./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.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 f0e55ca795fc0b7479008c7c7ace6ad96366c87862ace8719a39598b92db6b60 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:05:57,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:05:57,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:05:57,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:05:57,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:05:57,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:05:57,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:05:57,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:05:57,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:05:57,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:05:57,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:05:57,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:05:57,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:05:57,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:05:57,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:05:57,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:05:57,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:05:57,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:05:57,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:05:57,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:05:57,538 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:05:57,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:05:57,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:05:57,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:05:57,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:05:57,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:05:57,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:05:57,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:05:57,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:05:57,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:05:57,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:05:57,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:05:57,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:05:57,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:05:57,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:05:57,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:05:57,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:05:57,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:05:57,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:05:57,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:05:57,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:05:57,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:05:57,555 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:05:57,570 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:05:57,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:05:57,572 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:05:57,572 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:05:57,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:05:57,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:05:57,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:05:57,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:05:57,573 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:05:57,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:05:57,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:05:57,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:05:57,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:05:57,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:05:57,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:05:57,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:05:57,575 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:05:57,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:05:57,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:05:57,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:05:57,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:05:57,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:05:57,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:05:57,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:05:57,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:05:57,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:05:57,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:05:57,577 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:05:57,577 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:05:57,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:05:57,578 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0e55ca795fc0b7479008c7c7ace6ad96366c87862ace8719a39598b92db6b60 [2022-07-20 01:05:57,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:05:57,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:05:57,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:05:57,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:05:57,798 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:05:57,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i [2022-07-20 01:05:57,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7241210f7/d82e90ebfc8c4b199ebb0ab5f685498a/FLAG6b1d61221 [2022-07-20 01:05:58,519 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:05:58,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i [2022-07-20 01:05:58,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7241210f7/d82e90ebfc8c4b199ebb0ab5f685498a/FLAG6b1d61221 [2022-07-20 01:05:58,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7241210f7/d82e90ebfc8c4b199ebb0ab5f685498a [2022-07-20 01:05:58,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:05:58,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:05:58,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:05:58,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:05:58,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:05:58,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:58" (1/1) ... [2022-07-20 01:05:58,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28fee260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:58, skipping insertion in model container [2022-07-20 01:05:58,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:58" (1/1) ... [2022-07-20 01:05:58,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:05:58,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:06:01,742 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i[373305,373318] [2022-07-20 01:06:01,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:06:01,835 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:06:02,137 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: pcie_dev_ctrl = (unsigned int )pcie_dev_ctrl & 63471U [10028] 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: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: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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-20 01:06:02,141 INFO L158 Benchmark]: Toolchain (without parser) took 3495.32ms. Allocated memory was 104.9MB in the beginning and 163.6MB in the end (delta: 58.7MB). Free memory was 52.0MB in the beginning and 52.7MB in the end (delta: -699.6kB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2022-07-20 01:06:02,142 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 77.9MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 01:06:02,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3492.50ms. Allocated memory was 104.9MB in the beginning and 163.6MB in the end (delta: 58.7MB). Free memory was 51.8MB in the beginning and 52.7MB in the end (delta: -926.1kB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2022-07-20 01:06:02,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 77.9MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3492.50ms. Allocated memory was 104.9MB in the beginning and 163.6MB in the end (delta: 58.7MB). Free memory was 51.8MB in the beginning and 52.7MB in the end (delta: -926.1kB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: pcie_dev_ctrl = (unsigned int )pcie_dev_ctrl & 63471U [10028] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: pcie_dev_ctrl = (unsigned int )pcie_dev_ctrl & 63471U [10028]: 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.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 f0e55ca795fc0b7479008c7c7ace6ad96366c87862ace8719a39598b92db6b60 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:06:03,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:06:03,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:06:04,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:06:04,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:06:04,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:06:04,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:06:04,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:06:04,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:06:04,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:06:04,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:06:04,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:06:04,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:06:04,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:06:04,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:06:04,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:06:04,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:06:04,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:06:04,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:06:04,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:06:04,035 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:06:04,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:06:04,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:06:04,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:06:04,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:06:04,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:06:04,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:06:04,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:06:04,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:06:04,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:06:04,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:06:04,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:06:04,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:06:04,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:06:04,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:06:04,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:06:04,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:06:04,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:06:04,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:06:04,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:06:04,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:06:04,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:06:04,055 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 01:06:04,079 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:06:04,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:06:04,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:06:04,080 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:06:04,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:06:04,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:06:04,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:06:04,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:06:04,082 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:06:04,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:06:04,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:06:04,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:06:04,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:06:04,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:06:04,083 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 01:06:04,083 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 01:06:04,083 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 01:06:04,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:06:04,083 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:06:04,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:06:04,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:06:04,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:06:04,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:06:04,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:06:04,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:06:04,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:06:04,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:06:04,085 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 01:06:04,085 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 01:06:04,085 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:06:04,085 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:06:04,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:06:04,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 01:06:04,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0e55ca795fc0b7479008c7c7ace6ad96366c87862ace8719a39598b92db6b60 [2022-07-20 01:06:04,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:06:04,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:06:04,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:06:04,379 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:06:04,380 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:06:04,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i [2022-07-20 01:06:04,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee7858de/dc167575c5084d8581d944bc5854d480/FLAG31d4a33b0 [2022-07-20 01:06:05,089 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:06:05,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i [2022-07-20 01:06:05,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee7858de/dc167575c5084d8581d944bc5854d480/FLAG31d4a33b0 [2022-07-20 01:06:05,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee7858de/dc167575c5084d8581d944bc5854d480 [2022-07-20 01:06:05,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:06:05,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:06:05,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:06:05,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:06:05,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:06:05,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:06:05" (1/1) ... [2022-07-20 01:06:05,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126fe6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:05, skipping insertion in model container [2022-07-20 01:06:05,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:06:05" (1/1) ... [2022-07-20 01:06:05,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:06:05,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:06:08,041 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i[373305,373318] [2022-07-20 01:06:08,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:06:08,126 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 01:06:08,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:06:08,402 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i[373305,373318] [2022-07-20 01:06:08,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:06:08,427 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:06:08,759 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i[373305,373318] [2022-07-20 01:06:08,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:06:08,879 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:06:08,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:08 WrapperNode [2022-07-20 01:06:08,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:06:08,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:06:08,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:06:08,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:06:08,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:08" (1/1) ... [2022-07-20 01:06:08,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:08" (1/1) ... [2022-07-20 01:06:09,164 INFO L137 Inliner]: procedures = 466, calls = 3513, calls flagged for inlining = 214, calls inlined = 200, statements flattened = 8641 [2022-07-20 01:06:09,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:06:09,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:06:09,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:06:09,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:06:09,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:08" (1/1) ... [2022-07-20 01:06:09,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:08" (1/1) ... [2022-07-20 01:06:09,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:08" (1/1) ... [2022-07-20 01:06:09,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:08" (1/1) ... [2022-07-20 01:06:09,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:08" (1/1) ... [2022-07-20 01:06:09,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:08" (1/1) ... [2022-07-20 01:06:09,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:08" (1/1) ... [2022-07-20 01:06:09,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:06:09,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:06:09,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:06:09,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:06:09,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:08" (1/1) ... [2022-07-20 01:06:09,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:06:09,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:06:09,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 01:06:09,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 01:06:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2022-07-20 01:06:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2022-07-20 01:06:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_get_capacity [2022-07-20 01:06:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_get_capacity [2022-07-20 01:06:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:06:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:06:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_ioctl [2022-07-20 01:06:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_ioctl [2022-07-20 01:06:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure __first_node [2022-07-20 01:06:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __first_node [2022-07-20 01:06:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-20 01:06:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-20 01:06:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:06:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:06:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-20 01:06:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-20 01:06:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_stop_hw_queues [2022-07-20 01:06:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_stop_hw_queues [2022-07-20 01:06:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 01:06:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 01:06:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 01:06:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 01:06:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:06:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:06:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_deinit_port [2022-07-20 01:06:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_deinit_port [2022-07-20 01:06:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_exec_internal_command [2022-07-20 01:06:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_exec_internal_command [2022-07-20 01:06:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 01:06:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 01:06:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_read_log_page [2022-07-20 01:06:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_read_log_page [2022-07-20 01:06:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 01:06:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 01:06:09,651 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-20 01:06:09,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:06:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:06:09,651 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:06:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:06:09,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 01:06:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 01:06:09,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:06:09,652 INFO L130 BoogieDeclarations]: Found specification of procedure ata_swap_string [2022-07-20 01:06:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_swap_string [2022-07-20 01:06:09,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 01:06:09,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 01:06:09,653 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-20 01:06:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-20 01:06:09,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 01:06:09,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 01:06:09,654 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_node [2022-07-20 01:06:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_node [2022-07-20 01:06:09,655 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-07-20 01:06:09,655 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-07-20 01:06:09,655 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-20 01:06:09,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-20 01:06:09,655 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-20 01:06:09,655 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-20 01:06:09,655 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 01:06:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 01:06:09,656 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-20 01:06:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-20 01:06:09,656 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-07-20 01:06:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2022-07-20 01:06:09,656 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_exit [2022-07-20 01:06:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_exit [2022-07-20 01:06:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_least_used_cpu_on_node [2022-07-20 01:06:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_least_used_cpu_on_node [2022-07-20 01:06:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 01:06:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 01:06:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 01:06:09,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 01:06:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 01:06:09,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 01:06:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:06:09,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:06:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_first [2022-07-20 01:06:09,658 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_first [2022-07-20 01:06:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbfx [2022-07-20 01:06:09,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbfx [2022-07-20 01:06:09,659 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_next_rr_node [2022-07-20 01:06:09,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_next_rr_node [2022-07-20 01:06:09,659 INFO L130 BoogieDeclarations]: Found specification of procedure hba_setup [2022-07-20 01:06:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure hba_setup [2022-07-20 01:06:09,660 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_fis [2022-07-20 01:06:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_fis [2022-07-20 01:06:09,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:06:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:06:09,661 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-20 01:06:09,661 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-20 01:06:09,661 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-07-20 01:06:09,661 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-07-20 01:06:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-20 01:06:09,662 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-20 01:06:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-20 01:06:09,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-20 01:06:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_iounmap_regions [2022-07-20 01:06:09,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_iounmap_regions [2022-07-20 01:06:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-07-20 01:06:09,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-07-20 01:06:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure __pcibus_to_node [2022-07-20 01:06:09,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __pcibus_to_node [2022-07-20 01:06:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:06:09,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:06:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:06:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_start_port [2022-07-20 01:06:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_start_port [2022-07-20 01:06:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:06:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 01:06:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 01:06:09,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:06:09,665 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-07-20 01:06:09,667 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-07-20 01:06:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 01:06:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 01:06:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 01:06:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 01:06:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_debugfs_exit [2022-07-20 01:06:09,669 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_debugfs_exit [2022-07-20 01:06:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-20 01:06:09,670 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-20 01:06:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 01:06:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 01:06:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 01:06:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 01:06:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-20 01:06:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-20 01:06:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 01:06:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 01:06:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 01:06:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 01:06:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 01:06:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 01:06:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 01:06:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf5 [2022-07-20 01:06:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf5 [2022-07-20 01:06:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf6 [2022-07-20 01:06:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf6 [2022-07-20 01:06:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf7 [2022-07-20 01:06:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf7 [2022-07-20 01:06:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_rq_from_tag [2022-07-20 01:06:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_rq_from_tag [2022-07-20 01:06:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf1 [2022-07-20 01:06:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf1 [2022-07-20 01:06:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf2 [2022-07-20 01:06:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf2 [2022-07-20 01:06:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf3 [2022-07-20 01:06:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf3 [2022-07-20 01:06:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf4 [2022-07-20 01:06:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf4 [2022-07-20 01:06:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf0 [2022-07-20 01:06:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf0 [2022-07-20 01:06:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:06:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:06:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 01:06:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 01:06:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_put_int_command [2022-07-20 01:06:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_put_int_command [2022-07-20 01:06:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 01:06:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 01:06:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 01:06:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hba_reset [2022-07-20 01:06:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hba_reset [2022-07-20 01:06:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 01:06:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 01:06:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:06:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 01:06:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:06:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure bdput [2022-07-20 01:06:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure bdput [2022-07-20 01:06:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:06:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:06:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_alloc_coherent [2022-07-20 01:06:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_alloc_coherent [2022-07-20 01:06:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_standby_immediate [2022-07-20 01:06:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_standby_immediate [2022-07-20 01:06:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_get [2022-07-20 01:06:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_get [2022-07-20 01:06:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-20 01:06:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-20 01:06:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-20 01:06:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 01:06:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 01:06:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-20 01:06:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-20 01:06:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2022-07-20 01:06:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2022-07-20 01:06:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:06:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:06:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 01:06:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 01:06:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2022-07-20 01:06:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2022-07-20 01:06:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 01:06:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 01:06:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure drop_cpu [2022-07-20 01:06:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_cpu [2022-07-20 01:06:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:06:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:06:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_disable_link_opts [2022-07-20 01:06:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_disable_link_opts [2022-07-20 01:06:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:06:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:06:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-20 01:06:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-20 01:06:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_cmd_from_tag [2022-07-20 01:06:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_cmd_from_tag [2022-07-20 01:06:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-07-20 01:06:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-07-20 01:06:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:06:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 01:06:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 01:06:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-20 01:06:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-20 01:06:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-07-20 01:06:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-07-20 01:06:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:06:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_7 [2022-07-20 01:06:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_7 [2022-07-20 01:06:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-20 01:06:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-20 01:06:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure exec_drive_taskfile [2022-07-20 01:06:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure exec_drive_taskfile [2022-07-20 01:06:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 01:06:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 01:06:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 01:06:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 01:06:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:06:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_init_port [2022-07-20 01:06:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_init_port [2022-07-20 01:06:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 01:06:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 01:06:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure ida_remove [2022-07-20 01:06:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_remove [2022-07-20 01:06:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_restart_port [2022-07-20 01:06:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_restart_port [2022-07-20 01:06:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 01:06:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 01:06:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-20 01:06:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-20 01:06:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 01:06:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 01:06:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_stopped_hw_queues [2022-07-20 01:06:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_start_stopped_hw_queues [2022-07-20 01:06:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-07-20 01:06:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-07-20 01:06:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-20 01:06:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-20 01:06:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_free_coherent [2022-07-20 01:06:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_free_coherent [2022-07-20 01:06:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_remove [2022-07-20 01:06:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_remove [2022-07-20 01:06:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_issue_ncq_command [2022-07-20 01:06:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_issue_ncq_command [2022-07-20 01:06:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2022-07-20 01:06:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2022-07-20 01:06:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 01:06:09,694 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 01:06:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_identify [2022-07-20 01:06:09,694 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_identify [2022-07-20 01:06:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:06:09,694 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:06:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-20 01:06:09,694 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-20 01:06:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 01:06:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 01:06:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 01:06:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 01:06:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:06:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:06:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_set_timeout [2022-07-20 01:06:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_set_timeout [2022-07-20 01:06:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2022-07-20 01:06:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2022-07-20 01:06:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_resume [2022-07-20 01:06:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_resume [2022-07-20 01:06:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:06:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:06:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-20 01:06:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-20 01:06:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-20 01:06:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-20 01:06:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2022-07-20 01:06:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2022-07-20 01:06:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_shutdown [2022-07-20 01:06:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_shutdown [2022-07-20 01:06:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 01:06:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 01:06:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-07-20 01:06:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-07-20 01:06:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_device_reset [2022-07-20 01:06:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_device_reset [2022-07-20 01:06:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_engine [2022-07-20 01:06:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_engine [2022-07-20 01:06:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_7 [2022-07-20 01:06:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_7 [2022-07-20 01:06:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_enable_device [2022-07-20 01:06:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_enable_device [2022-07-20 01:06:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 01:06:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 01:06:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_check_surprise_removal [2022-07-20 01:06:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_check_surprise_removal [2022-07-20 01:06:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2022-07-20 01:06:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2022-07-20 01:06:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-20 01:06:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-20 01:06:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_end_request [2022-07-20 01:06:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_end_request [2022-07-20 01:06:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-07-20 01:06:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-07-20 01:06:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 01:06:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 01:06:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2022-07-20 01:06:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2022-07-20 01:06:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-20 01:06:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-20 01:06:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 01:06:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 01:06:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 01:06:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 01:06:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_dma_free [2022-07-20 01:06:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_dma_free [2022-07-20 01:06:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_initialize [2022-07-20 01:06:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_initialize [2022-07-20 01:06:10,583 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:06:10,586 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:06:11,551 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:07:47,765 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:07:47,797 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:07:47,803 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 01:07:47,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:07:47 BoogieIcfgContainer [2022-07-20 01:07:47,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:07:47,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:07:47,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:07:47,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:07:47,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:06:05" (1/3) ... [2022-07-20 01:07:47,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1ccb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:07:47, skipping insertion in model container [2022-07-20 01:07:47,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:08" (2/3) ... [2022-07-20 01:07:47,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1ccb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:07:47, skipping insertion in model container [2022-07-20 01:07:47,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:07:47" (3/3) ... [2022-07-20 01:07:47,818 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i [2022-07-20 01:07:47,830 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:07:47,831 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:07:47,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:07:47,942 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@5b579874, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6afe5fb [2022-07-20 01:07:47,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:07:47,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 2932 states, 2043 states have (on average 1.3480176211453745) internal successors, (2754), 2093 states have internal predecessors, (2754), 744 states have call successors, (744), 145 states have call predecessors, (744), 144 states have return successors, (727), 727 states have call predecessors, (727), 727 states have call successors, (727) [2022-07-20 01:07:47,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2022-07-20 01:07:47,999 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:07:48,000 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:07:48,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:07:48,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:07:48,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1077886916, now seen corresponding path program 1 times [2022-07-20 01:07:48,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:07:48,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527197142] [2022-07-20 01:07:48,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:07:48,023 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:07:48,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:07:48,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:07:48,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 01:07:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:50,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 3577 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-20 01:07:50,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:07:50,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 3684 trivial. 0 not checked. [2022-07-20 01:07:50,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:07:50,657 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:07:50,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [527197142] [2022-07-20 01:07:50,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [527197142] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:07:50,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:07:50,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 01:07:50,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145076200] [2022-07-20 01:07:50,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:07:50,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 01:07:50,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:07:50,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 01:07:50,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 01:07:50,685 INFO L87 Difference]: Start difference. First operand has 2932 states, 2043 states have (on average 1.3480176211453745) internal successors, (2754), 2093 states have internal predecessors, (2754), 744 states have call successors, (744), 145 states have call predecessors, (744), 144 states have return successors, (727), 727 states have call predecessors, (727), 727 states have call successors, (727) Second operand has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-20 01:07:50,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:07:50,853 INFO L93 Difference]: Finished difference Result 5856 states and 8598 transitions. [2022-07-20 01:07:50,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 01:07:50,860 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 527 [2022-07-20 01:07:50,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:07:50,894 INFO L225 Difference]: With dead ends: 5856 [2022-07-20 01:07:50,894 INFO L226 Difference]: Without dead ends: 2891 [2022-07-20 01:07:50,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 01:07:50,917 INFO L413 NwaCegarLoop]: 4215 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4215 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:07:50,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4215 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 01:07:50,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2891 states. [2022-07-20 01:07:51,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2891 to 2891. [2022-07-20 01:07:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2891 states, 2023 states have (on average 1.3371230845279287) internal successors, (2705), 2053 states have internal predecessors, (2705), 724 states have call successors, (724), 144 states have call predecessors, (724), 143 states have return successors, (723), 723 states have call predecessors, (723), 723 states have call successors, (723) [2022-07-20 01:07:51,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2891 states and 4152 transitions. [2022-07-20 01:07:51,103 INFO L78 Accepts]: Start accepts. Automaton has 2891 states and 4152 transitions. Word has length 527 [2022-07-20 01:07:51,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:07:51,105 INFO L495 AbstractCegarLoop]: Abstraction has 2891 states and 4152 transitions. [2022-07-20 01:07:51,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-20 01:07:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 4152 transitions. [2022-07-20 01:07:51,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2022-07-20 01:07:51,114 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:07:51,115 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:07:51,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 01:07:51,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:07:51,338 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:07:51,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:07:51,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1498016676, now seen corresponding path program 1 times [2022-07-20 01:07:51,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:07:51,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1964643649] [2022-07-20 01:07:51,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:07:51,340 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:07:51,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:07:51,342 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:07:51,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 01:07:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:54,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 3577 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 01:07:54,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:07:55,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 3570 trivial. 0 not checked. [2022-07-20 01:07:55,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:07:55,521 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:07:55,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1964643649] [2022-07-20 01:07:55,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1964643649] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:07:55,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:07:55,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:07:55,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530603452] [2022-07-20 01:07:55,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:07:55,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:07:55,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:07:55,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:07:55,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:07:55,524 INFO L87 Difference]: Start difference. First operand 2891 states and 4152 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-20 01:07:58,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:07:58,355 INFO L93 Difference]: Finished difference Result 5752 states and 8320 transitions. [2022-07-20 01:07:58,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:07:58,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 527 [2022-07-20 01:07:58,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:07:58,373 INFO L225 Difference]: With dead ends: 5752 [2022-07-20 01:07:58,374 INFO L226 Difference]: Without dead ends: 2894 [2022-07-20 01:07:58,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:07:58,387 INFO L413 NwaCegarLoop]: 4125 mSDtfsCounter, 6 mSDsluCounter, 16424 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 20549 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-20 01:07:58,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 20549 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-20 01:07:58,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2894 states. [2022-07-20 01:07:58,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2894 to 2894. [2022-07-20 01:07:58,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2894 states, 2025 states have (on average 1.337283950617284) internal successors, (2708), 2056 states have internal predecessors, (2708), 724 states have call successors, (724), 144 states have call predecessors, (724), 144 states have return successors, (725), 723 states have call predecessors, (725), 723 states have call successors, (725) [2022-07-20 01:07:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2894 states and 4157 transitions. [2022-07-20 01:07:58,475 INFO L78 Accepts]: Start accepts. Automaton has 2894 states and 4157 transitions. Word has length 527 [2022-07-20 01:07:58,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:07:58,477 INFO L495 AbstractCegarLoop]: Abstraction has 2894 states and 4157 transitions. [2022-07-20 01:07:58,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-20 01:07:58,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 4157 transitions. [2022-07-20 01:07:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2022-07-20 01:07:58,485 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:07:58,485 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:07:58,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-20 01:07:58,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:07:58,708 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:07:58,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:07:58,708 INFO L85 PathProgramCache]: Analyzing trace with hash 963764390, now seen corresponding path program 1 times [2022-07-20 01:07:58,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:07:58,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605324755] [2022-07-20 01:07:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:07:58,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:07:58,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:07:58,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:07:58,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 01:08:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:02,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 3819 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 01:08:02,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:08:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4474 backedges. 252 proven. 1 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2022-07-20 01:08:02,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:08:05,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4474 backedges. 0 proven. 211 refuted. 0 times theorem prover too weak. 4263 trivial. 0 not checked. [2022-07-20 01:08:05,453 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:08:05,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605324755] [2022-07-20 01:08:05,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605324755] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:08:05,454 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:08:05,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-20 01:08:05,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506889476] [2022-07-20 01:08:05,454 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:08:05,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 01:08:05,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:08:05,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 01:08:05,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-20 01:08:05,456 INFO L87 Difference]: Start difference. First operand 2894 states and 4157 transitions. Second operand has 11 states, 9 states have (on average 11.11111111111111) internal successors, (100), 11 states have internal predecessors, (100), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-20 01:08:11,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:08:11,481 INFO L93 Difference]: Finished difference Result 5763 states and 8336 transitions. [2022-07-20 01:08:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 01:08:11,482 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 11.11111111111111) internal successors, (100), 11 states have internal predecessors, (100), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) Word has length 549 [2022-07-20 01:08:11,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:08:11,497 INFO L225 Difference]: With dead ends: 5763 [2022-07-20 01:08:11,497 INFO L226 Difference]: Without dead ends: 2902 [2022-07-20 01:08:11,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1100 GetRequests, 1087 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:08:11,509 INFO L413 NwaCegarLoop]: 4127 mSDtfsCounter, 14 mSDsluCounter, 28731 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 32858 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:08:11,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 32858 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-20 01:08:11,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2022-07-20 01:08:11,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2900. [2022-07-20 01:08:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2900 states, 2029 states have (on average 1.3371118777723017) internal successors, (2713), 2060 states have internal predecessors, (2713), 725 states have call successors, (725), 145 states have call predecessors, (725), 145 states have return successors, (726), 724 states have call predecessors, (726), 724 states have call successors, (726) [2022-07-20 01:08:11,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 4164 transitions. [2022-07-20 01:08:11,592 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 4164 transitions. Word has length 549 [2022-07-20 01:08:11,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:08:11,594 INFO L495 AbstractCegarLoop]: Abstraction has 2900 states and 4164 transitions. [2022-07-20 01:08:11,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 11.11111111111111) internal successors, (100), 11 states have internal predecessors, (100), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-20 01:08:11,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 4164 transitions. [2022-07-20 01:08:11,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-07-20 01:08:11,597 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:08:11,598 INFO L195 NwaCegarLoop]: trace histogram [44, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:08:11,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 01:08:11,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:08:11,812 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:08:11,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:08:11,812 INFO L85 PathProgramCache]: Analyzing trace with hash 507306532, now seen corresponding path program 2 times [2022-07-20 01:08:11,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:08:11,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991044257] [2022-07-20 01:08:11,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:08:11,814 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:08:11,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:08:11,816 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:08:11,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 01:08:13,733 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:08:13,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:08:13,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 2074 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:08:13,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:08:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-20 01:08:14,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:08:14,169 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:08:14,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991044257] [2022-07-20 01:08:14,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991044257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:08:14,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:08:14,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:08:14,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517593069] [2022-07-20 01:08:14,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:08:14,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:08:14,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:08:14,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:08:14,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:08:14,171 INFO L87 Difference]: Start difference. First operand 2900 states and 4164 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-07-20 01:08:14,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:08:14,621 INFO L93 Difference]: Finished difference Result 8451 states and 12136 transitions. [2022-07-20 01:08:14,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:08:14,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 571 [2022-07-20 01:08:14,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:08:14,653 INFO L225 Difference]: With dead ends: 8451 [2022-07-20 01:08:14,654 INFO L226 Difference]: Without dead ends: 5648 [2022-07-20 01:08:14,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:08:14,670 INFO L413 NwaCegarLoop]: 4822 mSDtfsCounter, 4050 mSDsluCounter, 4007 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4050 SdHoareTripleChecker+Valid, 8829 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:08:14,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4050 Valid, 8829 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 01:08:14,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5648 states. [2022-07-20 01:08:14,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5648 to 5643. [2022-07-20 01:08:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5643 states, 3958 states have (on average 1.3408287013643254) internal successors, (5307), 4021 states have internal predecessors, (5307), 1396 states have call successors, (1396), 287 states have call predecessors, (1396), 288 states have return successors, (1399), 1394 states have call predecessors, (1399), 1395 states have call successors, (1399) [2022-07-20 01:08:14,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5643 states to 5643 states and 8102 transitions. [2022-07-20 01:08:14,924 INFO L78 Accepts]: Start accepts. Automaton has 5643 states and 8102 transitions. Word has length 571 [2022-07-20 01:08:14,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:08:14,925 INFO L495 AbstractCegarLoop]: Abstraction has 5643 states and 8102 transitions. [2022-07-20 01:08:14,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-07-20 01:08:14,925 INFO L276 IsEmpty]: Start isEmpty. Operand 5643 states and 8102 transitions. [2022-07-20 01:08:14,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2022-07-20 01:08:14,930 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:08:14,930 INFO L195 NwaCegarLoop]: trace histogram [44, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:08:14,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 01:08:15,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:08:15,144 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:08:15,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:08:15,144 INFO L85 PathProgramCache]: Analyzing trace with hash 352628477, now seen corresponding path program 1 times [2022-07-20 01:08:15,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:08:15,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155370925] [2022-07-20 01:08:15,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:08:15,146 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:08:15,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:08:15,147 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:08:15,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 01:08:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:18,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 4069 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 01:08:18,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:08:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 357 proven. 3 refuted. 0 times theorem prover too weak. 5313 trivial. 0 not checked. [2022-07-20 01:08:19,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:08:22,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 5355 trivial. 0 not checked. [2022-07-20 01:08:22,678 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:08:22,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155370925] [2022-07-20 01:08:22,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155370925] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:08:22,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:08:22,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-20 01:08:22,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304738727] [2022-07-20 01:08:22,679 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:08:22,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 01:08:22,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:08:22,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 01:08:22,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-20 01:08:22,686 INFO L87 Difference]: Start difference. First operand 5643 states and 8102 transitions. Second operand has 13 states, 11 states have (on average 9.636363636363637) internal successors, (106), 13 states have internal predecessors, (106), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-20 01:08:29,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:08:29,325 INFO L93 Difference]: Finished difference Result 11266 states and 16273 transitions. [2022-07-20 01:08:29,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 01:08:29,326 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.636363636363637) internal successors, (106), 13 states have internal predecessors, (106), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) Word has length 575 [2022-07-20 01:08:29,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:08:29,356 INFO L225 Difference]: With dead ends: 11266 [2022-07-20 01:08:29,356 INFO L226 Difference]: Without dead ends: 5653 [2022-07-20 01:08:29,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1153 GetRequests, 1137 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-20 01:08:29,439 INFO L413 NwaCegarLoop]: 4128 mSDtfsCounter, 22 mSDsluCounter, 28759 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 32887 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-20 01:08:29,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 32887 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-20 01:08:29,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5653 states. [2022-07-20 01:08:29,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5653 to 5645. [2022-07-20 01:08:29,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5645 states, 3960 states have (on average 1.3411616161616162) internal successors, (5311), 4023 states have internal predecessors, (5311), 1396 states have call successors, (1396), 287 states have call predecessors, (1396), 288 states have return successors, (1399), 1394 states have call predecessors, (1399), 1395 states have call successors, (1399) [2022-07-20 01:08:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5645 states to 5645 states and 8106 transitions. [2022-07-20 01:08:29,608 INFO L78 Accepts]: Start accepts. Automaton has 5645 states and 8106 transitions. Word has length 575 [2022-07-20 01:08:29,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:08:29,609 INFO L495 AbstractCegarLoop]: Abstraction has 5645 states and 8106 transitions. [2022-07-20 01:08:29,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.636363636363637) internal successors, (106), 13 states have internal predecessors, (106), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-20 01:08:29,609 INFO L276 IsEmpty]: Start isEmpty. Operand 5645 states and 8106 transitions. [2022-07-20 01:08:29,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-07-20 01:08:29,613 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:08:29,613 INFO L195 NwaCegarLoop]: trace histogram [66, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:08:29,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 01:08:29,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:08:29,816 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:08:29,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:08:29,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1328670079, now seen corresponding path program 2 times [2022-07-20 01:08:29,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:08:29,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14520717] [2022-07-20 01:08:29,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:08:29,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:08:29,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:08:29,832 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:08:29,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 01:08:31,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:08:31,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:08:31,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:08:31,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:08:32,248 INFO L134 CoverageAnalysis]: Checked inductivity of 7356 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7356 trivial. 0 not checked. [2022-07-20 01:08:32,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:08:32,249 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:08:32,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [14520717] [2022-07-20 01:08:32,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [14520717] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:08:32,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:08:32,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:08:32,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013383544] [2022-07-20 01:08:32,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:08:32,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:08:32,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:08:32,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:08:32,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:08:32,250 INFO L87 Difference]: Start difference. First operand 5645 states and 8106 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-07-20 01:08:32,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:08:32,733 INFO L93 Difference]: Finished difference Result 16661 states and 23921 transitions. [2022-07-20 01:08:32,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:08:32,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 597 [2022-07-20 01:08:32,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:08:32,875 INFO L225 Difference]: With dead ends: 16661 [2022-07-20 01:08:32,876 INFO L226 Difference]: Without dead ends: 11113 [2022-07-20 01:08:32,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:08:32,889 INFO L413 NwaCegarLoop]: 4890 mSDtfsCounter, 4064 mSDsluCounter, 4007 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4064 SdHoareTripleChecker+Valid, 8897 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:08:32,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4064 Valid, 8897 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 01:08:32,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11113 states. [2022-07-20 01:08:33,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11113 to 11106. [2022-07-20 01:08:33,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11106 states, 7799 states have (on average 1.342608026670086) internal successors, (10471), 7926 states have internal predecessors, (10471), 2732 states have call successors, (2732), 571 states have call predecessors, (2732), 574 states have return successors, (2739), 2728 states have call predecessors, (2739), 2731 states have call successors, (2739) [2022-07-20 01:08:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11106 states to 11106 states and 15942 transitions. [2022-07-20 01:08:33,140 INFO L78 Accepts]: Start accepts. Automaton has 11106 states and 15942 transitions. Word has length 597 [2022-07-20 01:08:33,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:08:33,141 INFO L495 AbstractCegarLoop]: Abstraction has 11106 states and 15942 transitions. [2022-07-20 01:08:33,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-07-20 01:08:33,142 INFO L276 IsEmpty]: Start isEmpty. Operand 11106 states and 15942 transitions. [2022-07-20 01:08:33,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-07-20 01:08:33,145 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:08:33,146 INFO L195 NwaCegarLoop]: trace histogram [66, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:08:33,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-20 01:08:33,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:08:33,365 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:08:33,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:08:33,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1858692919, now seen corresponding path program 1 times [2022-07-20 01:08:33,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:08:33,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428768536] [2022-07-20 01:08:33,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:08:33,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:08:33,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:08:33,369 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:08:33,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 01:08:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:37,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 4314 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-20 01:08:37,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:08:38,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7356 backedges. 504 proven. 6 refuted. 0 times theorem prover too weak. 6846 trivial. 0 not checked. [2022-07-20 01:08:38,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:08:42,004 INFO L134 CoverageAnalysis]: Checked inductivity of 7356 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 6888 trivial. 0 not checked. [2022-07-20 01:08:42,005 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:08:42,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428768536] [2022-07-20 01:08:42,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [428768536] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:08:42,005 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:08:42,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-20 01:08:42,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43008346] [2022-07-20 01:08:42,006 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:08:42,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-20 01:08:42,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:08:42,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-20 01:08:42,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:08:42,007 INFO L87 Difference]: Start difference. First operand 11106 states and 15942 transitions. Second operand has 15 states, 13 states have (on average 8.461538461538462) internal successors, (110), 15 states have internal predecessors, (110), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-20 01:08:49,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:08:49,382 INFO L93 Difference]: Finished difference Result 22210 states and 32059 transitions. [2022-07-20 01:08:49,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 01:08:49,396 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 8.461538461538462) internal successors, (110), 15 states have internal predecessors, (110), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) Word has length 599 [2022-07-20 01:08:49,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:08:49,485 INFO L225 Difference]: With dead ends: 22210 [2022-07-20 01:08:49,486 INFO L226 Difference]: Without dead ends: 11134 [2022-07-20 01:08:49,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1202 GetRequests, 1183 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-20 01:08:49,625 INFO L413 NwaCegarLoop]: 4129 mSDtfsCounter, 25 mSDsluCounter, 32867 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 36996 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:08:49,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 36996 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-20 01:08:49,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11134 states. [2022-07-20 01:08:49,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11134 to 11110. [2022-07-20 01:08:49,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11110 states, 7803 states have (on average 1.3429450211457132) internal successors, (10479), 7930 states have internal predecessors, (10479), 2732 states have call successors, (2732), 571 states have call predecessors, (2732), 574 states have return successors, (2739), 2728 states have call predecessors, (2739), 2731 states have call successors, (2739) [2022-07-20 01:08:49,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11110 states to 11110 states and 15950 transitions. [2022-07-20 01:08:49,898 INFO L78 Accepts]: Start accepts. Automaton has 11110 states and 15950 transitions. Word has length 599 [2022-07-20 01:08:49,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:08:49,898 INFO L495 AbstractCegarLoop]: Abstraction has 11110 states and 15950 transitions. [2022-07-20 01:08:49,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 8.461538461538462) internal successors, (110), 15 states have internal predecessors, (110), 4 states have call successors, (68), 2 states have call predecessors, (68), 5 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2022-07-20 01:08:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 11110 states and 15950 transitions. [2022-07-20 01:08:49,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-07-20 01:08:49,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:08:49,903 INFO L195 NwaCegarLoop]: trace histogram [88, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:08:49,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 01:08:50,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:08:50,132 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:08:50,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:08:50,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1272303691, now seen corresponding path program 2 times [2022-07-20 01:08:50,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:08:50,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898593817] [2022-07-20 01:08:50,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:08:50,135 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:08:50,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:08:50,137 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:08:50,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 01:08:52,248 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:08:52,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:08:52,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:08:52,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:08:52,746 INFO L134 CoverageAnalysis]: Checked inductivity of 9523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9523 trivial. 0 not checked. [2022-07-20 01:08:52,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:08:52,746 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:08:52,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898593817] [2022-07-20 01:08:52,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898593817] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:08:52,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:08:52,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:08:52,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415601685] [2022-07-20 01:08:52,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:08:52,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:08:52,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:08:52,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:08:52,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:08:52,748 INFO L87 Difference]: Start difference. First operand 11110 states and 15950 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, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-07-20 01:08:53,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:08:53,360 INFO L93 Difference]: Finished difference Result 32748 states and 46985 transitions. [2022-07-20 01:08:53,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:08:53,361 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, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 621 [2022-07-20 01:08:53,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:08:53,516 INFO L225 Difference]: With dead ends: 32748 [2022-07-20 01:08:53,516 INFO L226 Difference]: Without dead ends: 21735 [2022-07-20 01:08:53,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:08:53,541 INFO L413 NwaCegarLoop]: 4924 mSDtfsCounter, 3970 mSDsluCounter, 4007 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3970 SdHoareTripleChecker+Valid, 8931 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:08:53,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3970 Valid, 8931 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 01:08:53,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21735 states. [2022-07-20 01:08:53,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21735 to 21732. [2022-07-20 01:08:54,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21732 states, 15261 states have (on average 1.3425725706048097) internal successors, (20489), 15512 states have internal predecessors, (20489), 5330 states have call successors, (5330), 1133 states have call predecessors, (5330), 1140 states have return successors, (5345), 5326 states have call predecessors, (5345), 5329 states have call successors, (5345) [2022-07-20 01:08:54,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21732 states to 21732 states and 31164 transitions. [2022-07-20 01:08:54,107 INFO L78 Accepts]: Start accepts. Automaton has 21732 states and 31164 transitions. Word has length 621 [2022-07-20 01:08:54,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:08:54,108 INFO L495 AbstractCegarLoop]: Abstraction has 21732 states and 31164 transitions. [2022-07-20 01:08:54,108 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, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-07-20 01:08:54,108 INFO L276 IsEmpty]: Start isEmpty. Operand 21732 states and 31164 transitions. [2022-07-20 01:08:54,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2022-07-20 01:08:54,114 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:08:54,114 INFO L195 NwaCegarLoop]: trace histogram [88, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:08:54,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 01:08:54,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:08:54,340 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:08:54,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:08:54,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1544902890, now seen corresponding path program 1 times [2022-07-20 01:08:54,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:08:54,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828631138] [2022-07-20 01:08:54,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:08:54,342 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:08:54,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:08:54,344 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:08:54,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-20 01:08:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:59,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 4905 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-20 01:08:59,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:09:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 9526 backedges. 1351 proven. 10 refuted. 0 times theorem prover too weak. 8165 trivial. 0 not checked. [2022-07-20 01:09:00,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:09:04,783 INFO L134 CoverageAnalysis]: Checked inductivity of 9526 backedges. 31 proven. 630 refuted. 0 times theorem prover too weak. 8865 trivial. 0 not checked. [2022-07-20 01:09:04,783 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:09:04,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828631138] [2022-07-20 01:09:04,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1828631138] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:09:04,783 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:09:04,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-20 01:09:04,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728322200] [2022-07-20 01:09:04,784 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:09:04,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-20 01:09:04,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:09:04,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-20 01:09:04,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-20 01:09:04,785 INFO L87 Difference]: Start difference. First operand 21732 states and 31164 transitions. Second operand has 17 states, 15 states have (on average 8.8) internal successors, (132), 17 states have internal predecessors, (132), 4 states have call successors, (73), 2 states have call predecessors, (73), 5 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) [2022-07-20 01:09:13,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:09:13,295 INFO L93 Difference]: Finished difference Result 43509 states and 62728 transitions. [2022-07-20 01:09:13,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 01:09:13,296 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 8.8) internal successors, (132), 17 states have internal predecessors, (132), 4 states have call successors, (73), 2 states have call predecessors, (73), 5 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) Word has length 645 [2022-07-20 01:09:13,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:09:13,513 INFO L225 Difference]: With dead ends: 43509 [2022-07-20 01:09:13,517 INFO L226 Difference]: Without dead ends: 21810 [2022-07-20 01:09:13,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1294 GetRequests, 1273 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-20 01:09:13,587 INFO L413 NwaCegarLoop]: 4129 mSDtfsCounter, 64 mSDsluCounter, 32853 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 36982 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:09:13,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 36982 Invalid, 631 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-07-20 01:09:13,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21810 states. [2022-07-20 01:09:14,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21810 to 21748. [2022-07-20 01:09:14,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21748 states, 15276 states have (on average 1.3430217334380727) internal successors, (20516), 15527 states have internal predecessors, (20516), 5330 states have call successors, (5330), 1134 states have call predecessors, (5330), 1141 states have return successors, (5347), 5326 states have call predecessors, (5347), 5329 states have call successors, (5347) [2022-07-20 01:09:14,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21748 states to 21748 states and 31193 transitions. [2022-07-20 01:09:14,268 INFO L78 Accepts]: Start accepts. Automaton has 21748 states and 31193 transitions. Word has length 645 [2022-07-20 01:09:14,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:09:14,268 INFO L495 AbstractCegarLoop]: Abstraction has 21748 states and 31193 transitions. [2022-07-20 01:09:14,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 8.8) internal successors, (132), 17 states have internal predecessors, (132), 4 states have call successors, (73), 2 states have call predecessors, (73), 5 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) [2022-07-20 01:09:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 21748 states and 31193 transitions. [2022-07-20 01:09:14,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2022-07-20 01:09:14,275 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:09:14,275 INFO L195 NwaCegarLoop]: trace histogram [96, 22, 22, 22, 22, 22, 22, 22, 22, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:09:14,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-20 01:09:14,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:09:14,496 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:09:14,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:09:14,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1387607110, now seen corresponding path program 2 times [2022-07-20 01:09:14,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:09:14,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1436341477] [2022-07-20 01:09:14,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:09:14,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:09:14,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:09:14,512 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:09:14,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-20 01:09:16,901 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:09:16,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:09:16,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:09:16,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:09:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 10434 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10434 trivial. 0 not checked. [2022-07-20 01:09:31,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:09:31,700 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:09:31,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1436341477] [2022-07-20 01:09:31,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1436341477] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:09:31,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:09:31,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 01:09:31,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916317226] [2022-07-20 01:09:31,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:09:31,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:09:31,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:09:31,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:09:31,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:09:31,702 INFO L87 Difference]: Start difference. First operand 21748 states and 31193 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2022-07-20 01:09:32,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:09:32,021 INFO L93 Difference]: Finished difference Result 21864 states and 31301 transitions. [2022-07-20 01:09:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:09:32,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 653 [2022-07-20 01:09:32,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:09:32,026 INFO L225 Difference]: With dead ends: 21864 [2022-07-20 01:09:32,026 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 01:09:32,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:09:32,095 INFO L413 NwaCegarLoop]: 4150 mSDtfsCounter, 3811 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 4308 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:09:32,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3811 Valid, 4308 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 01:09:32,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 01:09:32,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 01:09:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 01:09:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 01:09:32,102 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 653 [2022-07-20 01:09:32,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:09:32,102 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 01:09:32,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2022-07-20 01:09:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 01:09:32,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 01:09:32,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 01:09:32,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-20 01:09:32,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:09:32,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.