./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 eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-eb692b5 [2022-07-20 02:32:11,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:32:11,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:32:11,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:32:11,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:32:11,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:32:11,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:32:11,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:32:11,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:32:11,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:32:11,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:32:11,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:32:11,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:32:11,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:32:11,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:32:11,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:32:11,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:32:11,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:32:11,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:32:11,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:32:11,926 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:32:11,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:32:11,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:32:11,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:32:11,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:32:11,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:32:11,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:32:11,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:32:11,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:32:11,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:32:11,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:32:11,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:32:11,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:32:11,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:32:11,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:32:11,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:32:11,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:32:11,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:32:11,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:32:11,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:32:11,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:32:11,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:32:11,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:32:11,965 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:32:11,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:32:11,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:32:11,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:32:11,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:32:11,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:32:11,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:32:11,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:32:11,967 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:32:11,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:32:11,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:32:11,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:32:11,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:32:11,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:32:11,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:32:11,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:32:11,969 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:32:11,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:32:11,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:32:11,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:32:11,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:32:11,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:32:11,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:32:11,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:32:11,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:32:11,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:32:11,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:32:11,970 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:32:11,970 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:32:11,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:32:11,971 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 [2022-07-20 02:32:12,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:32:12,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:32:12,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:32:12,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:32:12,225 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:32:12,226 INFO L432 ainManager$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 [2022-07-20 02:32:12,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b18871a9/224007024c1e485492f6ffecae2de28e/FLAG262fe11bb [2022-07-20 02:32:12,917 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:32:12,917 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 [2022-07-20 02:32:12,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b18871a9/224007024c1e485492f6ffecae2de28e/FLAG262fe11bb [2022-07-20 02:32:13,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b18871a9/224007024c1e485492f6ffecae2de28e [2022-07-20 02:32:13,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:32:13,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:32:13,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:32:13,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:32:13,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:32:13,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:32:13" (1/1) ... [2022-07-20 02:32:13,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f18b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:13, skipping insertion in model container [2022-07-20 02:32:13,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:32:13" (1/1) ... [2022-07-20 02:32:13,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:32:13,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:32:16,185 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] [2022-07-20 02:32:16,188 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] [2022-07-20 02:32:16,189 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] [2022-07-20 02:32:16,189 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] [2022-07-20 02:32:16,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:32:16,233 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:32:16,452 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) [2022-07-20 02:32:16,458 INFO L158 Benchmark]: Toolchain (without parser) took 3431.62ms. Allocated memory was 104.9MB in the beginning and 201.3MB in the end (delta: 96.5MB). Free memory was 60.6MB in the beginning and 118.2MB in the end (delta: -57.6MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2022-07-20 02:32:16,459 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 02:32:16,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3428.33ms. Allocated memory was 104.9MB in the beginning and 201.3MB in the end (delta: 96.5MB). Free memory was 60.4MB in the beginning and 118.2MB in the end (delta: -57.8MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2022-07-20 02:32:16,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3428.33ms. Allocated memory was 104.9MB in the beginning and 201.3MB in the end (delta: 96.5MB). Free memory was 60.4MB in the beginning and 118.2MB in the end (delta: -57.8MB). Peak memory consumption was 74.9MB. 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-?-eb692b5 [2022-07-20 02:32:18,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:32:18,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:32:18,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:32:18,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:32:18,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:32:18,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:32:18,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:32:18,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:32:18,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:32:18,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:32:18,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:32:18,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:32:18,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:32:18,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:32:18,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:32:18,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:32:18,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:32:18,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:32:18,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:32:18,216 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:32:18,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:32:18,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:32:18,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:32:18,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:32:18,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:32:18,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:32:18,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:32:18,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:32:18,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:32:18,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:32:18,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:32:18,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:32:18,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:32:18,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:32:18,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:32:18,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:32:18,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:32:18,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:32:18,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:32:18,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:32:18,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:32:18,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 02:32:18,276 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:32:18,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:32:18,277 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:32:18,277 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:32:18,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:32:18,278 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:32:18,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:32:18,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:32:18,279 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:32:18,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:32:18,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:32:18,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:32:18,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:32:18,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:32:18,288 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 02:32:18,288 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 02:32:18,288 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 02:32:18,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:32:18,288 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:32:18,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:32:18,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:32:18,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:32:18,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:32:18,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:32:18,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:32:18,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:32:18,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:32:18,290 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 02:32:18,290 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 02:32:18,290 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:32:18,291 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:32:18,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:32:18,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 02:32:18,291 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 [2022-07-20 02:32:18,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:32:18,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:32:18,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:32:18,646 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:32:18,647 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:32:18,648 INFO L432 ainManager$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 [2022-07-20 02:32:18,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e73f4abb/8011359a5edd469493b5153ee246b62e/FLAGdb072e8dd [2022-07-20 02:32:19,568 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:32:19,569 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 [2022-07-20 02:32:19,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e73f4abb/8011359a5edd469493b5153ee246b62e/FLAGdb072e8dd [2022-07-20 02:32:20,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e73f4abb/8011359a5edd469493b5153ee246b62e [2022-07-20 02:32:20,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:32:20,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:32:20,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:32:20,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:32:20,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:32:20,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:32:20" (1/1) ... [2022-07-20 02:32:20,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d00b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:20, skipping insertion in model container [2022-07-20 02:32:20,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:32:20" (1/1) ... [2022-07-20 02:32:20,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:32:20,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:32:24,559 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] [2022-07-20 02:32:24,562 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] [2022-07-20 02:32:24,563 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] [2022-07-20 02:32:24,563 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] [2022-07-20 02:32:24,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:32:24,662 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 02:32:24,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:32:25,169 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] [2022-07-20 02:32:25,170 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] [2022-07-20 02:32:25,170 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] [2022-07-20 02:32:25,170 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] [2022-07-20 02:32:25,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:32:25,221 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:32:25,568 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] [2022-07-20 02:32:25,569 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] [2022-07-20 02:32:25,570 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] [2022-07-20 02:32:25,571 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] [2022-07-20 02:32:25,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:32:25,769 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:32:25,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:25 WrapperNode [2022-07-20 02:32:25,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:32:25,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:32:25,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:32:25,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:32:25,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:25" (1/1) ... [2022-07-20 02:32:25,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:25" (1/1) ... [2022-07-20 02:32:26,050 INFO L137 Inliner]: procedures = 549, calls = 2700, calls flagged for inlining = 309, calls inlined = 257, statements flattened = 5791 [2022-07-20 02:32:26,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:32:26,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:32:26,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:32:26,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:32:26,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:25" (1/1) ... [2022-07-20 02:32:26,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:25" (1/1) ... [2022-07-20 02:32:26,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:25" (1/1) ... [2022-07-20 02:32:26,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:25" (1/1) ... [2022-07-20 02:32:26,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:25" (1/1) ... [2022-07-20 02:32:26,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:25" (1/1) ... [2022-07-20 02:32:26,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:25" (1/1) ... [2022-07-20 02:32:26,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:32:26,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:32:26,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:32:26,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:32:26,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:25" (1/1) ... [2022-07-20 02:32:26,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:32:26,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:32:26,325 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) [2022-07-20 02:32:26,332 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 [2022-07-20 02:32:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 02:32:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 02:32:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-20 02:32:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-20 02:32:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-20 02:32:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-20 02:32:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 02:32:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 02:32:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-07-20 02:32:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-07-20 02:32:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:32:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:32:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-07-20 02:32:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-07-20 02:32:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-20 02:32:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-20 02:32:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-07-20 02:32:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-07-20 02:32:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 02:32:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 02:32:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:32:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:32:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-07-20 02:32:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-07-20 02:32:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-07-20 02:32:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-07-20 02:32:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-20 02:32:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-20 02:32:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 02:32:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 02:32:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 02:32:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 02:32:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 02:32:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 02:32:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-07-20 02:32:26,362 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-07-20 02:32:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 02:32:26,362 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 02:32:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-07-20 02:32:26,363 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-07-20 02:32:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-07-20 02:32:26,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-07-20 02:32:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 02:32:26,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 02:32:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 02:32:26,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 02:32:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:32:26,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:32:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 02:32:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 02:32:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 02:32:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 02:32:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-20 02:32:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 02:32:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 02:32:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:32:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:32:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-20 02:32:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-20 02:32:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:32:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 02:32:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 02:32:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-07-20 02:32:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-07-20 02:32:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-20 02:32:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-20 02:32:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 02:32:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 02:32:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 02:32:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-20 02:32:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:32:26,368 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:32:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-07-20 02:32:26,368 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-07-20 02:32:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-20 02:32:26,369 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-20 02:32:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-20 02:32:26,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-20 02:32:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-07-20 02:32:26,369 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-07-20 02:32:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 02:32:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 02:32:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 02:32:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 02:32:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:32:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:32:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-07-20 02:32:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-07-20 02:32:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 02:32:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 02:32:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-07-20 02:32:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-07-20 02:32:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:32:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:32:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 02:32:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 02:32:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:32:26,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:32:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:32:26,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:32:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-20 02:32:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-20 02:32:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-20 02:32:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-20 02:32:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 02:32:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 02:32:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-07-20 02:32:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-07-20 02:32:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-07-20 02:32:26,376 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-07-20 02:32:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-07-20 02:32:26,377 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-07-20 02:32:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:32:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:32:26,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:32:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:32:26,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:32:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 02:32:26,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 02:32:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-20 02:32:26,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-20 02:32:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-07-20 02:32:26,382 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-07-20 02:32:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:32:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:32:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:32:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:32:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:32:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:32:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-20 02:32:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-20 02:32:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 02:32:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 02:32:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:32:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:32:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 02:32:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-20 02:32:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-20 02:32:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-20 02:32:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-20 02:32:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-07-20 02:32:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-07-20 02:32:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:32:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:32:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 02:32:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 02:32:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 02:32:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 02:32:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 02:32:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 02:32:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 02:32:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-07-20 02:32:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-07-20 02:32:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-20 02:32:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-20 02:32:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:32:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:32:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-20 02:32:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-20 02:32:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-20 02:32:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-20 02:32:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 02:32:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-07-20 02:32:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-07-20 02:32:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-07-20 02:32:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-07-20 02:32:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 02:32:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 02:32:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 02:32:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-07-20 02:32:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-07-20 02:32:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 02:32:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:32:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-07-20 02:32:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-07-20 02:32:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 02:32:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:32:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:32:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:32:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-07-20 02:32:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-07-20 02:32:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-07-20 02:32:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-07-20 02:32:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-07-20 02:32:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-07-20 02:32:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-20 02:32:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-20 02:32:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-07-20 02:32:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-07-20 02:32:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 02:32:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 02:32:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-20 02:32:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-20 02:32:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-07-20 02:32:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-07-20 02:32:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-07-20 02:32:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-07-20 02:32:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-07-20 02:32:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-07-20 02:32:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-07-20 02:32:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-07-20 02:32:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-20 02:32:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-20 02:32:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 02:32:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 02:32:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:32:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:32:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 02:32:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 02:32:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-20 02:32:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-20 02:32:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-20 02:32:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-20 02:32:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-07-20 02:32:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-07-20 02:32:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 02:32:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 02:32:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:32:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-20 02:32:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-20 02:32:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 02:32:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 02:32:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-20 02:32:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-20 02:32:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:32:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-07-20 02:32:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-07-20 02:32:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-07-20 02:32:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-07-20 02:32:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-07-20 02:32:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-07-20 02:32:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 02:32:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 02:32:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 02:32:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 02:32:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:32:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-07-20 02:32:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-07-20 02:32:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-20 02:32:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-20 02:32:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-20 02:32:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-20 02:32:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:32:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:32:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:32:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:32:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-07-20 02:32:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-07-20 02:32:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-07-20 02:32:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-07-20 02:32:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-20 02:32:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-20 02:32:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-07-20 02:32:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-07-20 02:32:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 02:32:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 02:32:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-07-20 02:32:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-07-20 02:32:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 02:32:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 02:32:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 02:32:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 02:32:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-07-20 02:32:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-07-20 02:32:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-07-20 02:32:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-07-20 02:32:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-20 02:32:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-20 02:32:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 02:32:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 02:32:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-07-20 02:32:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-07-20 02:32:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 02:32:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 02:32:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-20 02:32:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-20 02:32:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-07-20 02:32:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-07-20 02:32:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 02:32:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 02:32:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-07-20 02:32:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-07-20 02:32:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 02:32:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-07-20 02:32:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-07-20 02:32:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 02:32:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 02:32:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 02:32:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-07-20 02:32:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-07-20 02:32:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-07-20 02:32:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-07-20 02:32:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:32:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:32:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-07-20 02:32:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-07-20 02:32:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 02:32:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 02:32:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-07-20 02:32:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-07-20 02:32:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-07-20 02:32:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-07-20 02:32:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 02:32:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 02:32:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 02:32:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 02:32:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-07-20 02:32:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-07-20 02:32:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-20 02:32:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-20 02:32:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:32:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:32:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-07-20 02:32:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-07-20 02:32:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-07-20 02:32:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-07-20 02:32:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-07-20 02:32:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-07-20 02:32:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-07-20 02:32:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-07-20 02:32:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 02:32:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 02:32:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 02:32:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 02:32:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-07-20 02:32:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-07-20 02:32:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:32:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:32:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-20 02:32:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-20 02:32:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-20 02:32:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-20 02:32:27,273 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:32:27,285 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:32:34,401 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:33:16,328 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:33:16,983 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:33:17,006 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:33:17,007 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-20 02:33:17,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:33:17 BoogieIcfgContainer [2022-07-20 02:33:17,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:33:17,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:33:17,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:33:17,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:33:17,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:32:20" (1/3) ... [2022-07-20 02:33:17,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5b137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:33:17, skipping insertion in model container [2022-07-20 02:33:17,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:25" (2/3) ... [2022-07-20 02:33:17,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5b137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:33:17, skipping insertion in model container [2022-07-20 02:33:17,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:33:17" (3/3) ... [2022-07-20 02:33:17,018 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-20 02:33:17,029 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:33:17,029 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-20 02:33:17,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:33:17,142 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@24c7ae66, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@495681eb [2022-07-20 02:33:17,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-20 02:33:17,153 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) [2022-07-20 02:33:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-20 02:33:17,176 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:33:17,177 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] [2022-07-20 02:33:17,177 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] === [2022-07-20 02:33:17,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:33:17,181 INFO L85 PathProgramCache]: Analyzing trace with hash -451639904, now seen corresponding path program 1 times [2022-07-20 02:33:17,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:33:17,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094515767] [2022-07-20 02:33:17,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:33:17,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:33:17,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:33:17,199 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) [2022-07-20 02:33:17,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 02:33:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:33:18,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:33:18,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:33:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-20 02:33:18,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:33:18,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:33:18,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094515767] [2022-07-20 02:33:18,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1094515767] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:33:18,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:33:18,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:33:18,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660960695] [2022-07-20 02:33:18,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:33:18,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:33:18,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:33:18,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:33:18,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:33:18,584 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) [2022-07-20 02:33:19,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:33:19,305 INFO L93 Difference]: Finished difference Result 7673 states and 10785 transitions. [2022-07-20 02:33:19,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:33:19,308 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 [2022-07-20 02:33:19,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:33:19,360 INFO L225 Difference]: With dead ends: 7673 [2022-07-20 02:33:19,361 INFO L226 Difference]: Without dead ends: 5077 [2022-07-20 02:33:19,383 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 [2022-07-20 02:33:19,388 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:33:19,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3473 Valid, 7830 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 02:33:19,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5077 states. [2022-07-20 02:33:19,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5077 to 5075. [2022-07-20 02:33:19,659 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) [2022-07-20 02:33:19,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 7021 transitions. [2022-07-20 02:33:19,699 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 7021 transitions. Word has length 225 [2022-07-20 02:33:19,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:33:19,702 INFO L495 AbstractCegarLoop]: Abstraction has 5075 states and 7021 transitions. [2022-07-20 02:33:19,702 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) [2022-07-20 02:33:19,702 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 7021 transitions. [2022-07-20 02:33:19,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-07-20 02:33:19,714 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:33:19,715 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] [2022-07-20 02:33:19,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 02:33:19,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:33:19,932 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] === [2022-07-20 02:33:19,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:33:19,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1698650712, now seen corresponding path program 1 times [2022-07-20 02:33:19,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:33:19,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486864399] [2022-07-20 02:33:19,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:33:19,934 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:33:19,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:33:19,948 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) [2022-07-20 02:33:19,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 02:33:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:33:21,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:33:21,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:33:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-20 02:33:21,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:33:21,677 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:33:21,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486864399] [2022-07-20 02:33:21,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486864399] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:33:21,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:33:21,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:33:21,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285606499] [2022-07-20 02:33:21,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:33:21,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:33:21,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:33:21,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:33:21,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:33:21,680 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) [2022-07-20 02:33:22,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:33:22,570 INFO L93 Difference]: Finished difference Result 11990 states and 16547 transitions. [2022-07-20 02:33:22,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:33:22,571 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 [2022-07-20 02:33:22,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:33:22,626 INFO L225 Difference]: With dead ends: 11990 [2022-07-20 02:33:22,626 INFO L226 Difference]: Without dead ends: 6956 [2022-07-20 02:33:22,654 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 [2022-07-20 02:33:22,655 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 [2022-07-20 02:33:22,656 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] [2022-07-20 02:33:22,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6956 states. [2022-07-20 02:33:22,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6956 to 6947. [2022-07-20 02:33:22,881 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) [2022-07-20 02:33:22,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6947 states to 6947 states and 9546 transitions. [2022-07-20 02:33:22,920 INFO L78 Accepts]: Start accepts. Automaton has 6947 states and 9546 transitions. Word has length 247 [2022-07-20 02:33:22,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:33:22,921 INFO L495 AbstractCegarLoop]: Abstraction has 6947 states and 9546 transitions. [2022-07-20 02:33:22,922 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) [2022-07-20 02:33:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 6947 states and 9546 transitions. [2022-07-20 02:33:22,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-20 02:33:22,928 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:33:22,930 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] [2022-07-20 02:33:22,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 02:33:23,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:33:23,156 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] === [2022-07-20 02:33:23,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:33:23,156 INFO L85 PathProgramCache]: Analyzing trace with hash 502559660, now seen corresponding path program 1 times [2022-07-20 02:33:23,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:33:23,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876665254] [2022-07-20 02:33:23,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:33:23,158 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:33:23,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:33:23,162 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) [2022-07-20 02:33:23,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 02:33:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:33:24,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:33:24,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:33:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2022-07-20 02:33:24,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:33:24,888 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:33:24,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876665254] [2022-07-20 02:33:24,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876665254] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:33:24,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:33:24,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:33:24,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844375248] [2022-07-20 02:33:24,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:33:24,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:33:24,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:33:24,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:33:24,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:33:24,890 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) [2022-07-20 02:33:25,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:33:25,833 INFO L93 Difference]: Finished difference Result 18391 states and 25273 transitions. [2022-07-20 02:33:25,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:33:25,834 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 [2022-07-20 02:33:25,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:33:25,912 INFO L225 Difference]: With dead ends: 18391 [2022-07-20 02:33:25,912 INFO L226 Difference]: Without dead ends: 11485 [2022-07-20 02:33:25,953 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 [2022-07-20 02:33:25,956 INFO L413 NwaCegarLoop]: 4244 mSDtfsCounter, 3397 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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 [2022-07-20 02:33:25,957 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] [2022-07-20 02:33:25,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11485 states. [2022-07-20 02:33:26,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11485 to 11472. [2022-07-20 02:33:26,352 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) [2022-07-20 02:33:26,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11472 states to 11472 states and 15745 transitions. [2022-07-20 02:33:26,412 INFO L78 Accepts]: Start accepts. Automaton has 11472 states and 15745 transitions. Word has length 259 [2022-07-20 02:33:26,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:33:26,413 INFO L495 AbstractCegarLoop]: Abstraction has 11472 states and 15745 transitions. [2022-07-20 02:33:26,413 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) [2022-07-20 02:33:26,413 INFO L276 IsEmpty]: Start isEmpty. Operand 11472 states and 15745 transitions. [2022-07-20 02:33:26,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-07-20 02:33:26,422 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:33:26,423 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] [2022-07-20 02:33:26,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-20 02:33:26,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:33:26,639 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] === [2022-07-20 02:33:26,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:33:26,640 INFO L85 PathProgramCache]: Analyzing trace with hash -2593651, now seen corresponding path program 1 times [2022-07-20 02:33:26,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:33:26,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141846361] [2022-07-20 02:33:26,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:33:26,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:33:26,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:33:26,648 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) [2022-07-20 02:33:26,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 02:33:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:33:27,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 1387 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:33:27,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:33:32,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-20 02:33:32,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:33:32,598 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:33:32,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141846361] [2022-07-20 02:33:32,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141846361] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:33:32,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:33:32,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:33:32,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300915671] [2022-07-20 02:33:32,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:33:32,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:33:32,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:33:32,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:33:32,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:33:32,600 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) [2022-07-20 02:33:33,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:33:33,211 INFO L93 Difference]: Finished difference Result 11472 states and 15745 transitions. [2022-07-20 02:33:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 02:33:33,212 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 [2022-07-20 02:33:33,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:33:33,292 INFO L225 Difference]: With dead ends: 11472 [2022-07-20 02:33:33,293 INFO L226 Difference]: Without dead ends: 11417 [2022-07-20 02:33:33,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:33:33,309 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:33:33,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3466 Valid, 7158 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 02:33:33,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11417 states. [2022-07-20 02:33:33,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11417 to 11417. [2022-07-20 02:33:33,683 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) [2022-07-20 02:33:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11417 states to 11417 states and 15657 transitions. [2022-07-20 02:33:33,735 INFO L78 Accepts]: Start accepts. Automaton has 11417 states and 15657 transitions. Word has length 281 [2022-07-20 02:33:33,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:33:33,738 INFO L495 AbstractCegarLoop]: Abstraction has 11417 states and 15657 transitions. [2022-07-20 02:33:33,738 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) [2022-07-20 02:33:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 11417 states and 15657 transitions. [2022-07-20 02:33:33,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-07-20 02:33:33,757 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:33:33,758 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] [2022-07-20 02:33:33,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-20 02:33:33,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:33:33,972 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] === [2022-07-20 02:33:33,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:33:33,973 INFO L85 PathProgramCache]: Analyzing trace with hash -991394371, now seen corresponding path program 1 times [2022-07-20 02:33:33,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:33:33,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742309952] [2022-07-20 02:33:33,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:33:33,974 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:33:33,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:33:33,976 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) [2022-07-20 02:33:34,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 02:33:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:33:35,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 1490 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:33:35,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:33:36,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-07-20 02:33:36,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:33:36,024 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:33:36,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742309952] [2022-07-20 02:33:36,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742309952] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:33:36,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:33:36,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:33:36,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886965048] [2022-07-20 02:33:36,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:33:36,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:33:36,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:33:36,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:33:36,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:33:36,026 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) [2022-07-20 02:33:37,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:33:37,185 INFO L93 Difference]: Finished difference Result 25038 states and 34349 transitions. [2022-07-20 02:33:37,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:33:37,186 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 [2022-07-20 02:33:37,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:33:37,252 INFO L225 Difference]: With dead ends: 25038 [2022-07-20 02:33:37,253 INFO L226 Difference]: Without dead ends: 15726 [2022-07-20 02:33:37,291 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 [2022-07-20 02:33:37,292 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:33:37,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2958 Valid, 9903 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 02:33:37,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15726 states. [2022-07-20 02:33:37,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15726 to 15722. [2022-07-20 02:33:37,730 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) [2022-07-20 02:33:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15722 states to 15722 states and 21535 transitions. [2022-07-20 02:33:37,805 INFO L78 Accepts]: Start accepts. Automaton has 15722 states and 21535 transitions. Word has length 311 [2022-07-20 02:33:37,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:33:37,805 INFO L495 AbstractCegarLoop]: Abstraction has 15722 states and 21535 transitions. [2022-07-20 02:33:37,806 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) [2022-07-20 02:33:37,806 INFO L276 IsEmpty]: Start isEmpty. Operand 15722 states and 21535 transitions. [2022-07-20 02:33:37,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-20 02:33:37,833 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:33:37,833 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] [2022-07-20 02:33:37,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 02:33:38,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:33:38,048 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] === [2022-07-20 02:33:38,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:33:38,048 INFO L85 PathProgramCache]: Analyzing trace with hash -529675242, now seen corresponding path program 1 times [2022-07-20 02:33:38,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:33:38,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165313182] [2022-07-20 02:33:38,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:33:38,049 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:33:38,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:33:38,060 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) [2022-07-20 02:33:38,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 02:33:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:33:39,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:33:39,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:33:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2022-07-20 02:33:39,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:33:39,523 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:33:39,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165313182] [2022-07-20 02:33:39,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165313182] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:33:39,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:33:39,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:33:39,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887342335] [2022-07-20 02:33:39,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:33:39,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:33:39,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:33:39,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:33:39,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:33:39,525 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) [2022-07-20 02:33:40,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:33:40,530 INFO L93 Difference]: Finished difference Result 42692 states and 58511 transitions. [2022-07-20 02:33:40,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:33:40,531 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 [2022-07-20 02:33:40,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:33:40,686 INFO L225 Difference]: With dead ends: 42692 [2022-07-20 02:33:40,686 INFO L226 Difference]: Without dead ends: 26965 [2022-07-20 02:33:40,752 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 [2022-07-20 02:33:40,754 INFO L413 NwaCegarLoop]: 6586 mSDtfsCounter, 3427 mSDsluCounter, 3534 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-07-20 02:33:40,754 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] [2022-07-20 02:33:40,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26965 states. [2022-07-20 02:33:41,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26965 to 26963. [2022-07-20 02:33:41,730 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) [2022-07-20 02:33:41,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26963 states to 26963 states and 36960 transitions. [2022-07-20 02:33:41,948 INFO L78 Accepts]: Start accepts. Automaton has 26963 states and 36960 transitions. Word has length 335 [2022-07-20 02:33:41,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:33:41,949 INFO L495 AbstractCegarLoop]: Abstraction has 26963 states and 36960 transitions. [2022-07-20 02:33:41,949 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) [2022-07-20 02:33:41,949 INFO L276 IsEmpty]: Start isEmpty. Operand 26963 states and 36960 transitions. [2022-07-20 02:33:41,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-20 02:33:41,981 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:33:41,981 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] [2022-07-20 02:33:42,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 02:33:42,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:33:42,201 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] === [2022-07-20 02:33:42,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:33:42,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1368708904, now seen corresponding path program 1 times [2022-07-20 02:33:42,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:33:42,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803672104] [2022-07-20 02:33:42,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:33:42,203 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:33:42,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:33:42,204 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) [2022-07-20 02:33:42,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 02:33:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:33:43,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:33:43,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:33:43,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2022-07-20 02:33:43,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:33:43,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:33:43,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803672104] [2022-07-20 02:33:43,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1803672104] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:33:43,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:33:43,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:33:43,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176693270] [2022-07-20 02:33:43,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:33:43,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:33:43,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:33:43,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:33:43,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:33:43,639 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) [2022-07-20 02:33:45,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:33:45,064 INFO L93 Difference]: Finished difference Result 65168 states and 89355 transitions. [2022-07-20 02:33:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:33:45,065 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 [2022-07-20 02:33:45,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:33:45,293 INFO L225 Difference]: With dead ends: 65168 [2022-07-20 02:33:45,294 INFO L226 Difference]: Without dead ends: 40310 [2022-07-20 02:33:45,406 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 [2022-07-20 02:33:45,407 INFO L413 NwaCegarLoop]: 6981 mSDtfsCounter, 3432 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-07-20 02:33:45,408 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] [2022-07-20 02:33:45,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40310 states. [2022-07-20 02:33:46,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40310 to 40308. [2022-07-20 02:33:46,962 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) [2022-07-20 02:33:47,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40308 states to 40308 states and 55252 transitions. [2022-07-20 02:33:47,168 INFO L78 Accepts]: Start accepts. Automaton has 40308 states and 55252 transitions. Word has length 335 [2022-07-20 02:33:47,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:33:47,170 INFO L495 AbstractCegarLoop]: Abstraction has 40308 states and 55252 transitions. [2022-07-20 02:33:47,170 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) [2022-07-20 02:33:47,170 INFO L276 IsEmpty]: Start isEmpty. Operand 40308 states and 55252 transitions. [2022-07-20 02:33:47,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-20 02:33:47,232 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:33:47,232 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] [2022-07-20 02:33:47,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 02:33:47,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:33:47,449 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] === [2022-07-20 02:33:47,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:33:47,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1042881162, now seen corresponding path program 1 times [2022-07-20 02:33:47,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:33:47,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361268797] [2022-07-20 02:33:47,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:33:47,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:33:47,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:33:47,453 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) [2022-07-20 02:33:47,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 02:33:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:33:48,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 1516 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-20 02:33:48,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:33:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1939 backedges. 414 proven. 3 refuted. 0 times theorem prover too weak. 1522 trivial. 0 not checked. [2022-07-20 02:33:52,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:33:55,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1939 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 1873 trivial. 0 not checked. [2022-07-20 02:33:55,072 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:33:55,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361268797] [2022-07-20 02:33:55,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1361268797] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 02:33:55,072 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 02:33:55,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-20 02:33:55,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584862673] [2022-07-20 02:33:55,072 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 02:33:55,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-20 02:33:55,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:33:55,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-20 02:33:55,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-20 02:33:55,075 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) [2022-07-20 02:35:03,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:35:03,961 INFO L93 Difference]: Finished difference Result 103176 states and 141430 transitions. [2022-07-20 02:35:03,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-20 02:35:03,962 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 [2022-07-20 02:35:03,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:35:04,286 INFO L225 Difference]: With dead ends: 103176 [2022-07-20 02:35:04,286 INFO L226 Difference]: Without dead ends: 62839 [2022-07-20 02:35:04,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2022-07-20 02:35:04,434 INFO L413 NwaCegarLoop]: 7245 mSDtfsCounter, 12691 mSDsluCounter, 90226 mSDsCounter, 0 mSdLazyCounter, 7345 mSolverCounterSat, 2603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.5s 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, 63.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:35:04,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13012 Valid, 97471 Invalid, 9948 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2603 Valid, 7345 Invalid, 0 Unknown, 0 Unchecked, 63.4s Time] [2022-07-20 02:35:04,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62839 states. [2022-07-20 02:35:06,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62839 to 40352. [2022-07-20 02:35:06,205 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) [2022-07-20 02:35:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40352 states to 40352 states and 55288 transitions. [2022-07-20 02:35:06,404 INFO L78 Accepts]: Start accepts. Automaton has 40352 states and 55288 transitions. Word has length 359 [2022-07-20 02:35:06,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:35:06,404 INFO L495 AbstractCegarLoop]: Abstraction has 40352 states and 55288 transitions. [2022-07-20 02:35:06,405 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) [2022-07-20 02:35:06,405 INFO L276 IsEmpty]: Start isEmpty. Operand 40352 states and 55288 transitions. [2022-07-20 02:35:06,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-20 02:35:06,438 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:35:06,438 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] [2022-07-20 02:35:06,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 02:35:06,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:35:06,665 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] === [2022-07-20 02:35:06,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:35:06,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1976025518, now seen corresponding path program 1 times [2022-07-20 02:35:06,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:35:06,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337040898] [2022-07-20 02:35:06,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:35:06,666 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:35:06,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:35:06,676 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) [2022-07-20 02:35:06,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-20 02:35:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:07,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:35:07,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:35:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 1738 trivial. 0 not checked. [2022-07-20 02:35:08,034 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:35:08,035 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:35:08,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337040898] [2022-07-20 02:35:08,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1337040898] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:35:08,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:35:08,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:35:08,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361987391] [2022-07-20 02:35:08,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:35:08,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:35:08,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:35:08,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:35:08,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:35:08,036 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) [2022-07-20 02:35:09,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:35:09,913 INFO L93 Difference]: Finished difference Result 91928 states and 125975 transitions. [2022-07-20 02:35:09,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:35:09,914 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 [2022-07-20 02:35:09,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:35:10,219 INFO L225 Difference]: With dead ends: 91928 [2022-07-20 02:35:10,220 INFO L226 Difference]: Without dead ends: 51595 [2022-07-20 02:35:10,554 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 [2022-07-20 02:35:10,556 INFO L413 NwaCegarLoop]: 6986 mSDtfsCounter, 3425 mSDsluCounter, 3534 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:35:10,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3425 Valid, 10520 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 02:35:10,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51595 states. [2022-07-20 02:35:12,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51595 to 40352. [2022-07-20 02:35:12,065 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) [2022-07-20 02:35:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40352 states to 40352 states and 55287 transitions. [2022-07-20 02:35:12,236 INFO L78 Accepts]: Start accepts. Automaton has 40352 states and 55287 transitions. Word has length 367 [2022-07-20 02:35:12,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:35:12,237 INFO L495 AbstractCegarLoop]: Abstraction has 40352 states and 55287 transitions. [2022-07-20 02:35:12,237 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) [2022-07-20 02:35:12,237 INFO L276 IsEmpty]: Start isEmpty. Operand 40352 states and 55287 transitions. [2022-07-20 02:35:12,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-20 02:35:12,267 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:35:12,267 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] [2022-07-20 02:35:12,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-20 02:35:12,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:35:12,484 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] === [2022-07-20 02:35:12,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:35:12,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1479908116, now seen corresponding path program 1 times [2022-07-20 02:35:12,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:35:12,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549701368] [2022-07-20 02:35:12,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:35:12,486 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:35:12,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:35:12,487 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) [2022-07-20 02:35:12,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-20 02:35:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:13,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:35:13,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:35:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 1836 trivial. 0 not checked. [2022-07-20 02:35:14,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:35:14,109 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:35:14,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549701368] [2022-07-20 02:35:14,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549701368] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:35:14,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:35:14,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:35:14,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349865764] [2022-07-20 02:35:14,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:35:14,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:35:14,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:35:14,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:35:14,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:35:14,111 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) [2022-07-20 02:35:16,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:35:16,462 INFO L93 Difference]: Finished difference Result 98411 states and 134876 transitions. [2022-07-20 02:35:16,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:35:16,463 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 [2022-07-20 02:35:16,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:35:16,921 INFO L225 Difference]: With dead ends: 98411 [2022-07-20 02:35:16,922 INFO L226 Difference]: Without dead ends: 60164 [2022-07-20 02:35:17,075 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 [2022-07-20 02:35:17,077 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:35:17,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3366 Valid, 10431 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 02:35:17,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60164 states. [2022-07-20 02:35:19,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60164 to 60156. [2022-07-20 02:35:19,218 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) [2022-07-20 02:35:19,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60156 states to 60156 states and 82378 transitions. [2022-07-20 02:35:19,633 INFO L78 Accepts]: Start accepts. Automaton has 60156 states and 82378 transitions. Word has length 367 [2022-07-20 02:35:19,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:35:19,634 INFO L495 AbstractCegarLoop]: Abstraction has 60156 states and 82378 transitions. [2022-07-20 02:35:19,634 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) [2022-07-20 02:35:19,634 INFO L276 IsEmpty]: Start isEmpty. Operand 60156 states and 82378 transitions. [2022-07-20 02:35:19,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-20 02:35:19,662 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:35:19,662 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] [2022-07-20 02:35:19,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-07-20 02:35:19,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:35:19,885 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] === [2022-07-20 02:35:19,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:35:19,885 INFO L85 PathProgramCache]: Analyzing trace with hash 173178619, now seen corresponding path program 1 times [2022-07-20 02:35:19,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:35:19,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433702147] [2022-07-20 02:35:19,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:35:19,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:35:19,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:35:19,888 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) [2022-07-20 02:35:19,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-20 02:35:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:21,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:35:21,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:35:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1928 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2022-07-20 02:35:21,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:35:21,428 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:35:21,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433702147] [2022-07-20 02:35:21,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1433702147] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:35:21,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:35:21,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:35:21,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696582985] [2022-07-20 02:35:21,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:35:21,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:35:21,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:35:21,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:35:21,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:35:21,429 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) [2022-07-20 02:35:24,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:35:24,785 INFO L93 Difference]: Finished difference Result 137163 states and 187848 transitions. [2022-07-20 02:35:24,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:35:24,786 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 [2022-07-20 02:35:24,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:35:25,151 INFO L225 Difference]: With dead ends: 137163 [2022-07-20 02:35:25,151 INFO L226 Difference]: Without dead ends: 77028 [2022-07-20 02:35:25,481 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 [2022-07-20 02:35:25,483 INFO L413 NwaCegarLoop]: 6532 mSDtfsCounter, 2973 mSDsluCounter, 3495 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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 [2022-07-20 02:35:25,483 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] [2022-07-20 02:35:25,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77028 states. [2022-07-20 02:35:28,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77028 to 77023. [2022-07-20 02:35:28,111 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) [2022-07-20 02:35:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77023 states to 77023 states and 105401 transitions. [2022-07-20 02:35:28,698 INFO L78 Accepts]: Start accepts. Automaton has 77023 states and 105401 transitions. Word has length 385 [2022-07-20 02:35:28,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:35:28,699 INFO L495 AbstractCegarLoop]: Abstraction has 77023 states and 105401 transitions. [2022-07-20 02:35:28,699 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) [2022-07-20 02:35:28,699 INFO L276 IsEmpty]: Start isEmpty. Operand 77023 states and 105401 transitions. [2022-07-20 02:35:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-20 02:35:28,731 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:35:28,731 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] [2022-07-20 02:35:28,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-20 02:35:28,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:35:28,948 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] === [2022-07-20 02:35:28,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:35:28,949 INFO L85 PathProgramCache]: Analyzing trace with hash 2101451321, now seen corresponding path program 1 times [2022-07-20 02:35:28,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:35:28,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088853215] [2022-07-20 02:35:28,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:35:28,950 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:35:28,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:35:28,951 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) [2022-07-20 02:35:28,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-20 02:35:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:35:30,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:35:36,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1928 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1928 trivial. 0 not checked. [2022-07-20 02:35:36,297 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:35:36,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:35:36,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088853215] [2022-07-20 02:35:36,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088853215] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:35:36,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:35:36,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:35:36,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977221827] [2022-07-20 02:35:36,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:35:36,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:35:36,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:35:36,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:35:36,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:35:36,299 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) [2022-07-20 02:35:38,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:35:38,280 INFO L93 Difference]: Finished difference Result 77059 states and 105440 transitions. [2022-07-20 02:35:38,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 02:35:38,280 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 [2022-07-20 02:35:38,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:35:38,287 INFO L225 Difference]: With dead ends: 77059 [2022-07-20 02:35:38,287 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 02:35:38,644 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 [2022-07-20 02:35:38,645 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 [2022-07-20 02:35:38,645 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] [2022-07-20 02:35:38,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 02:35:38,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 02:35:38,646 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) [2022-07-20 02:35:38,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 02:35:38,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 385 [2022-07-20 02:35:38,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:35:38,655 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 02:35:38,656 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) [2022-07-20 02:35:38,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 02:35:38,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 02:35:38,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-20 02:35:38,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-07-20 02:35:38,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-20 02:35:38,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:35:38,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.