./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.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 fe434f0112be26c4714543d386b3350bd2a9bdce09b4b83ffbdf4c55da2983b7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:56:30,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:56:30,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:56:30,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:56:30,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:56:30,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:56:30,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:56:30,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:56:30,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:56:30,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:56:30,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:56:30,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:56:30,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:56:30,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:56:30,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:56:30,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:56:30,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:56:30,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:56:30,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:56:30,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:56:30,710 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:56:30,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:56:30,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:56:30,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:56:30,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:56:30,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:56:30,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:56:30,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:56:30,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:56:30,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:56:30,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:56:30,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:56:30,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:56:30,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:56:30,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:56:30,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:56:30,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:56:30,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:56:30,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:56:30,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:56:30,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:56:30,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:56:30,729 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:56:30,745 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:56:30,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:56:30,748 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:56:30,748 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:56:30,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:56:30,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:56:30,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:56:30,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:56:30,749 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:56:30,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:56:30,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:56:30,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:56:30,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:56:30,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:56:30,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:56:30,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:56:30,751 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:56:30,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:56:30,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:56:30,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:56:30,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:56:30,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:56:30,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:56:30,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:56:30,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:56:30,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:56:30,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:56:30,753 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:56:30,753 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:56:30,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:56:30,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe434f0112be26c4714543d386b3350bd2a9bdce09b4b83ffbdf4c55da2983b7 [2022-07-23 02:56:30,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:56:30,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:56:30,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:56:30,941 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:56:30,941 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:56:30,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-23 02:56:31,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be44b84f/a9a0cd0aea4f42359c64b802e61f88f4/FLAGe91c44c81 [2022-07-23 02:56:31,597 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:56:31,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-23 02:56:31,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be44b84f/a9a0cd0aea4f42359c64b802e61f88f4/FLAGe91c44c81 [2022-07-23 02:56:31,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be44b84f/a9a0cd0aea4f42359c64b802e61f88f4 [2022-07-23 02:56:31,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:56:31,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:56:31,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:56:31,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:56:31,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:56:31,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:56:31" (1/1) ... [2022-07-23 02:56:31,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1176757d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:31, skipping insertion in model container [2022-07-23 02:56:31,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:56:31" (1/1) ... [2022-07-23 02:56:31,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:56:31,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:56:33,501 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339084,339097] [2022-07-23 02:56:33,504 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339229,339242] [2022-07-23 02:56:33,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:56:33,579 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:56:33,767 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: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7920] 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 02:56:33,772 INFO L158 Benchmark]: Toolchain (without parser) took 2016.90ms. Allocated memory was 111.1MB in the beginning and 163.6MB in the end (delta: 52.4MB). Free memory was 81.6MB in the beginning and 103.0MB in the end (delta: -21.4MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2022-07-23 02:56:33,773 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 02:56:33,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2014.32ms. Allocated memory was 111.1MB in the beginning and 163.6MB in the end (delta: 52.4MB). Free memory was 81.6MB in the beginning and 103.5MB in the end (delta: -21.9MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2022-07-23 02:56:33,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2014.32ms. Allocated memory was 111.1MB in the beginning and 163.6MB in the end (delta: 52.4MB). Free memory was 81.6MB in the beginning and 103.5MB in the end (delta: -21.9MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7920] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7920]: 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.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 fe434f0112be26c4714543d386b3350bd2a9bdce09b4b83ffbdf4c55da2983b7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:56:35,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:56:35,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:56:35,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:56:35,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:56:35,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:56:35,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:56:35,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:56:35,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:56:35,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:56:35,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:56:35,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:56:35,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:56:35,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:56:35,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:56:35,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:56:35,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:56:35,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:56:35,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:56:35,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:56:35,328 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:56:35,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:56:35,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:56:35,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:56:35,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:56:35,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:56:35,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:56:35,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:56:35,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:56:35,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:56:35,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:56:35,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:56:35,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:56:35,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:56:35,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:56:35,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:56:35,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:56:35,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:56:35,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:56:35,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:56:35,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:56:35,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:56:35,362 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 02:56:35,395 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:56:35,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:56:35,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:56:35,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:56:35,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:56:35,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:56:35,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:56:35,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:56:35,397 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:56:35,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:56:35,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:56:35,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:56:35,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:56:35,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:56:35,398 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 02:56:35,398 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 02:56:35,398 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 02:56:35,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:56:35,398 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:56:35,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:56:35,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:56:35,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:56:35,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:56:35,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:56:35,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:56:35,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:56:35,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:56:35,399 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 02:56:35,399 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 02:56:35,399 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:56:35,399 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:56:35,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:56:35,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 02:56:35,400 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe434f0112be26c4714543d386b3350bd2a9bdce09b4b83ffbdf4c55da2983b7 [2022-07-23 02:56:35,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:56:35,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:56:35,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:56:35,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:56:35,664 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:56:35,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-23 02:56:35,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1239f22b8/e1e976e9ea864f9e99a4ba905dbfd943/FLAGe68ed9ce5 [2022-07-23 02:56:36,399 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:56:36,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-23 02:56:36,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1239f22b8/e1e976e9ea864f9e99a4ba905dbfd943/FLAGe68ed9ce5 [2022-07-23 02:56:36,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1239f22b8/e1e976e9ea864f9e99a4ba905dbfd943 [2022-07-23 02:56:36,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:56:36,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:56:36,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:56:36,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:56:36,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:56:36,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:56:36" (1/1) ... [2022-07-23 02:56:36,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ae159a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:36, skipping insertion in model container [2022-07-23 02:56:36,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:56:36" (1/1) ... [2022-07-23 02:56:36,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:56:36,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:56:38,923 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339084,339097] [2022-07-23 02:56:38,925 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339229,339242] [2022-07-23 02:56:38,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:56:38,990 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 02:56:39,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:56:39,330 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339084,339097] [2022-07-23 02:56:39,331 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339229,339242] [2022-07-23 02:56:39,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:56:39,350 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:56:39,662 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339084,339097] [2022-07-23 02:56:39,662 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_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[339229,339242] [2022-07-23 02:56:39,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:56:39,795 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:56:39,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:39 WrapperNode [2022-07-23 02:56:39,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:56:39,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:56:39,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:56:39,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:56:39,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:39" (1/1) ... [2022-07-23 02:56:39,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:39" (1/1) ... [2022-07-23 02:56:40,019 INFO L137 Inliner]: procedures = 439, calls = 2331, calls flagged for inlining = 195, calls inlined = 180, statements flattened = 4774 [2022-07-23 02:56:40,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:56:40,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:56:40,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:56:40,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:56:40,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:39" (1/1) ... [2022-07-23 02:56:40,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:39" (1/1) ... [2022-07-23 02:56:40,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:39" (1/1) ... [2022-07-23 02:56:40,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:39" (1/1) ... [2022-07-23 02:56:40,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:39" (1/1) ... [2022-07-23 02:56:40,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:39" (1/1) ... [2022-07-23 02:56:40,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:39" (1/1) ... [2022-07-23 02:56:40,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:56:40,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:56:40,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:56:40,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:56:40,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:39" (1/1) ... [2022-07-23 02:56:40,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:56:40,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:56:40,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 02:56:40,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 02:56:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2022-07-23 02:56:40,359 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2022-07-23 02:56:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:56:40,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:56:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:56:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:56:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:56:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:56:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2022-07-23 02:56:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2022-07-23 02:56:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2022-07-23 02:56:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2022-07-23 02:56:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:56:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:56:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2022-07-23 02:56:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2022-07-23 02:56:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2022-07-23 02:56:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2022-07-23 02:56:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:56:40,362 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:56:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tlan_priv [2022-07-23 02:56:40,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tlan_priv [2022-07-23 02:56:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2022-07-23 02:56:40,362 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2022-07-23 02:56:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2022-07-23 02:56:40,362 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2022-07-23 02:56:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 02:56:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 02:56:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:56:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:56:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:56:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:56:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:56:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:56:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 02:56:40,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 02:56:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:56:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 02:56:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 02:56:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 02:56:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 02:56:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:56:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:56:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2022-07-23 02:56:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2022-07-23 02:56:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2022-07-23 02:56:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2022-07-23 02:56:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:56:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:56:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2022-07-23 02:56:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2022-07-23 02:56:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 02:56:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 02:56:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tlan_priv [2022-07-23 02:56:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tlan_priv [2022-07-23 02:56:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2022-07-23 02:56:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2022-07-23 02:56:40,367 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2022-07-23 02:56:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2022-07-23 02:56:40,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:56:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:56:40,367 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:56:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:56:40,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 02:56:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 02:56:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:56:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:56:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:56:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:56:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 02:56:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 02:56:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2022-07-23 02:56:40,369 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2022-07-23 02:56:40,369 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_timer [2022-07-23 02:56:40,369 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_timer [2022-07-23 02:56:40,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2022-07-23 02:56:40,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2022-07-23 02:56:40,369 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2022-07-23 02:56:40,369 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2022-07-23 02:56:40,369 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 02:56:40,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 02:56:40,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_88 [2022-07-23 02:56:40,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_88 [2022-07-23 02:56:40,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:56:40,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:56:40,370 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2022-07-23 02:56:40,370 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2022-07-23 02:56:40,370 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2022-07-23 02:56:40,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2022-07-23 02:56:40,371 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2022-07-23 02:56:40,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2022-07-23 02:56:40,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:56:40,371 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-07-23 02:56:40,371 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-07-23 02:56:40,371 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2022-07-23 02:56:40,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2022-07-23 02:56:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-23 02:56:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-23 02:56:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:56:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:56:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:56:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:56:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:56:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:56:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 02:56:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:56:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:56:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2022-07-23 02:56:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2022-07-23 02:56:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:56:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:56:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 02:56:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 02:56:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 02:56:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 02:56:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:56:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:56:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:56:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:56:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-23 02:56:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-23 02:56:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2022-07-23 02:56:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2022-07-23 02:56:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2022-07-23 02:56:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2022-07-23 02:56:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:56:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:56:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 02:56:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 02:56:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-07-23 02:56:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-07-23 02:56:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 02:56:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_up [2022-07-23 02:56:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_up [2022-07-23 02:56:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 02:56:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:56:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:56:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 02:56:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 02:56:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-23 02:56:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-23 02:56:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2022-07-23 02:56:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2022-07-23 02:56:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2022-07-23 02:56:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2022-07-23 02:56:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 02:56:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 02:56:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_finish_auto_neg [2022-07-23 02:56:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_finish_auto_neg [2022-07-23 02:56:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 02:56:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 02:56:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:56:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:56:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-23 02:56:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-23 02:56:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_start_link [2022-07-23 02:56:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_start_link [2022-07-23 02:56:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:56:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2022-07-23 02:56:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2022-07-23 02:56:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:56:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:56:40,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:56:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 02:56:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 02:56:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2022-07-23 02:56:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2022-07-23 02:56:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 02:56:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 02:56:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 02:56:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 02:56:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:56:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2022-07-23 02:56:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2022-07-23 02:56:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2022-07-23 02:56:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2022-07-23 02:56:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-23 02:56:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-23 02:56:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:56:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:56:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-23 02:56:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-23 02:56:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:56:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:56:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-23 02:56:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-23 02:56:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2022-07-23 02:56:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2022-07-23 02:56:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2022-07-23 02:56:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2022-07-23 02:56:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 02:56:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 02:56:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:56:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:56:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2022-07-23 02:56:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2022-07-23 02:56:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-23 02:56:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-23 02:56:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2022-07-23 02:56:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2022-07-23 02:56:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2022-07-23 02:56:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2022-07-23 02:56:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2022-07-23 02:56:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2022-07-23 02:56:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:56:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:56:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2022-07-23 02:56:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2022-07-23 02:56:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 02:56:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 02:56:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2022-07-23 02:56:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2022-07-23 02:56:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2022-07-23 02:56:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2022-07-23 02:56:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_reset [2022-07-23 02:56:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_reset [2022-07-23 02:56:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2022-07-23 02:56:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2022-07-23 02:56:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:56:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:56:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2022-07-23 02:56:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2022-07-23 02:56:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 02:56:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 02:56:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-23 02:56:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-23 02:56:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-07-23 02:56:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-07-23 02:56:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-23 02:56:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-23 02:56:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-23 02:56:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-23 02:56:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-23 02:56:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:56:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:56:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 02:56:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 02:56:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-07-23 02:56:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-07-23 02:56:41,102 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:56:41,104 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:56:51,354 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:57:12,808 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6972: assume 1bv32 != ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___3~1#1); [2022-07-23 02:57:12,809 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6972: assume !(1bv32 != ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___3~1#1)); [2022-07-23 02:57:12,809 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7005: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet339#1; [2022-07-23 02:57:12,809 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7005: assume !(16bv32 == ~debug~0); [2022-07-23 02:57:12,809 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-23 02:57:12,809 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974-1: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet340#1; [2022-07-23 02:57:12,809 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974-1: assume !(16bv32 == ~debug~0); [2022-07-23 02:57:12,809 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6945: assume 0bv64 == ~bvadd64(tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset); [2022-07-23 02:57:12,810 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6945: assume !(0bv64 == ~bvadd64(tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset)); [2022-07-23 02:57:12,810 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6979: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet336#1; [2022-07-23 02:57:12,810 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6979: assume !(16bv32 == ~debug~0); [2022-07-23 02:57:12,810 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7045: assume ~bvsle64(tlan_eisa_probe_~ioaddr~0#1, 36863bv64); [2022-07-23 02:57:12,810 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7045: assume !~bvsle64(tlan_eisa_probe_~ioaddr~0#1, 36863bv64); [2022-07-23 02:57:12,810 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6979-2: SUMMARY for call tlan_eisa_probe_#t~ret337#1 := inb(~bvadd32(3264bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-23 02:57:12,810 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: assume 0bv32 != ~bvand32(16bv32, ~debug~0); [2022-07-23 02:57:12,810 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-23 02:57:12,810 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6950: SUMMARY for call tlan_eisa_probe_#t~ret333#1 := inw(~bvadd32(3200bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-23 02:57:12,811 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6950-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret333#1;havoc tlan_eisa_probe_#t~ret333#1; [2022-07-23 02:57:12,811 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7017: SUMMARY for call tlan_eisa_probe_#t~ret338#1 := tlan_probe1(0bv64, 0bv64, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12bv32, 0bv64, 0bv64); srcloc: null [2022-07-23 02:57:12,811 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6952: assume 4366bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~tmp___2~2#1); [2022-07-23 02:57:12,811 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6952: assume !(4366bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~tmp___2~2#1)); [2022-07-23 02:57:12,811 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6986: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret337#1;havoc tlan_eisa_probe_#t~ret337#1; [2022-07-23 02:57:12,811 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6954: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-23 02:57:12,811 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6921-1: assume 0bv32 != ~bvand32(16bv32, ~debug~0); [2022-07-23 02:57:12,811 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6921-1: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-23 02:57:12,812 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923-1: tlan_eisa_probe_~tmp~35#1 := tlan_eisa_probe_#t~ret327#1;havoc tlan_eisa_probe_#t~ret327#1;havoc tlan_eisa_probe_#t~nondet328#1; [2022-07-23 02:57:12,812 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: SUMMARY for call tlan_eisa_probe_#t~ret327#1 := inw(~bvadd32(3200bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-23 02:57:12,812 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6989: assume 16bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-23 02:57:12,812 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6989: assume !(16bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1)); [2022-07-23 02:57:12,812 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6990: tlan_eisa_probe_~irq~0#1 := 5bv32; [2022-07-23 02:57:12,812 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7024: tlan_eisa_probe_~rc~2#1 := tlan_eisa_probe_#t~ret338#1;havoc tlan_eisa_probe_#t~ret338#1; [2022-07-23 02:57:12,812 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6960-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret334#1;havoc tlan_eisa_probe_#t~ret334#1; [2022-07-23 02:57:12,812 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6960: SUMMARY for call tlan_eisa_probe_#t~ret334#1 := inw(~bvadd32(3202bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-23 02:57:12,812 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6993: assume 32bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-23 02:57:12,813 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6993: assume !(32bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1)); [2022-07-23 02:57:12,813 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6994: tlan_eisa_probe_~irq~0#1 := 9bv32; [2022-07-23 02:57:12,813 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6928-1: assume 0bv32 != ~bvand32(16bv32, ~debug~0);havoc tlan_eisa_probe_#t~nondet331#1; [2022-07-23 02:57:12,813 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6928-1: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-23 02:57:12,813 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: assume 8433bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1) && 16625bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1); [2022-07-23 02:57:12,813 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: assume !(8433bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1) && 16625bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1)); [2022-07-23 02:57:12,813 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6930: SUMMARY for call tlan_eisa_probe_#t~ret329#1 := inw(~bvadd32(3202bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-23 02:57:12,813 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6930-1: tlan_eisa_probe_~tmp___0~12#1 := tlan_eisa_probe_#t~ret329#1;havoc tlan_eisa_probe_#t~ret329#1;havoc tlan_eisa_probe_#t~nondet330#1; [2022-07-23 02:57:12,814 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6964: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-23 02:57:12,814 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6997: assume 64bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-23 02:57:12,814 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6997: assume !(64bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1)); [2022-07-23 02:57:12,814 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6998: tlan_eisa_probe_~irq~0#1 := 10bv32; [2022-07-23 02:57:12,814 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935-1: call tlan_eisa_probe_#t~ret332#1.base, tlan_eisa_probe_#t~ret332#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0bv32);tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset := tlan_eisa_probe_#t~ret332#1.base, tlan_eisa_probe_#t~ret332#1.offset;havoc tlan_eisa_probe_#t~ret332#1.base, tlan_eisa_probe_#t~ret332#1.offset; [2022-07-23 02:57:12,814 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7001: assume 128bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-23 02:57:12,814 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7001: assume !(128bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1)); [2022-07-23 02:57:12,814 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7002: tlan_eisa_probe_~irq~0#1 := 11bv32; [2022-07-23 02:57:12,814 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6970: SUMMARY for call tlan_eisa_probe_#t~ret335#1 := inb(~bvadd32(3204bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-23 02:57:12,815 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7036-1: tlan_eisa_probe_~ioaddr~0#1 := ~bvadd64(4096bv64, tlan_eisa_probe_~ioaddr~0#1); [2022-07-23 02:57:12,815 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6970-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret335#1;havoc tlan_eisa_probe_#t~ret335#1; [2022-07-23 02:57:12,892 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:57:12,904 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:57:12,905 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 02:57:12,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:57:12 BoogieIcfgContainer [2022-07-23 02:57:12,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:57:12,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:57:12,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:57:12,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:57:12,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:56:36" (1/3) ... [2022-07-23 02:57:12,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72284132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:57:12, skipping insertion in model container [2022-07-23 02:57:12,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:39" (2/3) ... [2022-07-23 02:57:12,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72284132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:57:12, skipping insertion in model container [2022-07-23 02:57:12,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:57:12" (3/3) ... [2022-07-23 02:57:12,912 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-07-23 02:57:12,921 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:57:12,922 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 02:57:13,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:57:13,026 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@2a79ff5a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6c4404f4 [2022-07-23 02:57:13,027 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 02:57:13,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 1996 states, 1285 states have (on average 1.2568093385214008) internal successors, (1615), 1339 states have internal predecessors, (1615), 602 states have call successors, (602), 108 states have call predecessors, (602), 107 states have return successors, (598), 580 states have call predecessors, (598), 598 states have call successors, (598) [2022-07-23 02:57:13,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-23 02:57:13,062 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:13,063 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:57:13,063 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:13,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:13,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1038281529, now seen corresponding path program 1 times [2022-07-23 02:57:13,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:57:13,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743030724] [2022-07-23 02:57:13,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:13,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:57:13,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:57:13,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:57:13,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 02:57:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:14,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:57:14,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:57:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-07-23 02:57:14,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:57:14,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:57:14,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743030724] [2022-07-23 02:57:14,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743030724] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:14,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:14,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 02:57:14,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494351092] [2022-07-23 02:57:14,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:14,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:57:14,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:57:14,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:57:14,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:57:14,853 INFO L87 Difference]: Start difference. First operand has 1996 states, 1285 states have (on average 1.2568093385214008) internal successors, (1615), 1339 states have internal predecessors, (1615), 602 states have call successors, (602), 108 states have call predecessors, (602), 107 states have return successors, (598), 580 states have call predecessors, (598), 598 states have call successors, (598) Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-23 02:57:16,955 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 [] [2022-07-23 02:57:17,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:17,755 INFO L93 Difference]: Finished difference Result 5711 states and 8287 transitions. [2022-07-23 02:57:17,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:57:17,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 172 [2022-07-23 02:57:17,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:17,796 INFO L225 Difference]: With dead ends: 5711 [2022-07-23 02:57:17,796 INFO L226 Difference]: Without dead ends: 3550 [2022-07-23 02:57:17,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:57:17,824 INFO L413 NwaCegarLoop]: 3915 mSDtfsCounter, 2422 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 30 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2422 SdHoareTripleChecker+Valid, 6626 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:17,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2422 Valid, 6626 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 88 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-07-23 02:57:17,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3550 states. [2022-07-23 02:57:17,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3550 to 3533. [2022-07-23 02:57:18,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3533 states, 2298 states have (on average 1.2389033942558747) internal successors, (2847), 2394 states have internal predecessors, (2847), 1033 states have call successors, (1033), 201 states have call predecessors, (1033), 201 states have return successors, (1042), 999 states have call predecessors, (1042), 1033 states have call successors, (1042) [2022-07-23 02:57:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3533 states and 4922 transitions. [2022-07-23 02:57:18,039 INFO L78 Accepts]: Start accepts. Automaton has 3533 states and 4922 transitions. Word has length 172 [2022-07-23 02:57:18,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:18,040 INFO L495 AbstractCegarLoop]: Abstraction has 3533 states and 4922 transitions. [2022-07-23 02:57:18,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-23 02:57:18,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3533 states and 4922 transitions. [2022-07-23 02:57:18,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-23 02:57:18,049 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:18,049 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:57:18,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:57:18,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:57:18,271 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:18,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:18,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1102762759, now seen corresponding path program 1 times [2022-07-23 02:57:18,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:57:18,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095038194] [2022-07-23 02:57:18,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:18,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:57:18,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:57:18,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:57:18,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 02:57:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:20,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-23 02:57:20,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:57:21,629 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-07-23 02:57:21,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:57:21,629 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:57:21,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2095038194] [2022-07-23 02:57:21,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2095038194] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:21,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:21,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-23 02:57:21,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846845930] [2022-07-23 02:57:21,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:21,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 02:57:21,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:57:21,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 02:57:21,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-23 02:57:21,633 INFO L87 Difference]: Start difference. First operand 3533 states and 4922 transitions. Second operand has 12 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-23 02:57:24,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:24,348 INFO L93 Difference]: Finished difference Result 7055 states and 9828 transitions. [2022-07-23 02:57:24,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 02:57:24,349 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) Word has length 172 [2022-07-23 02:57:24,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:24,385 INFO L225 Difference]: With dead ends: 7055 [2022-07-23 02:57:24,385 INFO L226 Difference]: Without dead ends: 3537 [2022-07-23 02:57:24,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-07-23 02:57:24,411 INFO L413 NwaCegarLoop]: 2639 mSDtfsCounter, 70 mSDsluCounter, 20935 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 23574 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:24,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 23574 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 02:57:24,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3537 states. [2022-07-23 02:57:24,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3537 to 3533. [2022-07-23 02:57:24,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3533 states, 2298 states have (on average 1.238468233246301) internal successors, (2846), 2393 states have internal predecessors, (2846), 1033 states have call successors, (1033), 201 states have call predecessors, (1033), 201 states have return successors, (1042), 999 states have call predecessors, (1042), 1033 states have call successors, (1042) [2022-07-23 02:57:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3533 states and 4921 transitions. [2022-07-23 02:57:24,558 INFO L78 Accepts]: Start accepts. Automaton has 3533 states and 4921 transitions. Word has length 172 [2022-07-23 02:57:24,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:24,563 INFO L495 AbstractCegarLoop]: Abstraction has 3533 states and 4921 transitions. [2022-07-23 02:57:24,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-23 02:57:24,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3533 states and 4921 transitions. [2022-07-23 02:57:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-07-23 02:57:24,566 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:24,566 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 02:57:24,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 02:57:24,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:57:24,795 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:24,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:24,796 INFO L85 PathProgramCache]: Analyzing trace with hash -102246426, now seen corresponding path program 1 times [2022-07-23 02:57:24,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:57:24,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453545715] [2022-07-23 02:57:24,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:24,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:57:24,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:57:24,804 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:57:24,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:57:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:26,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-23 02:57:26,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:57:27,680 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-23 02:57:27,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:57:27,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:57:27,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453545715] [2022-07-23 02:57:27,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453545715] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:27,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:27,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-23 02:57:27,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998429309] [2022-07-23 02:57:27,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:27,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-23 02:57:27,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:57:27,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-23 02:57:27,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-23 02:57:27,685 INFO L87 Difference]: Start difference. First operand 3533 states and 4921 transitions. Second operand has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (20), 6 states have call predecessors, (20), 5 states have call successors, (20) [2022-07-23 02:57:31,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:31,702 INFO L93 Difference]: Finished difference Result 7121 states and 9917 transitions. [2022-07-23 02:57:31,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-23 02:57:31,703 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (20), 6 states have call predecessors, (20), 5 states have call successors, (20) Word has length 178 [2022-07-23 02:57:31,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:31,732 INFO L225 Difference]: With dead ends: 7121 [2022-07-23 02:57:31,732 INFO L226 Difference]: Without dead ends: 3605 [2022-07-23 02:57:31,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2022-07-23 02:57:31,758 INFO L413 NwaCegarLoop]: 2651 mSDtfsCounter, 47 mSDsluCounter, 31661 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 34312 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:31,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 34312 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-23 02:57:31,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3605 states. [2022-07-23 02:57:31,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3605 to 3555. [2022-07-23 02:57:31,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3555 states, 2314 states have (on average 1.236819360414866) internal successors, (2862), 2409 states have internal predecessors, (2862), 1037 states have call successors, (1037), 201 states have call predecessors, (1037), 203 states have return successors, (1048), 1005 states have call predecessors, (1048), 1037 states have call successors, (1048) [2022-07-23 02:57:31,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 4947 transitions. [2022-07-23 02:57:31,885 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 4947 transitions. Word has length 178 [2022-07-23 02:57:31,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:31,886 INFO L495 AbstractCegarLoop]: Abstraction has 3555 states and 4947 transitions. [2022-07-23 02:57:31,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (20), 6 states have call predecessors, (20), 5 states have call successors, (20) [2022-07-23 02:57:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 4947 transitions. [2022-07-23 02:57:31,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-23 02:57:31,890 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:31,890 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:57:31,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:57:32,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:57:32,115 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:32,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:32,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2067474220, now seen corresponding path program 1 times [2022-07-23 02:57:32,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:57:32,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738726503] [2022-07-23 02:57:32,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:32,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:57:32,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:57:32,124 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:57:32,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:57:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:34,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 2151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:57:34,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:57:34,131 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-23 02:57:34,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:57:34,132 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:57:34,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738726503] [2022-07-23 02:57:34,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738726503] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:34,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:34,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:57:34,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322316345] [2022-07-23 02:57:34,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:34,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:57:34,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:57:34,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:57:34,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:57:34,136 INFO L87 Difference]: Start difference. First operand 3555 states and 4947 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-23 02:57:35,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:35,396 INFO L93 Difference]: Finished difference Result 7539 states and 10539 transitions. [2022-07-23 02:57:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:57:35,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 182 [2022-07-23 02:57:35,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:35,426 INFO L225 Difference]: With dead ends: 7539 [2022-07-23 02:57:35,427 INFO L226 Difference]: Without dead ends: 4003 [2022-07-23 02:57:35,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:57:35,452 INFO L413 NwaCegarLoop]: 3031 mSDtfsCounter, 293 mSDsluCounter, 2684 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 5715 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:35,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 5715 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-23 02:57:35,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4003 states. [2022-07-23 02:57:35,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4003 to 3995. [2022-07-23 02:57:35,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3995 states, 2637 states have (on average 1.2415623814941221) internal successors, (3274), 2738 states have internal predecessors, (3274), 1154 states have call successors, (1154), 201 states have call predecessors, (1154), 203 states have return successors, (1167), 1121 states have call predecessors, (1167), 1154 states have call successors, (1167) [2022-07-23 02:57:35,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3995 states to 3995 states and 5595 transitions. [2022-07-23 02:57:35,597 INFO L78 Accepts]: Start accepts. Automaton has 3995 states and 5595 transitions. Word has length 182 [2022-07-23 02:57:35,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:35,599 INFO L495 AbstractCegarLoop]: Abstraction has 3995 states and 5595 transitions. [2022-07-23 02:57:35,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-23 02:57:35,600 INFO L276 IsEmpty]: Start isEmpty. Operand 3995 states and 5595 transitions. [2022-07-23 02:57:35,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-23 02:57:35,604 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:35,604 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 02:57:35,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:57:35,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:57:35,824 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:35,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:35,824 INFO L85 PathProgramCache]: Analyzing trace with hash -274546547, now seen corresponding path program 1 times [2022-07-23 02:57:35,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:57:35,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126508097] [2022-07-23 02:57:35,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:35,827 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:57:35,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:57:35,831 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:57:35,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 02:57:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:37,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 2147 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-23 02:57:37,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:57:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-23 02:57:38,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:57:38,797 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:57:38,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126508097] [2022-07-23 02:57:38,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126508097] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:38,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:38,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-23 02:57:38,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750964436] [2022-07-23 02:57:38,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:38,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 02:57:38,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:57:38,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 02:57:38,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-23 02:57:38,801 INFO L87 Difference]: Start difference. First operand 3995 states and 5595 transitions. Second operand has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 13 states have internal predecessors, (86), 6 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-07-23 02:57:43,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:43,149 INFO L93 Difference]: Finished difference Result 8061 states and 11291 transitions. [2022-07-23 02:57:43,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-23 02:57:43,150 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 13 states have internal predecessors, (86), 6 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 184 [2022-07-23 02:57:43,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:43,179 INFO L225 Difference]: With dead ends: 8061 [2022-07-23 02:57:43,179 INFO L226 Difference]: Without dead ends: 4083 [2022-07-23 02:57:43,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2022-07-23 02:57:43,196 INFO L413 NwaCegarLoop]: 2740 mSDtfsCounter, 180 mSDsluCounter, 35360 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 38100 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:43,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 38100 Invalid, 680 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [50 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-23 02:57:43,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4083 states. [2022-07-23 02:57:43,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4083 to 3999. [2022-07-23 02:57:43,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3999 states, 2639 states have (on average 1.2413793103448276) internal successors, (3276), 2742 states have internal predecessors, (3276), 1154 states have call successors, (1154), 201 states have call predecessors, (1154), 205 states have return successors, (1171), 1121 states have call predecessors, (1171), 1154 states have call successors, (1171) [2022-07-23 02:57:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 3999 states and 5601 transitions. [2022-07-23 02:57:43,366 INFO L78 Accepts]: Start accepts. Automaton has 3999 states and 5601 transitions. Word has length 184 [2022-07-23 02:57:43,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:43,367 INFO L495 AbstractCegarLoop]: Abstraction has 3999 states and 5601 transitions. [2022-07-23 02:57:43,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.142857142857143) internal successors, (86), 13 states have internal predecessors, (86), 6 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-07-23 02:57:43,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 5601 transitions. [2022-07-23 02:57:43,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-23 02:57:43,371 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:43,371 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:57:43,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 02:57:43,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:57:43,584 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:43,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:43,584 INFO L85 PathProgramCache]: Analyzing trace with hash 699960433, now seen corresponding path program 1 times [2022-07-23 02:57:43,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:57:43,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029468732] [2022-07-23 02:57:43,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:43,587 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:57:43,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:57:43,588 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:57:43,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 02:57:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 2880 conjuncts, 35 conjunts are in the unsatisfiable core [2022-07-23 02:57:46,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:57:48,066 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 101 proven. 15 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-23 02:57:48,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:57:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-07-23 02:57:51,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:57:51,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029468732] [2022-07-23 02:57:51,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029468732] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:57:51,414 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 02:57:51,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 25 [2022-07-23 02:57:51,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738747900] [2022-07-23 02:57:51,414 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 02:57:51,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-07-23 02:57:51,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:57:51,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-07-23 02:57:51,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-07-23 02:57:51,415 INFO L87 Difference]: Start difference. First operand 3999 states and 5601 transitions. Second operand has 25 states, 20 states have (on average 8.55) internal successors, (171), 18 states have internal predecessors, (171), 10 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (55), 11 states have call predecessors, (55), 8 states have call successors, (55) [2022-07-23 02:57:56,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:57:58,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:58:00,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:58:02,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:58:04,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:58:05,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:58:07,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:58:09,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:58:11,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:58:13,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:58:14,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:58:16,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:58:19,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:19,804 INFO L93 Difference]: Finished difference Result 7542 states and 10530 transitions. [2022-07-23 02:58:19,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 02:58:19,805 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 8.55) internal successors, (171), 18 states have internal predecessors, (171), 10 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (55), 11 states have call predecessors, (55), 8 states have call successors, (55) Word has length 246 [2022-07-23 02:58:19,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:19,826 INFO L225 Difference]: With dead ends: 7542 [2022-07-23 02:58:19,826 INFO L226 Difference]: Without dead ends: 3562 [2022-07-23 02:58:19,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=108, Invalid=762, Unknown=0, NotChecked=0, Total=870 [2022-07-23 02:58:19,842 INFO L413 NwaCegarLoop]: 2612 mSDtfsCounter, 1330 mSDsluCounter, 37983 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 393 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1332 SdHoareTripleChecker+Valid, 40595 SdHoareTripleChecker+Invalid, 1303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:19,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1332 Valid, 40595 Invalid, 1303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 905 Invalid, 5 Unknown, 0 Unchecked, 27.1s Time] [2022-07-23 02:58:19,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3562 states. [2022-07-23 02:58:19,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3562 to 3554. [2022-07-23 02:58:19,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3554 states, 2313 states have (on average 1.2321660181582361) internal successors, (2850), 2407 states have internal predecessors, (2850), 1035 states have call successors, (1035), 201 states have call predecessors, (1035), 205 states have return successors, (1050), 1004 states have call predecessors, (1050), 1035 states have call successors, (1050) [2022-07-23 02:58:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3554 states to 3554 states and 4935 transitions. [2022-07-23 02:58:19,980 INFO L78 Accepts]: Start accepts. Automaton has 3554 states and 4935 transitions. Word has length 246 [2022-07-23 02:58:19,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:19,980 INFO L495 AbstractCegarLoop]: Abstraction has 3554 states and 4935 transitions. [2022-07-23 02:58:19,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 8.55) internal successors, (171), 18 states have internal predecessors, (171), 10 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (55), 11 states have call predecessors, (55), 8 states have call successors, (55) [2022-07-23 02:58:19,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3554 states and 4935 transitions. [2022-07-23 02:58:19,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-23 02:58:19,984 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:19,984 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:58:20,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 02:58:20,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:58:20,192 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:20,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:20,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1040748288, now seen corresponding path program 1 times [2022-07-23 02:58:20,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:58:20,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589388847] [2022-07-23 02:58:20,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:20,194 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:58:20,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:58:20,195 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:58:20,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 02:58:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:23,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 3309 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 02:58:23,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:58:23,620 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-07-23 02:58:23,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:58:23,621 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:58:23,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [589388847] [2022-07-23 02:58:23,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [589388847] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:58:23,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:58:23,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:58:23,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755838681] [2022-07-23 02:58:23,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:58:23,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:58:23,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:58:23,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:58:23,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:58:23,622 INFO L87 Difference]: Start difference. First operand 3554 states and 4935 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 02:58:25,926 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 [] [2022-07-23 02:58:26,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:26,157 INFO L93 Difference]: Finished difference Result 7109 states and 9879 transitions. [2022-07-23 02:58:26,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:58:26,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 278 [2022-07-23 02:58:26,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:26,181 INFO L225 Difference]: With dead ends: 7109 [2022-07-23 02:58:26,182 INFO L226 Difference]: Without dead ends: 3574 [2022-07-23 02:58:26,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:58:26,197 INFO L413 NwaCegarLoop]: 2662 mSDtfsCounter, 18 mSDsluCounter, 7955 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 10617 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:26,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 10617 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-07-23 02:58:26,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3574 states. [2022-07-23 02:58:26,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3574 to 3570. [2022-07-23 02:58:26,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3570 states, 2325 states have (on average 1.2309677419354839) internal successors, (2862), 2419 states have internal predecessors, (2862), 1039 states have call successors, (1039), 201 states have call predecessors, (1039), 205 states have return successors, (1054), 1008 states have call predecessors, (1054), 1039 states have call successors, (1054) [2022-07-23 02:58:26,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3570 states and 4955 transitions. [2022-07-23 02:58:26,350 INFO L78 Accepts]: Start accepts. Automaton has 3570 states and 4955 transitions. Word has length 278 [2022-07-23 02:58:26,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:26,350 INFO L495 AbstractCegarLoop]: Abstraction has 3570 states and 4955 transitions. [2022-07-23 02:58:26,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 02:58:26,351 INFO L276 IsEmpty]: Start isEmpty. Operand 3570 states and 4955 transitions. [2022-07-23 02:58:26,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-07-23 02:58:26,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:26,355 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:58:26,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 02:58:26,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:58:26,576 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:26,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:26,576 INFO L85 PathProgramCache]: Analyzing trace with hash -590697941, now seen corresponding path program 1 times [2022-07-23 02:58:26,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:58:26,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516159073] [2022-07-23 02:58:26,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:26,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:58:26,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:58:26,579 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:58:26,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 02:58:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:30,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 3358 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:58:30,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:58:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-07-23 02:58:30,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:58:30,236 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:58:30,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516159073] [2022-07-23 02:58:30,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1516159073] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:58:30,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:58:30,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:58:30,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117358411] [2022-07-23 02:58:30,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:58:30,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:58:30,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:58:30,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:58:30,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:58:30,238 INFO L87 Difference]: Start difference. First operand 3570 states and 4955 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-23 02:58:30,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:30,457 INFO L93 Difference]: Finished difference Result 7564 states and 10549 transitions. [2022-07-23 02:58:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:58:30,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 299 [2022-07-23 02:58:30,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:30,483 INFO L225 Difference]: With dead ends: 7564 [2022-07-23 02:58:30,483 INFO L226 Difference]: Without dead ends: 4013 [2022-07-23 02:58:30,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:58:30,500 INFO L413 NwaCegarLoop]: 2891 mSDtfsCounter, 274 mSDsluCounter, 2693 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 5584 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:30,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 5584 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:58:30,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4013 states. [2022-07-23 02:58:30,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4013 to 3572. [2022-07-23 02:58:30,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3572 states, 2327 states have (on average 1.2307692307692308) internal successors, (2864), 2421 states have internal predecessors, (2864), 1039 states have call successors, (1039), 201 states have call predecessors, (1039), 205 states have return successors, (1054), 1008 states have call predecessors, (1054), 1039 states have call successors, (1054) [2022-07-23 02:58:30,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3572 states and 4957 transitions. [2022-07-23 02:58:30,638 INFO L78 Accepts]: Start accepts. Automaton has 3572 states and 4957 transitions. Word has length 299 [2022-07-23 02:58:30,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:30,638 INFO L495 AbstractCegarLoop]: Abstraction has 3572 states and 4957 transitions. [2022-07-23 02:58:30,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-23 02:58:30,639 INFO L276 IsEmpty]: Start isEmpty. Operand 3572 states and 4957 transitions. [2022-07-23 02:58:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-23 02:58:30,642 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:30,642 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:58:30,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 02:58:30,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:58:30,860 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:30,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:30,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1163897241, now seen corresponding path program 1 times [2022-07-23 02:58:30,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:58:30,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742119340] [2022-07-23 02:58:30,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:30,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:58:30,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:58:30,864 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:58:30,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-23 02:58:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:34,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 3362 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 02:58:34,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:58:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-23 02:58:34,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:58:34,983 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:58:34,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742119340] [2022-07-23 02:58:34,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742119340] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:58:34,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:58:34,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:58:34,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597333306] [2022-07-23 02:58:34,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:58:34,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:58:34,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:58:34,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:58:34,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:58:34,984 INFO L87 Difference]: Start difference. First operand 3572 states and 4957 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-23 02:58:35,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:35,322 INFO L93 Difference]: Finished difference Result 7156 states and 9938 transitions. [2022-07-23 02:58:35,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:58:35,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 302 [2022-07-23 02:58:35,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:35,342 INFO L225 Difference]: With dead ends: 7156 [2022-07-23 02:58:35,342 INFO L226 Difference]: Without dead ends: 3603 [2022-07-23 02:58:35,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:58:35,358 INFO L413 NwaCegarLoop]: 2676 mSDtfsCounter, 15 mSDsluCounter, 5311 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 7987 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:35,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 7987 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 02:58:35,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3603 states. [2022-07-23 02:58:35,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3603 to 3574. [2022-07-23 02:58:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3574 states, 2329 states have (on average 1.2305710605410047) internal successors, (2866), 2423 states have internal predecessors, (2866), 1039 states have call successors, (1039), 201 states have call predecessors, (1039), 205 states have return successors, (1054), 1008 states have call predecessors, (1054), 1039 states have call successors, (1054) [2022-07-23 02:58:35,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3574 states and 4959 transitions. [2022-07-23 02:58:35,475 INFO L78 Accepts]: Start accepts. Automaton has 3574 states and 4959 transitions. Word has length 302 [2022-07-23 02:58:35,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:35,476 INFO L495 AbstractCegarLoop]: Abstraction has 3574 states and 4959 transitions. [2022-07-23 02:58:35,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-23 02:58:35,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3574 states and 4959 transitions. [2022-07-23 02:58:35,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-07-23 02:58:35,479 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:35,479 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:58:35,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-23 02:58:35,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:58:35,688 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:35,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:35,688 INFO L85 PathProgramCache]: Analyzing trace with hash -205981442, now seen corresponding path program 1 times [2022-07-23 02:58:35,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:58:35,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802871391] [2022-07-23 02:58:35,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:35,692 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:58:35,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:58:35,701 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:58:35,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-23 02:58:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:39,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 3484 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:58:39,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:58:40,027 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-23 02:58:40,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:58:40,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:58:40,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802871391] [2022-07-23 02:58:40,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [802871391] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:58:40,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:58:40,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:58:40,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203562195] [2022-07-23 02:58:40,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:58:40,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:58:40,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:58:40,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:58:40,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:58:40,030 INFO L87 Difference]: Start difference. First operand 3574 states and 4959 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 02:58:40,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:40,250 INFO L93 Difference]: Finished difference Result 7152 states and 9933 transitions. [2022-07-23 02:58:40,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 02:58:40,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 312 [2022-07-23 02:58:40,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:40,269 INFO L225 Difference]: With dead ends: 7152 [2022-07-23 02:58:40,269 INFO L226 Difference]: Without dead ends: 3597 [2022-07-23 02:58:40,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:58:40,282 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 231 mSDsluCounter, 5018 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 7688 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:40,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 7688 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:58:40,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3597 states. [2022-07-23 02:58:40,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3597 to 3583. [2022-07-23 02:58:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3583 states, 2334 states have (on average 1.2300771208226222) internal successors, (2871), 2428 states have internal predecessors, (2871), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 205 states have return successors, (1058), 1012 states have call predecessors, (1058), 1043 states have call successors, (1058) [2022-07-23 02:58:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3583 states and 4972 transitions. [2022-07-23 02:58:40,397 INFO L78 Accepts]: Start accepts. Automaton has 3583 states and 4972 transitions. Word has length 312 [2022-07-23 02:58:40,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:40,398 INFO L495 AbstractCegarLoop]: Abstraction has 3583 states and 4972 transitions. [2022-07-23 02:58:40,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 02:58:40,398 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 4972 transitions. [2022-07-23 02:58:40,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-07-23 02:58:40,400 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:40,400 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:58:40,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-23 02:58:40,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:58:40,620 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:40,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:40,620 INFO L85 PathProgramCache]: Analyzing trace with hash -941485215, now seen corresponding path program 1 times [2022-07-23 02:58:40,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:58:40,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693975810] [2022-07-23 02:58:40,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:40,623 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:58:40,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:58:40,624 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:58:40,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-23 02:58:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:45,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 3495 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 02:58:45,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:58:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 124 proven. 1 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-23 02:58:45,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:58:46,112 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2022-07-23 02:58:46,112 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:58:46,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [693975810] [2022-07-23 02:58:46,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [693975810] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:58:46,112 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 02:58:46,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-23 02:58:46,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23612810] [2022-07-23 02:58:46,113 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 02:58:46,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 02:58:46,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:58:46,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 02:58:46,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:58:46,114 INFO L87 Difference]: Start difference. First operand 3583 states and 4972 transitions. Second operand has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 4 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-23 02:58:46,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:46,811 INFO L93 Difference]: Finished difference Result 7150 states and 9933 transitions. [2022-07-23 02:58:46,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:58:46,813 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 4 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 313 [2022-07-23 02:58:46,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:46,836 INFO L225 Difference]: With dead ends: 7150 [2022-07-23 02:58:46,837 INFO L226 Difference]: Without dead ends: 3586 [2022-07-23 02:58:46,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-07-23 02:58:46,852 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 231 mSDsluCounter, 15374 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 18044 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:46,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 18044 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 02:58:46,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2022-07-23 02:58:46,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 3586. [2022-07-23 02:58:46,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3586 states, 2337 states have (on average 1.2297817715019255) internal successors, (2874), 2431 states have internal predecessors, (2874), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 205 states have return successors, (1058), 1012 states have call predecessors, (1058), 1043 states have call successors, (1058) [2022-07-23 02:58:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 3586 states and 4975 transitions. [2022-07-23 02:58:46,967 INFO L78 Accepts]: Start accepts. Automaton has 3586 states and 4975 transitions. Word has length 313 [2022-07-23 02:58:46,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:46,968 INFO L495 AbstractCegarLoop]: Abstraction has 3586 states and 4975 transitions. [2022-07-23 02:58:46,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 4 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-23 02:58:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 3586 states and 4975 transitions. [2022-07-23 02:58:46,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-23 02:58:46,971 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:46,971 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:58:47,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-23 02:58:47,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:58:47,184 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:47,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:47,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1113455038, now seen corresponding path program 2 times [2022-07-23 02:58:47,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:58:47,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108706844] [2022-07-23 02:58:47,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 02:58:47,187 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:58:47,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:58:47,190 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:58:47,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-23 02:58:49,039 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 02:58:49,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 02:58:49,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 1732 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 02:58:49,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:58:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2022-07-23 02:58:49,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:58:49,486 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:58:49,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108706844] [2022-07-23 02:58:49,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108706844] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:58:49,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:58:49,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 02:58:49,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121506977] [2022-07-23 02:58:49,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:58:49,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 02:58:49,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:58:49,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 02:58:49,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:58:49,488 INFO L87 Difference]: Start difference. First operand 3586 states and 4975 transitions. Second operand has 8 states, 8 states have (on average 19.25) internal successors, (154), 7 states have internal predecessors, (154), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 02:58:51,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:51,223 INFO L93 Difference]: Finished difference Result 7167 states and 9956 transitions. [2022-07-23 02:58:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:58:51,223 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 7 states have internal predecessors, (154), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) Word has length 316 [2022-07-23 02:58:51,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:51,242 INFO L225 Difference]: With dead ends: 7167 [2022-07-23 02:58:51,243 INFO L226 Difference]: Without dead ends: 3600 [2022-07-23 02:58:51,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-07-23 02:58:51,256 INFO L413 NwaCegarLoop]: 2631 mSDtfsCounter, 17 mSDsluCounter, 15735 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 18366 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:51,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 18366 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-23 02:58:51,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3600 states. [2022-07-23 02:58:51,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3600 to 3594. [2022-07-23 02:58:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3594 states, 2344 states have (on average 1.2290955631399318) internal successors, (2881), 2439 states have internal predecessors, (2881), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 206 states have return successors, (1059), 1012 states have call predecessors, (1059), 1043 states have call successors, (1059) [2022-07-23 02:58:51,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3594 states to 3594 states and 4983 transitions. [2022-07-23 02:58:51,384 INFO L78 Accepts]: Start accepts. Automaton has 3594 states and 4983 transitions. Word has length 316 [2022-07-23 02:58:51,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:51,386 INFO L495 AbstractCegarLoop]: Abstraction has 3594 states and 4983 transitions. [2022-07-23 02:58:51,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 7 states have internal predecessors, (154), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 02:58:51,387 INFO L276 IsEmpty]: Start isEmpty. Operand 3594 states and 4983 transitions. [2022-07-23 02:58:51,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-07-23 02:58:51,390 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:51,390 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:58:51,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-07-23 02:58:51,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:58:51,608 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:51,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:51,608 INFO L85 PathProgramCache]: Analyzing trace with hash 604324298, now seen corresponding path program 1 times [2022-07-23 02:58:51,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:58:51,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200600239] [2022-07-23 02:58:51,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:51,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:58:51,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:58:51,613 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) [2022-07-23 02:58:51,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-23 02:58:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:56,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 3464 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 02:58:56,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:58:57,461 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-07-23 02:58:57,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:58:59,037 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2022-07-23 02:58:59,038 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:58:59,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200600239] [2022-07-23 02:58:59,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200600239] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:58:59,038 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 02:58:59,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-07-23 02:58:59,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714734315] [2022-07-23 02:58:59,038 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 02:58:59,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-23 02:58:59,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:58:59,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-23 02:58:59,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-07-23 02:58:59,040 INFO L87 Difference]: Start difference. First operand 3594 states and 4983 transitions. Second operand has 14 states, 14 states have (on average 14.357142857142858) internal successors, (201), 14 states have internal predecessors, (201), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-23 02:59:01,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:59:01,587 INFO L93 Difference]: Finished difference Result 7175 states and 9961 transitions. [2022-07-23 02:59:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 02:59:01,588 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 14.357142857142858) internal successors, (201), 14 states have internal predecessors, (201), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 336 [2022-07-23 02:59:01,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:59:01,605 INFO L225 Difference]: With dead ends: 7175 [2022-07-23 02:59:01,605 INFO L226 Difference]: Without dead ends: 3600 [2022-07-23 02:59:01,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 658 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-07-23 02:59:01,620 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 462 mSDsluCounter, 18363 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 21033 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:59:01,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 21033 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 02:59:01,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3600 states. [2022-07-23 02:59:01,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3600 to 3600. [2022-07-23 02:59:01,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3600 states, 2350 states have (on average 1.2285106382978723) internal successors, (2887), 2445 states have internal predecessors, (2887), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 206 states have return successors, (1059), 1012 states have call predecessors, (1059), 1043 states have call successors, (1059) [2022-07-23 02:59:01,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3600 states and 4989 transitions. [2022-07-23 02:59:01,745 INFO L78 Accepts]: Start accepts. Automaton has 3600 states and 4989 transitions. Word has length 336 [2022-07-23 02:59:01,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:59:01,746 INFO L495 AbstractCegarLoop]: Abstraction has 3600 states and 4989 transitions. [2022-07-23 02:59:01,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.357142857142858) internal successors, (201), 14 states have internal predecessors, (201), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-23 02:59:01,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 4989 transitions. [2022-07-23 02:59:01,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-07-23 02:59:01,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:59:01,750 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:59:01,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-23 02:59:01,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:59:01,968 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:59:01,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:59:01,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1336738070, now seen corresponding path program 2 times [2022-07-23 02:59:01,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:59:01,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803787437] [2022-07-23 02:59:01,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 02:59:01,971 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:59:01,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:59:01,972 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) [2022-07-23 02:59:01,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-23 02:59:03,941 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 02:59:03,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 02:59:04,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:59:04,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:59:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2022-07-23 02:59:04,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:59:04,097 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:59:04,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803787437] [2022-07-23 02:59:04,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1803787437] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:59:04,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:59:04,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:59:04,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954718201] [2022-07-23 02:59:04,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:59:04,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:59:04,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:59:04,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:59:04,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:59:04,098 INFO L87 Difference]: Start difference. First operand 3600 states and 4989 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-23 02:59:06,147 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 [] [2022-07-23 02:59:08,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:59:10,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:59:10,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:59:10,418 INFO L93 Difference]: Finished difference Result 7189 states and 9998 transitions. [2022-07-23 02:59:10,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:59:10,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 342 [2022-07-23 02:59:10,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:59:10,441 INFO L225 Difference]: With dead ends: 7189 [2022-07-23 02:59:10,442 INFO L226 Difference]: Without dead ends: 3608 [2022-07-23 02:59:10,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:59:10,460 INFO L413 NwaCegarLoop]: 2654 mSDtfsCounter, 2 mSDsluCounter, 2645 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5299 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:59:10,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5299 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 6.2s Time] [2022-07-23 02:59:10,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3608 states. [2022-07-23 02:59:10,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3608 to 3604. [2022-07-23 02:59:10,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3604 states, 2354 states have (on average 1.228122344944775) internal successors, (2891), 2449 states have internal predecessors, (2891), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 206 states have return successors, (1059), 1012 states have call predecessors, (1059), 1043 states have call successors, (1059) [2022-07-23 02:59:10,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 3604 states and 4993 transitions. [2022-07-23 02:59:10,637 INFO L78 Accepts]: Start accepts. Automaton has 3604 states and 4993 transitions. Word has length 342 [2022-07-23 02:59:10,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:59:10,638 INFO L495 AbstractCegarLoop]: Abstraction has 3604 states and 4993 transitions. [2022-07-23 02:59:10,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-23 02:59:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4993 transitions. [2022-07-23 02:59:10,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-07-23 02:59:10,642 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:59:10,642 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:59:10,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-23 02:59:10,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:59:10,848 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:59:10,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:59:10,849 INFO L85 PathProgramCache]: Analyzing trace with hash 243625838, now seen corresponding path program 1 times [2022-07-23 02:59:10,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:59:10,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180213329] [2022-07-23 02:59:10,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:59:10,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:59:10,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:59:10,853 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) [2022-07-23 02:59:10,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-23 02:59:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:59:16,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 3626 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-23 02:59:16,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:59:18,074 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 180 proven. 55 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2022-07-23 02:59:18,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:59:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-07-23 02:59:22,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:59:22,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180213329] [2022-07-23 02:59:22,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180213329] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:59:22,808 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 02:59:22,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2022-07-23 02:59:22,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703059734] [2022-07-23 02:59:22,809 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 02:59:22,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-23 02:59:22,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:59:22,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-23 02:59:22,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2022-07-23 02:59:22,812 INFO L87 Difference]: Start difference. First operand 3604 states and 4993 transitions. Second operand has 26 states, 26 states have (on average 8.26923076923077) internal successors, (215), 26 states have internal predecessors, (215), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-23 02:59:34,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:59:34,668 INFO L93 Difference]: Finished difference Result 7201 states and 9993 transitions. [2022-07-23 02:59:34,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-23 02:59:34,669 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 8.26923076923077) internal successors, (215), 26 states have internal predecessors, (215), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 344 [2022-07-23 02:59:34,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:59:34,691 INFO L225 Difference]: With dead ends: 7201 [2022-07-23 02:59:34,692 INFO L226 Difference]: Without dead ends: 3616 [2022-07-23 02:59:34,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 708 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=633, Invalid=1623, Unknown=0, NotChecked=0, Total=2256 [2022-07-23 02:59:34,709 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 462 mSDsluCounter, 37046 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 39716 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:59:34,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 39716 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 02:59:34,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3616 states. [2022-07-23 02:59:34,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3616 to 3616. [2022-07-23 02:59:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3616 states, 2366 states have (on average 1.2269653423499578) internal successors, (2903), 2461 states have internal predecessors, (2903), 1043 states have call successors, (1043), 201 states have call predecessors, (1043), 206 states have return successors, (1059), 1012 states have call predecessors, (1059), 1043 states have call successors, (1059) [2022-07-23 02:59:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3616 states to 3616 states and 5005 transitions. [2022-07-23 02:59:34,837 INFO L78 Accepts]: Start accepts. Automaton has 3616 states and 5005 transitions. Word has length 344 [2022-07-23 02:59:34,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:59:34,838 INFO L495 AbstractCegarLoop]: Abstraction has 3616 states and 5005 transitions. [2022-07-23 02:59:34,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.26923076923077) internal successors, (215), 26 states have internal predecessors, (215), 4 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-23 02:59:34,838 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 5005 transitions. [2022-07-23 02:59:34,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-23 02:59:34,841 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:59:34,841 INFO L195 NwaCegarLoop]: trace histogram [22, 14, 14, 14, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:59:34,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-23 02:59:35,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:59:35,064 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:59:35,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:59:35,064 INFO L85 PathProgramCache]: Analyzing trace with hash -960474706, now seen corresponding path program 2 times [2022-07-23 02:59:35,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:59:35,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198242304] [2022-07-23 02:59:35,066 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 02:59:35,066 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:59:35,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:59:35,068 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) [2022-07-23 02:59:35,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-23 02:59:36,972 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 02:59:36,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 02:59:37,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 02:59:37,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:59:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 777 trivial. 0 not checked. [2022-07-23 02:59:37,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:59:37,204 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:59:37,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198242304] [2022-07-23 02:59:37,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198242304] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:59:37,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:59:37,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:59:37,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025882668] [2022-07-23 02:59:37,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:59:37,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:59:37,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:59:37,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:59:37,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:59:37,207 INFO L87 Difference]: Start difference. First operand 3616 states and 5005 transitions. Second operand has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 3 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-23 02:59:37,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:59:37,411 INFO L93 Difference]: Finished difference Result 7175 states and 9969 transitions. [2022-07-23 02:59:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:59:37,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 3 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 356 [2022-07-23 02:59:37,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:59:37,415 INFO L225 Difference]: With dead ends: 7175 [2022-07-23 02:59:37,415 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 02:59:37,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:59:37,477 INFO L413 NwaCegarLoop]: 2622 mSDtfsCounter, 9 mSDsluCounter, 7855 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 10477 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:59:37,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 10477 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 02:59:37,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 02:59:37,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 02:59:37,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 02:59:37,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 02:59:37,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 356 [2022-07-23 02:59:37,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:59:37,480 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 02:59:37,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 3 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-23 02:59:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 02:59:37,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 02:59:37,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 02:59:37,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-07-23 02:59:37,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:59:37,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.