLoop]: Abstraction has 12807 states and 19230 transitions. [2022-07-14 03:11:34,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-07-14 03:11:34,299 INFO L276 IsEmpty]: Start isEmpty. Operand 12807 states and 19230 transitions. [2022-07-14 03:11:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2022-07-14 03:11:34,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:11:34,328 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 50, 50, 50, 50, 50, 50, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:11:34,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 03:11:34,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:11:34,552 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:11:34,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:11:34,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1680628003, now seen corresponding path program 1 times [2022-07-14 03:11:34,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:11:34,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1558068793] [2022-07-14 03:11:34,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:11:34,561 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:11:34,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:11:34,563 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) [2022-07-14 03:11:34,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 03:11:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:11:43,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 5372 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:11:43,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:11:44,575 INFO L134 CoverageAnalysis]: Checked inductivity of 11456 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 11142 trivial. 0 not checked. [2022-07-14 03:11:44,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:11:44,578 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:11:44,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1558068793] [2022-07-14 03:11:44,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1558068793] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:11:44,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:11:44,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:11:44,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272049346] [2022-07-14 03:11:44,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:11:44,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:11:44,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:11:44,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:11:44,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:11:44,582 INFO L87 Difference]: Start difference. First operand 12807 states and 19230 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-07-14 03:11:45,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:11:45,989 INFO L93 Difference]: Finished difference Result 31824 states and 47764 transitions. [2022-07-14 03:11:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:11:45,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 680 [2022-07-14 03:11:45,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:11:46,146 INFO L225 Difference]: With dead ends: 31824 [2022-07-14 03:11:46,146 INFO L226 Difference]: Without dead ends: 19122 [2022-07-14 03:11:46,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:11:46,244 INFO L413 NwaCegarLoop]: 4277 mSDtfsCounter, 3346 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3346 SdHoareTripleChecker+Valid, 7800 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 03:11:46,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3346 Valid, 7800 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 03:11:46,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19122 states.