./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-jme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:45:12,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:45:12,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:45:12,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:45:12,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:45:12,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:45:12,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:45:12,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:45:12,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:45:12,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:45:12,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:45:12,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:45:12,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:45:12,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:45:12,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:45:12,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:45:12,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:45:12,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:45:12,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:45:12,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:45:12,830 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:45:12,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:45:12,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:45:12,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:45:12,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:45:12,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:45:12,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:45:12,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:45:12,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:45:12,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:45:12,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:45:12,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:45:12,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:45:12,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:45:12,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:45:12,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:45:12,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:45:12,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:45:12,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:45:12,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:45:12,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:45:12,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:45:12,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:45:12,870 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:45:12,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:45:12,870 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:45:12,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:45:12,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:45:12,871 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:45:12,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:45:12,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:45:12,872 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:45:12,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:45:12,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:45:12,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:45:12,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:45:12,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:45:12,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:45:12,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:45:12,874 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:45:12,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:45:12,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:45:12,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:45:12,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:45:12,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:45:12,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:45:12,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:45:12,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:45:12,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:45:12,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:45:12,876 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:45:12,876 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:45:12,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:45:12,877 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e [2022-07-12 14:45:13,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:45:13,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:45:13,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:45:13,090 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:45:13,091 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:45:13,092 INFO L432 ainManager$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-jme.cil.i [2022-07-12 14:45:13,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6f277412/13ec05a94c0749e8bb39031209ce71cf/FLAG5b25c7374 [2022-07-12 14:45:13,774 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:45:13,774 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-jme.cil.i [2022-07-12 14:45:13,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6f277412/13ec05a94c0749e8bb39031209ce71cf/FLAG5b25c7374 [2022-07-12 14:45:14,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6f277412/13ec05a94c0749e8bb39031209ce71cf [2022-07-12 14:45:14,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:45:14,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:45:14,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:45:14,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:45:14,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:45:14,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:45:14" (1/1) ... [2022-07-12 14:45:14,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad4c871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:14, skipping insertion in model container [2022-07-12 14:45:14,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:45:14" (1/1) ... [2022-07-12 14:45:14,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:45:14,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:45:17,034 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-jme.cil.i[466142,466155] [2022-07-12 14:45:17,036 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-jme.cil.i[466287,466300] [2022-07-12 14:45:17,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:45:17,096 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:45:17,271 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10145] 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) [2022-07-12 14:45:17,279 INFO L158 Benchmark]: Toolchain (without parser) took 3110.59ms. Allocated memory was 121.6MB in the beginning and 195.0MB in the end (delta: 73.4MB). Free memory was 91.1MB in the beginning and 98.9MB in the end (delta: -7.8MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2022-07-12 14:45:17,280 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 14:45:17,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3106.12ms. Allocated memory was 121.6MB in the beginning and 195.0MB in the end (delta: 73.4MB). Free memory was 90.6MB in the beginning and 98.9MB in the end (delta: -8.3MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2022-07-12 14:45:17,282 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3106.12ms. Allocated memory was 121.6MB in the beginning and 195.0MB in the end (delta: 73.4MB). Free memory was 90.6MB in the beginning and 98.9MB in the end (delta: -8.3MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10145] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10145]: 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-jme.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:45:18,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:45:18,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:45:18,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:45:18,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:45:18,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:45:18,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:45:18,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:45:18,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:45:18,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:45:18,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:45:18,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:45:18,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:45:18,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:45:18,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:45:18,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:45:18,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:45:18,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:45:18,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:45:18,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:45:18,692 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:45:18,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:45:18,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:45:18,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:45:18,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:45:18,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:45:18,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:45:18,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:45:18,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:45:18,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:45:18,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:45:18,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:45:18,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:45:18,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:45:18,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:45:18,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:45:18,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:45:18,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:45:18,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:45:18,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:45:18,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:45:18,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:45:18,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 14:45:18,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:45:18,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:45:18,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:45:18,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:45:18,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:45:18,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:45:18,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:45:18,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:45:18,733 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:45:18,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:45:18,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:45:18,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:45:18,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:45:18,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:45:18,734 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 14:45:18,734 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 14:45:18,741 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 14:45:18,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:45:18,742 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:45:18,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:45:18,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:45:18,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:45:18,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:45:18,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:45:18,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:45:18,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:45:18,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:45:18,743 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 14:45:18,743 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 14:45:18,744 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:45:18,744 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:45:18,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:45:18,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 14:45:18,744 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e [2022-07-12 14:45:18,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:45:18,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:45:18,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:45:18,980 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:45:18,982 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:45:18,982 INFO L432 ainManager$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-jme.cil.i [2022-07-12 14:45:19,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac408ef01/e95dabfb1f744f0da3a593dbdd750529/FLAG458cdf3b8 [2022-07-12 14:45:19,724 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:45:19,725 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-jme.cil.i [2022-07-12 14:45:19,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac408ef01/e95dabfb1f744f0da3a593dbdd750529/FLAG458cdf3b8 [2022-07-12 14:45:19,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac408ef01/e95dabfb1f744f0da3a593dbdd750529 [2022-07-12 14:45:19,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:45:19,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:45:19,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:45:19,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:45:19,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:45:19,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:45:19" (1/1) ... [2022-07-12 14:45:19,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24794688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:19, skipping insertion in model container [2022-07-12 14:45:19,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:45:19" (1/1) ... [2022-07-12 14:45:19,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:45:19,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:45:22,763 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-jme.cil.i[466142,466155] [2022-07-12 14:45:22,765 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-jme.cil.i[466287,466300] [2022-07-12 14:45:22,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:45:22,871 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 14:45:22,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:45:23,198 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-jme.cil.i[466142,466155] [2022-07-12 14:45:23,205 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-jme.cil.i[466287,466300] [2022-07-12 14:45:23,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:45:23,252 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:45:23,617 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-jme.cil.i[466142,466155] [2022-07-12 14:45:23,617 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-jme.cil.i[466287,466300] [2022-07-12 14:45:23,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:45:23,828 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:45:23,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:23 WrapperNode [2022-07-12 14:45:23,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:45:23,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:45:23,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:45:23,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:45:23,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:23" (1/1) ... [2022-07-12 14:45:23,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:23" (1/1) ... [2022-07-12 14:45:24,071 INFO L137 Inliner]: procedures = 675, calls = 3046, calls flagged for inlining = 319, calls inlined = 257, statements flattened = 5916 [2022-07-12 14:45:24,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:45:24,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:45:24,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:45:24,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:45:24,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:23" (1/1) ... [2022-07-12 14:45:24,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:23" (1/1) ... [2022-07-12 14:45:24,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:23" (1/1) ... [2022-07-12 14:45:24,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:23" (1/1) ... [2022-07-12 14:45:24,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:23" (1/1) ... [2022-07-12 14:45:24,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:23" (1/1) ... [2022-07-12 14:45:24,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:23" (1/1) ... [2022-07-12 14:45:24,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:45:24,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:45:24,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:45:24,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:45:24,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:23" (1/1) ... [2022-07-12 14:45:24,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:45:24,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:45:24,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 14:45:24,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 14:45:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 14:45:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 14:45:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-12 14:45:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-12 14:45:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-12 14:45:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-12 14:45:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 14:45:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 14:45:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-07-12 14:45:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-07-12 14:45:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:45:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:45:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-07-12 14:45:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-07-12 14:45:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-12 14:45:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-12 14:45:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-07-12 14:45:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-07-12 14:45:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 14:45:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 14:45:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:45:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:45:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-07-12 14:45:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-07-12 14:45:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-07-12 14:45:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-07-12 14:45:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-12 14:45:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-12 14:45:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 14:45:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 14:45:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 14:45:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 14:45:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 14:45:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 14:45:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-07-12 14:45:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-07-12 14:45:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 14:45:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 14:45:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-07-12 14:45:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-07-12 14:45:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-07-12 14:45:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-07-12 14:45:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 14:45:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 14:45:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 14:45:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 14:45:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 14:45:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 14:45:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 14:45:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 14:45:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 14:45:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 14:45:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-12 14:45:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 14:45:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 14:45:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:45:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:45:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-12 14:45:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-12 14:45:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:45:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 14:45:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 14:45:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-07-12 14:45:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-07-12 14:45:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-12 14:45:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-12 14:45:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 14:45:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 14:45:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 14:45:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-12 14:45:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 14:45:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 14:45:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-07-12 14:45:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-07-12 14:45:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 14:45:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 14:45:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-12 14:45:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-12 14:45:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-07-12 14:45:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-07-12 14:45:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 14:45:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 14:45:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 14:45:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 14:45:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 14:45:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 14:45:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-07-12 14:45:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-07-12 14:45:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 14:45:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 14:45:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-07-12 14:45:24,340 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-07-12 14:45:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 14:45:24,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 14:45:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 14:45:24,340 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 14:45:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 14:45:24,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 14:45:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 14:45:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 14:45:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:45:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:45:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-12 14:45:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-12 14:45:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-12 14:45:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-12 14:45:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 14:45:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 14:45:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-07-12 14:45:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-07-12 14:45:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-07-12 14:45:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-07-12 14:45:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-07-12 14:45:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-07-12 14:45:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:45:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 14:45:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 14:45:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 14:45:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 14:45:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 14:45:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 14:45:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-12 14:45:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-12 14:45:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-07-12 14:45:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-07-12 14:45:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:45:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 14:45:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 14:45:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 14:45:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 14:45:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:45:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-12 14:45:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-12 14:45:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 14:45:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 14:45:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:45:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:45:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 14:45:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-12 14:45:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-12 14:45:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:45:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:45:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-12 14:45:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-12 14:45:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 14:45:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 14:45:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-07-12 14:45:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-07-12 14:45:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 14:45:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 14:45:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 14:45:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 14:45:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 14:45:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 14:45:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 14:45:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 14:45:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 14:45:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-07-12 14:45:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-07-12 14:45:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-12 14:45:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-12 14:45:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:45:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:45:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 14:45:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 14:45:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-12 14:45:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-12 14:45:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 14:45:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-07-12 14:45:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-07-12 14:45:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-07-12 14:45:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-07-12 14:45:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 14:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 14:45:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 14:45:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-07-12 14:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-07-12 14:45:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 14:45:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:45:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-07-12 14:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-07-12 14:45:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 14:45:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:45:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:45:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:45:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-07-12 14:45:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-07-12 14:45:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-07-12 14:45:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-07-12 14:45:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-07-12 14:45:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-07-12 14:45:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-12 14:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-12 14:45:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-07-12 14:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-07-12 14:45:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 14:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 14:45:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-12 14:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-12 14:45:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-07-12 14:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-07-12 14:45:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-07-12 14:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-07-12 14:45:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-07-12 14:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-07-12 14:45:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-07-12 14:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-07-12 14:45:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-12 14:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-12 14:45:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 14:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 14:45:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:45:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:45:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 14:45:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 14:45:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-12 14:45:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-12 14:45:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-12 14:45:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-12 14:45:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-07-12 14:45:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-07-12 14:45:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 14:45:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 14:45:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:45:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-12 14:45:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-12 14:45:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_112 [2022-07-12 14:45:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_112 [2022-07-12 14:45:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 14:45:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 14:45:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:45:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-07-12 14:45:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-07-12 14:45:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-07-12 14:45:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-07-12 14:45:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-07-12 14:45:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-07-12 14:45:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 14:45:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 14:45:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 14:45:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 14:45:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:45:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-07-12 14:45:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-07-12 14:45:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-12 14:45:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-12 14:45:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-12 14:45:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-12 14:45:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 14:45:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 14:45:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 14:45:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 14:45:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-07-12 14:45:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-07-12 14:45:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_103 [2022-07-12 14:45:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_103 [2022-07-12 14:45:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-07-12 14:45:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-07-12 14:45:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_105 [2022-07-12 14:45:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_105 [2022-07-12 14:45:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-12 14:45:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-12 14:45:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-07-12 14:45:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-07-12 14:45:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 14:45:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 14:45:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-07-12 14:45:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-07-12 14:45:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 14:45:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 14:45:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 14:45:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 14:45:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-07-12 14:45:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-07-12 14:45:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-07-12 14:45:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-07-12 14:45:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-12 14:45:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-12 14:45:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 14:45:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 14:45:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-07-12 14:45:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-07-12 14:45:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 14:45:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 14:45:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-12 14:45:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-12 14:45:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-07-12 14:45:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-07-12 14:45:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:45:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:45:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-07-12 14:45:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-07-12 14:45:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 14:45:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-07-12 14:45:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-07-12 14:45:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 14:45:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 14:45:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 14:45:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-07-12 14:45:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-07-12 14:45:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-07-12 14:45:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-07-12 14:45:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:45:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:45:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_113 [2022-07-12 14:45:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_113 [2022-07-12 14:45:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-07-12 14:45:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-07-12 14:45:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 14:45:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 14:45:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-07-12 14:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-07-12 14:45:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-07-12 14:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-07-12 14:45:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 14:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 14:45:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_104 [2022-07-12 14:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_104 [2022-07-12 14:45:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_106 [2022-07-12 14:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_106 [2022-07-12 14:45:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 14:45:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 14:45:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-07-12 14:45:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-07-12 14:45:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-12 14:45:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-12 14:45:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 14:45:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 14:45:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-07-12 14:45:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-07-12 14:45:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-07-12 14:45:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-07-12 14:45:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-07-12 14:45:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-07-12 14:45:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-07-12 14:45:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-07-12 14:45:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-12 14:45:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-12 14:45:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 14:45:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 14:45:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-07-12 14:45:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-07-12 14:45:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 14:45:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 14:45:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-12 14:45:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-12 14:45:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-12 14:45:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-12 14:45:25,133 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:45:25,135 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:45:31,986 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:46:09,372 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 14:46:09,984 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:46:10,014 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:46:10,014 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-12 14:46:10,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:46:10 BoogieIcfgContainer [2022-07-12 14:46:10,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:46:10,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:46:10,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:46:10,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:46:10,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:45:19" (1/3) ... [2022-07-12 14:46:10,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64eda920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:46:10, skipping insertion in model container [2022-07-12 14:46:10,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:45:23" (2/3) ... [2022-07-12 14:46:10,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64eda920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:46:10, skipping insertion in model container [2022-07-12 14:46:10,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:46:10" (3/3) ... [2022-07-12 14:46:10,024 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-12 14:46:10,033 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:46:10,034 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:46:10,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:46:10,113 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@27067a08, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@45ba1bfb [2022-07-12 14:46:10,113 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:46:10,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 2701 states, 1805 states have (on average 1.2709141274238227) internal successors, (2294), 1854 states have internal predecessors, (2294), 742 states have call successors, (742), 158 states have call predecessors, (742), 157 states have return successors, (733), 717 states have call predecessors, (733), 733 states have call successors, (733) [2022-07-12 14:46:10,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-12 14:46:10,162 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:10,165 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:46:10,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:10,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:10,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1479212077, now seen corresponding path program 1 times [2022-07-12 14:46:10,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:46:10,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1703773948] [2022-07-12 14:46:10,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:10,183 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:46:10,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:46:10,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:46:10,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 14:46:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:11,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:46:11,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:46:11,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-12 14:46:11,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:46:11,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:46:11,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1703773948] [2022-07-12 14:46:11,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1703773948] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:11,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:11,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:46:11,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108146762] [2022-07-12 14:46:11,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:11,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:46:11,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:46:11,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:46:11,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:46:11,686 INFO L87 Difference]: Start difference. First operand has 2701 states, 1805 states have (on average 1.2709141274238227) internal successors, (2294), 1854 states have internal predecessors, (2294), 742 states have call successors, (742), 158 states have call predecessors, (742), 157 states have return successors, (733), 717 states have call predecessors, (733), 733 states have call successors, (733) Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 14:46:12,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:12,876 INFO L93 Difference]: Finished difference Result 7238 states and 10184 transitions. [2022-07-12 14:46:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:46:12,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 263 [2022-07-12 14:46:12,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:12,917 INFO L225 Difference]: With dead ends: 7238 [2022-07-12 14:46:12,918 INFO L226 Difference]: Without dead ends: 4489 [2022-07-12 14:46:12,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:46:12,941 INFO L413 NwaCegarLoop]: 4290 mSDtfsCounter, 2633 mSDsluCounter, 3611 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2633 SdHoareTripleChecker+Valid, 7901 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:12,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2633 Valid, 7901 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 14:46:12,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states. [2022-07-12 14:46:13,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 4487. [2022-07-12 14:46:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 2980 states have (on average 1.2570469798657717) internal successors, (3746), 3065 states have internal predecessors, (3746), 1222 states have call successors, (1222), 285 states have call predecessors, (1222), 284 states have return successors, (1223), 1188 states have call predecessors, (1223), 1222 states have call successors, (1223) [2022-07-12 14:46:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6191 transitions. [2022-07-12 14:46:13,270 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6191 transitions. Word has length 263 [2022-07-12 14:46:13,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:13,276 INFO L495 AbstractCegarLoop]: Abstraction has 4487 states and 6191 transitions. [2022-07-12 14:46:13,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 14:46:13,276 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6191 transitions. [2022-07-12 14:46:13,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1607 [2022-07-12 14:46:13,330 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:13,333 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 28, 28, 27, 27, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:46:13,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 14:46:13,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:46:13,548 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:13,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:13,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1624747529, now seen corresponding path program 1 times [2022-07-12 14:46:13,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:46:13,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742988400] [2022-07-12 14:46:13,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:13,554 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:46:13,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:46:13,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:46:13,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 14:46:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:17,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 6460 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:46:17,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:46:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 13172 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 12441 trivial. 0 not checked. [2022-07-12 14:46:17,698 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:46:17,698 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:46:17,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742988400] [2022-07-12 14:46:17,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742988400] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:17,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:17,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:46:17,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445524044] [2022-07-12 14:46:17,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:17,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:46:17,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:46:17,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:46:17,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:46:17,703 INFO L87 Difference]: Start difference. First operand 4487 states and 6191 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) [2022-07-12 14:46:18,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:18,600 INFO L93 Difference]: Finished difference Result 12675 states and 17461 transitions. [2022-07-12 14:46:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:46:18,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) Word has length 1606 [2022-07-12 14:46:18,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:18,655 INFO L225 Difference]: With dead ends: 12675 [2022-07-12 14:46:18,655 INFO L226 Difference]: Without dead ends: 8229 [2022-07-12 14:46:18,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1605 GetRequests, 1604 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:46:18,679 INFO L413 NwaCegarLoop]: 5043 mSDtfsCounter, 3068 mSDsluCounter, 3592 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3068 SdHoareTripleChecker+Valid, 8635 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:18,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3068 Valid, 8635 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 14:46:18,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2022-07-12 14:46:18,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8225. [2022-07-12 14:46:18,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8225 states, 5470 states have (on average 1.2537477148080438) internal successors, (6858), 5627 states have internal predecessors, (6858), 2217 states have call successors, (2217), 539 states have call predecessors, (2217), 537 states have return successors, (2219), 2153 states have call predecessors, (2219), 2217 states have call successors, (2219) [2022-07-12 14:46:18,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8225 states to 8225 states and 11294 transitions. [2022-07-12 14:46:18,926 INFO L78 Accepts]: Start accepts. Automaton has 8225 states and 11294 transitions. Word has length 1606 [2022-07-12 14:46:18,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:18,928 INFO L495 AbstractCegarLoop]: Abstraction has 8225 states and 11294 transitions. [2022-07-12 14:46:18,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) [2022-07-12 14:46:18,929 INFO L276 IsEmpty]: Start isEmpty. Operand 8225 states and 11294 transitions. [2022-07-12 14:46:19,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1671 [2022-07-12 14:46:19,002 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:19,004 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 30, 30, 28, 28, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:46:19,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 14:46:19,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:46:19,231 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:19,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:19,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1459216892, now seen corresponding path program 1 times [2022-07-12 14:46:19,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:46:19,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663833775] [2022-07-12 14:46:19,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:19,236 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:46:19,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:46:19,237 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:46:19,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 14:46:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:22,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 6602 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:46:22,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:46:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 13635 backedges. 1068 proven. 0 refuted. 0 times theorem prover too weak. 12567 trivial. 0 not checked. [2022-07-12 14:46:23,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:46:23,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:46:23,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663833775] [2022-07-12 14:46:23,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663833775] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:23,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:23,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:46:23,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589994657] [2022-07-12 14:46:23,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:23,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:46:23,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:46:23,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:46:23,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:46:23,728 INFO L87 Difference]: Start difference. First operand 8225 states and 11294 transitions. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 3 states have call successors, (161), 3 states have call predecessors, (161), 3 states have return successors, (160), 3 states have call predecessors, (160), 3 states have call successors, (160) [2022-07-12 14:46:24,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:24,689 INFO L93 Difference]: Finished difference Result 20147 states and 27661 transitions. [2022-07-12 14:46:24,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:46:24,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 3 states have call successors, (161), 3 states have call predecessors, (161), 3 states have return successors, (160), 3 states have call predecessors, (160), 3 states have call successors, (160) Word has length 1670 [2022-07-12 14:46:24,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:24,745 INFO L225 Difference]: With dead ends: 20147 [2022-07-12 14:46:24,746 INFO L226 Difference]: Without dead ends: 11963 [2022-07-12 14:46:24,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1669 GetRequests, 1668 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:46:24,776 INFO L413 NwaCegarLoop]: 6717 mSDtfsCounter, 3054 mSDsluCounter, 3581 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3054 SdHoareTripleChecker+Valid, 10298 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:24,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3054 Valid, 10298 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 14:46:24,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11963 states. [2022-07-12 14:46:25,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11963 to 11959. [2022-07-12 14:46:25,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11959 states, 7956 states have (on average 1.2526395173453997) internal successors, (9966), 8185 states have internal predecessors, (9966), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 790 states have return successors, (3215), 3118 states have call predecessors, (3215), 3212 states have call successors, (3215) [2022-07-12 14:46:25,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11959 states to 11959 states and 16393 transitions. [2022-07-12 14:46:25,136 INFO L78 Accepts]: Start accepts. Automaton has 11959 states and 16393 transitions. Word has length 1670 [2022-07-12 14:46:25,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:25,137 INFO L495 AbstractCegarLoop]: Abstraction has 11959 states and 16393 transitions. [2022-07-12 14:46:25,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 3 states have call successors, (161), 3 states have call predecessors, (161), 3 states have return successors, (160), 3 states have call predecessors, (160), 3 states have call successors, (160) [2022-07-12 14:46:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand 11959 states and 16393 transitions. [2022-07-12 14:46:25,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1745 [2022-07-12 14:46:25,251 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:25,253 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 20, 20, 20, 20, 20, 20, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:46:25,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 14:46:25,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:46:25,454 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:25,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:25,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1161150069, now seen corresponding path program 1 times [2022-07-12 14:46:25,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:46:25,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195441981] [2022-07-12 14:46:25,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:25,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:46:25,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:46:25,461 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:46:25,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 14:46:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:29,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 6742 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 14:46:29,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:46:29,775 INFO L134 CoverageAnalysis]: Checked inductivity of 14129 backedges. 1177 proven. 0 refuted. 0 times theorem prover too weak. 12952 trivial. 0 not checked. [2022-07-12 14:46:29,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:46:29,775 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:46:29,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [195441981] [2022-07-12 14:46:29,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [195441981] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:29,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:29,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 14:46:29,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605121542] [2022-07-12 14:46:29,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:29,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 14:46:29,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:46:29,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 14:46:29,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 14:46:29,778 INFO L87 Difference]: Start difference. First operand 11959 states and 16393 transitions. Second operand has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 2 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (165), 2 states have call predecessors, (165), 2 states have call successors, (165) [2022-07-12 14:46:30,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:30,988 INFO L93 Difference]: Finished difference Result 31205 states and 43593 transitions. [2022-07-12 14:46:30,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:46:30,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 2 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (165), 2 states have call predecessors, (165), 2 states have call successors, (165) Word has length 1744 [2022-07-12 14:46:30,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:31,081 INFO L225 Difference]: With dead ends: 31205 [2022-07-12 14:46:31,081 INFO L226 Difference]: Without dead ends: 19287 [2022-07-12 14:46:31,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1745 GetRequests, 1742 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:46:31,136 INFO L413 NwaCegarLoop]: 5226 mSDtfsCounter, 2711 mSDsluCounter, 8861 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2936 SdHoareTripleChecker+Valid, 14087 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 452 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:31,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2936 Valid, 14087 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [452 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 14:46:31,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19287 states. [2022-07-12 14:46:31,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19287 to 11963. [2022-07-12 14:46:31,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11963 states, 7960 states have (on average 1.2525125628140703) internal successors, (9970), 8189 states have internal predecessors, (9970), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 790 states have return successors, (3215), 3118 states have call predecessors, (3215), 3212 states have call successors, (3215) [2022-07-12 14:46:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11963 states to 11963 states and 16397 transitions. [2022-07-12 14:46:31,671 INFO L78 Accepts]: Start accepts. Automaton has 11963 states and 16397 transitions. Word has length 1744 [2022-07-12 14:46:31,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:31,672 INFO L495 AbstractCegarLoop]: Abstraction has 11963 states and 16397 transitions. [2022-07-12 14:46:31,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 2 states have call successors, (166), 2 states have call predecessors, (166), 2 states have return successors, (165), 2 states have call predecessors, (165), 2 states have call successors, (165) [2022-07-12 14:46:31,673 INFO L276 IsEmpty]: Start isEmpty. Operand 11963 states and 16397 transitions. [2022-07-12 14:46:31,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1751 [2022-07-12 14:46:31,776 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:31,777 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 20, 20, 20, 20, 20, 20, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:46:31,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 14:46:31,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:46:31,993 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:31,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:31,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1141678797, now seen corresponding path program 1 times [2022-07-12 14:46:31,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:46:31,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254934366] [2022-07-12 14:46:31,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:31,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:46:31,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:46:32,000 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:46:32,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 14:46:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:36,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 6773 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 14:46:36,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:46:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 14129 backedges. 1177 proven. 0 refuted. 0 times theorem prover too weak. 12952 trivial. 0 not checked. [2022-07-12 14:46:36,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:46:36,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:46:36,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254934366] [2022-07-12 14:46:36,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [254934366] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:36,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:36,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:46:36,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245705889] [2022-07-12 14:46:36,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:36,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:46:36,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:46:36,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:46:36,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:46:36,582 INFO L87 Difference]: Start difference. First operand 11963 states and 16397 transitions. Second operand has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 3 states have return successors, (166), 3 states have call predecessors, (166), 2 states have call successors, (166) [2022-07-12 14:46:37,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:37,239 INFO L93 Difference]: Finished difference Result 27936 states and 38768 transitions. [2022-07-12 14:46:37,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 14:46:37,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 3 states have return successors, (166), 3 states have call predecessors, (166), 2 states have call successors, (166) Word has length 1750 [2022-07-12 14:46:37,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:37,308 INFO L225 Difference]: With dead ends: 27936 [2022-07-12 14:46:37,308 INFO L226 Difference]: Without dead ends: 16014 [2022-07-12 14:46:37,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1750 GetRequests, 1745 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:46:37,353 INFO L413 NwaCegarLoop]: 4906 mSDtfsCounter, 1072 mSDsluCounter, 18545 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 23451 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:37,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 23451 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 14:46:37,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16014 states. [2022-07-12 14:46:37,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16014 to 11973. [2022-07-12 14:46:37,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11973 states, 7968 states have (on average 1.2522590361445782) internal successors, (9978), 8197 states have internal predecessors, (9978), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 792 states have return successors, (3221), 3120 states have call predecessors, (3221), 3212 states have call successors, (3221) [2022-07-12 14:46:37,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11973 states to 11973 states and 16411 transitions. [2022-07-12 14:46:37,862 INFO L78 Accepts]: Start accepts. Automaton has 11973 states and 16411 transitions. Word has length 1750 [2022-07-12 14:46:37,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:37,863 INFO L495 AbstractCegarLoop]: Abstraction has 11973 states and 16411 transitions. [2022-07-12 14:46:37,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 3 states have return successors, (166), 3 states have call predecessors, (166), 2 states have call successors, (166) [2022-07-12 14:46:37,863 INFO L276 IsEmpty]: Start isEmpty. Operand 11973 states and 16411 transitions. [2022-07-12 14:46:37,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1751 [2022-07-12 14:46:37,901 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:37,902 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 20, 20, 20, 20, 20, 20, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:46:38,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 14:46:38,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:46:38,161 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:38,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:38,162 INFO L85 PathProgramCache]: Analyzing trace with hash -849561845, now seen corresponding path program 1 times [2022-07-12 14:46:38,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:46:38,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563124151] [2022-07-12 14:46:38,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:38,166 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:46:38,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:46:38,167 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:46:38,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 14:46:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:42,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 6803 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 14:46:42,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:46:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 14129 backedges. 967 proven. 0 refuted. 0 times theorem prover too weak. 13162 trivial. 0 not checked. [2022-07-12 14:46:42,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:46:42,971 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:46:42,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563124151] [2022-07-12 14:46:42,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563124151] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:42,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:42,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:46:42,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92070155] [2022-07-12 14:46:42,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:42,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:46:42,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:46:42,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:46:42,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:46:42,974 INFO L87 Difference]: Start difference. First operand 11973 states and 16411 transitions. Second operand has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 2 states have return successors, (166), 2 states have call predecessors, (166), 2 states have call successors, (166) [2022-07-12 14:46:45,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:46:47,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:46:49,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:49,391 INFO L93 Difference]: Finished difference Result 31309 states and 43751 transitions. [2022-07-12 14:46:49,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:46:49,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 2 states have return successors, (166), 2 states have call predecessors, (166), 2 states have call successors, (166) Word has length 1750 [2022-07-12 14:46:49,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:49,459 INFO L225 Difference]: With dead ends: 31309 [2022-07-12 14:46:49,460 INFO L226 Difference]: Without dead ends: 19377 [2022-07-12 14:46:49,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1753 GetRequests, 1748 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:46:49,494 INFO L413 NwaCegarLoop]: 5277 mSDtfsCounter, 4587 mSDsluCounter, 12787 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1145 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4588 SdHoareTripleChecker+Valid, 18064 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1145 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:49,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4588 Valid, 18064 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1145 Valid, 28 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-07-12 14:46:49,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19377 states. [2022-07-12 14:46:50,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19377 to 11979. [2022-07-12 14:46:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11979 states, 7974 states have (on average 1.2520692249811889) internal successors, (9984), 8203 states have internal predecessors, (9984), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 792 states have return successors, (3221), 3120 states have call predecessors, (3221), 3212 states have call successors, (3221) [2022-07-12 14:46:50,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11979 states to 11979 states and 16417 transitions. [2022-07-12 14:46:50,087 INFO L78 Accepts]: Start accepts. Automaton has 11979 states and 16417 transitions. Word has length 1750 [2022-07-12 14:46:50,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:50,088 INFO L495 AbstractCegarLoop]: Abstraction has 11979 states and 16417 transitions. [2022-07-12 14:46:50,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 2 states have call successors, (167), 2 states have call predecessors, (167), 2 states have return successors, (166), 2 states have call predecessors, (166), 2 states have call successors, (166) [2022-07-12 14:46:50,088 INFO L276 IsEmpty]: Start isEmpty. Operand 11979 states and 16417 transitions. [2022-07-12 14:46:50,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1772 [2022-07-12 14:46:50,176 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:50,177 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 21, 21, 21, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:46:50,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 14:46:50,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:46:50,404 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:50,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:50,405 INFO L85 PathProgramCache]: Analyzing trace with hash 713989868, now seen corresponding path program 1 times [2022-07-12 14:46:50,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:46:50,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110588960] [2022-07-12 14:46:50,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:50,408 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:46:50,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:46:50,409 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) [2022-07-12 14:46:50,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 14:46:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:54,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 6852 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-12 14:46:54,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:46:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 14310 backedges. 910 proven. 0 refuted. 0 times theorem prover too weak. 13400 trivial. 0 not checked. [2022-07-12 14:46:56,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:46:56,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:46:56,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2110588960] [2022-07-12 14:46:56,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2110588960] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:56,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:56,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 14:46:56,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565895205] [2022-07-12 14:46:56,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:56,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 14:46:56,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:46:56,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 14:46:56,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-12 14:46:56,409 INFO L87 Difference]: Start difference. First operand 11979 states and 16417 transitions. Second operand has 12 states, 12 states have (on average 35.916666666666664) internal successors, (431), 10 states have internal predecessors, (431), 3 states have call successors, (170), 2 states have call predecessors, (170), 4 states have return successors, (169), 5 states have call predecessors, (169), 3 states have call successors, (169) [2022-07-12 14:47:01,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:47:01,001 INFO L93 Difference]: Finished difference Result 28857 states and 40110 transitions. [2022-07-12 14:47:01,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 14:47:01,002 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 35.916666666666664) internal successors, (431), 10 states have internal predecessors, (431), 3 states have call successors, (170), 2 states have call predecessors, (170), 4 states have return successors, (169), 5 states have call predecessors, (169), 3 states have call successors, (169) Word has length 1771 [2022-07-12 14:47:01,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:47:01,060 INFO L225 Difference]: With dead ends: 28857 [2022-07-12 14:47:01,061 INFO L226 Difference]: Without dead ends: 16919 [2022-07-12 14:47:01,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1782 GetRequests, 1763 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2022-07-12 14:47:01,098 INFO L413 NwaCegarLoop]: 5746 mSDtfsCounter, 4078 mSDsluCounter, 49891 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4080 SdHoareTripleChecker+Valid, 55637 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1543 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:47:01,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4080 Valid, 55637 Invalid, 1715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1543 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-12 14:47:01,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16919 states. [2022-07-12 14:47:01,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16919 to 11991. [2022-07-12 14:47:01,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11991 states, 7984 states have (on average 1.251753507014028) internal successors, (9994), 8213 states have internal predecessors, (9994), 3212 states have call successors, (3212), 793 states have call predecessors, (3212), 794 states have return successors, (3243), 3122 states have call predecessors, (3243), 3212 states have call successors, (3243) [2022-07-12 14:47:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11991 states to 11991 states and 16449 transitions. [2022-07-12 14:47:01,691 INFO L78 Accepts]: Start accepts. Automaton has 11991 states and 16449 transitions. Word has length 1771 [2022-07-12 14:47:01,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:47:01,692 INFO L495 AbstractCegarLoop]: Abstraction has 11991 states and 16449 transitions. [2022-07-12 14:47:01,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 35.916666666666664) internal successors, (431), 10 states have internal predecessors, (431), 3 states have call successors, (170), 2 states have call predecessors, (170), 4 states have return successors, (169), 5 states have call predecessors, (169), 3 states have call successors, (169) [2022-07-12 14:47:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 11991 states and 16449 transitions. [2022-07-12 14:47:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1788 [2022-07-12 14:47:01,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:47:01,730 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 43, 43, 32, 32, 28, 28, 23, 23, 23, 20, 20, 20, 20, 20, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:47:01,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-12 14:47:01,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:47:01,953 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:47:01,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:47:01,954 INFO L85 PathProgramCache]: Analyzing trace with hash 2073957198, now seen corresponding path program 1 times [2022-07-12 14:47:01,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:47:01,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114656672] [2022-07-12 14:47:01,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:47:01,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:47:01,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:47:01,959 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) [2022-07-12 14:47:01,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 14:47:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:06,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 6886 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:47:06,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:47:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 14494 backedges. 922 proven. 0 refuted. 0 times theorem prover too weak. 13572 trivial. 0 not checked. [2022-07-12 14:47:13,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:47:13,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:47:13,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114656672] [2022-07-12 14:47:13,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114656672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:47:13,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:47:13,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 14:47:13,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164487184] [2022-07-12 14:47:13,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:47:13,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:47:13,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:47:13,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:47:13,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:47:13,866 INFO L87 Difference]: Start difference. First operand 11991 states and 16449 transitions. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 2 states have internal predecessors, (428), 2 states have call successors, (170), 2 states have call predecessors, (170), 2 states have return successors, (169), 2 states have call predecessors, (169), 2 states have call successors, (169) [2022-07-12 14:47:14,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:47:14,226 INFO L93 Difference]: Finished difference Result 23933 states and 32807 transitions. [2022-07-12 14:47:14,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:47:14,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 2 states have internal predecessors, (428), 2 states have call successors, (170), 2 states have call predecessors, (170), 2 states have return successors, (169), 2 states have call predecessors, (169), 2 states have call successors, (169) Word has length 1787 [2022-07-12 14:47:14,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:47:14,269 INFO L225 Difference]: With dead ends: 23933 [2022-07-12 14:47:14,270 INFO L226 Difference]: Without dead ends: 11983 [2022-07-12 14:47:14,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1786 GetRequests, 1785 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:47:14,303 INFO L413 NwaCegarLoop]: 3637 mSDtfsCounter, 3386 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3386 SdHoareTripleChecker+Valid, 3637 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:47:14,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3386 Valid, 3637 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 14:47:14,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11983 states. [2022-07-12 14:47:14,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11983 to 11983. [2022-07-12 14:47:14,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11983 states, 7980 states have (on average 1.2513784461152881) internal successors, (9986), 8205 states have internal predecessors, (9986), 3208 states have call successors, (3208), 793 states have call predecessors, (3208), 794 states have return successors, (3239), 3120 states have call predecessors, (3239), 3208 states have call successors, (3239) [2022-07-12 14:47:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11983 states to 11983 states and 16433 transitions. [2022-07-12 14:47:14,785 INFO L78 Accepts]: Start accepts. Automaton has 11983 states and 16433 transitions. Word has length 1787 [2022-07-12 14:47:14,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:47:14,786 INFO L495 AbstractCegarLoop]: Abstraction has 11983 states and 16433 transitions. [2022-07-12 14:47:14,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 2 states have internal predecessors, (428), 2 states have call successors, (170), 2 states have call predecessors, (170), 2 states have return successors, (169), 2 states have call predecessors, (169), 2 states have call successors, (169) [2022-07-12 14:47:14,787 INFO L276 IsEmpty]: Start isEmpty. Operand 11983 states and 16433 transitions. [2022-07-12 14:47:14,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1820 [2022-07-12 14:47:14,821 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:47:14,822 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 45, 45, 32, 32, 29, 29, 23, 23, 23, 20, 20, 20, 20, 20, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:47:14,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 14:47:15,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:47:15,047 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:47:15,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:47:15,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1812189645, now seen corresponding path program 1 times [2022-07-12 14:47:15,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:47:15,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2046657151] [2022-07-12 14:47:15,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:47:15,051 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:47:15,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:47:15,053 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) [2022-07-12 14:47:15,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 14:47:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:21,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 6978 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:47:21,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:47:21,162 INFO L134 CoverageAnalysis]: Checked inductivity of 15368 backedges. 3223 proven. 0 refuted. 0 times theorem prover too weak. 12145 trivial. 0 not checked. [2022-07-12 14:47:21,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:47:21,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:47:21,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2046657151] [2022-07-12 14:47:21,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2046657151] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:47:21,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:47:21,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:47:21,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809371525] [2022-07-12 14:47:21,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:47:21,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:47:21,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:47:21,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:47:21,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:47:21,166 INFO L87 Difference]: Start difference. First operand 11983 states and 16433 transitions. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2022-07-12 14:47:21,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:47:21,591 INFO L93 Difference]: Finished difference Result 23973 states and 33378 transitions. [2022-07-12 14:47:21,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:47:21,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) Word has length 1819 [2022-07-12 14:47:21,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:47:21,639 INFO L225 Difference]: With dead ends: 23973 [2022-07-12 14:47:21,639 INFO L226 Difference]: Without dead ends: 12031 [2022-07-12 14:47:21,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1818 GetRequests, 1817 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:47:21,679 INFO L413 NwaCegarLoop]: 3637 mSDtfsCounter, 5 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:47:21,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 7268 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 14:47:21,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12031 states. [2022-07-12 14:47:22,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12031 to 12019. [2022-07-12 14:47:22,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12019 states, 8004 states have (on average 1.2513743128435781) internal successors, (10016), 8229 states have internal predecessors, (10016), 3220 states have call successors, (3220), 793 states have call predecessors, (3220), 794 states have return successors, (3251), 3132 states have call predecessors, (3251), 3220 states have call successors, (3251) [2022-07-12 14:47:22,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12019 states to 12019 states and 16487 transitions. [2022-07-12 14:47:22,141 INFO L78 Accepts]: Start accepts. Automaton has 12019 states and 16487 transitions. Word has length 1819 [2022-07-12 14:47:22,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:47:22,142 INFO L495 AbstractCegarLoop]: Abstraction has 12019 states and 16487 transitions. [2022-07-12 14:47:22,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2022-07-12 14:47:22,143 INFO L276 IsEmpty]: Start isEmpty. Operand 12019 states and 16487 transitions. [2022-07-12 14:47:22,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1850 [2022-07-12 14:47:22,179 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:47:22,180 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 47, 47, 32, 32, 29, 29, 23, 23, 23, 20, 20, 20, 20, 20, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:47:22,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 14:47:22,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:47:22,393 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:47:22,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:47:22,393 INFO L85 PathProgramCache]: Analyzing trace with hash 559618179, now seen corresponding path program 1 times [2022-07-12 14:47:22,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:47:22,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627462627] [2022-07-12 14:47:22,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:47:22,396 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:47:22,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:47:22,397 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) [2022-07-12 14:47:22,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 14:47:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:28,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 7040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:47:28,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:47:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 15733 backedges. 3964 proven. 0 refuted. 0 times theorem prover too weak. 11769 trivial. 0 not checked. [2022-07-12 14:47:28,888 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:47:28,888 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:47:28,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627462627] [2022-07-12 14:47:28,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627462627] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:47:28,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:47:28,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:47:28,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007926233] [2022-07-12 14:47:28,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:47:28,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:47:28,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:47:28,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:47:28,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:47:28,891 INFO L87 Difference]: Start difference. First operand 12019 states and 16487 transitions. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 2 states have call successors, (186), 2 states have call predecessors, (186), 2 states have return successors, (185), 2 states have call predecessors, (185), 2 states have call successors, (185) [2022-07-12 14:47:29,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:47:29,259 INFO L93 Difference]: Finished difference Result 24087 states and 33518 transitions. [2022-07-12 14:47:29,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:47:29,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 2 states have call successors, (186), 2 states have call predecessors, (186), 2 states have return successors, (185), 2 states have call predecessors, (185), 2 states have call successors, (185) Word has length 1849 [2022-07-12 14:47:29,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:47:29,310 INFO L225 Difference]: With dead ends: 24087 [2022-07-12 14:47:29,310 INFO L226 Difference]: Without dead ends: 12109 [2022-07-12 14:47:29,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1848 GetRequests, 1847 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:47:29,351 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 9 mSDsluCounter, 3634 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7280 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:47:29,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7280 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 14:47:29,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12109 states. [2022-07-12 14:47:29,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12109 to 12055. [2022-07-12 14:47:29,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12055 states, 8028 states have (on average 1.2513702042850026) internal successors, (10046), 8253 states have internal predecessors, (10046), 3232 states have call successors, (3232), 793 states have call predecessors, (3232), 794 states have return successors, (3263), 3144 states have call predecessors, (3263), 3232 states have call successors, (3263) [2022-07-12 14:47:29,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12055 states to 12055 states and 16541 transitions. [2022-07-12 14:47:29,850 INFO L78 Accepts]: Start accepts. Automaton has 12055 states and 16541 transitions. Word has length 1849 [2022-07-12 14:47:29,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:47:29,851 INFO L495 AbstractCegarLoop]: Abstraction has 12055 states and 16541 transitions. [2022-07-12 14:47:29,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 2 states have call successors, (186), 2 states have call predecessors, (186), 2 states have return successors, (185), 2 states have call predecessors, (185), 2 states have call successors, (185) [2022-07-12 14:47:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 12055 states and 16541 transitions. [2022-07-12 14:47:29,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1866 [2022-07-12 14:47:29,887 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:47:29,888 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 48, 48, 32, 32, 29, 29, 23, 23, 23, 20, 20, 20, 20, 20, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:47:30,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-12 14:47:30,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:47:30,104 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:47:30,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:47:30,104 INFO L85 PathProgramCache]: Analyzing trace with hash -2075765830, now seen corresponding path program 1 times [2022-07-12 14:47:30,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:47:30,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408551252] [2022-07-12 14:47:30,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:47:30,107 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:47:30,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:47:30,109 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:47:30,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 14:47:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:42,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 7075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:47:42,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:47:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 15930 backedges. 2807 proven. 0 refuted. 0 times theorem prover too weak. 13123 trivial. 0 not checked. [2022-07-12 14:47:42,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:47:42,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:47:42,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408551252] [2022-07-12 14:47:42,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [408551252] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:47:42,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:47:42,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:47:42,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806437956] [2022-07-12 14:47:42,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:47:42,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:47:42,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:47:42,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:47:42,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:47:42,328 INFO L87 Difference]: Start difference. First operand 12055 states and 16541 transitions. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2022-07-12 14:47:44,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:47:44,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:47:44,811 INFO L93 Difference]: Finished difference Result 24135 states and 33283 transitions. [2022-07-12 14:47:44,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:47:44,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) Word has length 1865 [2022-07-12 14:47:44,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:47:44,860 INFO L225 Difference]: With dead ends: 24135 [2022-07-12 14:47:44,860 INFO L226 Difference]: Without dead ends: 12121 [2022-07-12 14:47:44,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1864 GetRequests, 1863 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:47:44,899 INFO L413 NwaCegarLoop]: 3639 mSDtfsCounter, 7 mSDsluCounter, 3632 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 7271 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:47:44,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 7271 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-07-12 14:47:44,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12121 states. [2022-07-12 14:47:45,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12121 to 12061. [2022-07-12 14:47:45,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12061 states, 8034 states have (on average 1.2511824744834454) internal successors, (10052), 8259 states have internal predecessors, (10052), 3232 states have call successors, (3232), 793 states have call predecessors, (3232), 794 states have return successors, (3263), 3144 states have call predecessors, (3263), 3232 states have call successors, (3263) [2022-07-12 14:47:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12061 states to 12061 states and 16547 transitions. [2022-07-12 14:47:45,393 INFO L78 Accepts]: Start accepts. Automaton has 12061 states and 16547 transitions. Word has length 1865 [2022-07-12 14:47:45,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:47:45,394 INFO L495 AbstractCegarLoop]: Abstraction has 12061 states and 16547 transitions. [2022-07-12 14:47:45,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 2 states have call successors, (182), 2 states have call predecessors, (182), 2 states have return successors, (181), 2 states have call predecessors, (181), 2 states have call successors, (181) [2022-07-12 14:47:45,395 INFO L276 IsEmpty]: Start isEmpty. Operand 12061 states and 16547 transitions. [2022-07-12 14:47:45,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1917 [2022-07-12 14:47:45,430 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:47:45,431 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 50, 50, 32, 32, 31, 31, 23, 23, 23, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:47:45,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-12 14:47:45,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:47:45,635 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:47:45,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:47:45,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1857083787, now seen corresponding path program 1 times [2022-07-12 14:47:45,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:47:45,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106650593] [2022-07-12 14:47:45,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:47:45,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:47:45,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:47:45,640 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:47:45,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-12 14:47:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 7227 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:47:57,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:47:57,848 INFO L134 CoverageAnalysis]: Checked inductivity of 17483 backedges. 2938 proven. 0 refuted. 0 times theorem prover too weak. 14545 trivial. 0 not checked. [2022-07-12 14:47:57,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:47:57,848 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:47:57,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106650593] [2022-07-12 14:47:57,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106650593] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:47:57,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:47:57,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:47:57,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27665531] [2022-07-12 14:47:57,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:47:57,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:47:57,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:47:57,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:47:57,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:47:57,851 INFO L87 Difference]: Start difference. First operand 12061 states and 16547 transitions. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (184), 2 states have call predecessors, (184), 2 states have return successors, (183), 2 states have call predecessors, (183), 2 states have call successors, (183) [2022-07-12 14:47:58,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:47:58,299 INFO L93 Difference]: Finished difference Result 24111 states and 33241 transitions. [2022-07-12 14:47:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:47:58,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (184), 2 states have call predecessors, (184), 2 states have return successors, (183), 2 states have call predecessors, (183), 2 states have call successors, (183) Word has length 1916 [2022-07-12 14:47:58,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:47:58,344 INFO L225 Difference]: With dead ends: 24111 [2022-07-12 14:47:58,345 INFO L226 Difference]: Without dead ends: 12091 [2022-07-12 14:47:58,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1915 GetRequests, 1914 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:47:58,378 INFO L413 NwaCegarLoop]: 3637 mSDtfsCounter, 2 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:47:58,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7268 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 14:47:58,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12091 states. [2022-07-12 14:47:58,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12091 to 12067. [2022-07-12 14:47:58,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12067 states, 8040 states have (on average 1.2509950248756219) internal successors, (10058), 8265 states have internal predecessors, (10058), 3232 states have call successors, (3232), 793 states have call predecessors, (3232), 794 states have return successors, (3263), 3144 states have call predecessors, (3263), 3232 states have call successors, (3263) [2022-07-12 14:47:58,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12067 states to 12067 states and 16553 transitions. [2022-07-12 14:47:58,898 INFO L78 Accepts]: Start accepts. Automaton has 12067 states and 16553 transitions. Word has length 1916 [2022-07-12 14:47:58,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:47:58,899 INFO L495 AbstractCegarLoop]: Abstraction has 12067 states and 16553 transitions. [2022-07-12 14:47:58,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 2 states have call successors, (184), 2 states have call predecessors, (184), 2 states have return successors, (183), 2 states have call predecessors, (183), 2 states have call successors, (183) [2022-07-12 14:47:58,899 INFO L276 IsEmpty]: Start isEmpty. Operand 12067 states and 16553 transitions. [2022-07-12 14:47:58,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1966 [2022-07-12 14:47:58,934 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:47:58,935 INFO L195 NwaCegarLoop]: trace histogram [66, 66, 52, 52, 33, 33, 32, 32, 23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 20, 20, 20, 20, 20, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:47:59,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-12 14:47:59,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:47:59,136 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:47:59,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:47:59,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1425305797, now seen corresponding path program 1 times [2022-07-12 14:47:59,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:47:59,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303237963] [2022-07-12 14:47:59,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:47:59,140 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:47:59,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:47:59,141 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:47:59,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-12 14:48:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:11,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 7366 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 14:48:11,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:48:12,131 INFO L134 CoverageAnalysis]: Checked inductivity of 19148 backedges. 3068 proven. 1 refuted. 0 times theorem prover too weak. 16079 trivial. 0 not checked. [2022-07-12 14:48:12,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:48:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 19148 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 19132 trivial. 0 not checked. [2022-07-12 14:48:13,907 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:48:13,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303237963] [2022-07-12 14:48:13,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303237963] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:48:13,907 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:48:13,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-07-12 14:48:13,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693266168] [2022-07-12 14:48:13,908 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:48:13,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:48:13,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:48:13,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:48:13,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:48:13,910 INFO L87 Difference]: Start difference. First operand 12067 states and 16553 transitions. Second operand has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 4 states have call successors, (234), 2 states have call predecessors, (234), 2 states have return successors, (233), 4 states have call predecessors, (233), 4 states have call successors, (233) [2022-07-12 14:48:14,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:48:14,829 INFO L93 Difference]: Finished difference Result 24183 states and 33349 transitions. [2022-07-12 14:48:14,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 14:48:14,830 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 4 states have call successors, (234), 2 states have call predecessors, (234), 2 states have return successors, (233), 4 states have call predecessors, (233), 4 states have call successors, (233) Word has length 1965 [2022-07-12 14:48:14,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:48:14,870 INFO L225 Difference]: With dead ends: 24183 [2022-07-12 14:48:14,871 INFO L226 Difference]: Without dead ends: 12157 [2022-07-12 14:48:14,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3929 GetRequests, 3924 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:48:14,909 INFO L413 NwaCegarLoop]: 3643 mSDtfsCounter, 8 mSDsluCounter, 14520 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 18163 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:48:14,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 18163 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 14:48:14,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12157 states. [2022-07-12 14:48:15,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12157 to 12157. [2022-07-12 14:48:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12157 states, 8094 states have (on average 1.249320484309365) internal successors, (10112), 8319 states have internal predecessors, (10112), 3268 states have call successors, (3268), 793 states have call predecessors, (3268), 794 states have return successors, (3299), 3180 states have call predecessors, (3299), 3268 states have call successors, (3299) [2022-07-12 14:48:15,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12157 states to 12157 states and 16679 transitions. [2022-07-12 14:48:15,388 INFO L78 Accepts]: Start accepts. Automaton has 12157 states and 16679 transitions. Word has length 1965 [2022-07-12 14:48:15,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:48:15,389 INFO L495 AbstractCegarLoop]: Abstraction has 12157 states and 16679 transitions. [2022-07-12 14:48:15,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 4 states have call successors, (234), 2 states have call predecessors, (234), 2 states have return successors, (233), 4 states have call predecessors, (233), 4 states have call successors, (233) [2022-07-12 14:48:15,389 INFO L276 IsEmpty]: Start isEmpty. Operand 12157 states and 16679 transitions. [2022-07-12 14:48:15,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2113 [2022-07-12 14:48:15,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:48:15,429 INFO L195 NwaCegarLoop]: trace histogram [78, 78, 58, 58, 39, 39, 32, 32, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 23, 23, 23, 20, 20, 20, 20, 20, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:48:15,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-12 14:48:15,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:48:15,629 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:48:15,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:48:15,630 INFO L85 PathProgramCache]: Analyzing trace with hash -744427531, now seen corresponding path program 2 times [2022-07-12 14:48:15,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:48:15,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395331462] [2022-07-12 14:48:15,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:48:15,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:48:15,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:48:15,635 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:48:15,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-12 14:48:17,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 14:48:17,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 14:48:17,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:48:17,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:48:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 24845 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24845 trivial. 0 not checked. [2022-07-12 14:48:17,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:48:17,425 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:48:17,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395331462] [2022-07-12 14:48:17,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395331462] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:48:17,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:48:17,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:48:17,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214121725] [2022-07-12 14:48:17,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:48:17,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:48:17,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:48:17,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:48:17,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:48:17,437 INFO L87 Difference]: Start difference. First operand 12157 states and 16679 transitions. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 2 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (177), 2 states have call predecessors, (177), 2 states have call successors, (177) [2022-07-12 14:48:18,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:48:18,030 INFO L93 Difference]: Finished difference Result 28272 states and 39228 transitions. [2022-07-12 14:48:18,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:48:18,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 2 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (177), 2 states have call predecessors, (177), 2 states have call successors, (177) Word has length 2112 [2022-07-12 14:48:18,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:48:18,086 INFO L225 Difference]: With dead ends: 28272 [2022-07-12 14:48:18,086 INFO L226 Difference]: Without dead ends: 16156 [2022-07-12 14:48:18,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2111 GetRequests, 2110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:48:18,121 INFO L413 NwaCegarLoop]: 5120 mSDtfsCounter, 1054 mSDsluCounter, 3885 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 9005 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:48:18,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 9005 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 14:48:18,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16156 states. [2022-07-12 14:48:18,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16156 to 12160. [2022-07-12 14:48:18,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12160 states, 8097 states have (on average 1.249228109176238) internal successors, (10115), 8322 states have internal predecessors, (10115), 3268 states have call successors, (3268), 793 states have call predecessors, (3268), 794 states have return successors, (3299), 3180 states have call predecessors, (3299), 3268 states have call successors, (3299) [2022-07-12 14:48:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12160 states to 12160 states and 16682 transitions. [2022-07-12 14:48:18,670 INFO L78 Accepts]: Start accepts. Automaton has 12160 states and 16682 transitions. Word has length 2112 [2022-07-12 14:48:18,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:48:18,672 INFO L495 AbstractCegarLoop]: Abstraction has 12160 states and 16682 transitions. [2022-07-12 14:48:18,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 2 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (177), 2 states have call predecessors, (177), 2 states have call successors, (177) [2022-07-12 14:48:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 12160 states and 16682 transitions. [2022-07-12 14:48:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2121 [2022-07-12 14:48:18,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:48:18,713 INFO L195 NwaCegarLoop]: trace histogram [78, 78, 58, 58, 39, 39, 32, 32, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 23, 23, 23, 20, 20, 20, 20, 20, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:48:18,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-12 14:48:18,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:48:18,915 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:48:18,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:48:18,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1218732447, now seen corresponding path program 1 times [2022-07-12 14:48:18,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:48:18,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1921195384] [2022-07-12 14:48:18,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:48:18,919 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:48:18,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:48:18,920 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:48:18,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-12 14:48:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:33,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 7802 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 14:48:33,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:48:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 24857 backedges. 3457 proven. 1 refuted. 0 times theorem prover too weak. 21399 trivial. 0 not checked. [2022-07-12 14:48:34,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:48:36,443 INFO L134 CoverageAnalysis]: Checked inductivity of 24857 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 24842 trivial. 0 not checked. [2022-07-12 14:48:36,443 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:48:36,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1921195384] [2022-07-12 14:48:36,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1921195384] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:48:36,444 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:48:36,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-07-12 14:48:36,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12436839] [2022-07-12 14:48:36,444 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:48:36,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:48:36,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:48:36,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:48:36,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:48:36,448 INFO L87 Difference]: Start difference. First operand 12160 states and 16682 transitions. Second operand has 6 states, 6 states have (on average 90.5) internal successors, (543), 6 states have internal predecessors, (543), 4 states have call successors, (238), 2 states have call predecessors, (238), 2 states have return successors, (237), 4 states have call predecessors, (237), 4 states have call successors, (237) [2022-07-12 14:48:38,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:48:39,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:48:39,294 INFO L93 Difference]: Finished difference Result 24765 states and 34165 transitions. [2022-07-12 14:48:39,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 14:48:39,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 90.5) internal successors, (543), 6 states have internal predecessors, (543), 4 states have call successors, (238), 2 states have call predecessors, (238), 2 states have return successors, (237), 4 states have call predecessors, (237), 4 states have call successors, (237) Word has length 2120 [2022-07-12 14:48:39,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:48:39,343 INFO L225 Difference]: With dead ends: 24765 [2022-07-12 14:48:39,343 INFO L226 Difference]: Without dead ends: 12646 [2022-07-12 14:48:39,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4239 GetRequests, 4234 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:48:39,378 INFO L413 NwaCegarLoop]: 3656 mSDtfsCounter, 28 mSDsluCounter, 7269 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 10925 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:48:39,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 10925 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 14:48:39,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12646 states. [2022-07-12 14:48:39,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12646 to 12646. [2022-07-12 14:48:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12646 states, 8403 states have (on average 1.2422944186600025) internal successors, (10439), 8628 states have internal predecessors, (10439), 3448 states have call successors, (3448), 793 states have call predecessors, (3448), 794 states have return successors, (3479), 3360 states have call predecessors, (3479), 3448 states have call successors, (3479) [2022-07-12 14:48:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12646 states to 12646 states and 17366 transitions. [2022-07-12 14:48:39,884 INFO L78 Accepts]: Start accepts. Automaton has 12646 states and 17366 transitions. Word has length 2120 [2022-07-12 14:48:39,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:48:39,886 INFO L495 AbstractCegarLoop]: Abstraction has 12646 states and 17366 transitions. [2022-07-12 14:48:39,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 90.5) internal successors, (543), 6 states have internal predecessors, (543), 4 states have call successors, (238), 2 states have call predecessors, (238), 2 states have return successors, (237), 4 states have call predecessors, (237), 4 states have call successors, (237) [2022-07-12 14:48:39,886 INFO L276 IsEmpty]: Start isEmpty. Operand 12646 states and 17366 transitions. [2022-07-12 14:48:39,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2862 [2022-07-12 14:48:40,000 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:48:40,001 INFO L195 NwaCegarLoop]: trace histogram [138, 138, 88, 88, 69, 69, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 32, 32, 23, 23, 23, 20, 20, 20, 20, 20, 19, 16, 16, 16, 16, 16, 16, 16, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:48:40,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-12 14:48:40,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:48:40,208 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:48:40,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:48:40,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1960139684, now seen corresponding path program 2 times [2022-07-12 14:48:40,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:48:40,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252232473] [2022-07-12 14:48:40,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:48:40,213 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:48:40,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:48:40,214 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:48:40,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-12 14:48:42,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 14:48:42,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 14:48:42,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 14:48:42,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:48:42,402 INFO L134 CoverageAnalysis]: Checked inductivity of 68972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68972 trivial. 0 not checked. [2022-07-12 14:48:42,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:48:42,402 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:48:42,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [252232473] [2022-07-12 14:48:42,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [252232473] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:48:42,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:48:42,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:48:42,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966867550] [2022-07-12 14:48:42,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:48:42,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:48:42,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:48:42,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:48:42,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:48:42,405 INFO L87 Difference]: Start difference. First operand 12646 states and 17366 transitions. Second operand has 5 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 3 states have call successors, (179), 3 states have call predecessors, (179), 2 states have return successors, (178), 2 states have call predecessors, (178), 2 states have call successors, (178) [2022-07-12 14:48:43,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:48:43,197 INFO L93 Difference]: Finished difference Result 29224 states and 40550 transitions. [2022-07-12 14:48:43,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:48:43,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 3 states have call successors, (179), 3 states have call predecessors, (179), 2 states have return successors, (178), 2 states have call predecessors, (178), 2 states have call successors, (178) Word has length 2861 [2022-07-12 14:48:43,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:48:43,204 INFO L225 Difference]: With dead ends: 29224 [2022-07-12 14:48:43,204 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 14:48:43,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2861 GetRequests, 2857 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:48:43,270 INFO L413 NwaCegarLoop]: 5215 mSDtfsCounter, 1078 mSDsluCounter, 14289 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 19504 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:48:43,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 19504 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 14:48:43,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 14:48:43,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 14:48:43,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 14:48:43,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 14:48:43,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2861 [2022-07-12 14:48:43,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:48:43,278 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 14:48:43,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 107.75) internal successors, (431), 4 states have internal predecessors, (431), 3 states have call successors, (179), 3 states have call predecessors, (179), 2 states have return successors, (178), 2 states have call predecessors, (178), 2 states have call successors, (178) [2022-07-12 14:48:43,279 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 14:48:43,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 14:48:43,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 14:48:43,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-07-12 14:48:43,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:48:43,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.