./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 eb692b52 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-?-eb692b5 [2022-07-19 23:12:39,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:12:39,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:12:39,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:12:39,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:12:39,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:12:39,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:12:39,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:12:39,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:12:39,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:12:39,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:12:39,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:12:39,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:12:39,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:12:39,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:12:39,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:12:39,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:12:39,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:12:39,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:12:39,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:12:39,992 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:12:39,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:12:39,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:12:39,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:12:39,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:12:40,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:12:40,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:12:40,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:12:40,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:12:40,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:12:40,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:12:40,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:12:40,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:12:40,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:12:40,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:12:40,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:12:40,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:12:40,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:12:40,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:12:40,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:12:40,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:12:40,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:12:40,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:12:40,035 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:12:40,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:12:40,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:12:40,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:12:40,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:12:40,036 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:12:40,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:12:40,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:12:40,037 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:12:40,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:12:40,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:12:40,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:12:40,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:12:40,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:12:40,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:12:40,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:12:40,038 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:12:40,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:12:40,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:12:40,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:12:40,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:12:40,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:12:40,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:12:40,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:12:40,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:12:40,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:12:40,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:12:40,042 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:12:40,043 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:12:40,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:12:40,043 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de [2022-07-19 23:12:40,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:12:40,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:12:40,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:12:40,304 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:12:40,305 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:12:40,306 INFO L432 ainManager$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 [2022-07-19 23:12:40,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac724ef3/96bafed18f6b4112a3f25ad980fa617b/FLAGa4c48b176 [2022-07-19 23:12:41,139 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:12:41,139 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 [2022-07-19 23:12:41,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac724ef3/96bafed18f6b4112a3f25ad980fa617b/FLAGa4c48b176 [2022-07-19 23:12:41,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac724ef3/96bafed18f6b4112a3f25ad980fa617b [2022-07-19 23:12:41,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:12:41,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:12:41,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:12:41,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:12:41,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:12:41,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:12:41" (1/1) ... [2022-07-19 23:12:41,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fdec69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:41, skipping insertion in model container [2022-07-19 23:12:41,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:12:41" (1/1) ... [2022-07-19 23:12:41,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:12:41,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:12:43,320 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] [2022-07-19 23:12:43,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:12:43,477 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:12:43,834 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) [2022-07-19 23:12:43,839 INFO L158 Benchmark]: Toolchain (without parser) took 2483.76ms. Allocated memory was 100.7MB in the beginning and 216.0MB in the end (delta: 115.3MB). Free memory was 71.2MB in the beginning and 137.1MB in the end (delta: -65.9MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2022-07-19 23:12:43,840 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:12:43,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2481.89ms. Allocated memory was 100.7MB in the beginning and 216.0MB in the end (delta: 115.3MB). Free memory was 71.2MB in the beginning and 137.1MB in the end (delta: -65.9MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2022-07-19 23:12:43,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2481.89ms. Allocated memory was 100.7MB in the beginning and 216.0MB in the end (delta: 115.3MB). Free memory was 71.2MB in the beginning and 137.1MB in the end (delta: -65.9MB). Peak memory consumption was 100.5MB. 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-?-eb692b5 [2022-07-19 23:12:45,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:12:45,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:12:45,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:12:45,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:12:45,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:12:45,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:12:45,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:12:45,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:12:45,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:12:45,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:12:45,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:12:45,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:12:45,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:12:45,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:12:45,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:12:45,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:12:45,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:12:45,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:12:45,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:12:45,524 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:12:45,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:12:45,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:12:45,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:12:45,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:12:45,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:12:45,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:12:45,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:12:45,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:12:45,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:12:45,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:12:45,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:12:45,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:12:45,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:12:45,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:12:45,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:12:45,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:12:45,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:12:45,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:12:45,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:12:45,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:12:45,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:12:45,539 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 23:12:45,558 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:12:45,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:12:45,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:12:45,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:12:45,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:12:45,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:12:45,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:12:45,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:12:45,561 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:12:45,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:12:45,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:12:45,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:12:45,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:12:45,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:12:45,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 23:12:45,562 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 23:12:45,563 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 23:12:45,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:12:45,563 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:12:45,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:12:45,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:12:45,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:12:45,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:12:45,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:12:45,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:12:45,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:12:45,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:12:45,565 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 23:12:45,565 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 23:12:45,565 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:12:45,565 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:12:45,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:12:45,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 23:12:45,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de [2022-07-19 23:12:45,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:12:45,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:12:45,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:12:45,855 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:12:45,856 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:12:45,857 INFO L432 ainManager$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 [2022-07-19 23:12:45,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9363bc2f2/b1ff6cc16dd0469397512f6a5782d6f8/FLAGd11e68fe2 [2022-07-19 23:12:46,697 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:12:46,698 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 [2022-07-19 23:12:46,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9363bc2f2/b1ff6cc16dd0469397512f6a5782d6f8/FLAGd11e68fe2 [2022-07-19 23:12:46,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9363bc2f2/b1ff6cc16dd0469397512f6a5782d6f8 [2022-07-19 23:12:46,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:12:46,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:12:46,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:12:46,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:12:46,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:12:46,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:12:46" (1/1) ... [2022-07-19 23:12:46,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d95395b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:46, skipping insertion in model container [2022-07-19 23:12:46,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:12:46" (1/1) ... [2022-07-19 23:12:46,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:12:47,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:12:48,780 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] [2022-07-19 23:12:48,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:12:48,929 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 23:12:48,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:12:49,309 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] [2022-07-19 23:12:49,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:12:49,351 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:12:49,737 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] [2022-07-19 23:12:49,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:12:50,037 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:12:50,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:50 WrapperNode [2022-07-19 23:12:50,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:12:50,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:12:50,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:12:50,039 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:12:50,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:50" (1/1) ... [2022-07-19 23:12:50,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:50" (1/1) ... [2022-07-19 23:12:50,277 INFO L137 Inliner]: procedures = 243, calls = 4038, calls flagged for inlining = 60, calls inlined = 42, statements flattened = 4574 [2022-07-19 23:12:50,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:12:50,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:12:50,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:12:50,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:12:50,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:50" (1/1) ... [2022-07-19 23:12:50,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:50" (1/1) ... [2022-07-19 23:12:50,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:50" (1/1) ... [2022-07-19 23:12:50,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:50" (1/1) ... [2022-07-19 23:12:50,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:50" (1/1) ... [2022-07-19 23:12:50,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:50" (1/1) ... [2022-07-19 23:12:50,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:50" (1/1) ... [2022-07-19 23:12:50,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:12:50,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:12:50,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:12:50,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:12:50,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:50" (1/1) ... [2022-07-19 23:12:50,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:12:50,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:12:50,664 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) [2022-07-19 23:12:50,677 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 [2022-07-19 23:12:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-19 23:12:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-19 23:12:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-19 23:12:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-19 23:12:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 23:12:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-19 23:12:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-19 23:12:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-19 23:12:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-19 23:12:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 23:12:50,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:12:50,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 23:12:50,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:12:50,705 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc [2022-07-19 23:12:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc [2022-07-19 23:12:50,705 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-19 23:12:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-19 23:12:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:12:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:12:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury [2022-07-19 23:12:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury [2022-07-19 23:12:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-19 23:12:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-19 23:12:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:12:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:12:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-19 23:12:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-19 23:12:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-19 23:12:50,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-19 23:12:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-19 23:12:50,708 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-19 23:12:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-19 23:12:50,708 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-19 23:12:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-19 23:12:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-19 23:12:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-19 23:12:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-19 23:12:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-19 23:12:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-19 23:12:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-19 23:12:50,710 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-19 23:12:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:12:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-19 23:12:50,710 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-19 23:12:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-19 23:12:50,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-19 23:12:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:12:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-19 23:12:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-19 23:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_mh_release [2022-07-19 23:12:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_mh_release [2022-07-19 23:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_dvbt [2022-07-19 23:12:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_dvbt [2022-07-19 23:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 23:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 23:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 23:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-19 23:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 23:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 23:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 23:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-19 23:12:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-19 23:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_release [2022-07-19 23:12:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_release [2022-07-19 23:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mh_release [2022-07-19 23:12:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mh_release [2022-07-19 23:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_dvbt_release [2022-07-19 23:12:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_dvbt_release [2022-07-19 23:12:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-19 23:12:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-19 23:12:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_release [2022-07-19 23:12:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_release [2022-07-19 23:12:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-19 23:12:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-19 23:12:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-19 23:12:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-19 23:12:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mh [2022-07-19 23:12:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mh [2022-07-19 23:12:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-19 23:12:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-19 23:12:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-19 23:12:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-19 23:12:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-19 23:12:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-19 23:12:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-19 23:12:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-19 23:12:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-19 23:12:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-19 23:12:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-19 23:12:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-19 23:12:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-19 23:12:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-19 23:12:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-19 23:12:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-19 23:12:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 23:12:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 23:12:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-19 23:12:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-19 23:12:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 23:12:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 23:12:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-19 23:12:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-19 23:12:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-19 23:12:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-19 23:12:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-19 23:12:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-19 23:12:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:12:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:12:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-19 23:12:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-19 23:12:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:12:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:12:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-19 23:12:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-19 23:12:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-19 23:12:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-19 23:12:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:12:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 23:12:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 23:12:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 23:12:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-19 23:12:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-19 23:12:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-19 23:12:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-19 23:12:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-19 23:12:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-19 23:12:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury [2022-07-19 23:12:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury [2022-07-19 23:12:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-19 23:12:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-19 23:12:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-19 23:12:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-19 23:12:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-19 23:12:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-19 23:12:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-19 23:12:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-19 23:12:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-19 23:12:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-19 23:12:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-19 23:12:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-19 23:12:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 23:12:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_mh_release [2022-07-19 23:12:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_mh_release [2022-07-19 23:12:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:12:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:12:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-19 23:12:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-19 23:12:50,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-19 23:12:51,443 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:12:51,446 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:14:27,639 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:14:27,655 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:14:27,655 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:14:27,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:14:27 BoogieIcfgContainer [2022-07-19 23:14:27,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:14:27,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:14:27,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:14:27,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:14:27,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:12:46" (1/3) ... [2022-07-19 23:14:27,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42abfde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:14:27, skipping insertion in model container [2022-07-19 23:14:27,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:50" (2/3) ... [2022-07-19 23:14:27,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42abfde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:14:27, skipping insertion in model container [2022-07-19 23:14:27,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:14:27" (3/3) ... [2022-07-19 23:14:27,665 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 [2022-07-19 23:14:27,676 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:14:27,677 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:14:27,768 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:14:27,775 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@4a0f74d4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1f9214d0 [2022-07-19 23:14:27,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:14:27,786 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) [2022-07-19 23:14:27,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-19 23:14:27,812 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:14:27,813 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] [2022-07-19 23:14:27,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:14:27,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:14:27,818 INFO L85 PathProgramCache]: Analyzing trace with hash -776624802, now seen corresponding path program 1 times [2022-07-19 23:14:27,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:14:27,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260893292] [2022-07-19 23:14:27,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:14:27,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:14:27,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:14:27,840 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) [2022-07-19 23:14:27,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 23:14:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:33,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 3921 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:14:33,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:14:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:14:33,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:14:33,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:14:33,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260893292] [2022-07-19 23:14:33,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260893292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:14:33,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:14:33,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:14:33,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366603530] [2022-07-19 23:14:33,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:14:33,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:14:33,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:14:33,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:14:33,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:14:33,748 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) [2022-07-19 23:14:34,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:14:34,609 INFO L93 Difference]: Finished difference Result 5115 states and 7956 transitions. [2022-07-19 23:14:34,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:14:34,612 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 [2022-07-19 23:14:34,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:14:34,654 INFO L225 Difference]: With dead ends: 5115 [2022-07-19 23:14:34,655 INFO L226 Difference]: Without dead ends: 3398 [2022-07-19 23:14:34,673 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 [2022-07-19 23:14:34,676 INFO L413 NwaCegarLoop]: 3012 mSDtfsCounter, 2617 mSDsluCounter, 2644 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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 [2022-07-19 23:14:34,678 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] [2022-07-19 23:14:34,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2022-07-19 23:14:34,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 3398. [2022-07-19 23:14:34,877 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) [2022-07-19 23:14:34,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 3398 states and 5280 transitions. [2022-07-19 23:14:34,905 INFO L78 Accepts]: Start accepts. Automaton has 3398 states and 5280 transitions. Word has length 22 [2022-07-19 23:14:34,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:14:34,906 INFO L495 AbstractCegarLoop]: Abstraction has 3398 states and 5280 transitions. [2022-07-19 23:14:34,906 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) [2022-07-19 23:14:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 5280 transitions. [2022-07-19 23:14:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-19 23:14:34,912 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:14:34,913 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] [2022-07-19 23:14:34,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-19 23:14:35,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:14:35,140 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:14:35,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:14:35,140 INFO L85 PathProgramCache]: Analyzing trace with hash -521233759, now seen corresponding path program 1 times [2022-07-19 23:14:35,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:14:35,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224057042] [2022-07-19 23:14:35,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:14:35,146 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:14:35,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:14:35,148 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) [2022-07-19 23:14:35,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 23:14:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:40,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 3933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:14:40,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:14:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:14:41,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:14:41,138 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:14:41,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224057042] [2022-07-19 23:14:41,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224057042] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:14:41,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:14:41,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:14:41,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911732738] [2022-07-19 23:14:41,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:14:41,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:14:41,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:14:41,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:14:41,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:14:41,141 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) [2022-07-19 23:14:41,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:14:41,654 INFO L93 Difference]: Finished difference Result 3400 states and 5281 transitions. [2022-07-19 23:14:41,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:14:41,654 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 [2022-07-19 23:14:41,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:14:41,673 INFO L225 Difference]: With dead ends: 3400 [2022-07-19 23:14:41,674 INFO L226 Difference]: Without dead ends: 3397 [2022-07-19 23:14:41,676 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 [2022-07-19 23:14:41,677 INFO L413 NwaCegarLoop]: 2652 mSDtfsCounter, 2632 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:14:41,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 2652 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 23:14:41,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2022-07-19 23:14:41,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3397. [2022-07-19 23:14:41,848 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) [2022-07-19 23:14:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 5278 transitions. [2022-07-19 23:14:41,872 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 5278 transitions. Word has length 24 [2022-07-19 23:14:41,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:14:41,872 INFO L495 AbstractCegarLoop]: Abstraction has 3397 states and 5278 transitions. [2022-07-19 23:14:41,872 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) [2022-07-19 23:14:41,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 5278 transitions. [2022-07-19 23:14:41,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-19 23:14:41,876 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:14:41,876 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] [2022-07-19 23:14:41,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 23:14:42,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:14:42,096 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:14:42,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:14:42,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1020825823, now seen corresponding path program 1 times [2022-07-19 23:14:42,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:14:42,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403000156] [2022-07-19 23:14:42,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:14:42,101 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:14:42,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:14:42,103 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) [2022-07-19 23:14:42,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 23:14:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:47,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 3934 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:14:47,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:14:48,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:14:48,045 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:14:48,045 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:14:48,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403000156] [2022-07-19 23:14:48,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [403000156] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:14:48,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:14:48,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:14:48,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750411154] [2022-07-19 23:14:48,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:14:48,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:14:48,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:14:48,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:14:48,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:14:48,047 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) [2022-07-19 23:14:48,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:14:48,559 INFO L93 Difference]: Finished difference Result 3399 states and 5279 transitions. [2022-07-19 23:14:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:14:48,560 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 [2022-07-19 23:14:48,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:14:48,579 INFO L225 Difference]: With dead ends: 3399 [2022-07-19 23:14:48,580 INFO L226 Difference]: Without dead ends: 3396 [2022-07-19 23:14:48,582 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 [2022-07-19 23:14:48,584 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:14:48,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 2650 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 23:14:48,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3396 states. [2022-07-19 23:14:48,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3396 to 3396. [2022-07-19 23:14:48,686 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) [2022-07-19 23:14:48,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3396 states to 3396 states and 5276 transitions. [2022-07-19 23:14:48,708 INFO L78 Accepts]: Start accepts. Automaton has 3396 states and 5276 transitions. Word has length 25 [2022-07-19 23:14:48,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:14:48,709 INFO L495 AbstractCegarLoop]: Abstraction has 3396 states and 5276 transitions. [2022-07-19 23:14:48,709 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) [2022-07-19 23:14:48,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3396 states and 5276 transitions. [2022-07-19 23:14:48,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-19 23:14:48,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:14:48,713 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] [2022-07-19 23:14:48,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 23:14:48,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:14:48,935 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:14:48,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:14:48,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1580037476, now seen corresponding path program 1 times [2022-07-19 23:14:48,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:14:48,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166331933] [2022-07-19 23:14:48,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:14:48,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:14:48,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:14:48,942 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) [2022-07-19 23:14:48,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 23:14:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:54,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 3935 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:14:54,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:14:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:14:54,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:14:54,993 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:14:54,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166331933] [2022-07-19 23:14:54,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [166331933] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:14:54,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:14:54,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:14:54,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853074074] [2022-07-19 23:14:54,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:14:54,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:14:54,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:14:54,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:14:54,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:14:54,995 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) [2022-07-19 23:14:55,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:14:55,562 INFO L93 Difference]: Finished difference Result 3398 states and 5277 transitions. [2022-07-19 23:14:55,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:14:55,563 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 [2022-07-19 23:14:55,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:14:55,580 INFO L225 Difference]: With dead ends: 3398 [2022-07-19 23:14:55,580 INFO L226 Difference]: Without dead ends: 3395 [2022-07-19 23:14:55,582 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 [2022-07-19 23:14:55,582 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:14:55,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 2648 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 23:14:55,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2022-07-19 23:14:55,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 3395. [2022-07-19 23:14:55,680 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) [2022-07-19 23:14:55,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 3395 states and 5274 transitions. [2022-07-19 23:14:55,698 INFO L78 Accepts]: Start accepts. Automaton has 3395 states and 5274 transitions. Word has length 26 [2022-07-19 23:14:55,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:14:55,698 INFO L495 AbstractCegarLoop]: Abstraction has 3395 states and 5274 transitions. [2022-07-19 23:14:55,698 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) [2022-07-19 23:14:55,699 INFO L276 IsEmpty]: Start isEmpty. Operand 3395 states and 5274 transitions. [2022-07-19 23:14:55,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-19 23:14:55,702 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:14:55,702 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] [2022-07-19 23:14:55,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 23:14:55,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:14:55,923 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:14:55,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:14:55,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1735734402, now seen corresponding path program 1 times [2022-07-19 23:14:55,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:14:55,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874554587] [2022-07-19 23:14:55,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:14:55,928 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:14:55,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:14:55,929 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) [2022-07-19 23:14:55,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 23:15:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:15:00,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 3936 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:15:00,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:15:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:15:01,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:15:01,807 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:15:01,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874554587] [2022-07-19 23:15:01,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [874554587] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:15:01,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:15:01,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:15:01,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101493838] [2022-07-19 23:15:01,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:15:01,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:15:01,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:15:01,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:15:01,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:15:01,809 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) [2022-07-19 23:15:02,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:15:02,330 INFO L93 Difference]: Finished difference Result 3397 states and 5275 transitions. [2022-07-19 23:15:02,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:15:02,330 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 [2022-07-19 23:15:02,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:15:02,349 INFO L225 Difference]: With dead ends: 3397 [2022-07-19 23:15:02,349 INFO L226 Difference]: Without dead ends: 3394 [2022-07-19 23:15:02,351 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 [2022-07-19 23:15:02,352 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:15:02,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2623 Valid, 2646 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 23:15:02,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2022-07-19 23:15:02,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 3394. [2022-07-19 23:15:02,471 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) [2022-07-19 23:15:02,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 5272 transitions. [2022-07-19 23:15:02,490 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 5272 transitions. Word has length 27 [2022-07-19 23:15:02,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:15:02,490 INFO L495 AbstractCegarLoop]: Abstraction has 3394 states and 5272 transitions. [2022-07-19 23:15:02,491 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) [2022-07-19 23:15:02,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 5272 transitions. [2022-07-19 23:15:02,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-19 23:15:02,495 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:15:02,495 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] [2022-07-19 23:15:02,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-19 23:15:02,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:15:02,715 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:15:02,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:15:02,716 INFO L85 PathProgramCache]: Analyzing trace with hash -2027590617, now seen corresponding path program 1 times [2022-07-19 23:15:02,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:15:02,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102538396] [2022-07-19 23:15:02,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:15:02,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:15:02,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:15:02,723 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) [2022-07-19 23:15:02,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-19 23:15:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:15:07,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 3937 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:15:07,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:15:08,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:15:08,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:15:08,721 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:15:08,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102538396] [2022-07-19 23:15:08,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102538396] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:15:08,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:15:08,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:15:08,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673783884] [2022-07-19 23:15:08,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:15:08,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:15:08,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:15:08,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:15:08,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:15:08,724 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) [2022-07-19 23:15:09,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:15:09,143 INFO L93 Difference]: Finished difference Result 3394 states and 5272 transitions. [2022-07-19 23:15:09,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:15:09,217 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 [2022-07-19 23:15:09,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:15:09,217 INFO L225 Difference]: With dead ends: 3394 [2022-07-19 23:15:09,217 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 23:15:09,233 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 [2022-07-19 23:15:09,234 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 [2022-07-19 23:15:09,235 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] [2022-07-19 23:15:09,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 23:15:09,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 23:15:09,236 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) [2022-07-19 23:15:09,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 23:15:09,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-07-19 23:15:09,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:15:09,237 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 23:15:09,237 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) [2022-07-19 23:15:09,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 23:15:09,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 23:15:09,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 23:15:09,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-19 23:15:09,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:15:09,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.