./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:46:57,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:46:57,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:46:57,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:46:57,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:46:57,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:46:57,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:46:57,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:46:57,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:46:57,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:46:57,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:46:57,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:46:57,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:46:57,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:46:57,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:46:57,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:46:57,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:46:57,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:46:57,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:46:57,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:46:57,951 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:46:57,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:46:57,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:46:57,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:46:57,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:46:57,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:46:57,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:46:57,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:46:57,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:46:57,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:46:57,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:46:57,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:46:57,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:46:57,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:46:57,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:46:57,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:46:57,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:46:57,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:46:57,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:46:57,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:46:57,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:46:57,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:46:57,971 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:46:57,988 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:46:57,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:46:57,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:46:57,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:46:57,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:46:57,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:46:57,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:46:57,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:46:57,990 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:46:57,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:46:57,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:46:57,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:46:57,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:46:57,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:46:57,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:46:57,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:46:57,992 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:46:57,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:46:57,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:46:57,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:46:57,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:46:57,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:46:57,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:46:57,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:46:57,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:46:57,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:46:57,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:46:57,994 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:46:57,994 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:46:57,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:46:57,995 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 [2022-07-23 02:46:58,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:46:58,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:46:58,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:46:58,254 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:46:58,255 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:46:58,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-23 02:46:58,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0b9c70ac/f6df948b3f4b4c9c80658c85b2b9f599/FLAGec9d5d59e [2022-07-23 02:46:59,056 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:46:59,057 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-23 02:46:59,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0b9c70ac/f6df948b3f4b4c9c80658c85b2b9f599/FLAGec9d5d59e [2022-07-23 02:46:59,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0b9c70ac/f6df948b3f4b4c9c80658c85b2b9f599 [2022-07-23 02:46:59,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:46:59,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:46:59,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:46:59,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:46:59,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:46:59,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:46:59" (1/1) ... [2022-07-23 02:46:59,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3aec51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:46:59, skipping insertion in model container [2022-07-23 02:46:59,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:46:59" (1/1) ... [2022-07-23 02:46:59,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:46:59,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:47:02,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2022-07-23 02:47:02,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2022-07-23 02:47:02,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2022-07-23 02:47:02,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2022-07-23 02:47:02,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:47:02,786 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:47:03,012 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: reg = reg & 4043309055U [10107] 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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 02:47:03,021 INFO L158 Benchmark]: Toolchain (without parser) took 3670.89ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 84.9MB in the beginning and 75.1MB in the end (delta: 9.8MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2022-07-23 02:47:03,022 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory was 60.6MB in the beginning and 60.6MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 02:47:03,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3668.78ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 84.9MB in the beginning and 75.1MB in the end (delta: 9.8MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2022-07-23 02:47:03,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory was 60.6MB in the beginning and 60.6MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3668.78ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 84.9MB in the beginning and 75.1MB in the end (delta: 9.8MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10107] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10107]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:47:04,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:47:04,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:47:04,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:47:04,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:47:04,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:47:04,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:47:04,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:47:04,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:47:05,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:47:05,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:47:05,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:47:05,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:47:05,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:47:05,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:47:05,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:47:05,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:47:05,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:47:05,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:47:05,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:47:05,017 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:47:05,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:47:05,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:47:05,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:47:05,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:47:05,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:47:05,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:47:05,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:47:05,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:47:05,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:47:05,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:47:05,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:47:05,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:47:05,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:47:05,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:47:05,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:47:05,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:47:05,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:47:05,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:47:05,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:47:05,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:47:05,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:47:05,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 02:47:05,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:47:05,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:47:05,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:47:05,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:47:05,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:47:05,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:47:05,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:47:05,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:47:05,090 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:47:05,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:47:05,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:47:05,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:47:05,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:47:05,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:47:05,091 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 02:47:05,092 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 02:47:05,092 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 02:47:05,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:47:05,092 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:47:05,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:47:05,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:47:05,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:47:05,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:47:05,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:47:05,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:47:05,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:47:05,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:47:05,094 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 02:47:05,094 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 02:47:05,094 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:47:05,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:47:05,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:47:05,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 02:47:05,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 [2022-07-23 02:47:05,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:47:05,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:47:05,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:47:05,473 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:47:05,473 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:47:05,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-23 02:47:05,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3f039a5/77ae75d0b63b42d3a303d229d321c0dd/FLAG754f84c87 [2022-07-23 02:47:06,213 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:47:06,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-23 02:47:06,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3f039a5/77ae75d0b63b42d3a303d229d321c0dd/FLAG754f84c87 [2022-07-23 02:47:06,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3f039a5/77ae75d0b63b42d3a303d229d321c0dd [2022-07-23 02:47:06,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:47:06,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:47:06,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:47:06,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:47:06,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:47:06,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:47:06" (1/1) ... [2022-07-23 02:47:06,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4716b22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:06, skipping insertion in model container [2022-07-23 02:47:06,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:47:06" (1/1) ... [2022-07-23 02:47:06,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:47:06,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:47:10,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2022-07-23 02:47:10,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2022-07-23 02:47:10,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2022-07-23 02:47:10,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2022-07-23 02:47:10,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:47:10,570 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 02:47:10,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:47:10,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2022-07-23 02:47:10,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2022-07-23 02:47:10,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2022-07-23 02:47:10,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2022-07-23 02:47:10,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:47:10,929 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:47:11,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2022-07-23 02:47:11,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2022-07-23 02:47:11,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2022-07-23 02:47:11,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2022-07-23 02:47:11,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:47:11,521 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:47:11,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:11 WrapperNode [2022-07-23 02:47:11,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:47:11,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:47:11,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:47:11,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:47:11,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:11" (1/1) ... [2022-07-23 02:47:11,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:11" (1/1) ... [2022-07-23 02:47:11,753 INFO L137 Inliner]: procedures = 549, calls = 2700, calls flagged for inlining = 309, calls inlined = 257, statements flattened = 5791 [2022-07-23 02:47:11,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:47:11,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:47:11,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:47:11,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:47:11,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:11" (1/1) ... [2022-07-23 02:47:11,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:11" (1/1) ... [2022-07-23 02:47:11,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:11" (1/1) ... [2022-07-23 02:47:11,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:11" (1/1) ... [2022-07-23 02:47:11,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:11" (1/1) ... [2022-07-23 02:47:12,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:11" (1/1) ... [2022-07-23 02:47:12,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:11" (1/1) ... [2022-07-23 02:47:12,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:47:12,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:47:12,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:47:12,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:47:12,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:11" (1/1) ... [2022-07-23 02:47:12,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:47:12,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:47:12,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 02:47:12,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 02:47:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 02:47:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 02:47:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-23 02:47:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-23 02:47:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-23 02:47:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-23 02:47:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:47:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:47:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-07-23 02:47:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-07-23 02:47:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:47:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:47:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-07-23 02:47:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-07-23 02:47:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-23 02:47:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-23 02:47:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-07-23 02:47:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-07-23 02:47:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:47:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:47:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:47:12,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:47:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-07-23 02:47:12,236 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-07-23 02:47:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-07-23 02:47:12,236 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-07-23 02:47:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-23 02:47:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-23 02:47:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 02:47:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 02:47:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:47:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:47:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 02:47:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 02:47:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-07-23 02:47:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-07-23 02:47:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 02:47:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 02:47:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-07-23 02:47:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-07-23 02:47:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-07-23 02:47:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-07-23 02:47:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:47:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:47:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 02:47:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 02:47:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:47:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:47:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 02:47:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 02:47:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 02:47:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 02:47:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-23 02:47:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:47:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:47:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:47:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:47:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-23 02:47:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-23 02:47:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:47:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 02:47:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 02:47:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-07-23 02:47:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-07-23 02:47:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-23 02:47:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-23 02:47:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 02:47:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 02:47:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 02:47:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-23 02:47:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:47:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:47:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-07-23 02:47:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-07-23 02:47:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-23 02:47:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-23 02:47:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-23 02:47:12,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-23 02:47:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-07-23 02:47:12,245 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-07-23 02:47:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:47:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:47:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 02:47:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 02:47:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:47:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:47:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-07-23 02:47:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-07-23 02:47:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:47:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:47:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-07-23 02:47:12,247 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-07-23 02:47:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:47:12,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:47:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 02:47:12,247 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 02:47:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:47:12,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:47:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:47:12,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:47:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-23 02:47:12,249 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-23 02:47:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-23 02:47:12,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-23 02:47:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:47:12,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:47:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-07-23 02:47:12,253 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-07-23 02:47:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-07-23 02:47:12,253 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-07-23 02:47:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-07-23 02:47:12,254 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-07-23 02:47:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:47:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:47:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:47:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:47:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:47:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 02:47:12,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 02:47:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-23 02:47:12,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-23 02:47:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-07-23 02:47:12,260 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-07-23 02:47:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:47:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:47:12,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:47:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:47:12,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:47:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:47:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-23 02:47:12,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-23 02:47:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 02:47:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 02:47:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:47:12,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:47:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 02:47:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-23 02:47:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-23 02:47:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-23 02:47:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-23 02:47:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-07-23 02:47:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-07-23 02:47:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:47:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:47:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:47:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:47:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 02:47:12,263 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 02:47:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 02:47:12,263 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 02:47:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 02:47:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-07-23 02:47:12,263 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-07-23 02:47:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-23 02:47:12,263 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-23 02:47:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:47:12,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:47:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-23 02:47:12,264 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-23 02:47:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-23 02:47:12,264 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-23 02:47:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 02:47:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-07-23 02:47:12,264 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-07-23 02:47:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-07-23 02:47:12,264 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-07-23 02:47:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 02:47:12,265 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 02:47:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 02:47:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-07-23 02:47:12,265 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-07-23 02:47:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 02:47:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:47:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-07-23 02:47:12,265 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-07-23 02:47:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 02:47:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:47:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:47:12,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:47:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-07-23 02:47:12,266 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-07-23 02:47:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-07-23 02:47:12,266 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-07-23 02:47:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-07-23 02:47:12,266 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-07-23 02:47:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-23 02:47:12,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-23 02:47:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-07-23 02:47:12,267 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-07-23 02:47:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 02:47:12,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 02:47:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-23 02:47:12,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-23 02:47:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-07-23 02:47:12,267 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-07-23 02:47:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-07-23 02:47:12,267 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-07-23 02:47:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-07-23 02:47:12,268 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-07-23 02:47:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-07-23 02:47:12,268 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-07-23 02:47:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-23 02:47:12,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-23 02:47:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 02:47:12,268 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 02:47:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:47:12,268 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:47:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:47:12,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:47:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-23 02:47:12,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-23 02:47:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-23 02:47:12,269 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-23 02:47:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-07-23 02:47:12,269 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-07-23 02:47:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 02:47:12,269 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 02:47:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:47:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-23 02:47:12,270 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-23 02:47:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:47:12,270 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:47:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-23 02:47:12,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-23 02:47:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:47:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-07-23 02:47:12,270 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-07-23 02:47:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-07-23 02:47:12,271 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-07-23 02:47:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-07-23 02:47:12,274 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-07-23 02:47:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 02:47:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 02:47:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 02:47:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 02:47:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:47:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-07-23 02:47:12,275 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-07-23 02:47:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-23 02:47:12,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-23 02:47:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-23 02:47:12,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-23 02:47:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:47:12,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:47:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:47:12,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:47:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-07-23 02:47:12,276 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-07-23 02:47:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-07-23 02:47:12,276 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-07-23 02:47:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-23 02:47:12,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-23 02:47:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-07-23 02:47:12,277 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-07-23 02:47:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 02:47:12,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 02:47:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-07-23 02:47:12,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-07-23 02:47:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 02:47:12,277 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 02:47:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:47:12,278 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:47:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-07-23 02:47:12,278 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-07-23 02:47:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-07-23 02:47:12,278 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-07-23 02:47:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-23 02:47:12,278 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-23 02:47:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:47:12,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:47:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-07-23 02:47:12,279 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-07-23 02:47:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:47:12,279 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:47:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-23 02:47:12,279 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-23 02:47:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-07-23 02:47:12,279 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-07-23 02:47:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 02:47:12,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 02:47:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-07-23 02:47:12,280 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-07-23 02:47:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 02:47:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-07-23 02:47:12,280 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-07-23 02:47:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 02:47:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 02:47:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 02:47:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-07-23 02:47:12,280 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-07-23 02:47:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-07-23 02:47:12,280 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-07-23 02:47:12,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:47:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:47:12,281 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-07-23 02:47:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-07-23 02:47:12,281 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 02:47:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 02:47:12,281 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-07-23 02:47:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-07-23 02:47:12,281 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-07-23 02:47:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-07-23 02:47:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 02:47:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 02:47:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-23 02:47:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-23 02:47:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-07-23 02:47:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-07-23 02:47:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-23 02:47:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-23 02:47:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:47:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:47:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-07-23 02:47:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-07-23 02:47:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-07-23 02:47:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-07-23 02:47:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-07-23 02:47:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-07-23 02:47:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-07-23 02:47:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-07-23 02:47:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 02:47:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 02:47:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 02:47:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 02:47:12,284 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-07-23 02:47:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-07-23 02:47:12,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:47:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:47:12,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-23 02:47:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-23 02:47:12,284 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-23 02:47:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-23 02:47:13,068 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:47:13,074 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:47:20,031 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:48:02,612 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:48:03,160 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:48:03,188 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:48:03,188 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-23 02:48:03,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:48:03 BoogieIcfgContainer [2022-07-23 02:48:03,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:48:03,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:48:03,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:48:03,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:48:03,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:47:06" (1/3) ... [2022-07-23 02:48:03,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5348c9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:48:03, skipping insertion in model container [2022-07-23 02:48:03,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:11" (2/3) ... [2022-07-23 02:48:03,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5348c9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:48:03, skipping insertion in model container [2022-07-23 02:48:03,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:48:03" (3/3) ... [2022-07-23 02:48:03,201 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-23 02:48:03,213 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:48:03,213 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-23 02:48:03,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:48:03,329 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@122ad016, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@21229b67 [2022-07-23 02:48:03,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-23 02:48:03,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 2623 states, 1769 states have (on average 1.2679479932165065) internal successors, (2243), 1819 states have internal predecessors, (2243), 707 states have call successors, (707), 150 states have call predecessors, (707), 149 states have return successors, (698), 682 states have call predecessors, (698), 698 states have call successors, (698) [2022-07-23 02:48:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-23 02:48:03,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:48:03,371 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:48:03,372 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:48:03,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:48:03,376 INFO L85 PathProgramCache]: Analyzing trace with hash -451639904, now seen corresponding path program 1 times [2022-07-23 02:48:03,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:48:03,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823801671] [2022-07-23 02:48:03,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:48:03,390 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:48:03,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:48:03,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:48:03,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 02:48:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:04,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:48:04,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:48:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-23 02:48:04,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:48:04,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:48:04,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [823801671] [2022-07-23 02:48:04,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [823801671] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:48:04,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:48:04,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:48:04,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641294579] [2022-07-23 02:48:04,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:48:04,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:48:04,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:48:04,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:48:04,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:48:05,005 INFO L87 Difference]: Start difference. First operand has 2623 states, 1769 states have (on average 1.2679479932165065) internal successors, (2243), 1819 states have internal predecessors, (2243), 707 states have call successors, (707), 150 states have call predecessors, (707), 149 states have return successors, (698), 682 states have call predecessors, (698), 698 states have call successors, (698) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-23 02:48:05,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:48:05,727 INFO L93 Difference]: Finished difference Result 7673 states and 10785 transitions. [2022-07-23 02:48:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:48:05,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 225 [2022-07-23 02:48:05,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:48:05,774 INFO L225 Difference]: With dead ends: 7673 [2022-07-23 02:48:05,774 INFO L226 Difference]: Without dead ends: 5077 [2022-07-23 02:48:05,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:48:05,798 INFO L413 NwaCegarLoop]: 4276 mSDtfsCounter, 3473 mSDsluCounter, 3554 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3473 SdHoareTripleChecker+Valid, 7830 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:48:05,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3473 Valid, 7830 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 02:48:05,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5077 states. [2022-07-23 02:48:06,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5077 to 5075. [2022-07-23 02:48:06,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5075 states, 3428 states have (on average 1.2613768961493583) internal successors, (4324), 3521 states have internal predecessors, (4324), 1350 states have call successors, (1350), 296 states have call predecessors, (1350), 295 states have return successors, (1347), 1315 states have call predecessors, (1347), 1347 states have call successors, (1347) [2022-07-23 02:48:06,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 7021 transitions. [2022-07-23 02:48:06,081 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 7021 transitions. Word has length 225 [2022-07-23 02:48:06,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:48:06,085 INFO L495 AbstractCegarLoop]: Abstraction has 5075 states and 7021 transitions. [2022-07-23 02:48:06,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-23 02:48:06,086 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 7021 transitions. [2022-07-23 02:48:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-07-23 02:48:06,099 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:48:06,099 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:48:06,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:48:06,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:48:06,320 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:48:06,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:48:06,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1698650712, now seen corresponding path program 1 times [2022-07-23 02:48:06,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:48:06,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174577753] [2022-07-23 02:48:06,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:48:06,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:48:06,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:48:06,326 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:48:06,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 02:48:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:07,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:48:07,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:48:08,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-23 02:48:08,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:48:08,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:48:08,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174577753] [2022-07-23 02:48:08,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174577753] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:48:08,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:48:08,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:48:08,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590149887] [2022-07-23 02:48:08,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:48:08,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:48:08,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:48:08,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:48:08,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:48:08,200 INFO L87 Difference]: Start difference. First operand 5075 states and 7021 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 02:48:09,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:48:09,113 INFO L93 Difference]: Finished difference Result 11990 states and 16547 transitions. [2022-07-23 02:48:09,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:48:09,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 247 [2022-07-23 02:48:09,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:48:09,335 INFO L225 Difference]: With dead ends: 11990 [2022-07-23 02:48:09,351 INFO L226 Difference]: Without dead ends: 6956 [2022-07-23 02:48:09,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:48:09,390 INFO L413 NwaCegarLoop]: 4167 mSDtfsCounter, 3003 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3003 SdHoareTripleChecker+Valid, 7685 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:48:09,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3003 Valid, 7685 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 02:48:09,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6956 states. [2022-07-23 02:48:09,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6956 to 6947. [2022-07-23 02:48:09,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6947 states, 4702 states have (on average 1.2566992769034453) internal successors, (5909), 4830 states have internal predecessors, (5909), 1820 states have call successors, (1820), 425 states have call predecessors, (1820), 423 states have return successors, (1817), 1768 states have call predecessors, (1817), 1817 states have call successors, (1817) [2022-07-23 02:48:09,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6947 states to 6947 states and 9546 transitions. [2022-07-23 02:48:09,679 INFO L78 Accepts]: Start accepts. Automaton has 6947 states and 9546 transitions. Word has length 247 [2022-07-23 02:48:09,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:48:09,680 INFO L495 AbstractCegarLoop]: Abstraction has 6947 states and 9546 transitions. [2022-07-23 02:48:09,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 02:48:09,682 INFO L276 IsEmpty]: Start isEmpty. Operand 6947 states and 9546 transitions. [2022-07-23 02:48:09,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-23 02:48:09,687 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:48:09,688 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:48:09,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 02:48:09,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:48:09,911 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:48:09,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:48:09,912 INFO L85 PathProgramCache]: Analyzing trace with hash 502559660, now seen corresponding path program 1 times [2022-07-23 02:48:09,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:48:09,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591511710] [2022-07-23 02:48:09,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:48:09,913 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:48:09,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:48:09,916 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:48:09,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:48:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:11,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:48:11,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:48:11,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2022-07-23 02:48:11,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:48:11,727 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:48:11,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591511710] [2022-07-23 02:48:11,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1591511710] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:48:11,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:48:11,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:48:11,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210829231] [2022-07-23 02:48:11,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:48:11,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:48:11,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:48:11,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:48:11,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:48:11,729 INFO L87 Difference]: Start difference. First operand 6947 states and 9546 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-23 02:48:12,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:48:12,591 INFO L93 Difference]: Finished difference Result 18391 states and 25273 transitions. [2022-07-23 02:48:12,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:48:12,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 259 [2022-07-23 02:48:12,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:48:12,730 INFO L225 Difference]: With dead ends: 18391 [2022-07-23 02:48:12,730 INFO L226 Difference]: Without dead ends: 11485 [2022-07-23 02:48:12,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:48:12,758 INFO L413 NwaCegarLoop]: 4244 mSDtfsCounter, 3397 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3397 SdHoareTripleChecker+Valid, 7782 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:48:12,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3397 Valid, 7782 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 02:48:12,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11485 states. [2022-07-23 02:48:13,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11485 to 11472. [2022-07-23 02:48:13,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11472 states, 7764 states have (on average 1.254765584750129) internal successors, (9742), 7986 states have internal predecessors, (9742), 3003 states have call successors, (3003), 706 states have call predecessors, (3003), 703 states have return successors, (3000), 2909 states have call predecessors, (3000), 3000 states have call successors, (3000) [2022-07-23 02:48:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11472 states to 11472 states and 15745 transitions. [2022-07-23 02:48:13,120 INFO L78 Accepts]: Start accepts. Automaton has 11472 states and 15745 transitions. Word has length 259 [2022-07-23 02:48:13,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:48:13,120 INFO L495 AbstractCegarLoop]: Abstraction has 11472 states and 15745 transitions. [2022-07-23 02:48:13,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-23 02:48:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand 11472 states and 15745 transitions. [2022-07-23 02:48:13,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-07-23 02:48:13,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:48:13,129 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:48:13,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:48:13,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:48:13,343 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:48:13,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:48:13,344 INFO L85 PathProgramCache]: Analyzing trace with hash -2593651, now seen corresponding path program 1 times [2022-07-23 02:48:13,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:48:13,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122266735] [2022-07-23 02:48:13,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:48:13,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:48:13,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:48:13,360 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:48:13,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:48:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:14,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 1387 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:48:14,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:48:18,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-23 02:48:18,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:48:18,744 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:48:18,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2122266735] [2022-07-23 02:48:18,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2122266735] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:48:18,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:48:18,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:48:18,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701017542] [2022-07-23 02:48:18,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:48:18,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:48:18,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:48:18,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:48:18,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:48:18,761 INFO L87 Difference]: Start difference. First operand 11472 states and 15745 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-23 02:48:19,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:48:19,288 INFO L93 Difference]: Finished difference Result 11472 states and 15745 transitions. [2022-07-23 02:48:19,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 02:48:19,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 281 [2022-07-23 02:48:19,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:48:19,360 INFO L225 Difference]: With dead ends: 11472 [2022-07-23 02:48:19,361 INFO L226 Difference]: Without dead ends: 11417 [2022-07-23 02:48:19,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:48:19,376 INFO L413 NwaCegarLoop]: 3579 mSDtfsCounter, 3466 mSDsluCounter, 3579 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3466 SdHoareTripleChecker+Valid, 7158 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:48:19,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3466 Valid, 7158 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 02:48:19,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11417 states. [2022-07-23 02:48:19,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11417 to 11417. [2022-07-23 02:48:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11417 states, 7739 states have (on average 1.2540379894043159) internal successors, (9705), 7949 states have internal predecessors, (9705), 2976 states have call successors, (2976), 701 states have call predecessors, (2976), 701 states have return successors, (2976), 2896 states have call predecessors, (2976), 2976 states have call successors, (2976) [2022-07-23 02:48:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11417 states to 11417 states and 15657 transitions. [2022-07-23 02:48:19,858 INFO L78 Accepts]: Start accepts. Automaton has 11417 states and 15657 transitions. Word has length 281 [2022-07-23 02:48:19,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:48:19,861 INFO L495 AbstractCegarLoop]: Abstraction has 11417 states and 15657 transitions. [2022-07-23 02:48:19,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-23 02:48:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 11417 states and 15657 transitions. [2022-07-23 02:48:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-07-23 02:48:19,879 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:48:19,880 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:48:19,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:48:20,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:48:20,094 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:48:20,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:48:20,094 INFO L85 PathProgramCache]: Analyzing trace with hash -991394371, now seen corresponding path program 1 times [2022-07-23 02:48:20,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:48:20,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [570979867] [2022-07-23 02:48:20,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:48:20,096 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:48:20,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:48:20,098 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:48:20,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 02:48:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:21,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 1490 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:48:21,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:48:22,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-07-23 02:48:22,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:48:22,163 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:48:22,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [570979867] [2022-07-23 02:48:22,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [570979867] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:48:22,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:48:22,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:48:22,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572324836] [2022-07-23 02:48:22,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:48:22,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:48:22,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:48:22,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:48:22,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:48:22,164 INFO L87 Difference]: Start difference. First operand 11417 states and 15657 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-23 02:48:23,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:48:23,254 INFO L93 Difference]: Finished difference Result 25038 states and 34349 transitions. [2022-07-23 02:48:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:48:23,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 311 [2022-07-23 02:48:23,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:48:23,319 INFO L225 Difference]: With dead ends: 25038 [2022-07-23 02:48:23,320 INFO L226 Difference]: Without dead ends: 15726 [2022-07-23 02:48:23,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:48:23,354 INFO L413 NwaCegarLoop]: 6415 mSDtfsCounter, 2958 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2958 SdHoareTripleChecker+Valid, 9903 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:48:23,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2958 Valid, 9903 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 02:48:23,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15726 states. [2022-07-23 02:48:23,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15726 to 15722. [2022-07-23 02:48:23,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15722 states, 10661 states have (on average 1.253447143795141) internal successors, (13363), 10951 states have internal predecessors, (13363), 4086 states have call successors, (4086), 974 states have call predecessors, (4086), 974 states have return successors, (4086), 3974 states have call predecessors, (4086), 4086 states have call successors, (4086) [2022-07-23 02:48:23,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15722 states to 15722 states and 21535 transitions. [2022-07-23 02:48:23,986 INFO L78 Accepts]: Start accepts. Automaton has 15722 states and 21535 transitions. Word has length 311 [2022-07-23 02:48:23,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:48:23,987 INFO L495 AbstractCegarLoop]: Abstraction has 15722 states and 21535 transitions. [2022-07-23 02:48:23,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-23 02:48:23,988 INFO L276 IsEmpty]: Start isEmpty. Operand 15722 states and 21535 transitions. [2022-07-23 02:48:24,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-23 02:48:24,022 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:48:24,023 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 18, 18, 18, 18, 18, 18, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:48:24,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 02:48:24,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:48:24,236 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:48:24,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:48:24,237 INFO L85 PathProgramCache]: Analyzing trace with hash -529675242, now seen corresponding path program 1 times [2022-07-23 02:48:24,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:48:24,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006327166] [2022-07-23 02:48:24,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:48:24,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:48:24,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:48:24,248 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:48:24,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 02:48:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:25,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:48:25,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:48:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2022-07-23 02:48:25,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:48:25,616 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:48:25,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006327166] [2022-07-23 02:48:25,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006327166] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:48:25,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:48:25,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:48:25,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065546598] [2022-07-23 02:48:25,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:48:25,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:48:25,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:48:25,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:48:25,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:48:25,618 INFO L87 Difference]: Start difference. First operand 15722 states and 21535 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 02:48:26,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:48:26,373 INFO L93 Difference]: Finished difference Result 42692 states and 58511 transitions. [2022-07-23 02:48:26,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:48:26,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 335 [2022-07-23 02:48:26,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:48:26,570 INFO L225 Difference]: With dead ends: 42692 [2022-07-23 02:48:26,570 INFO L226 Difference]: Without dead ends: 26965 [2022-07-23 02:48:26,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:48:26,623 INFO L413 NwaCegarLoop]: 6586 mSDtfsCounter, 3427 mSDsluCounter, 3534 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3427 SdHoareTripleChecker+Valid, 10120 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:48:26,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3427 Valid, 10120 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 02:48:26,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26965 states. [2022-07-23 02:48:27,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26965 to 26963. [2022-07-23 02:48:27,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26963 states, 18276 states have (on average 1.254541475158678) internal successors, (22928), 18770 states have internal predecessors, (22928), 7016 states have call successors, (7016), 1670 states have call predecessors, (7016), 1670 states have return successors, (7016), 6830 states have call predecessors, (7016), 7016 states have call successors, (7016) [2022-07-23 02:48:27,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26963 states to 26963 states and 36960 transitions. [2022-07-23 02:48:27,496 INFO L78 Accepts]: Start accepts. Automaton has 26963 states and 36960 transitions. Word has length 335 [2022-07-23 02:48:27,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:48:27,497 INFO L495 AbstractCegarLoop]: Abstraction has 26963 states and 36960 transitions. [2022-07-23 02:48:27,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 02:48:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 26963 states and 36960 transitions. [2022-07-23 02:48:27,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-23 02:48:27,521 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:48:27,521 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 18, 18, 18, 18, 18, 18, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:48:27,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 02:48:27,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:48:27,736 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:48:27,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:48:27,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1368708904, now seen corresponding path program 1 times [2022-07-23 02:48:27,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:48:27,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338306371] [2022-07-23 02:48:27,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:48:27,738 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:48:27,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:48:27,739 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:48:27,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 02:48:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:28,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:48:28,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:48:29,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2022-07-23 02:48:29,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:48:29,038 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:48:29,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338306371] [2022-07-23 02:48:29,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1338306371] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:48:29,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:48:29,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:48:29,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63374830] [2022-07-23 02:48:29,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:48:29,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:48:29,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:48:29,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:48:29,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:48:29,040 INFO L87 Difference]: Start difference. First operand 26963 states and 36960 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 02:48:30,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:48:30,207 INFO L93 Difference]: Finished difference Result 65168 states and 89355 transitions. [2022-07-23 02:48:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:48:30,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 335 [2022-07-23 02:48:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:48:30,401 INFO L225 Difference]: With dead ends: 65168 [2022-07-23 02:48:30,401 INFO L226 Difference]: Without dead ends: 40310 [2022-07-23 02:48:30,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:48:30,488 INFO L413 NwaCegarLoop]: 6981 mSDtfsCounter, 3432 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 10510 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:48:30,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 10510 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 02:48:30,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40310 states. [2022-07-23 02:48:32,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40310 to 40308. [2022-07-23 02:48:32,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40308 states, 27330 states have (on average 1.2547383827296013) internal successors, (34292), 28066 states have internal predecessors, (34292), 10480 states have call successors, (10480), 2497 states have call predecessors, (10480), 2497 states have return successors, (10480), 10206 states have call predecessors, (10480), 10480 states have call successors, (10480) [2022-07-23 02:48:32,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40308 states to 40308 states and 55252 transitions. [2022-07-23 02:48:32,853 INFO L78 Accepts]: Start accepts. Automaton has 40308 states and 55252 transitions. Word has length 335 [2022-07-23 02:48:32,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:48:32,855 INFO L495 AbstractCegarLoop]: Abstraction has 40308 states and 55252 transitions. [2022-07-23 02:48:32,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 02:48:32,856 INFO L276 IsEmpty]: Start isEmpty. Operand 40308 states and 55252 transitions. [2022-07-23 02:48:32,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-23 02:48:32,898 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:48:32,898 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 18, 18, 18, 18, 18, 18, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:48:32,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 02:48:33,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:48:33,112 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:48:33,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:48:33,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1042881162, now seen corresponding path program 1 times [2022-07-23 02:48:33,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:48:33,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687530107] [2022-07-23 02:48:33,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:48:33,114 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:48:33,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:48:33,132 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:48:33,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 02:48:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:48:34,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 1516 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-23 02:48:34,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:48:37,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1939 backedges. 414 proven. 3 refuted. 0 times theorem prover too weak. 1522 trivial. 0 not checked. [2022-07-23 02:48:37,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:48:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1939 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 1873 trivial. 0 not checked. [2022-07-23 02:48:39,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:48:39,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687530107] [2022-07-23 02:48:39,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687530107] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:48:39,639 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 02:48:39,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-23 02:48:39,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50309074] [2022-07-23 02:48:39,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 02:48:39,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-23 02:48:39,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:48:39,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-23 02:48:39,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-23 02:48:39,641 INFO L87 Difference]: Start difference. First operand 40308 states and 55252 transitions. Second operand has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 20 states have internal predecessors, (142), 6 states have call successors, (49), 3 states have call predecessors, (49), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) [2022-07-23 02:49:43,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:49:43,100 INFO L93 Difference]: Finished difference Result 103176 states and 141430 transitions. [2022-07-23 02:49:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-23 02:49:43,101 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 20 states have internal predecessors, (142), 6 states have call successors, (49), 3 states have call predecessors, (49), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) Word has length 359 [2022-07-23 02:49:43,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:49:43,549 INFO L225 Difference]: With dead ends: 103176 [2022-07-23 02:49:43,550 INFO L226 Difference]: Without dead ends: 62839 [2022-07-23 02:49:43,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2022-07-23 02:49:43,706 INFO L413 NwaCegarLoop]: 7245 mSDtfsCounter, 12691 mSDsluCounter, 90226 mSDsCounter, 0 mSdLazyCounter, 7345 mSolverCounterSat, 2603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13012 SdHoareTripleChecker+Valid, 97471 SdHoareTripleChecker+Invalid, 9948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2603 IncrementalHoareTripleChecker+Valid, 7345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:49:43,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13012 Valid, 97471 Invalid, 9948 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2603 Valid, 7345 Invalid, 0 Unknown, 0 Unchecked, 58.3s Time] [2022-07-23 02:49:43,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62839 states. [2022-07-23 02:49:45,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62839 to 40352. [2022-07-23 02:49:45,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40352 states, 27361 states have (on average 1.254486312634772) internal successors, (34324), 28097 states have internal predecessors, (34324), 10482 states have call successors, (10482), 2508 states have call predecessors, (10482), 2508 states have return successors, (10482), 10208 states have call predecessors, (10482), 10482 states have call successors, (10482) [2022-07-23 02:49:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40352 states to 40352 states and 55288 transitions. [2022-07-23 02:49:45,591 INFO L78 Accepts]: Start accepts. Automaton has 40352 states and 55288 transitions. Word has length 359 [2022-07-23 02:49:45,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:49:45,592 INFO L495 AbstractCegarLoop]: Abstraction has 40352 states and 55288 transitions. [2022-07-23 02:49:45,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 20 states have internal predecessors, (142), 6 states have call successors, (49), 3 states have call predecessors, (49), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) [2022-07-23 02:49:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 40352 states and 55288 transitions. [2022-07-23 02:49:45,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-23 02:49:45,613 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:49:45,613 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 18, 18, 18, 18, 18, 18, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:49:45,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 02:49:45,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:49:45,828 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:49:45,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:49:45,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1976025518, now seen corresponding path program 1 times [2022-07-23 02:49:45,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:49:45,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [42439068] [2022-07-23 02:49:45,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:49:45,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:49:45,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:49:45,840 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:49:45,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-23 02:49:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:47,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:49:47,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:49:47,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 1738 trivial. 0 not checked. [2022-07-23 02:49:47,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:49:47,282 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:49:47,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [42439068] [2022-07-23 02:49:47,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [42439068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:49:47,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:49:47,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:49:47,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819835005] [2022-07-23 02:49:47,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:49:47,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:49:47,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:49:47,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:49:47,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:49:47,284 INFO L87 Difference]: Start difference. First operand 40352 states and 55288 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-23 02:49:48,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:49:48,934 INFO L93 Difference]: Finished difference Result 91928 states and 125975 transitions. [2022-07-23 02:49:48,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:49:48,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 367 [2022-07-23 02:49:48,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:49:49,152 INFO L225 Difference]: With dead ends: 91928 [2022-07-23 02:49:49,152 INFO L226 Difference]: Without dead ends: 51595 [2022-07-23 02:49:49,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:49:49,276 INFO L413 NwaCegarLoop]: 6986 mSDtfsCounter, 3425 mSDsluCounter, 3534 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3425 SdHoareTripleChecker+Valid, 10520 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:49:49,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3425 Valid, 10520 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 02:49:49,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51595 states. [2022-07-23 02:49:50,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51595 to 40352. [2022-07-23 02:49:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40352 states, 27361 states have (on average 1.2544497642630021) internal successors, (34323), 28097 states have internal predecessors, (34323), 10482 states have call successors, (10482), 2508 states have call predecessors, (10482), 2508 states have return successors, (10482), 10208 states have call predecessors, (10482), 10482 states have call successors, (10482) [2022-07-23 02:49:51,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40352 states to 40352 states and 55287 transitions. [2022-07-23 02:49:51,075 INFO L78 Accepts]: Start accepts. Automaton has 40352 states and 55287 transitions. Word has length 367 [2022-07-23 02:49:51,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:49:51,076 INFO L495 AbstractCegarLoop]: Abstraction has 40352 states and 55287 transitions. [2022-07-23 02:49:51,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-23 02:49:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 40352 states and 55287 transitions. [2022-07-23 02:49:51,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-23 02:49:51,099 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:49:51,100 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 18, 18, 18, 18, 18, 18, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:49:51,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-23 02:49:51,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:49:51,328 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:49:51,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:49:51,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1479908116, now seen corresponding path program 1 times [2022-07-23 02:49:51,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:49:51,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475839404] [2022-07-23 02:49:51,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:49:51,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:49:51,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:49:51,336 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:49:51,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-23 02:49:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:52,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:49:52,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:49:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 1836 trivial. 0 not checked. [2022-07-23 02:49:53,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:49:53,022 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:49:53,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475839404] [2022-07-23 02:49:53,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [475839404] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:49:53,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:49:53,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:49:53,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591564849] [2022-07-23 02:49:53,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:49:53,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:49:53,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:49:53,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:49:53,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:49:53,024 INFO L87 Difference]: Start difference. First operand 40352 states and 55287 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 02:49:55,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:49:55,432 INFO L93 Difference]: Finished difference Result 98411 states and 134876 transitions. [2022-07-23 02:49:55,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:49:55,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 367 [2022-07-23 02:49:55,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:49:55,678 INFO L225 Difference]: With dead ends: 98411 [2022-07-23 02:49:55,679 INFO L226 Difference]: Without dead ends: 60164 [2022-07-23 02:49:55,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:49:55,805 INFO L413 NwaCegarLoop]: 6926 mSDtfsCounter, 3366 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3366 SdHoareTripleChecker+Valid, 10431 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:49:55,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3366 Valid, 10431 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 02:49:55,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60164 states. [2022-07-23 02:49:57,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60164 to 60156. [2022-07-23 02:49:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60156 states, 40786 states have (on average 1.253763546314912) internal successors, (51136), 41893 states have internal predecessors, (51136), 15621 states have call successors, (15621), 3748 states have call predecessors, (15621), 3748 states have return successors, (15621), 15207 states have call predecessors, (15621), 15621 states have call successors, (15621) [2022-07-23 02:49:58,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60156 states to 60156 states and 82378 transitions. [2022-07-23 02:49:58,274 INFO L78 Accepts]: Start accepts. Automaton has 60156 states and 82378 transitions. Word has length 367 [2022-07-23 02:49:58,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:49:58,275 INFO L495 AbstractCegarLoop]: Abstraction has 60156 states and 82378 transitions. [2022-07-23 02:49:58,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 02:49:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 60156 states and 82378 transitions. [2022-07-23 02:49:58,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-23 02:49:58,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:49:58,305 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:49:58,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-23 02:49:58,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:49:58,532 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:49:58,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:49:58,533 INFO L85 PathProgramCache]: Analyzing trace with hash 173178619, now seen corresponding path program 1 times [2022-07-23 02:49:58,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:49:58,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [260730426] [2022-07-23 02:49:58,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:49:58,534 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:49:58,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:49:58,536 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:49:58,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-23 02:49:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:49:59,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:49:59,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:50:00,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1928 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2022-07-23 02:50:00,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:50:00,205 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:50:00,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [260730426] [2022-07-23 02:50:00,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [260730426] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:50:00,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:50:00,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:50:00,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662625345] [2022-07-23 02:50:00,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:50:00,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:50:00,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:50:00,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:50:00,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:50:00,206 INFO L87 Difference]: Start difference. First operand 60156 states and 82378 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 02:50:03,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:50:03,307 INFO L93 Difference]: Finished difference Result 137163 states and 187848 transitions. [2022-07-23 02:50:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:50:03,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 385 [2022-07-23 02:50:03,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:50:03,922 INFO L225 Difference]: With dead ends: 137163 [2022-07-23 02:50:03,923 INFO L226 Difference]: Without dead ends: 77028 [2022-07-23 02:50:04,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:50:04,111 INFO L413 NwaCegarLoop]: 6532 mSDtfsCounter, 2973 mSDsluCounter, 3495 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2973 SdHoareTripleChecker+Valid, 10027 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:50:04,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2973 Valid, 10027 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 02:50:04,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77028 states. [2022-07-23 02:50:06,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77028 to 77023. [2022-07-23 02:50:06,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77023 states, 52224 states have (on average 1.253274356617647) internal successors, (65451), 53642 states have internal predecessors, (65451), 19975 states have call successors, (19975), 4823 states have call predecessors, (19975), 4823 states have return successors, (19975), 19442 states have call predecessors, (19975), 19975 states have call successors, (19975) [2022-07-23 02:50:07,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77023 states to 77023 states and 105401 transitions. [2022-07-23 02:50:07,060 INFO L78 Accepts]: Start accepts. Automaton has 77023 states and 105401 transitions. Word has length 385 [2022-07-23 02:50:07,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:50:07,061 INFO L495 AbstractCegarLoop]: Abstraction has 77023 states and 105401 transitions. [2022-07-23 02:50:07,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 02:50:07,061 INFO L276 IsEmpty]: Start isEmpty. Operand 77023 states and 105401 transitions. [2022-07-23 02:50:07,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-23 02:50:07,090 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:50:07,090 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:50:07,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-23 02:50:07,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:50:07,308 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:50:07,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:50:07,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2101451321, now seen corresponding path program 1 times [2022-07-23 02:50:07,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:50:07,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275094358] [2022-07-23 02:50:07,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:50:07,309 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:50:07,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:50:07,320 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:50:07,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-23 02:50:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:08,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:50:08,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:50:14,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1928 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1928 trivial. 0 not checked. [2022-07-23 02:50:14,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:50:14,611 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:50:14,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [275094358] [2022-07-23 02:50:14,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [275094358] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:50:14,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:50:14,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:50:14,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633506549] [2022-07-23 02:50:14,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:50:14,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:50:14,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:50:14,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:50:14,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:50:14,613 INFO L87 Difference]: Start difference. First operand 77023 states and 105401 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-07-23 02:50:16,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:50:16,759 INFO L93 Difference]: Finished difference Result 77059 states and 105440 transitions. [2022-07-23 02:50:16,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 02:50:16,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 385 [2022-07-23 02:50:16,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:50:16,765 INFO L225 Difference]: With dead ends: 77059 [2022-07-23 02:50:16,765 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 02:50:16,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:50:16,952 INFO L413 NwaCegarLoop]: 3552 mSDtfsCounter, 3380 mSDsluCounter, 3550 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3380 SdHoareTripleChecker+Valid, 7102 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:50:16,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3380 Valid, 7102 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:50:16,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 02:50:16,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 02:50:16,952 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) [2022-07-23 02:50:16,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 02:50:16,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 385 [2022-07-23 02:50:16,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:50:16,964 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 02:50:16,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-07-23 02:50:16,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 02:50:16,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 02:50:16,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-23 02:50:16,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-07-23 02:50:17,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-23 02:50:17,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:50:17,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.