./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 12:10:11,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:10:11,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:10:11,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:10:11,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:10:11,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:10:11,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:10:11,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:10:11,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:10:11,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:10:11,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:10:11,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:10:11,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:10:11,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:10:11,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:10:11,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:10:11,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:10:11,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:10:11,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:10:11,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:10:11,465 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:10:11,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:10:11,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:10:11,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:10:11,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:10:11,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:10:11,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:10:11,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:10:11,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:10:11,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:10:11,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:10:11,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:10:11,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:10:11,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:10:11,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:10:11,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:10:11,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:10:11,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:10:11,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:10:11,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:10:11,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:10:11,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:10:11,485 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:10:11,514 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:10:11,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:10:11,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:10:11,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:10:11,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:10:11,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:10:11,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:10:11,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:10:11,517 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:10:11,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:10:11,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:10:11,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:10:11,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:10:11,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:10:11,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:10:11,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:10:11,519 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:10:11,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:10:11,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:10:11,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:10:11,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:10:11,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:10:11,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:10:11,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:10:11,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:10:11,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:10:11,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:10:11,522 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:10:11,522 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:10:11,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:10:11,522 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de [2022-07-12 12:10:11,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:10:11,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:10:11,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:10:11,753 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:10:11,753 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:10:11,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-12 12:10:11,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfbb392b7/8b00c0c7da6a45509e576b258b91b367/FLAG5955fb75b [2022-07-12 12:10:12,521 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:10:12,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-12 12:10:12,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfbb392b7/8b00c0c7da6a45509e576b258b91b367/FLAG5955fb75b [2022-07-12 12:10:12,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfbb392b7/8b00c0c7da6a45509e576b258b91b367 [2022-07-12 12:10:12,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:10:12,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:10:12,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:10:12,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:10:12,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:10:12,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:10:12" (1/1) ... [2022-07-12 12:10:12,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e382ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:12, skipping insertion in model container [2022-07-12 12:10:12,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:10:12" (1/1) ... [2022-07-12 12:10:12,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:10:12,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:10:14,544 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[390732,390745] [2022-07-12 12:10:14,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:10:14,670 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:10:14,970 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 [10140] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-12 12:10:14,977 INFO L158 Benchmark]: Toolchain (without parser) took 2133.15ms. Allocated memory was 102.8MB in the beginning and 218.1MB in the end (delta: 115.3MB). Free memory was 55.2MB in the beginning and 94.9MB in the end (delta: -39.7MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2022-07-12 12:10:14,978 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory was 60.1MB in the beginning and 60.0MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:10:14,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2130.63ms. Allocated memory was 102.8MB in the beginning and 218.1MB in the end (delta: 115.3MB). Free memory was 54.9MB in the beginning and 94.9MB in the end (delta: -40.0MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2022-07-12 12:10:14,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory was 60.1MB in the beginning and 60.0MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2130.63ms. Allocated memory was 102.8MB in the beginning and 218.1MB in the end (delta: 115.3MB). Free memory was 54.9MB in the beginning and 94.9MB in the end (delta: -40.0MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [10140] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [10140]: 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 12:10:16,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:10:16,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:10:16,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:10:16,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:10:16,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:10:16,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:10:16,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:10:16,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:10:16,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:10:16,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:10:16,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:10:16,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:10:16,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:10:16,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:10:16,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:10:16,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:10:16,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:10:16,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:10:16,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:10:16,645 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:10:16,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:10:16,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:10:16,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:10:16,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:10:16,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:10:16,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:10:16,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:10:16,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:10:16,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:10:16,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:10:16,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:10:16,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:10:16,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:10:16,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:10:16,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:10:16,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:10:16,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:10:16,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:10:16,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:10:16,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:10:16,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:10:16,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 12:10:16,698 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:10:16,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:10:16,698 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:10:16,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:10:16,699 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:10:16,699 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:10:16,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:10:16,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:10:16,700 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:10:16,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:10:16,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:10:16,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:10:16,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:10:16,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:10:16,701 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 12:10:16,702 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 12:10:16,702 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 12:10:16,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:10:16,702 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:10:16,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:10:16,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:10:16,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:10:16,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:10:16,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:10:16,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:10:16,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:10:16,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:10:16,703 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 12:10:16,704 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 12:10:16,704 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:10:16,704 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:10:16,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:10:16,704 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 12:10:16,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de [2022-07-12 12:10:16,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:10:17,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:10:17,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:10:17,018 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:10:17,018 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:10:17,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-12 12:10:17,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e314b49/193eb7cbc1854ef5a1ce2ad470c99203/FLAG378349ccf [2022-07-12 12:10:17,780 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:10:17,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-12 12:10:17,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e314b49/193eb7cbc1854ef5a1ce2ad470c99203/FLAG378349ccf [2022-07-12 12:10:18,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e314b49/193eb7cbc1854ef5a1ce2ad470c99203 [2022-07-12 12:10:18,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:10:18,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:10:18,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:10:18,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:10:18,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:10:18,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:10:18" (1/1) ... [2022-07-12 12:10:18,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d00b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:18, skipping insertion in model container [2022-07-12 12:10:18,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:10:18" (1/1) ... [2022-07-12 12:10:18,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:10:18,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:10:19,793 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[390732,390745] [2022-07-12 12:10:19,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:10:19,934 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 12:10:19,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:10:20,372 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[390732,390745] [2022-07-12 12:10:20,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:10:20,425 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:10:20,751 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[390732,390745] [2022-07-12 12:10:20,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:10:20,962 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:10:20,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:20 WrapperNode [2022-07-12 12:10:20,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:10:20,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:10:20,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:10:20,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:10:20,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:20" (1/1) ... [2022-07-12 12:10:21,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:20" (1/1) ... [2022-07-12 12:10:21,183 INFO L137 Inliner]: procedures = 243, calls = 4038, calls flagged for inlining = 60, calls inlined = 42, statements flattened = 4574 [2022-07-12 12:10:21,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:10:21,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:10:21,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:10:21,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:10:21,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:20" (1/1) ... [2022-07-12 12:10:21,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:20" (1/1) ... [2022-07-12 12:10:21,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:20" (1/1) ... [2022-07-12 12:10:21,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:20" (1/1) ... [2022-07-12 12:10:21,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:20" (1/1) ... [2022-07-12 12:10:21,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:20" (1/1) ... [2022-07-12 12:10:21,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:20" (1/1) ... [2022-07-12 12:10:21,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:10:21,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:10:21,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:10:21,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:10:21,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:20" (1/1) ... [2022-07-12 12:10:21,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:10:21,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:10:21,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 12:10:21,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 12:10:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-12 12:10:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-12 12:10:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-12 12:10:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-12 12:10:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 12:10:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-12 12:10:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-12 12:10:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 12:10:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 12:10:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 12:10:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:10:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 12:10:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:10:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc [2022-07-12 12:10:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc [2022-07-12 12:10:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-12 12:10:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-12 12:10:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:10:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:10:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury [2022-07-12 12:10:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury [2022-07-12 12:10:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-12 12:10:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-12 12:10:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:10:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:10:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-12 12:10:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-12 12:10:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-12 12:10:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-12 12:10:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-12 12:10:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-12 12:10:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-12 12:10:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-12 12:10:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-12 12:10:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-12 12:10:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-12 12:10:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-12 12:10:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-12 12:10:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-12 12:10:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-12 12:10:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-12 12:10:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:10:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-12 12:10:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-12 12:10:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-12 12:10:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-12 12:10:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:10:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-12 12:10:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-12 12:10:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_mh_release [2022-07-12 12:10:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_mh_release [2022-07-12 12:10:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_dvbt [2022-07-12 12:10:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_dvbt [2022-07-12 12:10:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 12:10:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 12:10:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:10:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 12:10:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:10:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 12:10:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 12:10:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 12:10:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 12:10:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-12 12:10:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-12 12:10:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_release [2022-07-12 12:10:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_release [2022-07-12 12:10:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mh_release [2022-07-12 12:10:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mh_release [2022-07-12 12:10:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_dvbt_release [2022-07-12 12:10:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_dvbt_release [2022-07-12 12:10:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-12 12:10:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-12 12:10:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_release [2022-07-12 12:10:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_release [2022-07-12 12:10:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-12 12:10:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-12 12:10:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-12 12:10:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-12 12:10:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mh [2022-07-12 12:10:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mh [2022-07-12 12:10:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-12 12:10:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-12 12:10:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-12 12:10:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-12 12:10:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-12 12:10:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-12 12:10:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-12 12:10:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-12 12:10:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-12 12:10:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-12 12:10:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-12 12:10:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-12 12:10:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-12 12:10:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-12 12:10:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-12 12:10:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-12 12:10:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 12:10:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 12:10:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-12 12:10:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-12 12:10:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 12:10:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 12:10:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-12 12:10:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-12 12:10:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-12 12:10:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-12 12:10:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 12:10:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 12:10:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:10:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:10:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-12 12:10:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-12 12:10:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:10:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:10:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-12 12:10:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-12 12:10:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-12 12:10:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-12 12:10:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:10:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 12:10:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 12:10:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 12:10:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-12 12:10:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-12 12:10:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-12 12:10:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-12 12:10:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-12 12:10:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-12 12:10:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury [2022-07-12 12:10:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury [2022-07-12 12:10:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-12 12:10:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-12 12:10:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-12 12:10:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-12 12:10:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-12 12:10:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-12 12:10:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-12 12:10:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-12 12:10:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-12 12:10:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-12 12:10:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-12 12:10:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-12 12:10:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 12:10:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_mh_release [2022-07-12 12:10:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_mh_release [2022-07-12 12:10:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:10:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:10:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-12 12:10:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-12 12:10:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-12 12:10:22,044 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:10:22,046 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:11:56,223 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:11:56,244 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:11:56,248 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 12:11:56,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:11:56 BoogieIcfgContainer [2022-07-12 12:11:56,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:11:56,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:11:56,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:11:56,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:11:56,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:10:18" (1/3) ... [2022-07-12 12:11:56,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d2aa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:11:56, skipping insertion in model container [2022-07-12 12:11:56,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:10:20" (2/3) ... [2022-07-12 12:11:56,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d2aa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:11:56, skipping insertion in model container [2022-07-12 12:11:56,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:11:56" (3/3) ... [2022-07-12 12:11:56,259 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-12 12:11:56,268 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:11:56,268 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:11:56,329 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:11:56,334 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@3d335e64, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@494bfe80 [2022-07-12 12:11:56,335 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:11:56,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 1716 states, 1293 states have (on average 1.5034802784222738) internal successors, (1944), 1328 states have internal predecessors, (1944), 361 states have call successors, (361), 60 states have call predecessors, (361), 60 states have return successors, (361), 341 states have call predecessors, (361), 361 states have call successors, (361) [2022-07-12 12:11:56,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-12 12:11:56,367 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:11:56,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:11:56,368 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:11:56,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:11:56,372 INFO L85 PathProgramCache]: Analyzing trace with hash -776624802, now seen corresponding path program 1 times [2022-07-12 12:11:56,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:11:56,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134447946] [2022-07-12 12:11:56,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:11:56,387 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:11:56,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:11:56,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:11:56,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 12:12:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:01,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 3921 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:12:01,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:12:02,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:12:02,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:12:02,237 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:12:02,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134447946] [2022-07-12 12:12:02,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [134447946] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:12:02,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:12:02,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:12:02,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094073394] [2022-07-12 12:12:02,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:12:02,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:12:02,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:12:02,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:12:02,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:02,263 INFO L87 Difference]: Start difference. First operand has 1716 states, 1293 states have (on average 1.5034802784222738) internal successors, (1944), 1328 states have internal predecessors, (1944), 361 states have call successors, (361), 60 states have call predecessors, (361), 60 states have return successors, (361), 341 states have call predecessors, (361), 361 states have call successors, (361) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:12:03,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:12:03,045 INFO L93 Difference]: Finished difference Result 5115 states and 7956 transitions. [2022-07-12 12:12:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:12:03,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-12 12:12:03,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:12:03,072 INFO L225 Difference]: With dead ends: 5115 [2022-07-12 12:12:03,072 INFO L226 Difference]: Without dead ends: 3398 [2022-07-12 12:12:03,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:03,091 INFO L413 NwaCegarLoop]: 3012 mSDtfsCounter, 2617 mSDsluCounter, 2644 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2617 SdHoareTripleChecker+Valid, 5656 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 12:12:03,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2617 Valid, 5656 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 12:12:03,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2022-07-12 12:12:03,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 3398. [2022-07-12 12:12:03,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3398 states, 2562 states have (on average 1.5031225604996097) internal successors, (3851), 2624 states have internal predecessors, (3851), 717 states have call successors, (717), 119 states have call predecessors, (717), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-12 12:12:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 3398 states and 5280 transitions. [2022-07-12 12:12:03,241 INFO L78 Accepts]: Start accepts. Automaton has 3398 states and 5280 transitions. Word has length 22 [2022-07-12 12:12:03,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:12:03,241 INFO L495 AbstractCegarLoop]: Abstraction has 3398 states and 5280 transitions. [2022-07-12 12:12:03,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:12:03,242 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 5280 transitions. [2022-07-12 12:12:03,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-12 12:12:03,245 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:12:03,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:12:03,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 12:12:03,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:12:03,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:12:03,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:12:03,447 INFO L85 PathProgramCache]: Analyzing trace with hash -521233759, now seen corresponding path program 1 times [2022-07-12 12:12:03,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:12:03,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875656256] [2022-07-12 12:12:03,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:12:03,450 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:12:03,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:12:03,451 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:12:03,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 12:12:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:08,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 3933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:12:08,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:12:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:12:09,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:12:09,794 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:12:09,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875656256] [2022-07-12 12:12:09,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875656256] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:12:09,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:12:09,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:12:09,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896560685] [2022-07-12 12:12:09,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:12:09,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:12:09,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:12:09,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:12:09,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:09,796 INFO L87 Difference]: Start difference. First operand 3398 states and 5280 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:12:10,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:12:10,430 INFO L93 Difference]: Finished difference Result 3400 states and 5281 transitions. [2022-07-12 12:12:10,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:12:10,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-07-12 12:12:10,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:12:10,460 INFO L225 Difference]: With dead ends: 3400 [2022-07-12 12:12:10,461 INFO L226 Difference]: Without dead ends: 3397 [2022-07-12 12:12:10,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:10,467 INFO L413 NwaCegarLoop]: 2652 mSDtfsCounter, 2632 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2632 SdHoareTripleChecker+Valid, 2652 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 12:12:10,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 2652 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 12:12:10,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2022-07-12 12:12:10,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3397. [2022-07-12 12:12:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3397 states, 2562 states have (on average 1.5027322404371584) internal successors, (3850), 2623 states have internal predecessors, (3850), 716 states have call successors, (716), 119 states have call predecessors, (716), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-12 12:12:10,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 5278 transitions. [2022-07-12 12:12:10,627 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 5278 transitions. Word has length 24 [2022-07-12 12:12:10,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:12:10,628 INFO L495 AbstractCegarLoop]: Abstraction has 3397 states and 5278 transitions. [2022-07-12 12:12:10,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:12:10,628 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 5278 transitions. [2022-07-12 12:12:10,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-12 12:12:10,633 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:12:10,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:12:10,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 12:12:10,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:12:10,848 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:12:10,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:12:10,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1020825823, now seen corresponding path program 1 times [2022-07-12 12:12:10,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:12:10,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1758504953] [2022-07-12 12:12:10,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:12:10,855 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:12:10,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:12:10,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:12:10,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 12:12:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:17,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 3934 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:12:17,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:12:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:12:18,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:12:18,699 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:12:18,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1758504953] [2022-07-12 12:12:18,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1758504953] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:12:18,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:12:18,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:12:18,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760874287] [2022-07-12 12:12:18,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:12:18,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:12:18,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:12:18,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:12:18,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:18,701 INFO L87 Difference]: Start difference. First operand 3397 states and 5278 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:12:19,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:12:19,313 INFO L93 Difference]: Finished difference Result 3399 states and 5279 transitions. [2022-07-12 12:12:19,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:12:19,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-07-12 12:12:19,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:12:19,342 INFO L225 Difference]: With dead ends: 3399 [2022-07-12 12:12:19,343 INFO L226 Difference]: Without dead ends: 3396 [2022-07-12 12:12:19,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:19,351 INFO L413 NwaCegarLoop]: 2650 mSDtfsCounter, 2629 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2629 SdHoareTripleChecker+Valid, 2650 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:12:19,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 2650 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 12:12:19,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3396 states. [2022-07-12 12:12:19,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3396 to 3396. [2022-07-12 12:12:19,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3396 states, 2562 states have (on average 1.5023419203747073) internal successors, (3849), 2622 states have internal predecessors, (3849), 715 states have call successors, (715), 119 states have call predecessors, (715), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-12 12:12:19,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3396 states to 3396 states and 5276 transitions. [2022-07-12 12:12:19,542 INFO L78 Accepts]: Start accepts. Automaton has 3396 states and 5276 transitions. Word has length 25 [2022-07-12 12:12:19,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:12:19,543 INFO L495 AbstractCegarLoop]: Abstraction has 3396 states and 5276 transitions. [2022-07-12 12:12:19,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:12:19,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3396 states and 5276 transitions. [2022-07-12 12:12:19,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-12 12:12:19,548 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:12:19,548 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:12:19,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 12:12:19,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:12:19,765 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:12:19,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:12:19,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1580037476, now seen corresponding path program 1 times [2022-07-12 12:12:19,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:12:19,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407514442] [2022-07-12 12:12:19,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:12:19,770 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:12:19,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:12:19,776 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:12:19,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 12:12:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:26,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 3935 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:12:26,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:12:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:12:27,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:12:27,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:12:27,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407514442] [2022-07-12 12:12:27,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407514442] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:12:27,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:12:27,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:12:27,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909021169] [2022-07-12 12:12:27,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:12:27,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:12:27,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:12:27,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:12:27,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:27,480 INFO L87 Difference]: Start difference. First operand 3396 states and 5276 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:12:28,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:12:28,071 INFO L93 Difference]: Finished difference Result 3398 states and 5277 transitions. [2022-07-12 12:12:28,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:12:28,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-07-12 12:12:28,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:12:28,090 INFO L225 Difference]: With dead ends: 3398 [2022-07-12 12:12:28,091 INFO L226 Difference]: Without dead ends: 3395 [2022-07-12 12:12:28,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:28,096 INFO L413 NwaCegarLoop]: 2648 mSDtfsCounter, 2626 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2626 SdHoareTripleChecker+Valid, 2648 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:12:28,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 2648 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 12:12:28,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2022-07-12 12:12:28,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 3395. [2022-07-12 12:12:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3395 states, 2562 states have (on average 1.501951600312256) internal successors, (3848), 2621 states have internal predecessors, (3848), 714 states have call successors, (714), 119 states have call predecessors, (714), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-12 12:12:28,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 3395 states and 5274 transitions. [2022-07-12 12:12:28,208 INFO L78 Accepts]: Start accepts. Automaton has 3395 states and 5274 transitions. Word has length 26 [2022-07-12 12:12:28,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:12:28,208 INFO L495 AbstractCegarLoop]: Abstraction has 3395 states and 5274 transitions. [2022-07-12 12:12:28,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:12:28,209 INFO L276 IsEmpty]: Start isEmpty. Operand 3395 states and 5274 transitions. [2022-07-12 12:12:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-12 12:12:28,213 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:12:28,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:12:28,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 12:12:28,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:12:28,432 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:12:28,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:12:28,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1735734402, now seen corresponding path program 1 times [2022-07-12 12:12:28,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:12:28,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000990650] [2022-07-12 12:12:28,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:12:28,435 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:12:28,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:12:28,437 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:12:28,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 12:12:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:35,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 3936 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:12:35,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:12:36,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:12:36,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:12:36,091 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:12:36,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000990650] [2022-07-12 12:12:36,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000990650] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:12:36,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:12:36,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:12:36,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968464879] [2022-07-12 12:12:36,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:12:36,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:12:36,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:12:36,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:12:36,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:36,093 INFO L87 Difference]: Start difference. First operand 3395 states and 5274 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:12:36,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:12:36,638 INFO L93 Difference]: Finished difference Result 3397 states and 5275 transitions. [2022-07-12 12:12:36,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:12:36,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-07-12 12:12:36,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:12:36,655 INFO L225 Difference]: With dead ends: 3397 [2022-07-12 12:12:36,656 INFO L226 Difference]: Without dead ends: 3394 [2022-07-12 12:12:36,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:36,660 INFO L413 NwaCegarLoop]: 2646 mSDtfsCounter, 2623 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2623 SdHoareTripleChecker+Valid, 2646 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:12:36,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2623 Valid, 2646 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 12:12:36,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2022-07-12 12:12:36,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 3394. [2022-07-12 12:12:36,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3394 states, 2562 states have (on average 1.5015612802498048) internal successors, (3847), 2620 states have internal predecessors, (3847), 713 states have call successors, (713), 119 states have call predecessors, (713), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-12 12:12:36,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 5272 transitions. [2022-07-12 12:12:36,775 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 5272 transitions. Word has length 27 [2022-07-12 12:12:36,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:12:36,776 INFO L495 AbstractCegarLoop]: Abstraction has 3394 states and 5272 transitions. [2022-07-12 12:12:36,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:12:36,776 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 5272 transitions. [2022-07-12 12:12:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-12 12:12:36,779 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:12:36,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:12:36,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 12:12:37,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:12:37,008 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:12:37,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:12:37,008 INFO L85 PathProgramCache]: Analyzing trace with hash -2027590617, now seen corresponding path program 1 times [2022-07-12 12:12:37,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:12:37,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206489325] [2022-07-12 12:12:37,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:12:37,012 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:12:37,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:12:37,014 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 12:12:37,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 12:12:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:42,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 3937 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:12:42,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:12:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:12:43,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:12:43,832 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:12:43,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [206489325] [2022-07-12 12:12:43,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [206489325] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:12:43,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:12:43,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:12:43,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388947789] [2022-07-12 12:12:43,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:12:43,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:12:43,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:12:43,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:12:43,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:43,834 INFO L87 Difference]: Start difference. First operand 3394 states and 5272 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:12:44,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:12:44,215 INFO L93 Difference]: Finished difference Result 3394 states and 5272 transitions. [2022-07-12 12:12:44,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:12:44,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-07-12 12:12:44,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:12:44,281 INFO L225 Difference]: With dead ends: 3394 [2022-07-12 12:12:44,281 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 12:12:44,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:12:44,293 INFO L413 NwaCegarLoop]: 2644 mSDtfsCounter, 2619 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2619 SdHoareTripleChecker+Valid, 2644 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 12:12:44,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2619 Valid, 2644 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 12:12:44,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 12:12:44,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 12:12:44,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:12:44,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 12:12:44,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-07-12 12:12:44,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:12:44,294 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 12:12:44,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:12:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 12:12:44,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 12:12:44,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 12:12:44,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 12:12:44,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:12:44,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.