./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-?-3598765 [2022-07-21 12:36:57,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:36:57,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:36:57,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:36:57,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:36:57,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:36:57,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:36:57,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:36:57,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:36:57,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:36:57,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:36:57,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:36:57,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:36:57,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:36:57,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:36:57,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:36:57,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:36:57,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:36:57,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:36:57,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:36:57,133 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:36:57,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:36:57,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:36:57,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:36:57,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:36:57,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:36:57,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:36:57,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:36:57,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:36:57,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:36:57,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:36:57,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:36:57,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:36:57,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:36:57,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:36:57,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:36:57,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:36:57,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:36:57,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:36:57,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:36:57,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:36:57,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:36:57,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:36:57,207 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:36:57,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:36:57,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:36:57,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:36:57,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:36:57,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:36:57,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:36:57,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:36:57,210 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:36:57,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:36:57,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:36:57,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:36:57,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:36:57,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:36:57,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:36:57,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:36:57,212 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:36:57,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:36:57,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:36:57,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:36:57,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:36:57,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:36:57,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:36:57,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:36:57,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:36:57,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:36:57,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:36:57,214 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:36:57,214 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:36:57,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:36:57,215 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0e55ca795fc0b7479008c7c7ace6ad96366c87862ace8719a39598b92db6b60 [2022-07-21 12:36:57,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:36:57,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:36:57,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:36:57,521 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:36:57,522 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:36:57,523 INFO L432 ainManager$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 [2022-07-21 12:36:57,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d3c7fc51/54a4ad2b359646168686bc1b726912ba/FLAG84ba474ce [2022-07-21 12:36:58,331 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:36:58,331 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 [2022-07-21 12:36:58,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d3c7fc51/54a4ad2b359646168686bc1b726912ba/FLAG84ba474ce [2022-07-21 12:36:58,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d3c7fc51/54a4ad2b359646168686bc1b726912ba [2022-07-21 12:36:58,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:36:58,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:36:58,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:36:58,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:36:58,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:36:58,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:36:58" (1/1) ... [2022-07-21 12:36:58,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284053c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:36:58, skipping insertion in model container [2022-07-21 12:36:58,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:36:58" (1/1) ... [2022-07-21 12:36:58,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:36:58,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:37:01,500 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] [2022-07-21 12:37:01,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:37:01,624 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:37:02,134 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) [2022-07-21 12:37:02,155 INFO L158 Benchmark]: Toolchain (without parser) took 3544.98ms. Allocated memory was 75.5MB in the beginning and 165.7MB in the end (delta: 90.2MB). Free memory was 40.0MB in the beginning and 77.9MB in the end (delta: -37.9MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2022-07-21 12:37:02,156 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory was 55.9MB in the beginning and 55.8MB in the end (delta: 35.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 12:37:02,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3541.92ms. Allocated memory was 75.5MB in the beginning and 165.7MB in the end (delta: 90.2MB). Free memory was 39.9MB in the beginning and 77.9MB in the end (delta: -38.1MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2022-07-21 12:37:02,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory was 55.9MB in the beginning and 55.8MB in the end (delta: 35.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3541.92ms. Allocated memory was 75.5MB in the beginning and 165.7MB in the end (delta: 90.2MB). Free memory was 39.9MB in the beginning and 77.9MB in the end (delta: -38.1MB). Peak memory consumption was 63.3MB. 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-?-3598765 [2022-07-21 12:37:03,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:37:03,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:37:03,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:37:03,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:37:03,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:37:03,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:37:03,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:37:03,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:37:03,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:37:03,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:37:03,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:37:03,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:37:03,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:37:03,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:37:03,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:37:03,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:37:03,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:37:03,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:37:03,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:37:03,997 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:37:03,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:37:04,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:37:04,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:37:04,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:37:04,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:37:04,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:37:04,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:37:04,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:37:04,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:37:04,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:37:04,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:37:04,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:37:04,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:37:04,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:37:04,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:37:04,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:37:04,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:37:04,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:37:04,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:37:04,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:37:04,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:37:04,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 12:37:04,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:37:04,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:37:04,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:37:04,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:37:04,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:37:04,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:37:04,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:37:04,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:37:04,058 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:37:04,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:37:04,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:37:04,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:37:04,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:37:04,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:37:04,060 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 12:37:04,069 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 12:37:04,070 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 12:37:04,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:37:04,070 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:37:04,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:37:04,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:37:04,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:37:04,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:37:04,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:37:04,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:37:04,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:37:04,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:37:04,072 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 12:37:04,072 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 12:37:04,072 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:37:04,073 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:37:04,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:37:04,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 12:37:04,073 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0e55ca795fc0b7479008c7c7ace6ad96366c87862ace8719a39598b92db6b60 [2022-07-21 12:37:04,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:37:04,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:37:04,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:37:04,391 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:37:04,391 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:37:04,393 INFO L432 ainManager$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 [2022-07-21 12:37:04,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/302f8f787/2e297f5b03c448b1ac2885e1cab95598/FLAG002cfe2dd [2022-07-21 12:37:05,301 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:37:05,302 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 [2022-07-21 12:37:05,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/302f8f787/2e297f5b03c448b1ac2885e1cab95598/FLAG002cfe2dd [2022-07-21 12:37:05,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/302f8f787/2e297f5b03c448b1ac2885e1cab95598 [2022-07-21 12:37:05,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:37:05,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:37:05,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:37:05,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:37:05,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:37:05,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:37:05" (1/1) ... [2022-07-21 12:37:05,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5e6da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:37:05, skipping insertion in model container [2022-07-21 12:37:05,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:37:05" (1/1) ... [2022-07-21 12:37:05,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:37:05,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:37:08,620 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] [2022-07-21 12:37:08,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:37:08,740 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 12:37:08,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:37:09,273 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] [2022-07-21 12:37:09,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:37:09,310 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:37:09,847 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] [2022-07-21 12:37:09,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:37:09,980 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:37:09,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:37:09 WrapperNode [2022-07-21 12:37:09,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:37:09,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:37:09,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:37:09,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:37:09,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:37:09" (1/1) ... [2022-07-21 12:37:10,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:37:09" (1/1) ... [2022-07-21 12:37:10,362 INFO L137 Inliner]: procedures = 466, calls = 3513, calls flagged for inlining = 214, calls inlined = 200, statements flattened = 8641 [2022-07-21 12:37:10,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:37:10,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:37:10,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:37:10,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:37:10,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:37:09" (1/1) ... [2022-07-21 12:37:10,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:37:09" (1/1) ... [2022-07-21 12:37:10,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:37:09" (1/1) ... [2022-07-21 12:37:10,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:37:09" (1/1) ... [2022-07-21 12:37:10,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:37:09" (1/1) ... [2022-07-21 12:37:10,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:37:09" (1/1) ... [2022-07-21 12:37:10,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:37:09" (1/1) ... [2022-07-21 12:37:10,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:37:10,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:37:10,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:37:10,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:37:10,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:37:09" (1/1) ... [2022-07-21 12:37:10,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:37:10,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:37:10,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 12:37:10,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 12:37:10,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2022-07-21 12:37:10,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2022-07-21 12:37:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_get_capacity [2022-07-21 12:37:10,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_get_capacity [2022-07-21 12:37:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:37:10,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:37:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_ioctl [2022-07-21 12:37:10,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_ioctl [2022-07-21 12:37:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure __first_node [2022-07-21 12:37:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __first_node [2022-07-21 12:37:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 12:37:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 12:37:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:37:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:37:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-21 12:37:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-21 12:37:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_stop_hw_queues [2022-07-21 12:37:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_stop_hw_queues [2022-07-21 12:37:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 12:37:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 12:37:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 12:37:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 12:37:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 12:37:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 12:37:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_deinit_port [2022-07-21 12:37:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_deinit_port [2022-07-21 12:37:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_exec_internal_command [2022-07-21 12:37:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_exec_internal_command [2022-07-21 12:37:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 12:37:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 12:37:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_read_log_page [2022-07-21 12:37:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_read_log_page [2022-07-21 12:37:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 12:37:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 12:37:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-21 12:37:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 12:37:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 12:37:10,846 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:37:10,846 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:37:10,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 12:37:10,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 12:37:10,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:37:10,847 INFO L130 BoogieDeclarations]: Found specification of procedure ata_swap_string [2022-07-21 12:37:10,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_swap_string [2022-07-21 12:37:10,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 12:37:10,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 12:37:10,847 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-21 12:37:10,848 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-21 12:37:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 12:37:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 12:37:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_node [2022-07-21 12:37:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_node [2022-07-21 12:37:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-07-21 12:37:10,850 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-07-21 12:37:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-21 12:37:10,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-21 12:37:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-21 12:37:10,850 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-21 12:37:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 12:37:10,851 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 12:37:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-21 12:37:10,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-21 12:37:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-07-21 12:37:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2022-07-21 12:37:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_exit [2022-07-21 12:37:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_exit [2022-07-21 12:37:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure get_least_used_cpu_on_node [2022-07-21 12:37:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure get_least_used_cpu_on_node [2022-07-21 12:37:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 12:37:10,853 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 12:37:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 12:37:10,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 12:37:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 12:37:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 12:37:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:37:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:37:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_first [2022-07-21 12:37:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_first [2022-07-21 12:37:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbfx [2022-07-21 12:37:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbfx [2022-07-21 12:37:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_next_rr_node [2022-07-21 12:37:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_next_rr_node [2022-07-21 12:37:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure hba_setup [2022-07-21 12:37:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure hba_setup [2022-07-21 12:37:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_fis [2022-07-21 12:37:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_fis [2022-07-21 12:37:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 12:37:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 12:37:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-21 12:37:10,857 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-21 12:37:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-07-21 12:37:10,857 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-07-21 12:37:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-21 12:37:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-21 12:37:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-21 12:37:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-21 12:37:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_iounmap_regions [2022-07-21 12:37:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_iounmap_regions [2022-07-21 12:37:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-07-21 12:37:10,859 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-07-21 12:37:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure __pcibus_to_node [2022-07-21 12:37:10,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __pcibus_to_node [2022-07-21 12:37:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:37:10,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:37:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:37:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_start_port [2022-07-21 12:37:10,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_start_port [2022-07-21 12:37:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:37:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 12:37:10,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 12:37:10,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:37:10,862 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-07-21 12:37:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-07-21 12:37:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 12:37:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 12:37:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 12:37:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 12:37:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_debugfs_exit [2022-07-21 12:37:10,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_debugfs_exit [2022-07-21 12:37:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-21 12:37:10,867 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-21 12:37:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 12:37:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 12:37:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 12:37:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 12:37:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-21 12:37:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-21 12:37:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 12:37:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 12:37:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 12:37:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 12:37:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 12:37:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 12:37:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 12:37:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf5 [2022-07-21 12:37:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf5 [2022-07-21 12:37:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf6 [2022-07-21 12:37:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf6 [2022-07-21 12:37:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf7 [2022-07-21 12:37:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf7 [2022-07-21 12:37:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_rq_from_tag [2022-07-21 12:37:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_rq_from_tag [2022-07-21 12:37:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf1 [2022-07-21 12:37:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf1 [2022-07-21 12:37:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf2 [2022-07-21 12:37:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf2 [2022-07-21 12:37:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf3 [2022-07-21 12:37:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf3 [2022-07-21 12:37:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf4 [2022-07-21 12:37:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf4 [2022-07-21 12:37:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_workq_sdbf0 [2022-07-21 12:37:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_workq_sdbf0 [2022-07-21 12:37:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:37:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:37:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 12:37:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 12:37:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_put_int_command [2022-07-21 12:37:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_put_int_command [2022-07-21 12:37:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 12:37:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 12:37:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 12:37:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hba_reset [2022-07-21 12:37:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hba_reset [2022-07-21 12:37:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 12:37:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 12:37:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:37:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 12:37:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:37:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure bdput [2022-07-21 12:37:10,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bdput [2022-07-21 12:37:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:37:10,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:37:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_alloc_coherent [2022-07-21 12:37:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_alloc_coherent [2022-07-21 12:37:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_standby_immediate [2022-07-21 12:37:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_standby_immediate [2022-07-21 12:37:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_get [2022-07-21 12:37:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_get [2022-07-21 12:37:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-21 12:37:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-21 12:37:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-21 12:37:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 12:37:10,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 12:37:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-21 12:37:10,881 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-21 12:37:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2022-07-21 12:37:10,881 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2022-07-21 12:37:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:37:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:37:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 12:37:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 12:37:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2022-07-21 12:37:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2022-07-21 12:37:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 12:37:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 12:37:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure drop_cpu [2022-07-21 12:37:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_cpu [2022-07-21 12:37:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:37:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:37:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_disable_link_opts [2022-07-21 12:37:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_disable_link_opts [2022-07-21 12:37:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:37:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:37:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-21 12:37:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-21 12:37:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_cmd_from_tag [2022-07-21 12:37:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_cmd_from_tag [2022-07-21 12:37:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-07-21 12:37:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-07-21 12:37:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:37:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:37:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:37:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 12:37:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 12:37:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-07-21 12:37:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-07-21 12:37:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:37:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_7 [2022-07-21 12:37:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_7 [2022-07-21 12:37:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 12:37:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 12:37:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure exec_drive_taskfile [2022-07-21 12:37:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure exec_drive_taskfile [2022-07-21 12:37:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 12:37:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 12:37:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 12:37:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 12:37:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:37:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_init_port [2022-07-21 12:37:10,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_init_port [2022-07-21 12:37:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 12:37:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 12:37:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure ida_remove [2022-07-21 12:37:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_remove [2022-07-21 12:37:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_restart_port [2022-07-21 12:37:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_restart_port [2022-07-21 12:37:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 12:37:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 12:37:10,889 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-21 12:37:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-21 12:37:10,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 12:37:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 12:37:10,893 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_stopped_hw_queues [2022-07-21 12:37:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_start_stopped_hw_queues [2022-07-21 12:37:10,893 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-07-21 12:37:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-07-21 12:37:10,893 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-21 12:37:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-21 12:37:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_free_coherent [2022-07-21 12:37:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_free_coherent [2022-07-21 12:37:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_remove [2022-07-21 12:37:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_remove [2022-07-21 12:37:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_issue_ncq_command [2022-07-21 12:37:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_issue_ncq_command [2022-07-21 12:37:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2022-07-21 12:37:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2022-07-21 12:37:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 12:37:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 12:37:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_identify [2022-07-21 12:37:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_identify [2022-07-21 12:37:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:37:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:37:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-21 12:37:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-21 12:37:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 12:37:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 12:37:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 12:37:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 12:37:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:37:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:37:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_set_timeout [2022-07-21 12:37:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_set_timeout [2022-07-21 12:37:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2022-07-21 12:37:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2022-07-21 12:37:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_resume [2022-07-21 12:37:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_resume [2022-07-21 12:37:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:37:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:37:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-21 12:37:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-21 12:37:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-21 12:37:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-21 12:37:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2022-07-21 12:37:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2022-07-21 12:37:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_shutdown [2022-07-21 12:37:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_shutdown [2022-07-21 12:37:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-21 12:37:10,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-21 12:37:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-07-21 12:37:10,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-07-21 12:37:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_device_reset [2022-07-21 12:37:10,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_device_reset [2022-07-21 12:37:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_engine [2022-07-21 12:37:10,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_engine [2022-07-21 12:37:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_7 [2022-07-21 12:37:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_7 [2022-07-21 12:37:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_enable_device [2022-07-21 12:37:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_enable_device [2022-07-21 12:37:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 12:37:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 12:37:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_check_surprise_removal [2022-07-21 12:37:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_check_surprise_removal [2022-07-21 12:37:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2022-07-21 12:37:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2022-07-21 12:37:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 12:37:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 12:37:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_end_request [2022-07-21 12:37:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_end_request [2022-07-21 12:37:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-07-21 12:37:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-07-21 12:37:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 12:37:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 12:37:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2022-07-21 12:37:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2022-07-21 12:37:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-21 12:37:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-21 12:37:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 12:37:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 12:37:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 12:37:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 12:37:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_dma_free [2022-07-21 12:37:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_dma_free [2022-07-21 12:37:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_initialize [2022-07-21 12:37:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_initialize [2022-07-21 12:37:11,944 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:37:11,947 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:37:13,295 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:38:47,700 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:38:47,720 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:38:47,721 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 12:38:47,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:38:47 BoogieIcfgContainer [2022-07-21 12:38:47,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:38:47,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:38:47,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:38:47,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:38:47,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:37:05" (1/3) ... [2022-07-21 12:38:47,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302f5e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:38:47, skipping insertion in model container [2022-07-21 12:38:47,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:37:09" (2/3) ... [2022-07-21 12:38:47,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302f5e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:38:47, skipping insertion in model container [2022-07-21 12:38:47,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:38:47" (3/3) ... [2022-07-21 12:38:47,734 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--block--mtip32xx--mtip32xx.ko-entry_point.cil.out.i [2022-07-21 12:38:47,747 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:38:47,747 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:38:47,835 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:38:47,840 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@5eafb8d1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@47175401 [2022-07-21 12:38:47,840 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:38:47,852 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) [2022-07-21 12:38:47,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2022-07-21 12:38:47,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:38:47,888 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] [2022-07-21 12:38:47,889 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:38:47,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:38:47,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1077886916, now seen corresponding path program 1 times [2022-07-21 12:38:47,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:38:47,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978445767] [2022-07-21 12:38:47,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:38:47,914 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:38:47,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:38:47,921 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:38:47,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 12:38:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:50,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 3577 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 12:38:50,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:38:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 3684 trivial. 0 not checked. [2022-07-21 12:38:50,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:38:50,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:38:50,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978445767] [2022-07-21 12:38:50,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978445767] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:38:50,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:38:50,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:38:50,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877692645] [2022-07-21 12:38:50,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:38:50,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 12:38:50,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:38:50,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 12:38:50,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:38:50,722 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) [2022-07-21 12:38:50,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:38:50,946 INFO L93 Difference]: Finished difference Result 5856 states and 8598 transitions. [2022-07-21 12:38:50,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 12:38:50,948 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 [2022-07-21 12:38:50,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:38:51,002 INFO L225 Difference]: With dead ends: 5856 [2022-07-21 12:38:51,002 INFO L226 Difference]: Without dead ends: 2891 [2022-07-21 12:38:51,035 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 [2022-07-21 12:38:51,038 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 [2022-07-21 12:38:51,038 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] [2022-07-21 12:38:51,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2891 states. [2022-07-21 12:38:51,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2891 to 2891. [2022-07-21 12:38:51,221 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) [2022-07-21 12:38:51,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2891 states and 4152 transitions. [2022-07-21 12:38:51,247 INFO L78 Accepts]: Start accepts. Automaton has 2891 states and 4152 transitions. Word has length 527 [2022-07-21 12:38:51,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:38:51,250 INFO L495 AbstractCegarLoop]: Abstraction has 2891 states and 4152 transitions. [2022-07-21 12:38:51,250 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) [2022-07-21 12:38:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 4152 transitions. [2022-07-21 12:38:51,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2022-07-21 12:38:51,266 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:38:51,266 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] [2022-07-21 12:38:51,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 12:38:51,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:38:51,480 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:38:51,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:38:51,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1498016676, now seen corresponding path program 1 times [2022-07-21 12:38:51,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:38:51,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866309496] [2022-07-21 12:38:51,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:38:51,484 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:38:51,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:38:51,486 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:38:51,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 12:38:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:55,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 3577 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 12:38:55,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:38:55,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3759 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 3570 trivial. 0 not checked. [2022-07-21 12:38:55,547 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:38:55,547 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:38:55,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866309496] [2022-07-21 12:38:55,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1866309496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:38:55,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:38:55,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:38:55,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172026433] [2022-07-21 12:38:55,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:38:55,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:38:55,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:38:55,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:38:55,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:38:55,553 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) [2022-07-21 12:38:58,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:38:58,285 INFO L93 Difference]: Finished difference Result 5752 states and 8320 transitions. [2022-07-21 12:38:58,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:38:58,286 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 [2022-07-21 12:38:58,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:38:58,311 INFO L225 Difference]: With dead ends: 5752 [2022-07-21 12:38:58,311 INFO L226 Difference]: Without dead ends: 2894 [2022-07-21 12:38:58,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:38:58,332 INFO L413 NwaCegarLoop]: 4125 mSDtfsCounter, 6 mSDsluCounter, 16424 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 12:38:58,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 20549 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 12:38:58,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2894 states. [2022-07-21 12:38:58,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2894 to 2894. [2022-07-21 12:38:58,423 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) [2022-07-21 12:38:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2894 states and 4157 transitions. [2022-07-21 12:38:58,444 INFO L78 Accepts]: Start accepts. Automaton has 2894 states and 4157 transitions. Word has length 527 [2022-07-21 12:38:58,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:38:58,446 INFO L495 AbstractCegarLoop]: Abstraction has 2894 states and 4157 transitions. [2022-07-21 12:38:58,446 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) [2022-07-21 12:38:58,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 4157 transitions. [2022-07-21 12:38:58,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2022-07-21 12:38:58,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:38:58,458 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] [2022-07-21 12:38:58,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-21 12:38:58,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:38:58,672 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:38:58,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:38:58,672 INFO L85 PathProgramCache]: Analyzing trace with hash 963764390, now seen corresponding path program 1 times [2022-07-21 12:38:58,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:38:58,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74631240] [2022-07-21 12:38:58,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:38:58,678 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:38:58,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:38:58,680 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:38:58,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 12:39:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:02,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 3819 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 12:39:02,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:39:02,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4474 backedges. 252 proven. 1 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2022-07-21 12:39:02,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:39:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4474 backedges. 0 proven. 211 refuted. 0 times theorem prover too weak. 4263 trivial. 0 not checked. [2022-07-21 12:39:04,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:39:04,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74631240] [2022-07-21 12:39:04,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74631240] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:39:04,960 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:39:04,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-21 12:39:04,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755067039] [2022-07-21 12:39:04,960 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:39:04,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 12:39:04,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:39:04,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 12:39:04,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:39:04,963 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) [2022-07-21 12:39:09,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:39:09,923 INFO L93 Difference]: Finished difference Result 5763 states and 8336 transitions. [2022-07-21 12:39:09,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 12:39:09,924 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 [2022-07-21 12:39:09,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:39:09,945 INFO L225 Difference]: With dead ends: 5763 [2022-07-21 12:39:09,945 INFO L226 Difference]: Without dead ends: 2902 [2022-07-21 12:39:09,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1100 GetRequests, 1087 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-21 12:39:09,961 INFO L413 NwaCegarLoop]: 4127 mSDtfsCounter, 14 mSDsluCounter, 28731 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.3s IncrementalHoareTripleChecker+Time [2022-07-21 12:39:09,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 32858 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-21 12:39:09,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2022-07-21 12:39:10,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2900. [2022-07-21 12:39:10,050 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) [2022-07-21 12:39:10,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 4164 transitions. [2022-07-21 12:39:10,066 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 4164 transitions. Word has length 549 [2022-07-21 12:39:10,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:39:10,068 INFO L495 AbstractCegarLoop]: Abstraction has 2900 states and 4164 transitions. [2022-07-21 12:39:10,068 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) [2022-07-21 12:39:10,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 4164 transitions. [2022-07-21 12:39:10,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-07-21 12:39:10,080 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:39:10,080 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] [2022-07-21 12:39:10,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-21 12:39:10,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:39:10,300 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:39:10,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:39:10,300 INFO L85 PathProgramCache]: Analyzing trace with hash 507306532, now seen corresponding path program 2 times [2022-07-21 12:39:10,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:39:10,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669985554] [2022-07-21 12:39:10,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:39:10,303 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:39:10,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:39:10,305 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:39:10,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 12:39:12,127 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:39:12,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:39:12,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 2074 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:39:12,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:39:12,550 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-21 12:39:12,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:39:12,550 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:39:12,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669985554] [2022-07-21 12:39:12,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669985554] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:39:12,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:39:12,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 12:39:12,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540400114] [2022-07-21 12:39:12,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:39:12,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:39:12,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:39:12,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:39:12,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:39:12,553 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) [2022-07-21 12:39:13,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:39:13,121 INFO L93 Difference]: Finished difference Result 8451 states and 12136 transitions. [2022-07-21 12:39:13,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:39:13,122 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 [2022-07-21 12:39:13,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:39:13,161 INFO L225 Difference]: With dead ends: 8451 [2022-07-21 12:39:13,162 INFO L226 Difference]: Without dead ends: 5648 [2022-07-21 12:39:13,176 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 [2022-07-21 12:39:13,178 INFO L413 NwaCegarLoop]: 4822 mSDtfsCounter, 4050 mSDsluCounter, 4007 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-07-21 12:39:13,179 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] [2022-07-21 12:39:13,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5648 states. [2022-07-21 12:39:13,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5648 to 5643. [2022-07-21 12:39:13,370 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) [2022-07-21 12:39:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5643 states to 5643 states and 8102 transitions. [2022-07-21 12:39:13,400 INFO L78 Accepts]: Start accepts. Automaton has 5643 states and 8102 transitions. Word has length 571 [2022-07-21 12:39:13,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:39:13,401 INFO L495 AbstractCegarLoop]: Abstraction has 5643 states and 8102 transitions. [2022-07-21 12:39:13,402 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) [2022-07-21 12:39:13,402 INFO L276 IsEmpty]: Start isEmpty. Operand 5643 states and 8102 transitions. [2022-07-21 12:39:13,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2022-07-21 12:39:13,407 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:39:13,408 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] [2022-07-21 12:39:13,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 12:39:13,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:39:13,624 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:39:13,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:39:13,624 INFO L85 PathProgramCache]: Analyzing trace with hash 352628477, now seen corresponding path program 1 times [2022-07-21 12:39:13,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:39:13,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112375779] [2022-07-21 12:39:13,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:39:13,628 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:39:13,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:39:13,629 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:39:13,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 12:39:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:17,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 4069 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 12:39:17,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:39:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 357 proven. 3 refuted. 0 times theorem prover too weak. 5313 trivial. 0 not checked. [2022-07-21 12:39:18,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:39:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 5355 trivial. 0 not checked. [2022-07-21 12:39:20,789 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:39:20,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112375779] [2022-07-21 12:39:20,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112375779] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:39:20,790 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:39:20,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-21 12:39:20,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669683323] [2022-07-21 12:39:20,790 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:39:20,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 12:39:20,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:39:20,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 12:39:20,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:39:20,793 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) [2022-07-21 12:39:26,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:39:26,276 INFO L93 Difference]: Finished difference Result 11266 states and 16273 transitions. [2022-07-21 12:39:26,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 12:39:26,277 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 [2022-07-21 12:39:26,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:39:26,320 INFO L225 Difference]: With dead ends: 11266 [2022-07-21 12:39:26,320 INFO L226 Difference]: Without dead ends: 5653 [2022-07-21 12:39:26,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1153 GetRequests, 1137 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-21 12:39:26,351 INFO L413 NwaCegarLoop]: 4128 mSDtfsCounter, 22 mSDsluCounter, 28759 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 4.6s IncrementalHoareTripleChecker+Time [2022-07-21 12:39:26,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 32887 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-21 12:39:26,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5653 states. [2022-07-21 12:39:26,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5653 to 5645. [2022-07-21 12:39:26,560 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) [2022-07-21 12:39:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5645 states to 5645 states and 8106 transitions. [2022-07-21 12:39:26,590 INFO L78 Accepts]: Start accepts. Automaton has 5645 states and 8106 transitions. Word has length 575 [2022-07-21 12:39:26,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:39:26,591 INFO L495 AbstractCegarLoop]: Abstraction has 5645 states and 8106 transitions. [2022-07-21 12:39:26,591 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) [2022-07-21 12:39:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 5645 states and 8106 transitions. [2022-07-21 12:39:26,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-07-21 12:39:26,597 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:39:26,597 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] [2022-07-21 12:39:26,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 12:39:26,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:39:26,816 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:39:26,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:39:26,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1328670079, now seen corresponding path program 2 times [2022-07-21 12:39:26,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:39:26,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815474182] [2022-07-21 12:39:26,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:39:26,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:39:26,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:39:26,820 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:39:26,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 12:39:28,852 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:39:28,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:39:28,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:39:28,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:39:29,260 INFO L134 CoverageAnalysis]: Checked inductivity of 7356 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7356 trivial. 0 not checked. [2022-07-21 12:39:29,260 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:39:29,260 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:39:29,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815474182] [2022-07-21 12:39:29,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815474182] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:39:29,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:39:29,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 12:39:29,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388111967] [2022-07-21 12:39:29,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:39:29,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:39:29,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:39:29,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:39:29,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:39:29,263 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) [2022-07-21 12:39:29,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:39:29,826 INFO L93 Difference]: Finished difference Result 16661 states and 23921 transitions. [2022-07-21 12:39:29,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:39:29,827 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 [2022-07-21 12:39:29,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:39:29,886 INFO L225 Difference]: With dead ends: 16661 [2022-07-21 12:39:29,886 INFO L226 Difference]: Without dead ends: 11113 [2022-07-21 12:39:29,906 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 [2022-07-21 12:39:29,907 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 [2022-07-21 12:39:29,908 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] [2022-07-21 12:39:29,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11113 states. [2022-07-21 12:39:30,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11113 to 11106. [2022-07-21 12:39:30,220 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) [2022-07-21 12:39:30,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11106 states to 11106 states and 15942 transitions. [2022-07-21 12:39:30,269 INFO L78 Accepts]: Start accepts. Automaton has 11106 states and 15942 transitions. Word has length 597 [2022-07-21 12:39:30,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:39:30,271 INFO L495 AbstractCegarLoop]: Abstraction has 11106 states and 15942 transitions. [2022-07-21 12:39:30,271 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) [2022-07-21 12:39:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 11106 states and 15942 transitions. [2022-07-21 12:39:30,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-07-21 12:39:30,276 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:39:30,276 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] [2022-07-21 12:39:30,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 12:39:30,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:39:30,492 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:39:30,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:39:30,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1858692919, now seen corresponding path program 1 times [2022-07-21 12:39:30,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:39:30,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304747663] [2022-07-21 12:39:30,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:39:30,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:39:30,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:39:30,495 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:39:30,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 12:39:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:34,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 4314 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 12:39:34,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:39:35,709 INFO L134 CoverageAnalysis]: Checked inductivity of 7356 backedges. 504 proven. 6 refuted. 0 times theorem prover too weak. 6846 trivial. 0 not checked. [2022-07-21 12:39:35,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:39:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 7356 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 6888 trivial. 0 not checked. [2022-07-21 12:39:39,024 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:39:39,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304747663] [2022-07-21 12:39:39,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304747663] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:39:39,024 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:39:39,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-21 12:39:39,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043822103] [2022-07-21 12:39:39,025 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:39:39,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 12:39:39,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:39:39,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 12:39:39,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-21 12:39:39,026 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) [2022-07-21 12:39:45,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:39:45,196 INFO L93 Difference]: Finished difference Result 22210 states and 32059 transitions. [2022-07-21 12:39:45,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 12:39:45,197 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 [2022-07-21 12:39:45,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:39:45,251 INFO L225 Difference]: With dead ends: 22210 [2022-07-21 12:39:45,252 INFO L226 Difference]: Without dead ends: 11134 [2022-07-21 12:39:45,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1202 GetRequests, 1183 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-21 12:39:45,283 INFO L413 NwaCegarLoop]: 4129 mSDtfsCounter, 25 mSDsluCounter, 32867 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s 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, 5.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:39:45,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 36996 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-21 12:39:45,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11134 states. [2022-07-21 12:39:45,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11134 to 11110. [2022-07-21 12:39:45,586 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) [2022-07-21 12:39:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11110 states to 11110 states and 15950 transitions. [2022-07-21 12:39:45,634 INFO L78 Accepts]: Start accepts. Automaton has 11110 states and 15950 transitions. Word has length 599 [2022-07-21 12:39:45,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:39:45,635 INFO L495 AbstractCegarLoop]: Abstraction has 11110 states and 15950 transitions. [2022-07-21 12:39:45,636 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) [2022-07-21 12:39:45,636 INFO L276 IsEmpty]: Start isEmpty. Operand 11110 states and 15950 transitions. [2022-07-21 12:39:45,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-07-21 12:39:45,644 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:39:45,644 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] [2022-07-21 12:39:45,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 12:39:45,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:39:45,845 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:39:45,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:39:45,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1272303691, now seen corresponding path program 2 times [2022-07-21 12:39:45,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:39:45,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134032329] [2022-07-21 12:39:45,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:39:45,849 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:39:45,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:39:45,851 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:39:45,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 12:39:47,780 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:39:47,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:39:47,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:39:47,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:39:48,225 INFO L134 CoverageAnalysis]: Checked inductivity of 9523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9523 trivial. 0 not checked. [2022-07-21 12:39:48,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:39:48,226 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:39:48,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134032329] [2022-07-21 12:39:48,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [134032329] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:39:48,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:39:48,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 12:39:48,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32855891] [2022-07-21 12:39:48,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:39:48,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:39:48,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:39:48,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:39:48,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:39:48,228 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) [2022-07-21 12:39:48,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:39:48,842 INFO L93 Difference]: Finished difference Result 32748 states and 46985 transitions. [2022-07-21 12:39:48,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:39:48,843 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 [2022-07-21 12:39:48,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:39:49,059 INFO L225 Difference]: With dead ends: 32748 [2022-07-21 12:39:49,059 INFO L226 Difference]: Without dead ends: 21735 [2022-07-21 12:39:49,094 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 [2022-07-21 12:39:49,095 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 [2022-07-21 12:39:49,095 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] [2022-07-21 12:39:49,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21735 states. [2022-07-21 12:39:49,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21735 to 21732. [2022-07-21 12:39:49,651 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) [2022-07-21 12:39:49,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21732 states to 21732 states and 31164 transitions. [2022-07-21 12:39:49,751 INFO L78 Accepts]: Start accepts. Automaton has 21732 states and 31164 transitions. Word has length 621 [2022-07-21 12:39:49,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:39:49,752 INFO L495 AbstractCegarLoop]: Abstraction has 21732 states and 31164 transitions. [2022-07-21 12:39:49,753 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) [2022-07-21 12:39:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 21732 states and 31164 transitions. [2022-07-21 12:39:49,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2022-07-21 12:39:49,762 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:39:49,762 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] [2022-07-21 12:39:49,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 12:39:49,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:39:49,976 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:39:49,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:39:49,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1544902890, now seen corresponding path program 1 times [2022-07-21 12:39:49,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:39:49,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977265709] [2022-07-21 12:39:49,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:39:49,980 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:39:49,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:39:49,981 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:39:49,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 12:39:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:54,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 4905 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 12:39:54,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:39:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 9526 backedges. 1351 proven. 10 refuted. 0 times theorem prover too weak. 8165 trivial. 0 not checked. [2022-07-21 12:39:55,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:39:59,824 INFO L134 CoverageAnalysis]: Checked inductivity of 9526 backedges. 31 proven. 630 refuted. 0 times theorem prover too weak. 8865 trivial. 0 not checked. [2022-07-21 12:39:59,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:39:59,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977265709] [2022-07-21 12:39:59,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977265709] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:39:59,825 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:39:59,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-21 12:39:59,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794823099] [2022-07-21 12:39:59,826 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:39:59,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-21 12:39:59,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:39:59,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-21 12:39:59,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-21 12:39:59,828 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) [2022-07-21 12:40:07,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:40:07,299 INFO L93 Difference]: Finished difference Result 43509 states and 62728 transitions. [2022-07-21 12:40:07,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 12:40:07,300 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 [2022-07-21 12:40:07,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:40:07,447 INFO L225 Difference]: With dead ends: 43509 [2022-07-21 12:40:07,448 INFO L226 Difference]: Without dead ends: 21810 [2022-07-21 12:40:07,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1294 GetRequests, 1273 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-21 12:40:07,548 INFO L413 NwaCegarLoop]: 4129 mSDtfsCounter, 64 mSDsluCounter, 32853 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 36982 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:40:07,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 36982 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-21 12:40:07,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21810 states. [2022-07-21 12:40:08,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21810 to 21748. [2022-07-21 12:40:08,372 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) [2022-07-21 12:40:08,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21748 states to 21748 states and 31193 transitions. [2022-07-21 12:40:08,492 INFO L78 Accepts]: Start accepts. Automaton has 21748 states and 31193 transitions. Word has length 645 [2022-07-21 12:40:08,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:40:08,493 INFO L495 AbstractCegarLoop]: Abstraction has 21748 states and 31193 transitions. [2022-07-21 12:40:08,494 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) [2022-07-21 12:40:08,494 INFO L276 IsEmpty]: Start isEmpty. Operand 21748 states and 31193 transitions. [2022-07-21 12:40:08,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2022-07-21 12:40:08,501 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:40:08,502 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] [2022-07-21 12:40:08,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 12:40:08,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:40:08,716 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:40:08,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:40:08,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1387607110, now seen corresponding path program 2 times [2022-07-21 12:40:08,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:40:08,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442671193] [2022-07-21 12:40:08,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:40:08,719 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:40:08,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:40:08,720 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:40:08,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 12:40:10,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:40:10,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:40:10,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:40:10,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:40:22,855 INFO L134 CoverageAnalysis]: Checked inductivity of 10434 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10434 trivial. 0 not checked. [2022-07-21 12:40:22,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:40:22,855 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:40:22,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442671193] [2022-07-21 12:40:22,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442671193] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:40:22,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:40:22,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:40:22,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586799461] [2022-07-21 12:40:22,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:40:22,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:40:22,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:40:22,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:40:22,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:40:22,858 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) [2022-07-21 12:40:23,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:40:23,188 INFO L93 Difference]: Finished difference Result 21864 states and 31301 transitions. [2022-07-21 12:40:23,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:40:23,188 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 [2022-07-21 12:40:23,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:40:23,191 INFO L225 Difference]: With dead ends: 21864 [2022-07-21 12:40:23,191 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 12:40:23,239 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 [2022-07-21 12:40:23,240 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 [2022-07-21 12:40:23,240 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] [2022-07-21 12:40:23,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 12:40:23,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 12:40:23,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 12:40:23,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 12:40:23,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 653 [2022-07-21 12:40:23,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:40:23,244 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 12:40:23,244 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) [2022-07-21 12:40:23,244 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 12:40:23,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 12:40:23,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 12:40:23,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 12:40:23,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:40:23,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.