./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.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 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:19:47,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:19:47,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:19:47,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:19:47,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:19:47,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:19:47,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:19:47,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:19:47,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:19:47,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:19:47,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:19:47,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:19:47,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:19:47,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:19:47,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:19:47,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:19:47,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:19:47,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:19:47,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:19:47,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:19:47,902 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:19:47,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:19:47,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:19:47,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:19:47,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:19:47,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:19:47,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:19:47,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:19:47,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:19:47,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:19:47,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:19:47,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:19:47,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:19:47,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:19:47,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:19:47,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:19:47,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:19:47,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:19:47,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:19:47,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:19:47,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:19:47,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:19:47,924 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:19:47,951 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:19:47,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:19:47,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:19:47,952 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:19:47,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:19:47,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:19:47,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:19:47,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:19:47,954 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:19:47,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:19:47,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:19:47,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:19:47,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:19:47,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:19:47,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:19:47,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:19:47,963 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:19:47,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:19:47,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:19:47,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:19:47,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:19:47,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:19:47,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:19:47,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:19:47,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:19:47,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:19:47,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:19:47,965 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:19:47,965 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:19:47,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:19:47,965 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa [2022-07-21 13:19:48,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:19:48,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:19:48,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:19:48,269 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:19:48,271 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:19:48,272 INFO L432 ainManager$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-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2022-07-21 13:19:48,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c16d3352/5c77413921c24c019a83ca50bb274530/FLAG9a5b53977 [2022-07-21 13:19:49,042 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:19:49,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2022-07-21 13:19:49,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c16d3352/5c77413921c24c019a83ca50bb274530/FLAG9a5b53977 [2022-07-21 13:19:49,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c16d3352/5c77413921c24c019a83ca50bb274530 [2022-07-21 13:19:49,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:19:49,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:19:49,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:19:49,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:19:49,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:19:49,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:19:49" (1/1) ... [2022-07-21 13:19:49,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12db813f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:19:49, skipping insertion in model container [2022-07-21 13:19:49,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:19:49" (1/1) ... [2022-07-21 13:19:49,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:19:49,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:19:52,643 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-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2022-07-21 13:19:52,645 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-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2022-07-21 13:19:52,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:19:52,724 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:19:52,816 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: data = (unsigned int )data & 65511U [7424] 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) [2022-07-21 13:19:52,819 INFO L158 Benchmark]: Toolchain (without parser) took 3206.61ms. Allocated memory was 62.9MB in the beginning and 140.5MB in the end (delta: 77.6MB). Free memory was 35.7MB in the beginning and 61.7MB in the end (delta: -26.1MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. [2022-07-21 13:19:52,820 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 50.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 13:19:52,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3203.72ms. Allocated memory was 62.9MB in the beginning and 140.5MB in the end (delta: 77.6MB). Free memory was 35.5MB in the beginning and 61.7MB in the end (delta: -26.2MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. [2022-07-21 13:19:52,821 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 50.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3203.72ms. Allocated memory was 62.9MB in the beginning and 140.5MB in the end (delta: 77.6MB). Free memory was 35.5MB in the beginning and 61.7MB in the end (delta: -26.2MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: data = (unsigned int )data & 65511U [7424] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: data = (unsigned int )data & 65511U [7424]: 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-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.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 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:19:54,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:19:54,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:19:54,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:19:54,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:19:54,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:19:54,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:19:54,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:19:54,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:19:54,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:19:54,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:19:54,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:19:54,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:19:54,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:19:54,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:19:54,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:19:54,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:19:54,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:19:54,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:19:54,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:19:54,592 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:19:54,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:19:54,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:19:54,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:19:54,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:19:54,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:19:54,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:19:54,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:19:54,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:19:54,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:19:54,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:19:54,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:19:54,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:19:54,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:19:54,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:19:54,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:19:54,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:19:54,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:19:54,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:19:54,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:19:54,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:19:54,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:19:54,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 13:19:54,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:19:54,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:19:54,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:19:54,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:19:54,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:19:54,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:19:54,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:19:54,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:19:54,635 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:19:54,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:19:54,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:19:54,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:19:54,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:19:54,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:19:54,645 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 13:19:54,645 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 13:19:54,645 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 13:19:54,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:19:54,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:19:54,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:19:54,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:19:54,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:19:54,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:19:54,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:19:54,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:19:54,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:19:54,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:19:54,647 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 13:19:54,647 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 13:19:54,647 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:19:54,648 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:19:54,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:19:54,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 13:19:54,648 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10bb499b72e5e53415f4b388a6311d98c8f62bfee9e49e4ef36d0afd6a3d07fa [2022-07-21 13:19:54,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:19:55,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:19:55,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:19:55,029 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:19:55,029 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:19:55,031 INFO L432 ainManager$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-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2022-07-21 13:19:55,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50ffba9a4/dab9df70d5734c6c82fe61de5b789735/FLAG0ed7759d6 [2022-07-21 13:19:55,910 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:19:55,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2022-07-21 13:19:55,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50ffba9a4/dab9df70d5734c6c82fe61de5b789735/FLAG0ed7759d6 [2022-07-21 13:19:56,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50ffba9a4/dab9df70d5734c6c82fe61de5b789735 [2022-07-21 13:19:56,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:19:56,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:19:56,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:19:56,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:19:56,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:19:56,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:19:56" (1/1) ... [2022-07-21 13:19:56,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e2a677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:19:56, skipping insertion in model container [2022-07-21 13:19:56,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:19:56" (1/1) ... [2022-07-21 13:19:56,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:19:56,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:20:01,855 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-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2022-07-21 13:20:01,858 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-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2022-07-21 13:20:01,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:20:02,012 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 13:20:02,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:20:02,611 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-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2022-07-21 13:20:02,612 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-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2022-07-21 13:20:02,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:20:02,658 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:20:03,072 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-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446625,446638] [2022-07-21 13:20:03,073 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-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446770,446783] [2022-07-21 13:20:03,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:20:03,353 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:20:03,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:20:03 WrapperNode [2022-07-21 13:20:03,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:20:03,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:20:03,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:20:03,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:20:03,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:20:03" (1/1) ... [2022-07-21 13:20:03,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:20:03" (1/1) ... [2022-07-21 13:20:03,763 INFO L137 Inliner]: procedures = 675, calls = 4743, calls flagged for inlining = 357, calls inlined = 344, statements flattened = 10213 [2022-07-21 13:20:03,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:20:03,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:20:03,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:20:03,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:20:03,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:20:03" (1/1) ... [2022-07-21 13:20:03,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:20:03" (1/1) ... [2022-07-21 13:20:03,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:20:03" (1/1) ... [2022-07-21 13:20:03,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:20:03" (1/1) ... [2022-07-21 13:20:04,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:20:03" (1/1) ... [2022-07-21 13:20:04,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:20:03" (1/1) ... [2022-07-21 13:20:04,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:20:03" (1/1) ... [2022-07-21 13:20:04,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:20:04,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:20:04,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:20:04,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:20:04,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:20:03" (1/1) ... [2022-07-21 13:20:04,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:20:04,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:20:04,205 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) [2022-07-21 13:20:04,247 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 [2022-07-21 13:20:04,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:20:04,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:20:04,260 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-21 13:20:04,260 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-21 13:20:04,260 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2022-07-21 13:20:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2022-07-21 13:20:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 13:20:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 13:20:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2022-07-21 13:20:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2022-07-21 13:20:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:20:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:20:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-21 13:20:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-21 13:20:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2022-07-21 13:20:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2022-07-21 13:20:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2022-07-21 13:20:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2022-07-21 13:20:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2022-07-21 13:20:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2022-07-21 13:20:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2022-07-21 13:20:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2022-07-21 13:20:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2022-07-21 13:20:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2022-07-21 13:20:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2022-07-21 13:20:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2022-07-21 13:20:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 13:20:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 13:20:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2022-07-21 13:20:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2022-07-21 13:20:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-21 13:20:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-21 13:20:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2022-07-21 13:20:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2022-07-21 13:20:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2022-07-21 13:20:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2022-07-21 13:20:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 13:20:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 13:20:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:20:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:20:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 13:20:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 13:20:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 13:20:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 13:20:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2022-07-21 13:20:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2022-07-21 13:20:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 13:20:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 13:20:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:20:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:20:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 13:20:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 13:20:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2022-07-21 13:20:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2022-07-21 13:20:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:20:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 13:20:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 13:20:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-21 13:20:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-21 13:20:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-21 13:20:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-21 13:20:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2022-07-21 13:20:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2022-07-21 13:20:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 13:20:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 13:20:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 13:20:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2022-07-21 13:20:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2022-07-21 13:20:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2022-07-21 13:20:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2022-07-21 13:20:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2022-07-21 13:20:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2022-07-21 13:20:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 13:20:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 13:20:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2022-07-21 13:20:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2022-07-21 13:20:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2022-07-21 13:20:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2022-07-21 13:20:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2022-07-21 13:20:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2022-07-21 13:20:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2022-07-21 13:20:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2022-07-21 13:20:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2022-07-21 13:20:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2022-07-21 13:20:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 13:20:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 13:20:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2022-07-21 13:20:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2022-07-21 13:20:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:20:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:20:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2022-07-21 13:20:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2022-07-21 13:20:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2022-07-21 13:20:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2022-07-21 13:20:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 13:20:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 13:20:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2022-07-21 13:20:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2022-07-21 13:20:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 13:20:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 13:20:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 13:20:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 13:20:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2022-07-21 13:20:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2022-07-21 13:20:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 13:20:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 13:20:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-21 13:20:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-21 13:20:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 13:20:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 13:20:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 13:20:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 13:20:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2022-07-21 13:20:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2022-07-21 13:20:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-21 13:20:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-21 13:20:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2022-07-21 13:20:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2022-07-21 13:20:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:20:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:20:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:20:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:20:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:20:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:20:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2022-07-21 13:20:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2022-07-21 13:20:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-07-21 13:20:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-07-21 13:20:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:20:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:20:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 13:20:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 13:20:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:20:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 13:20:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 13:20:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:20:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:20:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 13:20:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2022-07-21 13:20:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2022-07-21 13:20:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2022-07-21 13:20:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2022-07-21 13:20:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-21 13:20:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-21 13:20:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 13:20:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 13:20:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 13:20:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 13:20:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2022-07-21 13:20:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2022-07-21 13:20:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2022-07-21 13:20:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2022-07-21 13:20:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 13:20:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 13:20:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2022-07-21 13:20:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2022-07-21 13:20:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 13:20:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 13:20:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-21 13:20:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-21 13:20:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 13:20:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-21 13:20:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-21 13:20:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2022-07-21 13:20:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2022-07-21 13:20:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-21 13:20:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-21 13:20:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-21 13:20:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-21 13:20:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:20:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:20:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2022-07-21 13:20:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2022-07-21 13:20:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 13:20:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2022-07-21 13:20:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2022-07-21 13:20:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 13:20:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 13:20:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2022-07-21 13:20:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2022-07-21 13:20:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 13:20:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 13:20:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:20:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:20:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:20:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2022-07-21 13:20:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2022-07-21 13:20:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2022-07-21 13:20:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2022-07-21 13:20:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2022-07-21 13:20:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2022-07-21 13:20:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2022-07-21 13:20:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2022-07-21 13:20:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2022-07-21 13:20:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2022-07-21 13:20:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2022-07-21 13:20:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2022-07-21 13:20:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2022-07-21 13:20:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2022-07-21 13:20:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 13:20:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 13:20:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2022-07-21 13:20:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2022-07-21 13:20:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 13:20:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 13:20:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2022-07-21 13:20:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2022-07-21 13:20:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 13:20:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 13:20:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-21 13:20:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-21 13:20:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2022-07-21 13:20:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2022-07-21 13:20:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2022-07-21 13:20:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2022-07-21 13:20:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2022-07-21 13:20:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2022-07-21 13:20:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:20:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:20:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2022-07-21 13:20:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2022-07-21 13:20:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 13:20:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 13:20:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-21 13:20:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-21 13:20:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2022-07-21 13:20:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2022-07-21 13:20:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2022-07-21 13:20:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2022-07-21 13:20:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 13:20:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 13:20:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:20:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 13:20:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 13:20:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 13:20:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 13:20:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2022-07-21 13:20:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2022-07-21 13:20:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:20:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2022-07-21 13:20:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2022-07-21 13:20:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-21 13:20:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-21 13:20:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2022-07-21 13:20:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2022-07-21 13:20:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-21 13:20:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-21 13:20:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 13:20:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 13:20:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2022-07-21 13:20:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2022-07-21 13:20:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 13:20:04,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2022-07-21 13:20:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2022-07-21 13:20:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 13:20:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:20:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2022-07-21 13:20:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2022-07-21 13:20:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 13:20:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 13:20:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 13:20:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 13:20:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 13:20:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 13:20:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:20:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:20:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 13:20:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 13:20:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2022-07-21 13:20:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2022-07-21 13:20:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 13:20:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 13:20:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2022-07-21 13:20:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2022-07-21 13:20:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2022-07-21 13:20:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2022-07-21 13:20:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2022-07-21 13:20:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2022-07-21 13:20:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2022-07-21 13:20:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2022-07-21 13:20:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 13:20:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 13:20:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2022-07-21 13:20:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2022-07-21 13:20:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:20:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:20:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2022-07-21 13:20:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2022-07-21 13:20:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 13:20:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 13:20:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2022-07-21 13:20:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2022-07-21 13:20:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 13:20:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 13:20:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2022-07-21 13:20:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2022-07-21 13:20:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2022-07-21 13:20:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2022-07-21 13:20:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2022-07-21 13:20:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2022-07-21 13:20:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-21 13:20:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-21 13:20:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 13:20:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2022-07-21 13:20:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:20:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2022-07-21 13:20:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2022-07-21 13:20:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2022-07-21 13:20:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2022-07-21 13:20:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2022-07-21 13:20:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2022-07-21 13:20:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 13:20:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2022-07-21 13:20:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2022-07-21 13:20:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2022-07-21 13:20:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2022-07-21 13:20:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2022-07-21 13:20:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2022-07-21 13:20:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2022-07-21 13:20:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2022-07-21 13:20:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2022-07-21 13:20:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2022-07-21 13:20:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2022-07-21 13:20:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-21 13:20:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-21 13:20:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2022-07-21 13:20:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2022-07-21 13:20:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2022-07-21 13:20:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2022-07-21 13:20:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2022-07-21 13:20:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2022-07-21 13:20:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2022-07-21 13:20:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2022-07-21 13:20:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:20:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:20:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 13:20:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 13:20:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2022-07-21 13:20:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2022-07-21 13:20:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2022-07-21 13:20:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2022-07-21 13:20:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2022-07-21 13:20:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2022-07-21 13:20:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-21 13:20:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-21 13:20:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 13:20:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 13:20:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2022-07-21 13:20:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2022-07-21 13:20:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:20:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:20:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2022-07-21 13:20:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2022-07-21 13:20:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-21 13:20:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-21 13:20:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2022-07-21 13:20:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2022-07-21 13:20:05,416 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:20:05,419 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:20:08,597 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:22:16,593 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 13:22:17,111 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:22:17,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:22:17,137 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-21 13:22:17,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:22:17 BoogieIcfgContainer [2022-07-21 13:22:17,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:22:17,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:22:17,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:22:17,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:22:17,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:19:56" (1/3) ... [2022-07-21 13:22:17,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b831b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:22:17, skipping insertion in model container [2022-07-21 13:22:17,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:20:03" (2/3) ... [2022-07-21 13:22:17,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b831b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:22:17, skipping insertion in model container [2022-07-21 13:22:17,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:22:17" (3/3) ... [2022-07-21 13:22:17,150 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2022-07-21 13:22:17,161 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:22:17,161 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 13:22:17,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:22:17,259 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@2288231e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3e397787 [2022-07-21 13:22:17,259 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 13:22:17,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 3186 states, 2250 states have (on average 1.2915555555555556) internal successors, (2906), 2315 states have internal predecessors, (2906), 769 states have call successors, (769), 171 states have call predecessors, (769), 170 states have return successors, (763), 750 states have call predecessors, (763), 763 states have call successors, (763) [2022-07-21 13:22:17,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-21 13:22:17,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:22:17,306 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:22:17,306 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:22:17,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:22:17,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1504166602, now seen corresponding path program 1 times [2022-07-21 13:22:17,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:22:17,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204631238] [2022-07-21 13:22:17,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:22:17,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:22:17,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:22:17,355 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) [2022-07-21 13:22:17,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 13:22:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:22:19,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 2629 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:22:19,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:22:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2022-07-21 13:22:20,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:22:20,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:22:20,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204631238] [2022-07-21 13:22:20,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204631238] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:22:20,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:22:20,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:22:20,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779598144] [2022-07-21 13:22:20,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:22:20,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:22:20,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:22:20,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:22:20,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:22:20,303 INFO L87 Difference]: Start difference. First operand has 3186 states, 2250 states have (on average 1.2915555555555556) internal successors, (2906), 2315 states have internal predecessors, (2906), 769 states have call successors, (769), 171 states have call predecessors, (769), 170 states have return successors, (763), 750 states have call predecessors, (763), 763 states have call successors, (763) Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 13:22:23,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:22:23,268 INFO L93 Difference]: Finished difference Result 8760 states and 12237 transitions. [2022-07-21 13:22:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:22:23,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 276 [2022-07-21 13:22:23,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:22:23,348 INFO L225 Difference]: With dead ends: 8760 [2022-07-21 13:22:23,349 INFO L226 Difference]: Without dead ends: 5541 [2022-07-21 13:22:23,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:22:23,373 INFO L413 NwaCegarLoop]: 5002 mSDtfsCounter, 3342 mSDsluCounter, 4293 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3342 SdHoareTripleChecker+Valid, 9295 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:22:23,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3342 Valid, 9295 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 13:22:23,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5541 states. [2022-07-21 13:22:23,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5541 to 5537. [2022-07-21 13:22:23,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5537 states, 3915 states have (on average 1.284035759897829) internal successors, (5027), 4030 states have internal predecessors, (5027), 1295 states have call successors, (1295), 326 states have call predecessors, (1295), 326 states have return successors, (1300), 1268 states have call predecessors, (1300), 1295 states have call successors, (1300) [2022-07-21 13:22:23,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5537 states to 5537 states and 7622 transitions. [2022-07-21 13:22:23,739 INFO L78 Accepts]: Start accepts. Automaton has 5537 states and 7622 transitions. Word has length 276 [2022-07-21 13:22:23,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:22:23,742 INFO L495 AbstractCegarLoop]: Abstraction has 5537 states and 7622 transitions. [2022-07-21 13:22:23,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 13:22:23,743 INFO L276 IsEmpty]: Start isEmpty. Operand 5537 states and 7622 transitions. [2022-07-21 13:22:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-21 13:22:23,754 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:22:23,755 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:22:23,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 13:22:23,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:22:23,983 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:22:23,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:22:23,984 INFO L85 PathProgramCache]: Analyzing trace with hash 514018415, now seen corresponding path program 1 times [2022-07-21 13:22:23,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:22:23,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120860923] [2022-07-21 13:22:23,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:22:23,986 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:22:23,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:22:23,988 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) [2022-07-21 13:22:24,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 13:22:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:22:26,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 2750 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:22:26,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:22:27,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2022-07-21 13:22:27,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:22:27,337 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:22:27,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120860923] [2022-07-21 13:22:27,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120860923] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:22:27,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:22:27,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:22:27,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382417459] [2022-07-21 13:22:27,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:22:27,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:22:27,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:22:27,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:22:27,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:22:27,340 INFO L87 Difference]: Start difference. First operand 5537 states and 7622 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-21 13:22:29,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:22:29,218 INFO L93 Difference]: Finished difference Result 14920 states and 20464 transitions. [2022-07-21 13:22:29,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:22:29,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 285 [2022-07-21 13:22:29,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:22:29,282 INFO L225 Difference]: With dead ends: 14920 [2022-07-21 13:22:29,282 INFO L226 Difference]: Without dead ends: 9426 [2022-07-21 13:22:29,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:22:29,315 INFO L413 NwaCegarLoop]: 5896 mSDtfsCounter, 3276 mSDsluCounter, 4283 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3276 SdHoareTripleChecker+Valid, 10179 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:22:29,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3276 Valid, 10179 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-21 13:22:29,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9426 states. [2022-07-21 13:22:29,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9426 to 9422. [2022-07-21 13:22:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9422 states, 6674 states have (on average 1.2822894815702728) internal successors, (8558), 6864 states have internal predecessors, (8558), 2153 states have call successors, (2153), 594 states have call predecessors, (2153), 594 states have return successors, (2158), 2116 states have call predecessors, (2158), 2153 states have call successors, (2158) [2022-07-21 13:22:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9422 states to 9422 states and 12869 transitions. [2022-07-21 13:22:29,554 INFO L78 Accepts]: Start accepts. Automaton has 9422 states and 12869 transitions. Word has length 285 [2022-07-21 13:22:29,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:22:29,555 INFO L495 AbstractCegarLoop]: Abstraction has 9422 states and 12869 transitions. [2022-07-21 13:22:29,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-21 13:22:29,556 INFO L276 IsEmpty]: Start isEmpty. Operand 9422 states and 12869 transitions. [2022-07-21 13:22:29,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-21 13:22:29,562 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:22:29,562 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:22:29,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-21 13:22:29,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:22:29,784 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:22:29,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:22:29,784 INFO L85 PathProgramCache]: Analyzing trace with hash -172185043, now seen corresponding path program 1 times [2022-07-21 13:22:29,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:22:29,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626799591] [2022-07-21 13:22:29,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:22:29,787 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:22:29,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:22:29,789 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) [2022-07-21 13:22:29,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 13:22:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:22:32,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 3165 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:22:32,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:22:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 1542 trivial. 0 not checked. [2022-07-21 13:22:33,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:22:33,127 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:22:33,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626799591] [2022-07-21 13:22:33,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626799591] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:22:33,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:22:33,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:22:33,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686477162] [2022-07-21 13:22:33,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:22:33,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:22:33,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:22:33,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:22:33,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:22:33,129 INFO L87 Difference]: Start difference. First operand 9422 states and 12869 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-21 13:22:33,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:22:33,978 INFO L93 Difference]: Finished difference Result 26735 states and 36507 transitions. [2022-07-21 13:22:33,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:22:33,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 306 [2022-07-21 13:22:33,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:22:34,084 INFO L225 Difference]: With dead ends: 26735 [2022-07-21 13:22:34,085 INFO L226 Difference]: Without dead ends: 17356 [2022-07-21 13:22:34,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:22:34,121 INFO L413 NwaCegarLoop]: 6157 mSDtfsCounter, 4164 mSDsluCounter, 4324 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4164 SdHoareTripleChecker+Valid, 10481 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:22:34,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4164 Valid, 10481 Invalid, 11 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 13:22:34,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17356 states. [2022-07-21 13:22:34,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17356 to 17342. [2022-07-21 13:22:34,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17342 states, 12279 states have (on average 1.2804788663571953) internal successors, (15723), 12629 states have internal predecessors, (15723), 3957 states have call successors, (3957), 1101 states have call predecessors, (3957), 1105 states have return successors, (3999), 3883 states have call predecessors, (3999), 3957 states have call successors, (3999) [2022-07-21 13:22:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17342 states to 17342 states and 23679 transitions. [2022-07-21 13:22:34,546 INFO L78 Accepts]: Start accepts. Automaton has 17342 states and 23679 transitions. Word has length 306 [2022-07-21 13:22:34,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:22:34,547 INFO L495 AbstractCegarLoop]: Abstraction has 17342 states and 23679 transitions. [2022-07-21 13:22:34,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-21 13:22:34,548 INFO L276 IsEmpty]: Start isEmpty. Operand 17342 states and 23679 transitions. [2022-07-21 13:22:34,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-07-21 13:22:34,558 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:22:34,559 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:22:34,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 13:22:34,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:22:34,776 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:22:34,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:22:34,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1134436215, now seen corresponding path program 1 times [2022-07-21 13:22:34,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:22:34,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096414388] [2022-07-21 13:22:34,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:22:34,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:22:34,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:22:34,780 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) [2022-07-21 13:22:34,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 13:22:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:22:37,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:22:37,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:22:37,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1666 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 1542 trivial. 0 not checked. [2022-07-21 13:22:37,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:22:37,960 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:22:37,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096414388] [2022-07-21 13:22:37,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1096414388] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:22:37,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:22:37,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:22:37,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794004698] [2022-07-21 13:22:37,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:22:37,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:22:37,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:22:37,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:22:37,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:22:37,961 INFO L87 Difference]: Start difference. First operand 17342 states and 23679 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, (34), 3 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-21 13:22:38,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:22:38,917 INFO L93 Difference]: Finished difference Result 51880 states and 70845 transitions. [2022-07-21 13:22:38,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:22:38,917 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, (34), 3 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 329 [2022-07-21 13:22:38,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:22:39,058 INFO L225 Difference]: With dead ends: 51880 [2022-07-21 13:22:39,058 INFO L226 Difference]: Without dead ends: 34581 [2022-07-21 13:22:39,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:22:39,133 INFO L413 NwaCegarLoop]: 6220 mSDtfsCounter, 4249 mSDsluCounter, 4323 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4249 SdHoareTripleChecker+Valid, 10543 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:22:39,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4249 Valid, 10543 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 13:22:39,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34581 states. [2022-07-21 13:22:39,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34581 to 34563. [2022-07-21 13:22:40,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34563 states, 24465 states have (on average 1.280564071122011) internal successors, (31329), 25177 states have internal predecessors, (31329), 7887 states have call successors, (7887), 2202 states have call predecessors, (7887), 2210 states have return successors, (7971), 7727 states have call predecessors, (7971), 7887 states have call successors, (7971) [2022-07-21 13:22:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34563 states to 34563 states and 47187 transitions. [2022-07-21 13:22:40,144 INFO L78 Accepts]: Start accepts. Automaton has 34563 states and 47187 transitions. Word has length 329 [2022-07-21 13:22:40,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:22:40,147 INFO L495 AbstractCegarLoop]: Abstraction has 34563 states and 47187 transitions. [2022-07-21 13:22:40,147 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, (34), 3 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-21 13:22:40,148 INFO L276 IsEmpty]: Start isEmpty. Operand 34563 states and 47187 transitions. [2022-07-21 13:22:40,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-07-21 13:22:40,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:22:40,164 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 19, 19, 19, 19, 19, 19, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:22:40,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-21 13:22:40,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:22:40,384 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:22:40,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:22:40,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1435076071, now seen corresponding path program 1 times [2022-07-21 13:22:40,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:22:40,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390426906] [2022-07-21 13:22:40,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:22:40,387 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:22:40,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:22:40,400 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) [2022-07-21 13:22:40,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 13:22:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:22:42,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 3224 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:22:42,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:22:43,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 1556 trivial. 0 not checked. [2022-07-21 13:22:43,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:22:43,403 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:22:43,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390426906] [2022-07-21 13:22:43,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1390426906] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:22:43,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:22:43,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:22:43,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107345807] [2022-07-21 13:22:43,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:22:43,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:22:43,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:22:43,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:22:43,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:22:43,406 INFO L87 Difference]: Start difference. First operand 34563 states and 47187 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-21 13:22:44,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:22:44,934 INFO L93 Difference]: Finished difference Result 69558 states and 94847 transitions. [2022-07-21 13:22:44,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:22:44,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 344 [2022-07-21 13:22:44,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:22:45,080 INFO L225 Difference]: With dead ends: 69558 [2022-07-21 13:22:45,081 INFO L226 Difference]: Without dead ends: 35038 [2022-07-21 13:22:45,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:22:45,330 INFO L413 NwaCegarLoop]: 4412 mSDtfsCounter, 442 mSDsluCounter, 4287 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 8699 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:22:45,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 8699 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 13:22:45,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35038 states. [2022-07-21 13:22:46,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35038 to 35038. [2022-07-21 13:22:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35038 states, 24803 states have (on average 1.279038825948474) internal successors, (31724), 25522 states have internal predecessors, (31724), 7955 states have call successors, (7955), 2271 states have call predecessors, (7955), 2279 states have return successors, (8039), 7795 states have call predecessors, (8039), 7955 states have call successors, (8039) [2022-07-21 13:22:46,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35038 states to 35038 states and 47718 transitions. [2022-07-21 13:22:46,345 INFO L78 Accepts]: Start accepts. Automaton has 35038 states and 47718 transitions. Word has length 344 [2022-07-21 13:22:46,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:22:46,346 INFO L495 AbstractCegarLoop]: Abstraction has 35038 states and 47718 transitions. [2022-07-21 13:22:46,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-21 13:22:46,346 INFO L276 IsEmpty]: Start isEmpty. Operand 35038 states and 47718 transitions. [2022-07-21 13:22:46,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-07-21 13:22:46,359 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:22:46,360 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 20, 20, 20, 20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:22:46,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 13:22:46,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:22:46,579 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:22:46,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:22:46,580 INFO L85 PathProgramCache]: Analyzing trace with hash -696615606, now seen corresponding path program 1 times [2022-07-21 13:22:46,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:22:46,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537859518] [2022-07-21 13:22:46,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:22:46,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:22:46,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:22:46,584 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) [2022-07-21 13:22:46,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 13:22:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:22:48,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 2892 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:22:48,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:22:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 1671 trivial. 0 not checked. [2022-07-21 13:22:51,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:22:51,075 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:22:51,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537859518] [2022-07-21 13:22:51,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [537859518] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:22:51,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:22:51,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:22:51,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449671862] [2022-07-21 13:22:51,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:22:51,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:22:51,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:22:51,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:22:51,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:22:51,076 INFO L87 Difference]: Start difference. First operand 35038 states and 47718 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-21 13:22:53,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:22:53,863 INFO L93 Difference]: Finished difference Result 82686 states and 112518 transitions. [2022-07-21 13:22:53,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:22:53,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 349 [2022-07-21 13:22:53,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:22:54,035 INFO L225 Difference]: With dead ends: 82686 [2022-07-21 13:22:54,035 INFO L226 Difference]: Without dead ends: 48014 [2022-07-21 13:22:54,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:22:54,138 INFO L413 NwaCegarLoop]: 6471 mSDtfsCounter, 3262 mSDsluCounter, 4272 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 10743 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:22:54,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 10743 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-21 13:22:54,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48014 states. [2022-07-21 13:22:55,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48014 to 48004. [2022-07-21 13:22:55,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48004 states, 33969 states have (on average 1.2775766139715623) internal successors, (43398), 34950 states have internal predecessors, (43398), 10823 states have call successors, (10823), 3195 states have call predecessors, (10823), 3211 states have return successors, (10923), 10621 states have call predecessors, (10923), 10823 states have call successors, (10923) [2022-07-21 13:22:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48004 states to 48004 states and 65144 transitions. [2022-07-21 13:22:56,202 INFO L78 Accepts]: Start accepts. Automaton has 48004 states and 65144 transitions. Word has length 349 [2022-07-21 13:22:56,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:22:56,203 INFO L495 AbstractCegarLoop]: Abstraction has 48004 states and 65144 transitions. [2022-07-21 13:22:56,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-21 13:22:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 48004 states and 65144 transitions. [2022-07-21 13:22:56,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-21 13:22:56,227 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:22:56,227 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 19, 19, 19, 19, 19, 19, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:22:56,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 13:22:56,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:22:56,456 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:22:56,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:22:56,456 INFO L85 PathProgramCache]: Analyzing trace with hash 692235245, now seen corresponding path program 1 times [2022-07-21 13:22:56,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:22:56,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604356123] [2022-07-21 13:22:56,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:22:56,459 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:22:56,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:22:56,460 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) [2022-07-21 13:22:56,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 13:22:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:22:59,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 3352 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:22:59,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:22:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 1748 trivial. 0 not checked. [2022-07-21 13:22:59,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:22:59,738 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:22:59,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604356123] [2022-07-21 13:22:59,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604356123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:22:59,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:22:59,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:22:59,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980527002] [2022-07-21 13:22:59,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:22:59,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:22:59,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:22:59,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:22:59,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:22:59,740 INFO L87 Difference]: Start difference. First operand 48004 states and 65144 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-21 13:23:02,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:23:02,315 INFO L93 Difference]: Finished difference Result 142200 states and 193094 transitions. [2022-07-21 13:23:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:23:02,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 403 [2022-07-21 13:23:02,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:23:02,700 INFO L225 Difference]: With dead ends: 142200 [2022-07-21 13:23:02,701 INFO L226 Difference]: Without dead ends: 94562 [2022-07-21 13:23:02,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:23:02,952 INFO L413 NwaCegarLoop]: 6528 mSDtfsCounter, 4213 mSDsluCounter, 4313 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4213 SdHoareTripleChecker+Valid, 10841 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:23:02,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4213 Valid, 10841 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 13:23:03,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94562 states. [2022-07-21 13:23:05,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94562 to 94560. [2022-07-21 13:23:05,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94560 states, 66959 states have (on average 1.2782747651547963) internal successors, (85592), 68874 states have internal predecessors, (85592), 21279 states have call successors, (21279), 6289 states have call predecessors, (21279), 6321 states have return successors, (21479), 20915 states have call predecessors, (21479), 21279 states have call successors, (21479) [2022-07-21 13:23:05,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94560 states to 94560 states and 128350 transitions. [2022-07-21 13:23:05,639 INFO L78 Accepts]: Start accepts. Automaton has 94560 states and 128350 transitions. Word has length 403 [2022-07-21 13:23:05,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:23:05,639 INFO L495 AbstractCegarLoop]: Abstraction has 94560 states and 128350 transitions. [2022-07-21 13:23:05,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-21 13:23:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 94560 states and 128350 transitions. [2022-07-21 13:23:05,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-07-21 13:23:05,667 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:23:05,667 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 19, 19, 19, 19, 19, 19, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:23:05,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 13:23:05,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:23:05,884 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:23:05,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:23:05,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1215158249, now seen corresponding path program 1 times [2022-07-21 13:23:05,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:23:05,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451475962] [2022-07-21 13:23:05,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:23:05,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:23:05,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:23:05,891 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) [2022-07-21 13:23:05,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 13:23:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:23:08,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 3349 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:23:08,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:23:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 1748 trivial. 0 not checked. [2022-07-21 13:23:09,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:23:09,093 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:23:09,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [451475962] [2022-07-21 13:23:09,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [451475962] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:23:09,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:23:09,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:23:09,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579821520] [2022-07-21 13:23:09,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:23:09,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:23:09,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:23:09,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:23:09,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:23:09,095 INFO L87 Difference]: Start difference. First operand 94560 states and 128350 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-21 13:23:12,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:23:12,683 INFO L93 Difference]: Finished difference Result 235336 states and 319530 transitions. [2022-07-21 13:23:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:23:12,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 400 [2022-07-21 13:23:12,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:23:13,580 INFO L225 Difference]: With dead ends: 235336 [2022-07-21 13:23:13,582 INFO L226 Difference]: Without dead ends: 139968 [2022-07-21 13:23:13,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:23:13,825 INFO L413 NwaCegarLoop]: 8551 mSDtfsCounter, 4208 mSDsluCounter, 4318 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4208 SdHoareTripleChecker+Valid, 12869 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:23:13,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4208 Valid, 12869 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 13:23:13,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139968 states. [2022-07-21 13:23:17,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139968 to 139966. [2022-07-21 13:23:17,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139966 states, 99103 states have (on average 1.2788109340786857) internal successors, (126734), 101928 states have internal predecessors, (126734), 31519 states have call successors, (31519), 9299 states have call predecessors, (31519), 9343 states have return successors, (31812), 30992 states have call predecessors, (31812), 31516 states have call successors, (31812) [2022-07-21 13:23:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139966 states to 139966 states and 190065 transitions. [2022-07-21 13:23:18,368 INFO L78 Accepts]: Start accepts. Automaton has 139966 states and 190065 transitions. Word has length 400 [2022-07-21 13:23:18,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:23:18,369 INFO L495 AbstractCegarLoop]: Abstraction has 139966 states and 190065 transitions. [2022-07-21 13:23:18,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-21 13:23:18,369 INFO L276 IsEmpty]: Start isEmpty. Operand 139966 states and 190065 transitions. [2022-07-21 13:23:18,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-07-21 13:23:18,401 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:23:18,401 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 20, 20, 20, 20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:23:18,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-21 13:23:18,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:23:18,616 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:23:18,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:23:18,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1348666974, now seen corresponding path program 1 times [2022-07-21 13:23:18,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:23:18,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1758062371] [2022-07-21 13:23:18,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:23:18,619 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:23:18,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:23:18,620 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) [2022-07-21 13:23:18,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 13:23:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:23:21,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 3032 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:23:21,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:23:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 1980 trivial. 0 not checked. [2022-07-21 13:23:22,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:23:22,367 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:23:22,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1758062371] [2022-07-21 13:23:22,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1758062371] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:23:22,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:23:22,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:23:22,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424656550] [2022-07-21 13:23:22,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:23:22,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:23:22,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:23:22,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:23:22,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:23:22,369 INFO L87 Difference]: Start difference. First operand 139966 states and 190065 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-21 13:23:28,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:23:28,329 INFO L93 Difference]: Finished difference Result 317569 states and 431009 transitions. [2022-07-21 13:23:28,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:23:28,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 423 [2022-07-21 13:23:28,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:23:29,459 INFO L225 Difference]: With dead ends: 317569 [2022-07-21 13:23:29,459 INFO L226 Difference]: Without dead ends: 176971 [2022-07-21 13:23:30,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:23:30,218 INFO L413 NwaCegarLoop]: 7618 mSDtfsCounter, 3277 mSDsluCounter, 4279 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3277 SdHoareTripleChecker+Valid, 11897 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:23:30,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3277 Valid, 11897 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-21 13:23:30,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176971 states. [2022-07-21 13:23:34,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176971 to 176961. [2022-07-21 13:23:35,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176961 states, 125283 states have (on average 1.2781861864738233) internal successors, (160135), 128838 states have internal predecessors, (160135), 39681 states have call successors, (39681), 11932 states have call predecessors, (39681), 11996 states have return successors, (40015), 39059 states have call predecessors, (40015), 39675 states have call successors, (40015) [2022-07-21 13:23:35,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176961 states to 176961 states and 239831 transitions. [2022-07-21 13:23:35,670 INFO L78 Accepts]: Start accepts. Automaton has 176961 states and 239831 transitions. Word has length 423 [2022-07-21 13:23:35,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:23:35,671 INFO L495 AbstractCegarLoop]: Abstraction has 176961 states and 239831 transitions. [2022-07-21 13:23:35,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-21 13:23:35,671 INFO L276 IsEmpty]: Start isEmpty. Operand 176961 states and 239831 transitions. [2022-07-21 13:23:35,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-07-21 13:23:35,693 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:23:35,693 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 20, 20, 20, 20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:23:35,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 13:23:35,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:23:35,920 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:23:35,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:23:35,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1035257764, now seen corresponding path program 1 times [2022-07-21 13:23:35,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:23:35,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258444434] [2022-07-21 13:23:35,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:23:35,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:23:35,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:23:35,924 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) [2022-07-21 13:23:35,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 13:23:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:23:38,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 3032 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 13:23:38,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:23:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 2108 trivial. 0 not checked. [2022-07-21 13:23:39,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:23:39,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:23:39,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [258444434] [2022-07-21 13:23:39,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [258444434] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:23:39,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:23:39,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:23:39,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177746346] [2022-07-21 13:23:39,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:23:39,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:23:39,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:23:39,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:23:39,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:23:39,372 INFO L87 Difference]: Start difference. First operand 176961 states and 239831 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38)