./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.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 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:49:21,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:49:21,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:49:21,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:49:21,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:49:21,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:49:21,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:49:21,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:49:21,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:49:21,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:49:21,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:49:21,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:49:21,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:49:21,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:49:21,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:49:21,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:49:21,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:49:21,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:49:21,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:49:21,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:49:21,670 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:49:21,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:49:21,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:49:21,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:49:21,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:49:21,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:49:21,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:49:21,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:49:21,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:49:21,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:49:21,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:49:21,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:49:21,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:49:21,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:49:21,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:49:21,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:49:21,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:49:21,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:49:21,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:49:21,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:49:21,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:49:21,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:49:21,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:49:21,702 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:49:21,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:49:21,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:49:21,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:49:21,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:49:21,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:49:21,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:49:21,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:49:21,704 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:49:21,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:49:21,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:49:21,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:49:21,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:49:21,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:49:21,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:49:21,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:49:21,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:49:21,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:49:21,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:49:21,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:49:21,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:49:21,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:49:21,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:49:21,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:49:21,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:49:21,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:49:21,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:49:21,709 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:49:21,709 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:49:21,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:49:21,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 [2022-07-14 00:49:21,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:49:21,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:49:21,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:49:21,922 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:49:21,923 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:49:21,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-14 00:49:21,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ffc08fe2/4fd9fdd7807c4e13a23c1a3e7a80b392/FLAG60c8086b7 [2022-07-14 00:49:22,569 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:49:22,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-14 00:49:22,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ffc08fe2/4fd9fdd7807c4e13a23c1a3e7a80b392/FLAG60c8086b7 [2022-07-14 00:49:22,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ffc08fe2/4fd9fdd7807c4e13a23c1a3e7a80b392 [2022-07-14 00:49:22,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:49:22,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:49:22,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:49:22,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:49:22,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:49:22,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:49:22" (1/1) ... [2022-07-14 00:49:22,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8d043e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:22, skipping insertion in model container [2022-07-14 00:49:22,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:49:22" (1/1) ... [2022-07-14 00:49:22,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:49:22,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:49:24,495 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-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2022-07-14 00:49:24,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:49:24,561 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:49:24,761 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: base_addr = base_addr & 65534UL [5933] 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) [2022-07-14 00:49:24,768 INFO L158 Benchmark]: Toolchain (without parser) took 2004.89ms. Allocated memory was 90.2MB in the beginning and 188.7MB in the end (delta: 98.6MB). Free memory was 64.7MB in the beginning and 126.9MB in the end (delta: -62.1MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2022-07-14 00:49:24,769 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory was 59.3MB in the beginning and 59.3MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:49:24,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2003.56ms. Allocated memory was 90.2MB in the beginning and 188.7MB in the end (delta: 98.6MB). Free memory was 64.7MB in the beginning and 126.9MB in the end (delta: -62.1MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2022-07-14 00:49:24,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory was 59.3MB in the beginning and 59.3MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2003.56ms. Allocated memory was 90.2MB in the beginning and 188.7MB in the end (delta: 98.6MB). Free memory was 64.7MB in the beginning and 126.9MB in the end (delta: -62.1MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: base_addr = base_addr & 65534UL [5933] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: base_addr = base_addr & 65534UL [5933]: 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-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.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 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:49:26,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:49:26,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:49:26,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:49:26,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:49:26,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:49:26,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:49:26,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:49:26,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:49:26,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:49:26,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:49:26,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:49:26,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:49:26,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:49:26,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:49:26,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:49:26,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:49:26,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:49:26,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:49:26,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:49:26,345 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:49:26,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:49:26,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:49:26,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:49:26,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:49:26,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:49:26,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:49:26,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:49:26,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:49:26,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:49:26,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:49:26,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:49:26,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:49:26,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:49:26,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:49:26,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:49:26,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:49:26,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:49:26,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:49:26,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:49:26,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:49:26,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:49:26,366 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 00:49:26,391 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:49:26,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:49:26,392 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:49:26,392 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:49:26,392 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:49:26,392 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:49:26,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:49:26,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:49:26,393 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:49:26,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:49:26,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:49:26,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:49:26,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:49:26,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:49:26,395 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 00:49:26,395 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 00:49:26,395 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 00:49:26,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:49:26,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:49:26,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:49:26,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:49:26,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:49:26,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:49:26,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:49:26,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:49:26,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:49:26,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:49:26,397 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 00:49:26,397 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 00:49:26,397 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:49:26,397 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:49:26,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:49:26,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 00:49:26,398 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 [2022-07-14 00:49:26,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:49:26,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:49:26,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:49:26,675 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:49:26,679 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:49:26,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-14 00:49:26,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de86f1983/08b14ea2195746258a9c2ff4ad19467a/FLAG15e07342f [2022-07-14 00:49:27,391 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:49:27,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-14 00:49:27,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de86f1983/08b14ea2195746258a9c2ff4ad19467a/FLAG15e07342f [2022-07-14 00:49:27,506 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de86f1983/08b14ea2195746258a9c2ff4ad19467a [2022-07-14 00:49:27,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:49:27,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:49:27,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:49:27,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:49:27,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:49:27,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:49:27" (1/1) ... [2022-07-14 00:49:27,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d82983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:27, skipping insertion in model container [2022-07-14 00:49:27,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:49:27" (1/1) ... [2022-07-14 00:49:27,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:49:27,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:49:28,938 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-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2022-07-14 00:49:28,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:49:28,996 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 00:49:29,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:49:29,278 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-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2022-07-14 00:49:29,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:49:29,299 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:49:29,568 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-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2022-07-14 00:49:29,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:49:29,663 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:49:29,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:29 WrapperNode [2022-07-14 00:49:29,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:49:29,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:49:29,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:49:29,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:49:29,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:29" (1/1) ... [2022-07-14 00:49:29,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:29" (1/1) ... [2022-07-14 00:49:29,885 INFO L137 Inliner]: procedures = 366, calls = 3277, calls flagged for inlining = 158, calls inlined = 158, statements flattened = 7004 [2022-07-14 00:49:29,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:49:29,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:49:29,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:49:29,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:49:29,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:29" (1/1) ... [2022-07-14 00:49:29,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:29" (1/1) ... [2022-07-14 00:49:29,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:29" (1/1) ... [2022-07-14 00:49:29,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:29" (1/1) ... [2022-07-14 00:49:30,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:29" (1/1) ... [2022-07-14 00:49:30,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:29" (1/1) ... [2022-07-14 00:49:30,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:29" (1/1) ... [2022-07-14 00:49:30,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:49:30,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:49:30,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:49:30,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:49:30,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:29" (1/1) ... [2022-07-14 00:49:30,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:49:30,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:49:30,223 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) [2022-07-14 00:49:30,239 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 [2022-07-14 00:49:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2022-07-14 00:49:30,251 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2022-07-14 00:49:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 00:49:30,251 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 00:49:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-14 00:49:30,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-14 00:49:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-07-14 00:49:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-07-14 00:49:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2022-07-14 00:49:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2022-07-14 00:49:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 00:49:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_8 [2022-07-14 00:49:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_8 [2022-07-14 00:49:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 00:49:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-07-14 00:49:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-07-14 00:49:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 00:49:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:49:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-07-14 00:49:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-07-14 00:49:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:49:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-14 00:49:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-14 00:49:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2022-07-14 00:49:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2022-07-14 00:49:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:49:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:49:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 00:49:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 00:49:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2022-07-14 00:49:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2022-07-14 00:49:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2022-07-14 00:49:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2022-07-14 00:49:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 00:49:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 00:49:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2022-07-14 00:49:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2022-07-14 00:49:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:49:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:49:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2022-07-14 00:49:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2022-07-14 00:49:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2022-07-14 00:49:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2022-07-14 00:49:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2022-07-14 00:49:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2022-07-14 00:49:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2022-07-14 00:49:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2022-07-14 00:49:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2022-07-14 00:49:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2022-07-14 00:49:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2022-07-14 00:49:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2022-07-14 00:49:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2022-07-14 00:49:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2022-07-14 00:49:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2022-07-14 00:49:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2022-07-14 00:49:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2022-07-14 00:49:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2022-07-14 00:49:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2022-07-14 00:49:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2022-07-14 00:49:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:49:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:49:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2022-07-14 00:49:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2022-07-14 00:49:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-07-14 00:49:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-07-14 00:49:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 00:49:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 00:49:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:49:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:49:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-14 00:49:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-14 00:49:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2022-07-14 00:49:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2022-07-14 00:49:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2022-07-14 00:49:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2022-07-14 00:49:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:49:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:49:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2022-07-14 00:49:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2022-07-14 00:49:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2022-07-14 00:49:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2022-07-14 00:49:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2022-07-14 00:49:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2022-07-14 00:49:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2022-07-14 00:49:30,263 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2022-07-14 00:49:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2022-07-14 00:49:30,263 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2022-07-14 00:49:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2022-07-14 00:49:30,263 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2022-07-14 00:49:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2022-07-14 00:49:30,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2022-07-14 00:49:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2022-07-14 00:49:30,264 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2022-07-14 00:49:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-07-14 00:49:30,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-07-14 00:49:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:49:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 00:49:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 00:49:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2022-07-14 00:49:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2022-07-14 00:49:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:49:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2022-07-14 00:49:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2022-07-14 00:49:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2022-07-14 00:49:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2022-07-14 00:49:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 00:49:30,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 00:49:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-07-14 00:49:30,266 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-07-14 00:49:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:49:30,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:49:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-07-14 00:49:30,268 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-07-14 00:49:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 00:49:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 00:49:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-14 00:49:30,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-14 00:49:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-14 00:49:30,271 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-14 00:49:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:49:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 00:49:30,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:49:30,275 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-07-14 00:49:30,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-07-14 00:49:30,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 00:49:30,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 00:49:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2022-07-14 00:49:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2022-07-14 00:49:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2022-07-14 00:49:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2022-07-14 00:49:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 00:49:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-14 00:49:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 00:49:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 00:49:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2022-07-14 00:49:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2022-07-14 00:49:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:49:30,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:49:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2022-07-14 00:49:30,277 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2022-07-14 00:49:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-07-14 00:49:30,277 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-07-14 00:49:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2022-07-14 00:49:30,277 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2022-07-14 00:49:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 00:49:30,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 00:49:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2022-07-14 00:49:30,278 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2022-07-14 00:49:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2022-07-14 00:49:30,278 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2022-07-14 00:49:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2022-07-14 00:49:30,278 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2022-07-14 00:49:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2022-07-14 00:49:30,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2022-07-14 00:49:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2022-07-14 00:49:30,278 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2022-07-14 00:49:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2022-07-14 00:49:30,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2022-07-14 00:49:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-14 00:49:30,279 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-14 00:49:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-14 00:49:30,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-14 00:49:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-07-14 00:49:30,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-07-14 00:49:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 00:49:30,279 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 00:49:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-07-14 00:49:30,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-07-14 00:49:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-14 00:49:30,280 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-14 00:49:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2022-07-14 00:49:30,280 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2022-07-14 00:49:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2022-07-14 00:49:30,280 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2022-07-14 00:49:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 00:49:30,280 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 00:49:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2022-07-14 00:49:30,280 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2022-07-14 00:49:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2022-07-14 00:49:30,281 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2022-07-14 00:49:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:49:30,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:49:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 00:49:30,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 00:49:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-14 00:49:30,281 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-14 00:49:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-14 00:49:30,281 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-14 00:49:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2022-07-14 00:49:30,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2022-07-14 00:49:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2022-07-14 00:49:30,282 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2022-07-14 00:49:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2022-07-14 00:49:30,282 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2022-07-14 00:49:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2022-07-14 00:49:30,282 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2022-07-14 00:49:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-14 00:49:30,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-14 00:49:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:49:30,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:49:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2022-07-14 00:49:30,283 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2022-07-14 00:49:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2022-07-14 00:49:30,283 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2022-07-14 00:49:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2022-07-14 00:49:30,283 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2022-07-14 00:49:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 00:49:30,283 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 00:49:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2022-07-14 00:49:30,283 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2022-07-14 00:49:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2022-07-14 00:49:30,284 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2022-07-14 00:49:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 00:49:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 00:49:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 00:49:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:49:30,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:49:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 00:49:30,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 00:49:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2022-07-14 00:49:30,284 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2022-07-14 00:49:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2022-07-14 00:49:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2022-07-14 00:49:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2022-07-14 00:49:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2022-07-14 00:49:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-07-14 00:49:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-07-14 00:49:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:49:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2022-07-14 00:49:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2022-07-14 00:49:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2022-07-14 00:49:30,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2022-07-14 00:49:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 00:49:30,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 00:49:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-14 00:49:30,286 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-14 00:49:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-14 00:49:30,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-14 00:49:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:49:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 00:49:30,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 00:49:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2022-07-14 00:49:30,289 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2022-07-14 00:49:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2022-07-14 00:49:30,289 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2022-07-14 00:49:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 00:49:30,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 00:49:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2022-07-14 00:49:30,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2022-07-14 00:49:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:49:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 00:49:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 00:49:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 00:49:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 00:49:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:49:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:49:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 00:49:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-14 00:49:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-14 00:49:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2022-07-14 00:49:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2022-07-14 00:49:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-07-14 00:49:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-07-14 00:49:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_8 [2022-07-14 00:49:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_8 [2022-07-14 00:49:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2022-07-14 00:49:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2022-07-14 00:49:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 00:49:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 00:49:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2022-07-14 00:49:30,293 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2022-07-14 00:49:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2022-07-14 00:49:30,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2022-07-14 00:49:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2022-07-14 00:49:30,293 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2022-07-14 00:49:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2022-07-14 00:49:30,293 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2022-07-14 00:49:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2022-07-14 00:49:30,293 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2022-07-14 00:49:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 00:49:30,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 00:49:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-14 00:49:30,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-14 00:49:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2022-07-14 00:49:30,294 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2022-07-14 00:49:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 00:49:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-14 00:49:30,294 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-14 00:49:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-14 00:49:30,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-14 00:49:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-14 00:49:30,294 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-14 00:49:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2022-07-14 00:49:30,295 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2022-07-14 00:49:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:49:30,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:49:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 00:49:30,295 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 00:49:31,138 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:49:31,147 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:49:37,609 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:50:34,035 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:50:34,050 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:50:34,050 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 00:50:34,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:50:34 BoogieIcfgContainer [2022-07-14 00:50:34,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:50:34,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:50:34,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:50:34,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:50:34,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:49:27" (1/3) ... [2022-07-14 00:50:34,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1a5653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:50:34, skipping insertion in model container [2022-07-14 00:50:34,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:49:29" (2/3) ... [2022-07-14 00:50:34,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1a5653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:50:34, skipping insertion in model container [2022-07-14 00:50:34,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:50:34" (3/3) ... [2022-07-14 00:50:34,059 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-14 00:50:34,069 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:50:34,069 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:50:34,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:50:34,143 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@58e60105, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1c7594c0 [2022-07-14 00:50:34,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:50:34,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 2709 states, 1943 states have (on average 1.4173957797220793) internal successors, (2754), 2026 states have internal predecessors, (2754), 630 states have call successors, (630), 135 states have call predecessors, (630), 134 states have return successors, (615), 582 states have call predecessors, (615), 615 states have call successors, (615) [2022-07-14 00:50:34,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-14 00:50:34,167 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:50:34,168 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:50:34,169 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:50:34,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:50:34,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1858181459, now seen corresponding path program 1 times [2022-07-14 00:50:34,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:50:34,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634349397] [2022-07-14 00:50:34,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:50:34,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:50:34,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:50:34,190 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) [2022-07-14 00:50:34,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 00:50:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:50:36,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 2692 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-14 00:50:36,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:50:36,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 588 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2022-07-14 00:50:36,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:50:36,734 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:50:36,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1634349397] [2022-07-14 00:50:36,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1634349397] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:50:36,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:50:36,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 00:50:36,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612405994] [2022-07-14 00:50:36,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:50:36,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 00:50:36,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:50:36,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 00:50:36,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 00:50:36,780 INFO L87 Difference]: Start difference. First operand has 2709 states, 1943 states have (on average 1.4173957797220793) internal successors, (2754), 2026 states have internal predecessors, (2754), 630 states have call successors, (630), 135 states have call predecessors, (630), 134 states have return successors, (615), 582 states have call predecessors, (615), 615 states have call successors, (615) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-14 00:50:36,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:50:36,930 INFO L93 Difference]: Finished difference Result 5414 states and 8185 transitions. [2022-07-14 00:50:36,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 00:50:36,932 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 285 [2022-07-14 00:50:36,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:50:36,956 INFO L225 Difference]: With dead ends: 5414 [2022-07-14 00:50:36,957 INFO L226 Difference]: Without dead ends: 2684 [2022-07-14 00:50:36,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 00:50:36,977 INFO L413 NwaCegarLoop]: 3995 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, 3995 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 [2022-07-14 00:50:36,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3995 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 00:50:36,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2022-07-14 00:50:37,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2684. [2022-07-14 00:50:37,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2684 states, 1936 states have (on average 1.4080578512396693) internal successors, (2726), 2002 states have internal predecessors, (2726), 613 states have call successors, (613), 134 states have call predecessors, (613), 134 states have return successors, (613), 580 states have call predecessors, (613), 613 states have call successors, (613) [2022-07-14 00:50:37,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 3952 transitions. [2022-07-14 00:50:37,181 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 3952 transitions. Word has length 285 [2022-07-14 00:50:37,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:50:37,183 INFO L495 AbstractCegarLoop]: Abstraction has 2684 states and 3952 transitions. [2022-07-14 00:50:37,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-14 00:50:37,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 3952 transitions. [2022-07-14 00:50:37,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-14 00:50:37,187 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:50:37,187 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:50:37,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:50:37,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:50:37,400 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:50:37,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:50:37,402 INFO L85 PathProgramCache]: Analyzing trace with hash -699617965, now seen corresponding path program 1 times [2022-07-14 00:50:37,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:50:37,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221097778] [2022-07-14 00:50:37,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:50:37,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:50:37,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:50:37,405 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) [2022-07-14 00:50:37,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 00:50:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:50:40,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 2692 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 00:50:40,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:50:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2022-07-14 00:50:40,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:50:40,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:50:40,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221097778] [2022-07-14 00:50:40,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [221097778] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:50:40,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:50:40,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:50:40,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453368549] [2022-07-14 00:50:40,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:50:40,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:50:40,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:50:40,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:50:40,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:50:40,691 INFO L87 Difference]: Start difference. First operand 2684 states and 3952 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-14 00:50:41,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:50:41,463 INFO L93 Difference]: Finished difference Result 5342 states and 7962 transitions. [2022-07-14 00:50:41,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 00:50:41,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 285 [2022-07-14 00:50:41,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:50:41,476 INFO L225 Difference]: With dead ends: 5342 [2022-07-14 00:50:41,476 INFO L226 Difference]: Without dead ends: 2685 [2022-07-14 00:50:41,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:50:41,489 INFO L413 NwaCegarLoop]: 3935 mSDtfsCounter, 6 mSDsluCounter, 15701 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 19636 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 00:50:41,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19636 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 00:50:41,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2022-07-14 00:50:41,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2685. [2022-07-14 00:50:41,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2685 states, 1937 states have (on average 1.4078471863706763) internal successors, (2727), 2003 states have internal predecessors, (2727), 613 states have call successors, (613), 134 states have call predecessors, (613), 134 states have return successors, (613), 580 states have call predecessors, (613), 613 states have call successors, (613) [2022-07-14 00:50:41,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 3953 transitions. [2022-07-14 00:50:41,553 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 3953 transitions. Word has length 285 [2022-07-14 00:50:41,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:50:41,557 INFO L495 AbstractCegarLoop]: Abstraction has 2685 states and 3953 transitions. [2022-07-14 00:50:41,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-14 00:50:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 3953 transitions. [2022-07-14 00:50:41,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-14 00:50:41,561 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:50:41,561 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:50:41,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:50:41,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:50:41,780 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:50:41,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:50:41,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1670807165, now seen corresponding path program 1 times [2022-07-14 00:50:41,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:50:41,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2000651692] [2022-07-14 00:50:41,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:50:41,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:50:41,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:50:41,783 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) [2022-07-14 00:50:41,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:50:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:50:44,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 2747 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 00:50:44,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:50:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 1168 trivial. 0 not checked. [2022-07-14 00:50:45,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:50:45,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2022-07-14 00:50:45,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:50:45,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2000651692] [2022-07-14 00:50:45,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2000651692] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:50:45,949 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:50:45,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 00:50:45,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288446374] [2022-07-14 00:50:45,949 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:50:45,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 00:50:45,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:50:45,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 00:50:45,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 00:50:45,951 INFO L87 Difference]: Start difference. First operand 2685 states and 3953 transitions. Second operand has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-14 00:50:47,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:50:47,194 INFO L93 Difference]: Finished difference Result 5349 states and 7970 transitions. [2022-07-14 00:50:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:50:47,195 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 290 [2022-07-14 00:50:47,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:50:47,215 INFO L225 Difference]: With dead ends: 5349 [2022-07-14 00:50:47,215 INFO L226 Difference]: Without dead ends: 2691 [2022-07-14 00:50:47,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 581 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-14 00:50:47,231 INFO L413 NwaCegarLoop]: 3936 mSDtfsCounter, 8 mSDsluCounter, 23554 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 27490 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:50:47,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 27490 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-14 00:50:47,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2022-07-14 00:50:47,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2691. [2022-07-14 00:50:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2691 states, 1941 states have (on average 1.4070066975785678) internal successors, (2731), 2007 states have internal predecessors, (2731), 614 states have call successors, (614), 135 states have call predecessors, (614), 135 states have return successors, (614), 581 states have call predecessors, (614), 614 states have call successors, (614) [2022-07-14 00:50:47,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2691 states and 3959 transitions. [2022-07-14 00:50:47,299 INFO L78 Accepts]: Start accepts. Automaton has 2691 states and 3959 transitions. Word has length 290 [2022-07-14 00:50:47,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:50:47,300 INFO L495 AbstractCegarLoop]: Abstraction has 2691 states and 3959 transitions. [2022-07-14 00:50:47,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-14 00:50:47,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 3959 transitions. [2022-07-14 00:50:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-07-14 00:50:47,304 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:50:47,305 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 10, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:50:47,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 00:50:47,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:50:47,519 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:50:47,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:50:47,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1856355437, now seen corresponding path program 2 times [2022-07-14 00:50:47,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:50:47,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434783722] [2022-07-14 00:50:47,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:50:47,522 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:50:47,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:50:47,523 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) [2022-07-14 00:50:47,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 00:50:49,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:50:49,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:50:49,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 1961 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:50:49,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:50:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1277 trivial. 0 not checked. [2022-07-14 00:50:49,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:50:49,687 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:50:49,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434783722] [2022-07-14 00:50:49,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434783722] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:50:49,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:50:49,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:50:49,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677125002] [2022-07-14 00:50:49,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:50:49,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:50:49,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:50:49,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:50:49,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:50:49,688 INFO L87 Difference]: Start difference. First operand 2691 states and 3959 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-14 00:50:50,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:50:50,095 INFO L93 Difference]: Finished difference Result 7983 states and 12034 transitions. [2022-07-14 00:50:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:50:50,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 295 [2022-07-14 00:50:50,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:50:50,126 INFO L225 Difference]: With dead ends: 7983 [2022-07-14 00:50:50,127 INFO L226 Difference]: Without dead ends: 5334 [2022-07-14 00:50:50,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:50:50,147 INFO L413 NwaCegarLoop]: 4840 mSDtfsCounter, 3997 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3997 SdHoareTripleChecker+Valid, 8798 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:50:50,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3997 Valid, 8798 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 00:50:50,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5334 states. [2022-07-14 00:50:50,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5334 to 5332. [2022-07-14 00:50:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5332 states, 3854 states have (on average 1.408406850025947) internal successors, (5428), 3984 states have internal predecessors, (5428), 1208 states have call successors, (1208), 270 states have call predecessors, (1208), 269 states have return successors, (1351), 1141 states have call predecessors, (1351), 1208 states have call successors, (1351) [2022-07-14 00:50:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5332 states to 5332 states and 7987 transitions. [2022-07-14 00:50:50,306 INFO L78 Accepts]: Start accepts. Automaton has 5332 states and 7987 transitions. Word has length 295 [2022-07-14 00:50:50,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:50:50,309 INFO L495 AbstractCegarLoop]: Abstraction has 5332 states and 7987 transitions. [2022-07-14 00:50:50,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-14 00:50:50,309 INFO L276 IsEmpty]: Start isEmpty. Operand 5332 states and 7987 transitions. [2022-07-14 00:50:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-07-14 00:50:50,312 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:50:50,312 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 10, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:50:50,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 00:50:50,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:50:50,535 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:50:50,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:50:50,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1832893579, now seen corresponding path program 1 times [2022-07-14 00:50:50,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:50:50,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622348077] [2022-07-14 00:50:50,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:50:50,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:50:50,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:50:50,540 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) [2022-07-14 00:50:50,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 00:50:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:50:53,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 2804 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 00:50:53,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:50:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2022-07-14 00:50:53,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:50:55,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 1214 trivial. 0 not checked. [2022-07-14 00:50:55,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:50:55,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622348077] [2022-07-14 00:50:55,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622348077] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:50:55,147 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:50:55,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-14 00:50:55,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364420596] [2022-07-14 00:50:55,148 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:50:55,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 00:50:55,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:50:55,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 00:50:55,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-14 00:50:55,149 INFO L87 Difference]: Start difference. First operand 5332 states and 7987 transitions. Second operand has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-14 00:50:56,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:50:56,786 INFO L93 Difference]: Finished difference Result 10650 states and 16270 transitions. [2022-07-14 00:50:56,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 00:50:56,787 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 296 [2022-07-14 00:50:56,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:50:56,816 INFO L225 Difference]: With dead ends: 10650 [2022-07-14 00:50:56,817 INFO L226 Difference]: Without dead ends: 5334 [2022-07-14 00:50:56,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-07-14 00:50:56,846 INFO L413 NwaCegarLoop]: 3936 mSDtfsCounter, 9 mSDsluCounter, 31415 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 35351 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:50:56,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 35351 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-14 00:50:56,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5334 states. [2022-07-14 00:50:56,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5334 to 5334. [2022-07-14 00:50:57,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5334 states, 3856 states have (on average 1.408195020746888) internal successors, (5430), 3986 states have internal predecessors, (5430), 1208 states have call successors, (1208), 270 states have call predecessors, (1208), 269 states have return successors, (1351), 1141 states have call predecessors, (1351), 1208 states have call successors, (1351) [2022-07-14 00:50:57,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5334 states to 5334 states and 7989 transitions. [2022-07-14 00:50:57,031 INFO L78 Accepts]: Start accepts. Automaton has 5334 states and 7989 transitions. Word has length 296 [2022-07-14 00:50:57,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:50:57,031 INFO L495 AbstractCegarLoop]: Abstraction has 5334 states and 7989 transitions. [2022-07-14 00:50:57,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-14 00:50:57,032 INFO L276 IsEmpty]: Start isEmpty. Operand 5334 states and 7989 transitions. [2022-07-14 00:50:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-14 00:50:57,035 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:50:57,035 INFO L195 NwaCegarLoop]: trace histogram [15, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:50:57,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 00:50:57,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:50:57,243 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:50:57,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:50:57,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1595086069, now seen corresponding path program 2 times [2022-07-14 00:50:57,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:50:57,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853257361] [2022-07-14 00:50:57,245 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:50:57,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:50:57,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:50:57,247 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) [2022-07-14 00:50:57,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 00:50:59,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:50:59,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:50:59,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1963 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:50:59,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:50:59,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1362 trivial. 0 not checked. [2022-07-14 00:50:59,341 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:50:59,341 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:50:59,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853257361] [2022-07-14 00:50:59,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853257361] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:50:59,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:50:59,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:50:59,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616253669] [2022-07-14 00:50:59,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:50:59,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:50:59,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:50:59,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:50:59,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:50:59,342 INFO L87 Difference]: Start difference. First operand 5334 states and 7989 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-14 00:50:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:50:59,873 INFO L93 Difference]: Finished difference Result 15914 states and 24928 transitions. [2022-07-14 00:50:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:50:59,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 301 [2022-07-14 00:50:59,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:50:59,942 INFO L225 Difference]: With dead ends: 15914 [2022-07-14 00:50:59,942 INFO L226 Difference]: Without dead ends: 10622 [2022-07-14 00:50:59,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:50:59,969 INFO L413 NwaCegarLoop]: 4674 mSDtfsCounter, 4001 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4001 SdHoareTripleChecker+Valid, 8632 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:50:59,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4001 Valid, 8632 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 00:50:59,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10622 states. [2022-07-14 00:51:00,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10622 to 10620. [2022-07-14 00:51:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10620 states, 7686 states have (on average 1.4086651053864168) internal successors, (10827), 7944 states have internal predecessors, (10827), 2395 states have call successors, (2395), 540 states have call predecessors, (2395), 538 states have return successors, (3229), 2263 states have call predecessors, (3229), 2395 states have call successors, (3229) [2022-07-14 00:51:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10620 states to 10620 states and 16451 transitions. [2022-07-14 00:51:00,348 INFO L78 Accepts]: Start accepts. Automaton has 10620 states and 16451 transitions. Word has length 301 [2022-07-14 00:51:00,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:51:00,349 INFO L495 AbstractCegarLoop]: Abstraction has 10620 states and 16451 transitions. [2022-07-14 00:51:00,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-14 00:51:00,349 INFO L276 IsEmpty]: Start isEmpty. Operand 10620 states and 16451 transitions. [2022-07-14 00:51:00,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-14 00:51:00,351 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:51:00,352 INFO L195 NwaCegarLoop]: trace histogram [15, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:51:00,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 00:51:00,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:51:00,567 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:51:00,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:51:00,568 INFO L85 PathProgramCache]: Analyzing trace with hash -2035339211, now seen corresponding path program 1 times [2022-07-14 00:51:00,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:51:00,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311939694] [2022-07-14 00:51:00,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:51:00,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:51:00,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:51:00,571 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) [2022-07-14 00:51:00,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 00:51:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:51:03,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 2861 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 00:51:03,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:51:04,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 96 proven. 6 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-07-14 00:51:04,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:51:05,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 1268 trivial. 0 not checked. [2022-07-14 00:51:05,641 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:51:05,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311939694] [2022-07-14 00:51:05,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311939694] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:51:05,641 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:51:05,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-14 00:51:05,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503731572] [2022-07-14 00:51:05,641 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:51:05,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 00:51:05,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:51:05,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 00:51:05,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-14 00:51:05,643 INFO L87 Difference]: Start difference. First operand 10620 states and 16451 transitions. Second operand has 15 states, 13 states have (on average 6.0) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-14 00:51:07,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:51:07,665 INFO L93 Difference]: Finished difference Result 21244 states and 34060 transitions. [2022-07-14 00:51:07,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 00:51:07,666 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 6.0) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 302 [2022-07-14 00:51:07,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:51:07,746 INFO L225 Difference]: With dead ends: 21244 [2022-07-14 00:51:07,746 INFO L226 Difference]: Without dead ends: 10624 [2022-07-14 00:51:07,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2022-07-14 00:51:07,860 INFO L413 NwaCegarLoop]: 3936 mSDtfsCounter, 12 mSDsluCounter, 35334 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 39270 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:51:07,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 39270 Invalid, 316 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [28 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-14 00:51:07,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10624 states. [2022-07-14 00:51:08,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10624 to 10624. [2022-07-14 00:51:08,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10624 states, 7690 states have (on average 1.4084525357607283) internal successors, (10831), 7948 states have internal predecessors, (10831), 2395 states have call successors, (2395), 540 states have call predecessors, (2395), 538 states have return successors, (3229), 2263 states have call predecessors, (3229), 2395 states have call successors, (3229) [2022-07-14 00:51:08,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10624 states to 10624 states and 16455 transitions. [2022-07-14 00:51:08,396 INFO L78 Accepts]: Start accepts. Automaton has 10624 states and 16455 transitions. Word has length 302 [2022-07-14 00:51:08,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:51:08,397 INFO L495 AbstractCegarLoop]: Abstraction has 10624 states and 16455 transitions. [2022-07-14 00:51:08,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 6.0) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-14 00:51:08,398 INFO L276 IsEmpty]: Start isEmpty. Operand 10624 states and 16455 transitions. [2022-07-14 00:51:08,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-07-14 00:51:08,400 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:51:08,400 INFO L195 NwaCegarLoop]: trace histogram [20, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:51:08,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 00:51:08,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:51:08,615 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:51:08,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:51:08,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1499585355, now seen corresponding path program 2 times [2022-07-14 00:51:08,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:51:08,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365498682] [2022-07-14 00:51:08,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:51:08,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:51:08,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:51:08,619 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) [2022-07-14 00:51:08,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 00:51:10,699 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:51:10,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:51:10,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 1965 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:51:10,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:51:10,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1472 trivial. 0 not checked. [2022-07-14 00:51:10,888 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:51:10,888 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:51:10,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365498682] [2022-07-14 00:51:10,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1365498682] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:51:10,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:51:10,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:51:10,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775960944] [2022-07-14 00:51:10,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:51:10,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:51:10,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:51:10,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:51:10,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:51:10,890 INFO L87 Difference]: Start difference. First operand 10624 states and 16455 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-14 00:51:11,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:51:11,658 INFO L93 Difference]: Finished difference Result 31783 states and 53476 transitions. [2022-07-14 00:51:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:51:11,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 307 [2022-07-14 00:51:11,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:51:11,762 INFO L225 Difference]: With dead ends: 31783 [2022-07-14 00:51:11,762 INFO L226 Difference]: Without dead ends: 21201 [2022-07-14 00:51:11,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:51:11,850 INFO L413 NwaCegarLoop]: 4610 mSDtfsCounter, 4002 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4002 SdHoareTripleChecker+Valid, 8568 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:51:11,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4002 Valid, 8568 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 00:51:11,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21201 states. [2022-07-14 00:51:12,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21201 to 21199. [2022-07-14 00:51:12,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21199 states, 15355 states have (on average 1.408466297622924) internal successors, (21627), 15867 states have internal predecessors, (21627), 4767 states have call successors, (4767), 1080 states have call predecessors, (4767), 1076 states have return successors, (8561), 4507 states have call predecessors, (8561), 4767 states have call successors, (8561) [2022-07-14 00:51:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21199 states to 21199 states and 34955 transitions. [2022-07-14 00:51:12,683 INFO L78 Accepts]: Start accepts. Automaton has 21199 states and 34955 transitions. Word has length 307 [2022-07-14 00:51:12,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:51:12,683 INFO L495 AbstractCegarLoop]: Abstraction has 21199 states and 34955 transitions. [2022-07-14 00:51:12,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-14 00:51:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 21199 states and 34955 transitions. [2022-07-14 00:51:12,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-14 00:51:12,685 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:51:12,685 INFO L195 NwaCegarLoop]: trace histogram [20, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:51:12,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 00:51:12,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:51:12,911 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:51:12,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:51:12,912 INFO L85 PathProgramCache]: Analyzing trace with hash -301667027, now seen corresponding path program 1 times [2022-07-14 00:51:12,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:51:12,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604063839] [2022-07-14 00:51:12,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:51:12,913 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:51:12,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:51:12,915 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) [2022-07-14 00:51:12,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 00:51:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:51:17,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 2918 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 00:51:17,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:51:17,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 225 proven. 10 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2022-07-14 00:51:17,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:51:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 93 proven. 41 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2022-07-14 00:51:19,510 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:51:19,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604063839] [2022-07-14 00:51:19,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604063839] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:51:19,510 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:51:19,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-14 00:51:19,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130147958] [2022-07-14 00:51:19,511 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:51:19,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-14 00:51:19,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:51:19,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-14 00:51:19,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-14 00:51:19,512 INFO L87 Difference]: Start difference. First operand 21199 states and 34955 transitions. Second operand has 17 states, 15 states have (on average 5.4) internal successors, (81), 17 states have internal predecessors, (81), 4 states have call successors, (28), 2 states have call predecessors, (28), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-14 00:51:22,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:51:22,026 INFO L93 Difference]: Finished difference Result 42462 states and 74388 transitions. [2022-07-14 00:51:22,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-14 00:51:22,032 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.4) internal successors, (81), 17 states have internal predecessors, (81), 4 states have call successors, (28), 2 states have call predecessors, (28), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 308 [2022-07-14 00:51:22,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:51:22,141 INFO L225 Difference]: With dead ends: 42462 [2022-07-14 00:51:22,141 INFO L226 Difference]: Without dead ends: 21271 [2022-07-14 00:51:22,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-14 00:51:22,330 INFO L413 NwaCegarLoop]: 3935 mSDtfsCounter, 24 mSDsluCounter, 31429 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 35364 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:51:22,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 35364 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-14 00:51:22,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21271 states. [2022-07-14 00:51:22,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21271 to 21271. [2022-07-14 00:51:22,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21271 states, 15419 states have (on average 1.4072897075037292) internal successors, (21699), 15931 states have internal predecessors, (21699), 4767 states have call successors, (4767), 1088 states have call predecessors, (4767), 1084 states have return successors, (8561), 4507 states have call predecessors, (8561), 4767 states have call successors, (8561) [2022-07-14 00:51:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21271 states to 21271 states and 35027 transitions. [2022-07-14 00:51:23,109 INFO L78 Accepts]: Start accepts. Automaton has 21271 states and 35027 transitions. Word has length 308 [2022-07-14 00:51:23,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:51:23,110 INFO L495 AbstractCegarLoop]: Abstraction has 21271 states and 35027 transitions. [2022-07-14 00:51:23,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 5.4) internal successors, (81), 17 states have internal predecessors, (81), 4 states have call successors, (28), 2 states have call predecessors, (28), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-14 00:51:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 21271 states and 35027 transitions. [2022-07-14 00:51:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-14 00:51:23,112 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:51:23,112 INFO L195 NwaCegarLoop]: trace histogram [21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:51:23,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-14 00:51:23,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:51:23,327 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:51:23,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:51:23,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1598680819, now seen corresponding path program 2 times [2022-07-14 00:51:23,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:51:23,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [797962331] [2022-07-14 00:51:23,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:51:23,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:51:23,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:51:23,331 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) [2022-07-14 00:51:23,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-14 00:51:25,410 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:51:25,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:51:25,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:51:25,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:51:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1497 trivial. 0 not checked. [2022-07-14 00:51:25,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:51:25,591 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:51:25,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [797962331] [2022-07-14 00:51:25,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [797962331] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:51:25,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:51:25,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:51:25,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115176470] [2022-07-14 00:51:25,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:51:25,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:51:25,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:51:25,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:51:25,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:51:25,593 INFO L87 Difference]: Start difference. First operand 21271 states and 35027 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-14 00:51:27,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:51:27,217 INFO L93 Difference]: Finished difference Result 63717 states and 121613 transitions. [2022-07-14 00:51:27,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:51:27,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 309 [2022-07-14 00:51:27,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:51:27,497 INFO L225 Difference]: With dead ends: 63717 [2022-07-14 00:51:27,498 INFO L226 Difference]: Without dead ends: 42488 [2022-07-14 00:51:27,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:51:27,732 INFO L413 NwaCegarLoop]: 4610 mSDtfsCounter, 4003 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4003 SdHoareTripleChecker+Valid, 8568 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:51:27,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4003 Valid, 8568 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 00:51:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42488 states. [2022-07-14 00:51:29,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42488 to 42486. [2022-07-14 00:51:29,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42486 states, 30812 states have (on average 1.4070816564974684) internal successors, (43355), 31828 states have internal predecessors, (43355), 9505 states have call successors, (9505), 2175 states have call predecessors, (9505), 2168 states have return successors, (25424), 8994 states have call predecessors, (25424), 9505 states have call successors, (25424) [2022-07-14 00:51:30,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42486 states to 42486 states and 78284 transitions. [2022-07-14 00:51:30,051 INFO L78 Accepts]: Start accepts. Automaton has 42486 states and 78284 transitions. Word has length 309 [2022-07-14 00:51:30,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:51:30,051 INFO L495 AbstractCegarLoop]: Abstraction has 42486 states and 78284 transitions. [2022-07-14 00:51:30,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-14 00:51:30,052 INFO L276 IsEmpty]: Start isEmpty. Operand 42486 states and 78284 transitions. [2022-07-14 00:51:30,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-07-14 00:51:30,054 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:51:30,054 INFO L195 NwaCegarLoop]: trace histogram [21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:51:30,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-14 00:51:30,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:51:30,255 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:51:30,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:51:30,256 INFO L85 PathProgramCache]: Analyzing trace with hash -315903827, now seen corresponding path program 1 times [2022-07-14 00:51:30,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:51:30,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [676865652] [2022-07-14 00:51:30,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:51:30,257 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:51:30,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:51:30,259 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:51:30,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-14 00:51:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:51:34,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 3005 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-14 00:51:34,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:51:35,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 245 proven. 15 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2022-07-14 00:51:35,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:51:37,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 108 proven. 51 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2022-07-14 00:51:37,161 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:51:37,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [676865652] [2022-07-14 00:51:37,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [676865652] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:51:37,161 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:51:37,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2022-07-14 00:51:37,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604231503] [2022-07-14 00:51:37,161 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:51:37,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-14 00:51:37,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:51:37,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-14 00:51:37,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-07-14 00:51:37,163 INFO L87 Difference]: Start difference. First operand 42486 states and 78284 transitions. Second operand has 19 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 19 states have internal predecessors, (86), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-14 00:51:41,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:51:41,152 INFO L93 Difference]: Finished difference Result 85030 states and 173569 transitions. [2022-07-14 00:51:41,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-14 00:51:41,154 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 19 states have internal predecessors, (86), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 313 [2022-07-14 00:51:41,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:51:41,503 INFO L225 Difference]: With dead ends: 85030 [2022-07-14 00:51:41,503 INFO L226 Difference]: Without dead ends: 42502 [2022-07-14 00:51:42,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2022-07-14 00:51:42,061 INFO L413 NwaCegarLoop]: 3935 mSDtfsCounter, 32 mSDsluCounter, 35349 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 39284 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-14 00:51:42,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 39284 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-14 00:51:42,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42502 states. [2022-07-14 00:51:43,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42502 to 42502. [2022-07-14 00:51:43,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42502 states, 30828 states have (on average 1.4068703775788245) internal successors, (43371), 31844 states have internal predecessors, (43371), 9505 states have call successors, (9505), 2175 states have call predecessors, (9505), 2168 states have return successors, (25424), 8994 states have call predecessors, (25424), 9505 states have call successors, (25424) [2022-07-14 00:51:43,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42502 states to 42502 states and 78300 transitions. [2022-07-14 00:51:43,936 INFO L78 Accepts]: Start accepts. Automaton has 42502 states and 78300 transitions. Word has length 313 [2022-07-14 00:51:43,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:51:43,936 INFO L495 AbstractCegarLoop]: Abstraction has 42502 states and 78300 transitions. [2022-07-14 00:51:43,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 19 states have internal predecessors, (86), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-14 00:51:43,937 INFO L276 IsEmpty]: Start isEmpty. Operand 42502 states and 78300 transitions. [2022-07-14 00:51:43,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-07-14 00:51:43,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:51:43,939 INFO L195 NwaCegarLoop]: trace histogram [22, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:51:43,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-14 00:51:44,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:51:44,153 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:51:44,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:51:44,154 INFO L85 PathProgramCache]: Analyzing trace with hash 2029385933, now seen corresponding path program 2 times [2022-07-14 00:51:44,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:51:44,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524941716] [2022-07-14 00:51:44,156 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:51:44,156 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:51:44,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:51:44,157 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:51:44,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-14 00:51:46,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:51:46,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:51:46,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 2043 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:51:46,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:51:48,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1523 trivial. 0 not checked. [2022-07-14 00:51:48,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:51:48,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:51:48,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1524941716] [2022-07-14 00:51:48,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1524941716] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:51:48,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:51:48,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:51:48,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201498422] [2022-07-14 00:51:48,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:51:48,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:51:48,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:51:48,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:51:48,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:51:48,296 INFO L87 Difference]: Start difference. First operand 42502 states and 78300 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-14 00:51:52,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:51:52,774 INFO L93 Difference]: Finished difference Result 127518 states and 300954 transitions. [2022-07-14 00:51:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:51:52,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 314 [2022-07-14 00:51:52,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:51:53,530 INFO L225 Difference]: With dead ends: 127518 [2022-07-14 00:51:53,531 INFO L226 Difference]: Without dead ends: 85058 [2022-07-14 00:51:54,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:51:54,479 INFO L413 NwaCegarLoop]: 4913 mSDtfsCounter, 3924 mSDsluCounter, 13769 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3924 SdHoareTripleChecker+Valid, 18682 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:51:54,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3924 Valid, 18682 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 00:51:54,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85058 states. [2022-07-14 00:51:58,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85058 to 84896. [2022-07-14 00:51:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84896 states, 61552 states have (on average 1.4062581232128932) internal successors, (86558), 63664 states have internal predecessors, (86558), 18991 states have call successors, (18991), 4366 states have call predecessors, (18991), 4352 states have return successors, (81901), 17857 states have call predecessors, (81901), 18991 states have call successors, (81901) [2022-07-14 00:52:00,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84896 states to 84896 states and 187450 transitions. [2022-07-14 00:52:00,234 INFO L78 Accepts]: Start accepts. Automaton has 84896 states and 187450 transitions. Word has length 314 [2022-07-14 00:52:00,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:52:00,235 INFO L495 AbstractCegarLoop]: Abstraction has 84896 states and 187450 transitions. [2022-07-14 00:52:00,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-14 00:52:00,235 INFO L276 IsEmpty]: Start isEmpty. Operand 84896 states and 187450 transitions. [2022-07-14 00:52:00,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-07-14 00:52:00,238 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:52:00,238 INFO L195 NwaCegarLoop]: trace histogram [22, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:52:00,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-07-14 00:52:00,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:52:00,439 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:52:00,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:52:00,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1294263860, now seen corresponding path program 1 times [2022-07-14 00:52:00,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:52:00,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786160324] [2022-07-14 00:52:00,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:52:00,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:52:00,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:52:00,442 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:52:00,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-14 00:52:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:52:04,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 2940 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-14 00:52:04,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:52:05,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 265 proven. 21 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2022-07-14 00:52:05,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:52:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 123 proven. 62 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2022-07-14 00:52:07,868 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:52:07,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786160324] [2022-07-14 00:52:07,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1786160324] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:52:07,869 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:52:07,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2022-07-14 00:52:07,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057564503] [2022-07-14 00:52:07,869 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:52:07,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-07-14 00:52:07,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:52:07,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-07-14 00:52:07,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2022-07-14 00:52:07,870 INFO L87 Difference]: Start difference. First operand 84896 states and 187450 transitions. Second operand has 21 states, 19 states have (on average 4.7368421052631575) internal successors, (90), 21 states have internal predecessors, (90), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-14 00:52:16,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:52:16,321 INFO L93 Difference]: Finished difference Result 169946 states and 439901 transitions. [2022-07-14 00:52:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-14 00:52:16,322 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 4.7368421052631575) internal successors, (90), 21 states have internal predecessors, (90), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 315 [2022-07-14 00:52:16,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:52:17,421 INFO L225 Difference]: With dead ends: 169946 [2022-07-14 00:52:17,422 INFO L226 Difference]: Without dead ends: 84928 [2022-07-14 00:52:20,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2022-07-14 00:52:20,358 INFO L413 NwaCegarLoop]: 3935 mSDtfsCounter, 41 mSDsluCounter, 43223 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 47158 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-14 00:52:20,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 47158 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-14 00:52:20,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84928 states.