./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-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-?-3598765 [2022-07-21 13:18:40,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:18:40,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:18:40,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:18:40,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:18:40,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:18:40,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:18:40,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:18:40,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:18:40,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:18:40,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:18:40,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:18:40,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:18:40,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:18:40,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:18:40,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:18:40,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:18:40,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:18:40,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:18:40,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:18:40,698 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:18:40,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:18:40,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:18:40,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:18:40,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:18:40,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:18:40,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:18:40,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:18:40,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:18:40,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:18:40,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:18:40,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:18:40,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:18:40,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:18:40,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:18:40,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:18:40,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:18:40,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:18:40,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:18:40,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:18:40,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:18:40,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:18:40,714 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:18:40,739 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:18:40,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:18:40,740 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:18:40,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:18:40,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:18:40,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:18:40,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:18:40,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:18:40,742 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:18:40,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:18:40,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:18:40,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:18:40,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:18:40,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:18:40,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:18:40,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:18:40,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:18:40,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:18:40,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:18:40,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:18:40,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:18:40,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:18:40,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:18:40,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:18:40,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:18:40,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:18:40,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:18:40,745 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:18:40,746 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:18:40,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:18:40,746 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e [2022-07-21 13:18:41,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:18:41,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:18:41,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:18:41,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:18:41,017 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:18:41,018 INFO L432 ainManager$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 [2022-07-21 13:18:41,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d2644a58/e94a8d43b818497abb2d1dc590bd5bfa/FLAG3295523e6 [2022-07-21 13:18:41,767 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:18:41,768 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 [2022-07-21 13:18:41,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d2644a58/e94a8d43b818497abb2d1dc590bd5bfa/FLAG3295523e6 [2022-07-21 13:18:42,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d2644a58/e94a8d43b818497abb2d1dc590bd5bfa [2022-07-21 13:18:42,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:18:42,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:18:42,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:18:42,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:18:42,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:18:42,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:18:42" (1/1) ... [2022-07-21 13:18:42,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d8a834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:42, skipping insertion in model container [2022-07-21 13:18:42,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:18:42" (1/1) ... [2022-07-21 13:18:42,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:18:42,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:18:46,324 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] [2022-07-21 13:18:46,326 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] [2022-07-21 13:18:46,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:18:46,385 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:18:46,604 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) [2022-07-21 13:18:46,608 INFO L158 Benchmark]: Toolchain (without parser) took 4505.30ms. Allocated memory was 67.1MB in the beginning and 167.8MB in the end (delta: 100.7MB). Free memory was 42.9MB in the beginning and 100.9MB in the end (delta: -57.9MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2022-07-21 13:18:46,609 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory was 33.9MB in the beginning and 33.9MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 13:18:46,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4503.86ms. Allocated memory was 67.1MB in the beginning and 167.8MB in the end (delta: 100.7MB). Free memory was 42.7MB in the beginning and 100.9MB in the end (delta: -58.1MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2022-07-21 13:18:46,612 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory was 33.9MB in the beginning and 33.9MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4503.86ms. Allocated memory was 67.1MB in the beginning and 167.8MB in the end (delta: 100.7MB). Free memory was 42.7MB in the beginning and 100.9MB in the end (delta: -58.1MB). Peak memory consumption was 69.4MB. 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-?-3598765 [2022-07-21 13:18:48,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:18:48,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:18:48,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:18:48,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:18:48,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:18:48,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:18:48,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:18:48,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:18:48,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:18:48,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:18:48,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:18:48,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:18:48,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:18:48,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:18:48,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:18:48,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:18:48,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:18:48,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:18:48,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:18:48,223 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:18:48,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:18:48,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:18:48,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:18:48,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:18:48,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:18:48,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:18:48,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:18:48,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:18:48,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:18:48,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:18:48,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:18:48,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:18:48,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:18:48,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:18:48,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:18:48,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:18:48,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:18:48,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:18:48,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:18:48,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:18:48,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:18:48,245 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 13:18:48,279 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:18:48,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:18:48,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:18:48,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:18:48,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:18:48,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:18:48,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:18:48,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:18:48,282 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:18:48,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:18:48,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:18:48,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:18:48,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:18:48,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:18:48,284 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 13:18:48,285 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 13:18:48,285 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 13:18:48,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:18:48,285 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:18:48,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:18:48,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:18:48,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:18:48,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:18:48,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:18:48,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:18:48,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:18:48,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:18:48,287 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 13:18:48,287 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 13:18:48,287 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:18:48,288 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:18:48,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:18:48,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 13:18:48,288 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 375b130c0dbad771cfaef84781fc161e5ae1fb4f9856cbf4d088e8198a97450e [2022-07-21 13:18:48,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:18:48,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:18:48,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:18:48,629 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:18:48,630 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:18:48,631 INFO L432 ainManager$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 [2022-07-21 13:18:48,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f4ee815/1b01ab8f3fac476682a5a70f4abbc263/FLAGa6c1c2add [2022-07-21 13:18:49,399 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:18:49,400 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 [2022-07-21 13:18:49,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f4ee815/1b01ab8f3fac476682a5a70f4abbc263/FLAGa6c1c2add [2022-07-21 13:18:49,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f4ee815/1b01ab8f3fac476682a5a70f4abbc263 [2022-07-21 13:18:49,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:18:49,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:18:49,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:18:49,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:18:49,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:18:49,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:18:49" (1/1) ... [2022-07-21 13:18:49,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d200377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:49, skipping insertion in model container [2022-07-21 13:18:49,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:18:49" (1/1) ... [2022-07-21 13:18:49,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:18:50,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:18:53,743 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] [2022-07-21 13:18:53,745 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] [2022-07-21 13:18:53,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:18:53,807 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 13:18:53,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:18:54,263 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] [2022-07-21 13:18:54,264 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] [2022-07-21 13:18:54,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:18:54,284 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:18:54,709 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] [2022-07-21 13:18:54,709 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] [2022-07-21 13:18:54,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:18:54,908 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:18:54,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:54 WrapperNode [2022-07-21 13:18:54,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:18:54,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:18:54,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:18:54,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:18:54,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:54" (1/1) ... [2022-07-21 13:18:54,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:54" (1/1) ... [2022-07-21 13:18:55,145 INFO L137 Inliner]: procedures = 675, calls = 3046, calls flagged for inlining = 319, calls inlined = 257, statements flattened = 5916 [2022-07-21 13:18:55,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:18:55,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:18:55,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:18:55,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:18:55,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:54" (1/1) ... [2022-07-21 13:18:55,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:54" (1/1) ... [2022-07-21 13:18:55,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:54" (1/1) ... [2022-07-21 13:18:55,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:54" (1/1) ... [2022-07-21 13:18:55,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:54" (1/1) ... [2022-07-21 13:18:55,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:54" (1/1) ... [2022-07-21 13:18:55,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:54" (1/1) ... [2022-07-21 13:18:55,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:18:55,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:18:55,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:18:55,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:18:55,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:54" (1/1) ... [2022-07-21 13:18:55,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:18:55,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:18:55,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 13:18:55,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 13:18:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 13:18:55,443 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 13:18:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-21 13:18:55,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-21 13:18:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-21 13:18:55,444 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-21 13:18:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 13:18:55,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 13:18:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-07-21 13:18:55,444 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-07-21 13:18:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:18:55,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:18:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-07-21 13:18:55,445 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-07-21 13:18:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-21 13:18:55,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-21 13:18:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-07-21 13:18:55,445 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-07-21 13:18:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 13:18:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 13:18:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:18:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:18:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-07-21 13:18:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-07-21 13:18:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-07-21 13:18:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-07-21 13:18:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-21 13:18:55,447 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-21 13:18:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 13:18:55,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 13:18:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 13:18:55,447 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 13:18:55,448 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 13:18:55,448 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 13:18:55,448 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-07-21 13:18:55,448 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-07-21 13:18:55,448 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 13:18:55,448 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 13:18:55,449 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-07-21 13:18:55,449 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-07-21 13:18:55,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-07-21 13:18:55,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-07-21 13:18:55,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 13:18:55,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 13:18:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 13:18:55,450 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 13:18:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:18:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:18:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 13:18:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 13:18:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 13:18:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 13:18:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-21 13:18:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 13:18:55,452 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 13:18:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:18:55,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:18:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-21 13:18:55,452 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-21 13:18:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:18:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 13:18:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 13:18:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-07-21 13:18:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-07-21 13:18:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-21 13:18:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-21 13:18:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 13:18:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 13:18:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 13:18:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-21 13:18:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 13:18:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 13:18:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-07-21 13:18:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-07-21 13:18:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 13:18:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 13:18:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-21 13:18:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-21 13:18:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-07-21 13:18:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-07-21 13:18:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 13:18:55,456 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 13:18:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 13:18:55,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 13:18:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:18:55,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:18:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-07-21 13:18:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-07-21 13:18:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 13:18:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 13:18:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-07-21 13:18:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-07-21 13:18:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 13:18:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 13:18:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 13:18:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 13:18:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 13:18:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 13:18:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 13:18:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 13:18:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 13:18:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 13:18:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-21 13:18:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-21 13:18:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-21 13:18:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-21 13:18:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 13:18:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 13:18:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-07-21 13:18:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-07-21 13:18:55,462 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-07-21 13:18:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-07-21 13:18:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-07-21 13:18:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-07-21 13:18:55,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:18:55,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:18:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:18:55,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:18:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:18:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 13:18:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 13:18:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-21 13:18:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-21 13:18:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-07-21 13:18:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-07-21 13:18:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:18:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:18:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:18:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 13:18:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 13:18:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:18:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-21 13:18:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-21 13:18:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 13:18:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 13:18:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:18:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:18:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 13:18:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-21 13:18:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-21 13:18:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 13:18:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 13:18:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-21 13:18:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-21 13:18:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 13:18:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 13:18:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-07-21 13:18:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-07-21 13:18:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 13:18:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 13:18:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 13:18:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 13:18:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 13:18:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 13:18:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 13:18:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 13:18:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 13:18:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-07-21 13:18:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-07-21 13:18:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-21 13:18:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-21 13:18:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:18:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:18:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 13:18:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 13:18:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 13:18:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 13:18:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 13:18:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-07-21 13:18:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-07-21 13:18:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-07-21 13:18:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-07-21 13:18:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 13:18:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 13:18:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 13:18:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-07-21 13:18:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-07-21 13:18:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 13:18:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 13:18:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-07-21 13:18:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-07-21 13:18:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 13:18:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:18:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:18:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:18:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-07-21 13:18:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-07-21 13:18:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-07-21 13:18:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-07-21 13:18:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-07-21 13:18:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-07-21 13:18:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-21 13:18:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-21 13:18:55,478 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-07-21 13:18:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-07-21 13:18:55,478 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 13:18:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 13:18:55,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-21 13:18:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-21 13:18:55,478 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-07-21 13:18:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-07-21 13:18:55,478 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-07-21 13:18:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-07-21 13:18:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-07-21 13:18:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-07-21 13:18:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-07-21 13:18:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-07-21 13:18:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-21 13:18:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-21 13:18:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 13:18:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 13:18:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:18:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:18:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 13:18:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 13:18:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-21 13:18:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-21 13:18:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-21 13:18:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-21 13:18:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-07-21 13:18:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-07-21 13:18:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 13:18:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 13:18:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:18:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-21 13:18:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-21 13:18:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_112 [2022-07-21 13:18:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_112 [2022-07-21 13:18:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 13:18:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 13:18:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:18:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-07-21 13:18:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-07-21 13:18:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-07-21 13:18:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-07-21 13:18:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-07-21 13:18:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-07-21 13:18:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 13:18:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 13:18:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 13:18:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 13:18:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:18:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-07-21 13:18:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-07-21 13:18:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-21 13:18:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-21 13:18:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-21 13:18:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-21 13:18:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 13:18:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 13:18:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:18:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:18:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-07-21 13:18:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-07-21 13:18:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_103 [2022-07-21 13:18:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_103 [2022-07-21 13:18:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-07-21 13:18:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-07-21 13:18:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_105 [2022-07-21 13:18:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_105 [2022-07-21 13:18:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-21 13:18:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-21 13:18:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-07-21 13:18:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-07-21 13:18:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 13:18:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 13:18:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-07-21 13:18:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-07-21 13:18:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 13:18:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 13:18:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 13:18:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 13:18:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-07-21 13:18:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-07-21 13:18:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-07-21 13:18:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-07-21 13:18:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-21 13:18:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-21 13:18:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:18:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:18:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-07-21 13:18:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-07-21 13:18:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 13:18:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 13:18:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 13:18:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 13:18:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-07-21 13:18:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-07-21 13:18:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 13:18:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 13:18:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-07-21 13:18:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-07-21 13:18:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 13:18:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-07-21 13:18:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-07-21 13:18:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 13:18:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 13:18:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 13:18:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-07-21 13:18:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-07-21 13:18:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-07-21 13:18:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-07-21 13:18:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:18:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:18:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_113 [2022-07-21 13:18:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_113 [2022-07-21 13:18:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-07-21 13:18:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-07-21 13:18:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 13:18:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 13:18:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-07-21 13:18:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-07-21 13:18:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-07-21 13:18:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-07-21 13:18:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 13:18:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 13:18:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_104 [2022-07-21 13:18:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_104 [2022-07-21 13:18:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_106 [2022-07-21 13:18:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_106 [2022-07-21 13:18:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 13:18:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 13:18:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-07-21 13:18:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-07-21 13:18:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-21 13:18:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-21 13:18:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:18:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:18:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-07-21 13:18:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-07-21 13:18:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-07-21 13:18:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-07-21 13:18:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-07-21 13:18:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-07-21 13:18:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-07-21 13:18:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-07-21 13:18:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 13:18:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 13:18:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 13:18:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 13:18:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-07-21 13:18:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-07-21 13:18:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:18:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:18:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-21 13:18:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-21 13:18:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-21 13:18:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-21 13:18:56,359 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:18:56,362 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:19:03,183 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:19:39,159 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 13:19:39,815 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:19:39,840 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:19:39,840 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-21 13:19:39,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:19:39 BoogieIcfgContainer [2022-07-21 13:19:39,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:19:39,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:19:39,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:19:39,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:19:39,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:18:49" (1/3) ... [2022-07-21 13:19:39,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c262ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:19:39, skipping insertion in model container [2022-07-21 13:19:39,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:18:54" (2/3) ... [2022-07-21 13:19:39,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c262ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:19:39, skipping insertion in model container [2022-07-21 13:19:39,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:19:39" (3/3) ... [2022-07-21 13:19:39,850 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-21 13:19:39,859 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:19:39,860 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 13:19:39,944 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:19:39,948 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@7f7fd07d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5a9f55a1 [2022-07-21 13:19:39,949 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 13:19:39,960 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) [2022-07-21 13:19:39,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-21 13:19:39,999 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:19:40,000 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] [2022-07-21 13:19:40,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:19:40,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:19:40,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1479212077, now seen corresponding path program 1 times [2022-07-21 13:19:40,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:19:40,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60644543] [2022-07-21 13:19:40,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:19:40,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:19:40,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:19:40,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:19:40,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 13:19:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:41,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:19:41,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:19:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-21 13:19:41,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:19:41,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:19:41,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60644543] [2022-07-21 13:19:41,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [60644543] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:19:41,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:19:41,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:19:41,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933625601] [2022-07-21 13:19:41,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:19:41,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:19:41,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:19:41,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:19:41,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:19:41,561 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) [2022-07-21 13:19:42,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:19:42,780 INFO L93 Difference]: Finished difference Result 7238 states and 10184 transitions. [2022-07-21 13:19:42,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:19:42,782 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 [2022-07-21 13:19:42,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:19:42,824 INFO L225 Difference]: With dead ends: 7238 [2022-07-21 13:19:42,824 INFO L226 Difference]: Without dead ends: 4489 [2022-07-21 13:19:42,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:19:42,847 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, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:19:42,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2633 Valid, 7901 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 13:19:42,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states. [2022-07-21 13:19:43,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 4487. [2022-07-21 13:19:43,049 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) [2022-07-21 13:19:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6191 transitions. [2022-07-21 13:19:43,074 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6191 transitions. Word has length 263 [2022-07-21 13:19:43,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:19:43,075 INFO L495 AbstractCegarLoop]: Abstraction has 4487 states and 6191 transitions. [2022-07-21 13:19:43,075 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) [2022-07-21 13:19:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6191 transitions. [2022-07-21 13:19:43,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1607 [2022-07-21 13:19:43,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:19:43,129 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] [2022-07-21 13:19:43,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 13:19:43,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:19:43,353 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:19:43,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:19:43,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1624747529, now seen corresponding path program 1 times [2022-07-21 13:19:43,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:19:43,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227201995] [2022-07-21 13:19:43,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:19:43,358 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:19:43,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:19:43,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:19:43,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 13:19:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:47,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 6460 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:19:47,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:19:47,493 INFO L134 CoverageAnalysis]: Checked inductivity of 13172 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 12441 trivial. 0 not checked. [2022-07-21 13:19:47,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:19:47,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:19:47,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227201995] [2022-07-21 13:19:47,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227201995] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:19:47,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:19:47,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:19:47,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785078002] [2022-07-21 13:19:47,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:19:47,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:19:47,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:19:47,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:19:47,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:19:47,579 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) [2022-07-21 13:19:48,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:19:48,439 INFO L93 Difference]: Finished difference Result 12675 states and 17461 transitions. [2022-07-21 13:19:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:19:48,440 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 [2022-07-21 13:19:48,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:19:48,494 INFO L225 Difference]: With dead ends: 12675 [2022-07-21 13:19:48,494 INFO L226 Difference]: Without dead ends: 8229 [2022-07-21 13:19:48,517 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 [2022-07-21 13:19:48,518 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 [2022-07-21 13:19:48,519 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] [2022-07-21 13:19:48,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2022-07-21 13:19:48,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8225. [2022-07-21 13:19:48,753 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) [2022-07-21 13:19:48,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8225 states to 8225 states and 11294 transitions. [2022-07-21 13:19:48,787 INFO L78 Accepts]: Start accepts. Automaton has 8225 states and 11294 transitions. Word has length 1606 [2022-07-21 13:19:48,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:19:48,789 INFO L495 AbstractCegarLoop]: Abstraction has 8225 states and 11294 transitions. [2022-07-21 13:19:48,790 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) [2022-07-21 13:19:48,790 INFO L276 IsEmpty]: Start isEmpty. Operand 8225 states and 11294 transitions. [2022-07-21 13:19:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1671 [2022-07-21 13:19:48,866 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:19:48,868 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] [2022-07-21 13:19:49,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 13:19:49,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:19:49,092 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:19:49,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:19:49,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1459216892, now seen corresponding path program 1 times [2022-07-21 13:19:49,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:19:49,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1366481885] [2022-07-21 13:19:49,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:19:49,096 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:19:49,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:19:49,100 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:19:49,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 13:19:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:52,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 6602 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:19:52,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:19:53,589 INFO L134 CoverageAnalysis]: Checked inductivity of 13635 backedges. 1068 proven. 0 refuted. 0 times theorem prover too weak. 12567 trivial. 0 not checked. [2022-07-21 13:19:53,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:19:53,589 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:19:53,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1366481885] [2022-07-21 13:19:53,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1366481885] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:19:53,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:19:53,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:19:53,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928333326] [2022-07-21 13:19:53,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:19:53,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:19:53,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:19:53,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:19:53,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:19:53,595 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) [2022-07-21 13:19:54,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:19:54,499 INFO L93 Difference]: Finished difference Result 20147 states and 27661 transitions. [2022-07-21 13:19:54,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:19:54,500 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 [2022-07-21 13:19:54,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:19:54,563 INFO L225 Difference]: With dead ends: 20147 [2022-07-21 13:19:54,563 INFO L226 Difference]: Without dead ends: 11963 [2022-07-21 13:19:54,600 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 [2022-07-21 13:19:54,602 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 [2022-07-21 13:19:54,604 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] [2022-07-21 13:19:54,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11963 states. [2022-07-21 13:19:54,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11963 to 11959. [2022-07-21 13:19:54,986 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) [2022-07-21 13:19:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11959 states to 11959 states and 16393 transitions. [2022-07-21 13:19:55,027 INFO L78 Accepts]: Start accepts. Automaton has 11959 states and 16393 transitions. Word has length 1670 [2022-07-21 13:19:55,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:19:55,028 INFO L495 AbstractCegarLoop]: Abstraction has 11959 states and 16393 transitions. [2022-07-21 13:19:55,029 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) [2022-07-21 13:19:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 11959 states and 16393 transitions. [2022-07-21 13:19:55,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1745 [2022-07-21 13:19:55,085 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:19:55,086 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] [2022-07-21 13:19:55,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 13:19:55,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:19:55,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:19:55,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:19:55,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1161150069, now seen corresponding path program 1 times [2022-07-21 13:19:55,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:19:55,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410027809] [2022-07-21 13:19:55,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:19:55,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:19:55,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:19:55,306 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:19:55,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 13:19:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:59,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 6742 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 13:19:59,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:19:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 14129 backedges. 1177 proven. 0 refuted. 0 times theorem prover too weak. 12952 trivial. 0 not checked. [2022-07-21 13:19:59,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:19:59,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:19:59,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410027809] [2022-07-21 13:19:59,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410027809] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:19:59,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:19:59,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:19:59,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029113915] [2022-07-21 13:19:59,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:19:59,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:19:59,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:19:59,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:19:59,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:19:59,640 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) [2022-07-21 13:20:00,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:20:00,764 INFO L93 Difference]: Finished difference Result 31205 states and 43593 transitions. [2022-07-21 13:20:00,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 13:20:00,765 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 [2022-07-21 13:20:00,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:20:00,856 INFO L225 Difference]: With dead ends: 31205 [2022-07-21 13:20:00,856 INFO L226 Difference]: Without dead ends: 19287 [2022-07-21 13:20:00,902 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 [2022-07-21 13:20:00,903 INFO L413 NwaCegarLoop]: 5226 mSDtfsCounter, 2711 mSDsluCounter, 8861 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2022-07-21 13:20:00,904 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] [2022-07-21 13:20:00,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19287 states. [2022-07-21 13:20:01,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19287 to 11963. [2022-07-21 13:20:01,361 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) [2022-07-21 13:20:01,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11963 states to 11963 states and 16397 transitions. [2022-07-21 13:20:01,401 INFO L78 Accepts]: Start accepts. Automaton has 11963 states and 16397 transitions. Word has length 1744 [2022-07-21 13:20:01,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:20:01,405 INFO L495 AbstractCegarLoop]: Abstraction has 11963 states and 16397 transitions. [2022-07-21 13:20:01,405 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) [2022-07-21 13:20:01,405 INFO L276 IsEmpty]: Start isEmpty. Operand 11963 states and 16397 transitions. [2022-07-21 13:20:01,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1751 [2022-07-21 13:20:01,517 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:20:01,518 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] [2022-07-21 13:20:01,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 13:20:01,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:20:01,727 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:20:01,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:20:01,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1141678797, now seen corresponding path program 1 times [2022-07-21 13:20:01,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:20:01,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1366438143] [2022-07-21 13:20:01,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:20:01,732 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:20:01,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:20:01,733 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:20:01,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 13:20:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:20:06,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 6773 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 13:20:06,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:20:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 14129 backedges. 1177 proven. 0 refuted. 0 times theorem prover too weak. 12952 trivial. 0 not checked. [2022-07-21 13:20:06,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:20:06,440 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:20:06,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1366438143] [2022-07-21 13:20:06,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1366438143] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:20:06,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:20:06,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:20:06,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730657847] [2022-07-21 13:20:06,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:20:06,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:20:06,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:20:06,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:20:06,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:20:06,443 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) [2022-07-21 13:20:07,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:20:07,140 INFO L93 Difference]: Finished difference Result 27936 states and 38768 transitions. [2022-07-21 13:20:07,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:20:07,141 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 [2022-07-21 13:20:07,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:20:07,195 INFO L225 Difference]: With dead ends: 27936 [2022-07-21 13:20:07,195 INFO L226 Difference]: Without dead ends: 16014 [2022-07-21 13:20:07,226 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 [2022-07-21 13:20:07,227 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 [2022-07-21 13:20:07,228 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] [2022-07-21 13:20:07,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16014 states. [2022-07-21 13:20:07,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16014 to 11973. [2022-07-21 13:20:07,602 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) [2022-07-21 13:20:07,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11973 states to 11973 states and 16411 transitions. [2022-07-21 13:20:07,639 INFO L78 Accepts]: Start accepts. Automaton has 11973 states and 16411 transitions. Word has length 1750 [2022-07-21 13:20:07,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:20:07,640 INFO L495 AbstractCegarLoop]: Abstraction has 11973 states and 16411 transitions. [2022-07-21 13:20:07,641 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) [2022-07-21 13:20:07,641 INFO L276 IsEmpty]: Start isEmpty. Operand 11973 states and 16411 transitions. [2022-07-21 13:20:07,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1751 [2022-07-21 13:20:07,682 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:20:07,684 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] [2022-07-21 13:20:07,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 13:20:07,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:20:07,912 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:20:07,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:20:07,912 INFO L85 PathProgramCache]: Analyzing trace with hash -849561845, now seen corresponding path program 1 times [2022-07-21 13:20:07,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:20:07,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916159446] [2022-07-21 13:20:07,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:20:07,916 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:20:07,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:20:07,917 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:20:07,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 13:20:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:20:12,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 6803 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 13:20:12,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:20:12,819 INFO L134 CoverageAnalysis]: Checked inductivity of 14129 backedges. 967 proven. 0 refuted. 0 times theorem prover too weak. 13162 trivial. 0 not checked. [2022-07-21 13:20:12,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:20:12,819 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:20:12,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916159446] [2022-07-21 13:20:12,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [916159446] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:20:12,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:20:12,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:20:12,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384426553] [2022-07-21 13:20:12,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:20:12,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:20:12,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:20:12,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:20:12,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:20:12,822 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) [2022-07-21 13:20:15,213 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 [] [2022-07-21 13:20:17,471 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 [] [2022-07-21 13:20:19,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:20:19,373 INFO L93 Difference]: Finished difference Result 31309 states and 43751 transitions. [2022-07-21 13:20:19,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:20:19,374 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 [2022-07-21 13:20:19,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:20:19,454 INFO L225 Difference]: With dead ends: 31309 [2022-07-21 13:20:19,454 INFO L226 Difference]: Without dead ends: 19377 [2022-07-21 13:20:19,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1753 GetRequests, 1748 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:20:19,497 INFO L413 NwaCegarLoop]: 5277 mSDtfsCounter, 4587 mSDsluCounter, 12787 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1145 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s 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, 5.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:20:19,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4588 Valid, 18064 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1145 Valid, 28 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-07-21 13:20:19,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19377 states. [2022-07-21 13:20:20,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19377 to 11979. [2022-07-21 13:20:20,067 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) [2022-07-21 13:20:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11979 states to 11979 states and 16417 transitions. [2022-07-21 13:20:20,109 INFO L78 Accepts]: Start accepts. Automaton has 11979 states and 16417 transitions. Word has length 1750 [2022-07-21 13:20:20,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:20:20,111 INFO L495 AbstractCegarLoop]: Abstraction has 11979 states and 16417 transitions. [2022-07-21 13:20:20,111 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) [2022-07-21 13:20:20,111 INFO L276 IsEmpty]: Start isEmpty. Operand 11979 states and 16417 transitions. [2022-07-21 13:20:20,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1772 [2022-07-21 13:20:20,146 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:20:20,147 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] [2022-07-21 13:20:20,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 13:20:20,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:20:20,363 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:20:20,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:20:20,364 INFO L85 PathProgramCache]: Analyzing trace with hash 713989868, now seen corresponding path program 1 times [2022-07-21 13:20:20,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:20:20,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652458545] [2022-07-21 13:20:20,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:20:20,368 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:20:20,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:20:20,369 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:20:20,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 13:20:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:20:25,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 6852 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-21 13:20:25,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:20:26,534 INFO L134 CoverageAnalysis]: Checked inductivity of 14310 backedges. 910 proven. 0 refuted. 0 times theorem prover too weak. 13400 trivial. 0 not checked. [2022-07-21 13:20:26,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:20:26,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:20:26,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [652458545] [2022-07-21 13:20:26,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [652458545] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:20:26,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:20:26,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 13:20:26,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597073001] [2022-07-21 13:20:26,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:20:26,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 13:20:26,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:20:26,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 13:20:26,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:20:26,539 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) [2022-07-21 13:20:31,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:20:31,068 INFO L93 Difference]: Finished difference Result 28857 states and 40110 transitions. [2022-07-21 13:20:31,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 13:20:31,069 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 [2022-07-21 13:20:31,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:20:31,122 INFO L225 Difference]: With dead ends: 28857 [2022-07-21 13:20:31,123 INFO L226 Difference]: Without dead ends: 16919 [2022-07-21 13:20:31,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1782 GetRequests, 1763 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2022-07-21 13:20:31,153 INFO L413 NwaCegarLoop]: 5746 mSDtfsCounter, 4078 mSDsluCounter, 49891 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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 [2022-07-21 13:20:31,154 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] [2022-07-21 13:20:31,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16919 states. [2022-07-21 13:20:31,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16919 to 11991. [2022-07-21 13:20:31,599 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) [2022-07-21 13:20:31,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11991 states to 11991 states and 16449 transitions. [2022-07-21 13:20:31,637 INFO L78 Accepts]: Start accepts. Automaton has 11991 states and 16449 transitions. Word has length 1771 [2022-07-21 13:20:31,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:20:31,639 INFO L495 AbstractCegarLoop]: Abstraction has 11991 states and 16449 transitions. [2022-07-21 13:20:31,639 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) [2022-07-21 13:20:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand 11991 states and 16449 transitions. [2022-07-21 13:20:31,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1788 [2022-07-21 13:20:31,753 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:20:31,754 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] [2022-07-21 13:20:31,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 13:20:31,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:20:31,955 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:20:31,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:20:31,955 INFO L85 PathProgramCache]: Analyzing trace with hash 2073957198, now seen corresponding path program 1 times [2022-07-21 13:20:31,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:20:31,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102501629] [2022-07-21 13:20:31,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:20:31,959 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:20:31,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:20:31,960 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:20:31,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 13:20:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:20:36,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 6886 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:20:36,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:20:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 14494 backedges. 922 proven. 0 refuted. 0 times theorem prover too weak. 13572 trivial. 0 not checked. [2022-07-21 13:20:44,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:20:44,120 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:20:44,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102501629] [2022-07-21 13:20:44,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102501629] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:20:44,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:20:44,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 13:20:44,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046057684] [2022-07-21 13:20:44,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:20:44,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:20:44,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:20:44,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:20:44,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:20:44,123 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) [2022-07-21 13:20:44,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:20:44,483 INFO L93 Difference]: Finished difference Result 23933 states and 32807 transitions. [2022-07-21 13:20:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:20:44,484 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 [2022-07-21 13:20:44,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:20:44,524 INFO L225 Difference]: With dead ends: 23933 [2022-07-21 13:20:44,525 INFO L226 Difference]: Without dead ends: 11983 [2022-07-21 13:20:44,557 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 [2022-07-21 13:20:44,558 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 [2022-07-21 13:20:44,558 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] [2022-07-21 13:20:44,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11983 states. [2022-07-21 13:20:44,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11983 to 11983. [2022-07-21 13:20:44,956 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) [2022-07-21 13:20:44,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11983 states to 11983 states and 16433 transitions. [2022-07-21 13:20:44,998 INFO L78 Accepts]: Start accepts. Automaton has 11983 states and 16433 transitions. Word has length 1787 [2022-07-21 13:20:44,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:20:44,999 INFO L495 AbstractCegarLoop]: Abstraction has 11983 states and 16433 transitions. [2022-07-21 13:20:45,000 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) [2022-07-21 13:20:45,000 INFO L276 IsEmpty]: Start isEmpty. Operand 11983 states and 16433 transitions. [2022-07-21 13:20:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1820 [2022-07-21 13:20:45,101 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:20:45,102 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] [2022-07-21 13:20:45,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-21 13:20:45,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:20:45,303 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:20:45,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:20:45,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1812189645, now seen corresponding path program 1 times [2022-07-21 13:20:45,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:20:45,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896523517] [2022-07-21 13:20:45,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:20:45,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:20:45,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:20:45,308 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:20:45,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 13:20:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:20:51,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 6978 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:20:51,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:20:51,470 INFO L134 CoverageAnalysis]: Checked inductivity of 15368 backedges. 3223 proven. 0 refuted. 0 times theorem prover too weak. 12145 trivial. 0 not checked. [2022-07-21 13:20:51,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:20:51,471 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:20:51,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896523517] [2022-07-21 13:20:51,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896523517] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:20:51,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:20:51,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:20:51,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228105025] [2022-07-21 13:20:51,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:20:51,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:20:51,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:20:51,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:20:51,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:20:51,474 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) [2022-07-21 13:20:51,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:20:51,970 INFO L93 Difference]: Finished difference Result 23973 states and 33378 transitions. [2022-07-21 13:20:51,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:20:51,971 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 [2022-07-21 13:20:51,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:20:52,029 INFO L225 Difference]: With dead ends: 23973 [2022-07-21 13:20:52,029 INFO L226 Difference]: Without dead ends: 12031 [2022-07-21 13:20:52,078 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 [2022-07-21 13:20:52,080 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 [2022-07-21 13:20:52,080 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] [2022-07-21 13:20:52,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12031 states. [2022-07-21 13:20:52,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12031 to 12019. [2022-07-21 13:20:52,537 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) [2022-07-21 13:20:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12019 states to 12019 states and 16487 transitions. [2022-07-21 13:20:52,578 INFO L78 Accepts]: Start accepts. Automaton has 12019 states and 16487 transitions. Word has length 1819 [2022-07-21 13:20:52,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:20:52,579 INFO L495 AbstractCegarLoop]: Abstraction has 12019 states and 16487 transitions. [2022-07-21 13:20:52,579 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) [2022-07-21 13:20:52,579 INFO L276 IsEmpty]: Start isEmpty. Operand 12019 states and 16487 transitions. [2022-07-21 13:20:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1850 [2022-07-21 13:20:52,616 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:20:52,616 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] [2022-07-21 13:20:52,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 13:20:52,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:20:52,828 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:20:52,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:20:52,828 INFO L85 PathProgramCache]: Analyzing trace with hash 559618179, now seen corresponding path program 1 times [2022-07-21 13:20:52,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:20:52,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855432993] [2022-07-21 13:20:52,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:20:52,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:20:52,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:20:52,834 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:20:52,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 13:20:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:20:59,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 7040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:20:59,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:20:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 15733 backedges. 3964 proven. 0 refuted. 0 times theorem prover too weak. 11769 trivial. 0 not checked. [2022-07-21 13:20:59,511 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:20:59,511 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:20:59,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855432993] [2022-07-21 13:20:59,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855432993] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:20:59,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:20:59,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:20:59,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978594557] [2022-07-21 13:20:59,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:20:59,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:20:59,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:20:59,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:20:59,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:20:59,515 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) [2022-07-21 13:20:59,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:20:59,943 INFO L93 Difference]: Finished difference Result 24087 states and 33518 transitions. [2022-07-21 13:20:59,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:20:59,944 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 [2022-07-21 13:20:59,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:20:59,999 INFO L225 Difference]: With dead ends: 24087 [2022-07-21 13:20:59,999 INFO L226 Difference]: Without dead ends: 12109 [2022-07-21 13:21:00,062 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 [2022-07-21 13:21:00,062 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 [2022-07-21 13:21:00,063 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] [2022-07-21 13:21:00,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12109 states. [2022-07-21 13:21:00,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12109 to 12055. [2022-07-21 13:21:00,608 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) [2022-07-21 13:21:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12055 states to 12055 states and 16541 transitions. [2022-07-21 13:21:00,656 INFO L78 Accepts]: Start accepts. Automaton has 12055 states and 16541 transitions. Word has length 1849 [2022-07-21 13:21:00,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:21:00,657 INFO L495 AbstractCegarLoop]: Abstraction has 12055 states and 16541 transitions. [2022-07-21 13:21:00,658 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) [2022-07-21 13:21:00,658 INFO L276 IsEmpty]: Start isEmpty. Operand 12055 states and 16541 transitions. [2022-07-21 13:21:00,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1866 [2022-07-21 13:21:00,696 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:21:00,697 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] [2022-07-21 13:21:00,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 13:21:00,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:21:00,907 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:21:00,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:21:00,908 INFO L85 PathProgramCache]: Analyzing trace with hash -2075765830, now seen corresponding path program 1 times [2022-07-21 13:21:00,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:21:00,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396866622] [2022-07-21 13:21:00,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:21:00,911 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:21:00,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:21:00,912 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) [2022-07-21 13:21:00,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 13:21:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:21:13,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 7075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:21:13,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:21:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 15930 backedges. 2807 proven. 0 refuted. 0 times theorem prover too weak. 13123 trivial. 0 not checked. [2022-07-21 13:21:13,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:21:13,354 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:21:13,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396866622] [2022-07-21 13:21:13,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [396866622] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:21:13,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:21:13,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:21:13,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15514427] [2022-07-21 13:21:13,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:21:13,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:21:13,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:21:13,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:21:13,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:21:13,357 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) [2022-07-21 13:21:15,463 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 [] [2022-07-21 13:21:15,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:21:15,837 INFO L93 Difference]: Finished difference Result 24135 states and 33283 transitions. [2022-07-21 13:21:15,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:21:15,838 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 [2022-07-21 13:21:15,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:21:15,888 INFO L225 Difference]: With dead ends: 24135 [2022-07-21 13:21:15,889 INFO L226 Difference]: Without dead ends: 12121 [2022-07-21 13:21:15,931 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 [2022-07-21 13:21:15,932 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 [2022-07-21 13:21:15,932 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] [2022-07-21 13:21:15,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12121 states. [2022-07-21 13:21:16,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12121 to 12061. [2022-07-21 13:21:16,347 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) [2022-07-21 13:21:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12061 states to 12061 states and 16547 transitions. [2022-07-21 13:21:16,384 INFO L78 Accepts]: Start accepts. Automaton has 12061 states and 16547 transitions. Word has length 1865 [2022-07-21 13:21:16,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:21:16,385 INFO L495 AbstractCegarLoop]: Abstraction has 12061 states and 16547 transitions. [2022-07-21 13:21:16,385 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) [2022-07-21 13:21:16,386 INFO L276 IsEmpty]: Start isEmpty. Operand 12061 states and 16547 transitions. [2022-07-21 13:21:16,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1917 [2022-07-21 13:21:16,478 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:21:16,479 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] [2022-07-21 13:21:16,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-21 13:21:16,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:21:16,692 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:21:16,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:21:16,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1857083787, now seen corresponding path program 1 times [2022-07-21 13:21:16,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:21:16,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731735935] [2022-07-21 13:21:16,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:21:16,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:21:16,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:21:16,697 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) [2022-07-21 13:21:16,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-21 13:21:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:21:29,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 7227 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:21:29,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:21:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 17483 backedges. 2938 proven. 0 refuted. 0 times theorem prover too weak. 14545 trivial. 0 not checked. [2022-07-21 13:21:29,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:21:29,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:21:29,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731735935] [2022-07-21 13:21:29,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731735935] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:21:29,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:21:29,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:21:29,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220403593] [2022-07-21 13:21:29,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:21:29,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:21:29,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:21:29,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:21:29,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:21:29,739 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) [2022-07-21 13:21:30,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:21:30,278 INFO L93 Difference]: Finished difference Result 24111 states and 33241 transitions. [2022-07-21 13:21:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:21:30,280 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 [2022-07-21 13:21:30,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:21:30,342 INFO L225 Difference]: With dead ends: 24111 [2022-07-21 13:21:30,342 INFO L226 Difference]: Without dead ends: 12091 [2022-07-21 13:21:30,377 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 [2022-07-21 13:21:30,377 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 [2022-07-21 13:21:30,377 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] [2022-07-21 13:21:30,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12091 states. [2022-07-21 13:21:30,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12091 to 12067. [2022-07-21 13:21:30,787 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) [2022-07-21 13:21:30,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12067 states to 12067 states and 16553 transitions. [2022-07-21 13:21:30,828 INFO L78 Accepts]: Start accepts. Automaton has 12067 states and 16553 transitions. Word has length 1916 [2022-07-21 13:21:30,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:21:30,829 INFO L495 AbstractCegarLoop]: Abstraction has 12067 states and 16553 transitions. [2022-07-21 13:21:30,830 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) [2022-07-21 13:21:30,830 INFO L276 IsEmpty]: Start isEmpty. Operand 12067 states and 16553 transitions. [2022-07-21 13:21:30,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1966 [2022-07-21 13:21:30,870 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:21:30,871 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] [2022-07-21 13:21:31,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-21 13:21:31,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:21:31,074 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:21:31,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:21:31,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1425305797, now seen corresponding path program 1 times [2022-07-21 13:21:31,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:21:31,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037986435] [2022-07-21 13:21:31,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:21:31,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:21:31,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:21:31,080 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) [2022-07-21 13:21:31,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-21 13:21:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:21:44,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 7366 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 13:21:44,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:21:44,301 INFO L134 CoverageAnalysis]: Checked inductivity of 19148 backedges. 3068 proven. 1 refuted. 0 times theorem prover too weak. 16079 trivial. 0 not checked. [2022-07-21 13:21:44,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:21:46,386 INFO L134 CoverageAnalysis]: Checked inductivity of 19148 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 19132 trivial. 0 not checked. [2022-07-21 13:21:46,387 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:21:46,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037986435] [2022-07-21 13:21:46,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037986435] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 13:21:46,387 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 13:21:46,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-07-21 13:21:46,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112379620] [2022-07-21 13:21:46,388 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 13:21:46,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:21:46,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:21:46,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:21:46,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:21:46,392 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) [2022-07-21 13:21:47,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:21:47,345 INFO L93 Difference]: Finished difference Result 24183 states and 33349 transitions. [2022-07-21 13:21:47,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:21:47,346 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 [2022-07-21 13:21:47,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:21:47,386 INFO L225 Difference]: With dead ends: 24183 [2022-07-21 13:21:47,387 INFO L226 Difference]: Without dead ends: 12157 [2022-07-21 13:21:47,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3929 GetRequests, 3924 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:21:47,416 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 [2022-07-21 13:21:47,416 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] [2022-07-21 13:21:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12157 states. [2022-07-21 13:21:47,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12157 to 12157. [2022-07-21 13:21:47,787 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) [2022-07-21 13:21:47,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12157 states to 12157 states and 16679 transitions. [2022-07-21 13:21:47,824 INFO L78 Accepts]: Start accepts. Automaton has 12157 states and 16679 transitions. Word has length 1965 [2022-07-21 13:21:47,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:21:47,826 INFO L495 AbstractCegarLoop]: Abstraction has 12157 states and 16679 transitions. [2022-07-21 13:21:47,826 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) [2022-07-21 13:21:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 12157 states and 16679 transitions. [2022-07-21 13:21:47,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2113 [2022-07-21 13:21:47,867 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:21:47,867 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] [2022-07-21 13:21:48,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-07-21 13:21:48,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:21:48,071 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:21:48,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:21:48,072 INFO L85 PathProgramCache]: Analyzing trace with hash -744427531, now seen corresponding path program 2 times [2022-07-21 13:21:48,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:21:48,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475774222] [2022-07-21 13:21:48,075 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 13:21:48,076 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:21:48,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:21:48,077 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) [2022-07-21 13:21:48,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-21 13:21:49,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 13:21:49,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 13:21:49,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:21:49,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:21:49,966 INFO L134 CoverageAnalysis]: Checked inductivity of 24845 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24845 trivial. 0 not checked. [2022-07-21 13:21:49,966 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:21:49,966 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:21:49,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475774222] [2022-07-21 13:21:49,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [475774222] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:21:49,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:21:49,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:21:49,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343845292] [2022-07-21 13:21:49,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:21:49,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:21:49,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:21:49,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:21:49,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:21:49,969 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) [2022-07-21 13:21:50,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:21:50,595 INFO L93 Difference]: Finished difference Result 28272 states and 39228 transitions. [2022-07-21 13:21:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:21:50,596 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 [2022-07-21 13:21:50,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:21:50,646 INFO L225 Difference]: With dead ends: 28272 [2022-07-21 13:21:50,646 INFO L226 Difference]: Without dead ends: 16156 [2022-07-21 13:21:50,677 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 [2022-07-21 13:21:50,677 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 [2022-07-21 13:21:50,678 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] [2022-07-21 13:21:50,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16156 states. [2022-07-21 13:21:51,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16156 to 12160. [2022-07-21 13:21:51,143 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) [2022-07-21 13:21:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12160 states to 12160 states and 16682 transitions. [2022-07-21 13:21:51,184 INFO L78 Accepts]: Start accepts. Automaton has 12160 states and 16682 transitions. Word has length 2112 [2022-07-21 13:21:51,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:21:51,185 INFO L495 AbstractCegarLoop]: Abstraction has 12160 states and 16682 transitions. [2022-07-21 13:21:51,186 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) [2022-07-21 13:21:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 12160 states and 16682 transitions. [2022-07-21 13:21:51,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2121 [2022-07-21 13:21:51,280 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:21:51,280 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] [2022-07-21 13:21:51,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-21 13:21:51,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:21:51,481 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:21:51,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:21:51,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1218732447, now seen corresponding path program 1 times [2022-07-21 13:21:51,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:21:51,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717172324] [2022-07-21 13:21:51,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:21:51,486 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:21:51,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:21:51,487 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) [2022-07-21 13:21:51,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-21 13:22:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:22:06,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 7802 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 13:22:06,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:22:06,758 INFO L134 CoverageAnalysis]: Checked inductivity of 24857 backedges. 3457 proven. 1 refuted. 0 times theorem prover too weak. 21399 trivial. 0 not checked. [2022-07-21 13:22:06,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:22:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 24857 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 24842 trivial. 0 not checked. [2022-07-21 13:22:09,137 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:22:09,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717172324] [2022-07-21 13:22:09,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717172324] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 13:22:09,137 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 13:22:09,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-07-21 13:22:09,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925124390] [2022-07-21 13:22:09,138 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 13:22:09,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:22:09,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:22:09,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:22:09,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:22:09,141 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) [2022-07-21 13:22:11,307 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 [] [2022-07-21 13:22:12,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:22:12,034 INFO L93 Difference]: Finished difference Result 24765 states and 34165 transitions. [2022-07-21 13:22:12,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:22:12,036 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 [2022-07-21 13:22:12,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:22:12,085 INFO L225 Difference]: With dead ends: 24765 [2022-07-21 13:22:12,085 INFO L226 Difference]: Without dead ends: 12646 [2022-07-21 13:22:12,120 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 [2022-07-21 13:22:12,121 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 [2022-07-21 13:22:12,122 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] [2022-07-21 13:22:12,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12646 states. [2022-07-21 13:22:12,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12646 to 12646. [2022-07-21 13:22:12,579 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) [2022-07-21 13:22:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12646 states to 12646 states and 17366 transitions. [2022-07-21 13:22:12,619 INFO L78 Accepts]: Start accepts. Automaton has 12646 states and 17366 transitions. Word has length 2120 [2022-07-21 13:22:12,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:22:12,620 INFO L495 AbstractCegarLoop]: Abstraction has 12646 states and 17366 transitions. [2022-07-21 13:22:12,621 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) [2022-07-21 13:22:12,621 INFO L276 IsEmpty]: Start isEmpty. Operand 12646 states and 17366 transitions. [2022-07-21 13:22:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2862 [2022-07-21 13:22:12,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:22:12,681 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] [2022-07-21 13:22:12,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-21 13:22:12,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:22:12,883 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:22:12,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:22:12,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1960139684, now seen corresponding path program 2 times [2022-07-21 13:22:12,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:22:12,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464542284] [2022-07-21 13:22:12,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 13:22:12,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:22:12,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:22:12,890 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) [2022-07-21 13:22:12,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-21 13:22:14,758 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 13:22:14,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 13:22:14,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 13:22:14,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:22:15,138 INFO L134 CoverageAnalysis]: Checked inductivity of 68972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68972 trivial. 0 not checked. [2022-07-21 13:22:15,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:22:15,138 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:22:15,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464542284] [2022-07-21 13:22:15,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464542284] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:22:15,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:22:15,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:22:15,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605142994] [2022-07-21 13:22:15,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:22:15,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:22:15,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:22:15,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:22:15,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:22:15,157 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) [2022-07-21 13:22:15,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:22:15,941 INFO L93 Difference]: Finished difference Result 29224 states and 40550 transitions. [2022-07-21 13:22:15,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:22:15,942 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 [2022-07-21 13:22:15,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:22:15,949 INFO L225 Difference]: With dead ends: 29224 [2022-07-21 13:22:15,949 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 13:22:16,019 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 [2022-07-21 13:22:16,019 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 [2022-07-21 13:22:16,020 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] [2022-07-21 13:22:16,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 13:22:16,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 13:22:16,020 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) [2022-07-21 13:22:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 13:22:16,030 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2861 [2022-07-21 13:22:16,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:22:16,030 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 13:22:16,031 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) [2022-07-21 13:22:16,031 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 13:22:16,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 13:22:16,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 13:22:16,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-07-21 13:22:16,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:22:16,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.