./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 eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-eb692b5 [2022-07-20 00:10:49,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:10:49,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:10:49,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:10:49,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:10:49,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:10:49,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:10:49,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:10:49,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:10:49,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:10:49,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:10:49,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:10:49,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:10:49,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:10:49,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:10:49,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:10:49,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:10:49,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:10:49,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:10:49,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:10:49,911 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:10:49,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:10:49,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:10:49,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:10:49,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:10:49,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:10:49,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:10:49,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:10:49,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:10:49,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:10:49,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:10:49,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:10:49,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:10:49,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:10:49,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:10:49,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:10:49,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:10:49,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:10:49,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:10:49,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:10:49,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:10:49,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:10:49,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:10:49,957 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:10:49,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:10:49,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:10:49,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:10:49,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:10:49,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:10:49,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:10:49,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:10:49,959 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:10:49,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:10:49,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:10:49,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:10:49,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:10:49,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:10:49,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:10:49,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:10:49,961 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:10:49,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:10:49,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:10:49,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:10:49,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:10:49,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:10:49,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:10:49,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:10:49,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:10:49,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:10:49,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:10:49,964 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:10:49,964 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:10:49,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:10:49,965 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 [2022-07-20 00:10:50,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:10:50,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:10:50,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:10:50,209 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:10:50,209 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:10:50,210 INFO L432 ainManager$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 [2022-07-20 00:10:50,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f7569ef/f9049a8e080d4918abbd374e4c860d0d/FLAGb6a9e96b5 [2022-07-20 00:10:50,912 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:10:50,913 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 [2022-07-20 00:10:50,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f7569ef/f9049a8e080d4918abbd374e4c860d0d/FLAGb6a9e96b5 [2022-07-20 00:10:51,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f7569ef/f9049a8e080d4918abbd374e4c860d0d [2022-07-20 00:10:51,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:10:51,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:10:51,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:10:51,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:10:51,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:10:51,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:10:51" (1/1) ... [2022-07-20 00:10:51,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e15a758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:51, skipping insertion in model container [2022-07-20 00:10:51,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:10:51" (1/1) ... [2022-07-20 00:10:51,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:10:51,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:10:52,929 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] [2022-07-20 00:10:52,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:10:53,000 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:10:53,224 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) [2022-07-20 00:10:53,229 INFO L158 Benchmark]: Toolchain (without parser) took 2160.36ms. Allocated memory was 88.1MB in the beginning and 165.7MB in the end (delta: 77.6MB). Free memory was 45.7MB in the beginning and 80.2MB in the end (delta: -34.5MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-07-20 00:10:53,230 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 00:10:53,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2155.92ms. Allocated memory was 88.1MB in the beginning and 165.7MB in the end (delta: 77.6MB). Free memory was 45.5MB in the beginning and 80.2MB in the end (delta: -34.8MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-07-20 00:10:53,233 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2155.92ms. Allocated memory was 88.1MB in the beginning and 165.7MB in the end (delta: 77.6MB). Free memory was 45.5MB in the beginning and 80.2MB in the end (delta: -34.8MB). Peak memory consumption was 53.5MB. 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-?-eb692b5 [2022-07-20 00:10:54,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:10:54,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:10:54,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:10:54,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:10:54,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:10:54,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:10:55,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:10:55,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:10:55,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:10:55,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:10:55,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:10:55,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:10:55,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:10:55,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:10:55,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:10:55,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:10:55,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:10:55,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:10:55,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:10:55,029 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:10:55,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:10:55,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:10:55,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:10:55,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:10:55,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:10:55,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:10:55,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:10:55,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:10:55,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:10:55,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:10:55,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:10:55,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:10:55,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:10:55,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:10:55,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:10:55,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:10:55,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:10:55,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:10:55,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:10:55,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:10:55,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:10:55,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 00:10:55,089 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:10:55,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:10:55,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:10:55,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:10:55,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:10:55,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:10:55,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:10:55,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:10:55,091 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:10:55,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:10:55,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:10:55,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:10:55,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:10:55,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:10:55,103 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 00:10:55,104 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 00:10:55,104 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 00:10:55,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:10:55,104 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:10:55,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:10:55,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:10:55,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:10:55,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:10:55,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:10:55,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:10:55,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:10:55,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:10:55,106 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 00:10:55,106 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 00:10:55,106 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:10:55,107 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:10:55,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:10:55,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 00:10:55,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 [2022-07-20 00:10:55,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:10:55,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:10:55,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:10:55,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:10:55,442 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:10:55,444 INFO L432 ainManager$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 [2022-07-20 00:10:55,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff29c440/1be03f01358b4bf383ad84ffcdcc2c73/FLAGe2d9f2fbb [2022-07-20 00:10:56,212 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:10:56,212 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 [2022-07-20 00:10:56,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff29c440/1be03f01358b4bf383ad84ffcdcc2c73/FLAGe2d9f2fbb [2022-07-20 00:10:56,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff29c440/1be03f01358b4bf383ad84ffcdcc2c73 [2022-07-20 00:10:56,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:10:56,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:10:56,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:10:56,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:10:56,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:10:56,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:10:56" (1/1) ... [2022-07-20 00:10:56,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc5d053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:56, skipping insertion in model container [2022-07-20 00:10:56,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:10:56" (1/1) ... [2022-07-20 00:10:56,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:10:56,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:10:58,421 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] [2022-07-20 00:10:58,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:10:58,512 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 00:10:58,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:10:58,902 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] [2022-07-20 00:10:58,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:10:58,969 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:10:59,389 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] [2022-07-20 00:10:59,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:10:59,525 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:10:59,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:59 WrapperNode [2022-07-20 00:10:59,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:10:59,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:10:59,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:10:59,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:10:59,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:59" (1/1) ... [2022-07-20 00:10:59,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:59" (1/1) ... [2022-07-20 00:10:59,813 INFO L137 Inliner]: procedures = 366, calls = 3277, calls flagged for inlining = 158, calls inlined = 158, statements flattened = 7004 [2022-07-20 00:10:59,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:10:59,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:10:59,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:10:59,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:10:59,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:59" (1/1) ... [2022-07-20 00:10:59,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:59" (1/1) ... [2022-07-20 00:10:59,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:59" (1/1) ... [2022-07-20 00:10:59,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:59" (1/1) ... [2022-07-20 00:11:00,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:59" (1/1) ... [2022-07-20 00:11:00,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:59" (1/1) ... [2022-07-20 00:11:00,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:59" (1/1) ... [2022-07-20 00:11:00,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:11:00,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:11:00,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:11:00,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:11:00,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:59" (1/1) ... [2022-07-20 00:11:00,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:11:00,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:11:00,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 00:11:00,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 00:11:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2022-07-20 00:11:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2022-07-20 00:11:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 00:11:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 00:11:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-20 00:11:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-20 00:11:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-07-20 00:11:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-07-20 00:11:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2022-07-20 00:11:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2022-07-20 00:11:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 00:11:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_8 [2022-07-20 00:11:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_8 [2022-07-20 00:11:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 00:11:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-07-20 00:11:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-07-20 00:11:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 00:11:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:11:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-07-20 00:11:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-07-20 00:11:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:11:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-20 00:11:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-20 00:11:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2022-07-20 00:11:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2022-07-20 00:11:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:11:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:11:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:11:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:11:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2022-07-20 00:11:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2022-07-20 00:11:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2022-07-20 00:11:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2022-07-20 00:11:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 00:11:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 00:11:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2022-07-20 00:11:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2022-07-20 00:11:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:11:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:11:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2022-07-20 00:11:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2022-07-20 00:11:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2022-07-20 00:11:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2022-07-20 00:11:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2022-07-20 00:11:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2022-07-20 00:11:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2022-07-20 00:11:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2022-07-20 00:11:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2022-07-20 00:11:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2022-07-20 00:11:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2022-07-20 00:11:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2022-07-20 00:11:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2022-07-20 00:11:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2022-07-20 00:11:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2022-07-20 00:11:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2022-07-20 00:11:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2022-07-20 00:11:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2022-07-20 00:11:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2022-07-20 00:11:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2022-07-20 00:11:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:11:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:11:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2022-07-20 00:11:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2022-07-20 00:11:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-07-20 00:11:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-07-20 00:11:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 00:11:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 00:11:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:11:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:11:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-20 00:11:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-20 00:11:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2022-07-20 00:11:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2022-07-20 00:11:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2022-07-20 00:11:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2022-07-20 00:11:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:11:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:11:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2022-07-20 00:11:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2022-07-20 00:11:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2022-07-20 00:11:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2022-07-20 00:11:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2022-07-20 00:11:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2022-07-20 00:11:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2022-07-20 00:11:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2022-07-20 00:11:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2022-07-20 00:11:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2022-07-20 00:11:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2022-07-20 00:11:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2022-07-20 00:11:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2022-07-20 00:11:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2022-07-20 00:11:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2022-07-20 00:11:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2022-07-20 00:11:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-07-20 00:11:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-07-20 00:11:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:11:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:11:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:11:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2022-07-20 00:11:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2022-07-20 00:11:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:11:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2022-07-20 00:11:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2022-07-20 00:11:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2022-07-20 00:11:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2022-07-20 00:11:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 00:11:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 00:11:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-07-20 00:11:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-07-20 00:11:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 00:11:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 00:11:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-07-20 00:11:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-07-20 00:11:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 00:11:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 00:11:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-20 00:11:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-20 00:11:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-20 00:11:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-20 00:11:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:11:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 00:11:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:11:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-07-20 00:11:00,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-07-20 00:11:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 00:11:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 00:11:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2022-07-20 00:11:00,239 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2022-07-20 00:11:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2022-07-20 00:11:00,239 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2022-07-20 00:11:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 00:11:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-20 00:11:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 00:11:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 00:11:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2022-07-20 00:11:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2022-07-20 00:11:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 00:11:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 00:11:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2022-07-20 00:11:00,241 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2022-07-20 00:11:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-07-20 00:11:00,241 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-07-20 00:11:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2022-07-20 00:11:00,241 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2022-07-20 00:11:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 00:11:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 00:11:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2022-07-20 00:11:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2022-07-20 00:11:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2022-07-20 00:11:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2022-07-20 00:11:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2022-07-20 00:11:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2022-07-20 00:11:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2022-07-20 00:11:00,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2022-07-20 00:11:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2022-07-20 00:11:00,243 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2022-07-20 00:11:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2022-07-20 00:11:00,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2022-07-20 00:11:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-20 00:11:00,243 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-20 00:11:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-20 00:11:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-20 00:11:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-07-20 00:11:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-07-20 00:11:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 00:11:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 00:11:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-07-20 00:11:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-07-20 00:11:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-20 00:11:00,245 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-20 00:11:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2022-07-20 00:11:00,245 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2022-07-20 00:11:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2022-07-20 00:11:00,245 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2022-07-20 00:11:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 00:11:00,245 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 00:11:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2022-07-20 00:11:00,246 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2022-07-20 00:11:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2022-07-20 00:11:00,246 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2022-07-20 00:11:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:11:00,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:11:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 00:11:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 00:11:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-20 00:11:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-20 00:11:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-20 00:11:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-20 00:11:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2022-07-20 00:11:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2022-07-20 00:11:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2022-07-20 00:11:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2022-07-20 00:11:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2022-07-20 00:11:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2022-07-20 00:11:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2022-07-20 00:11:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2022-07-20 00:11:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-20 00:11:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-20 00:11:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:11:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:11:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2022-07-20 00:11:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2022-07-20 00:11:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2022-07-20 00:11:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2022-07-20 00:11:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2022-07-20 00:11:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2022-07-20 00:11:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 00:11:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 00:11:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2022-07-20 00:11:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2022-07-20 00:11:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2022-07-20 00:11:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2022-07-20 00:11:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 00:11:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 00:11:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 00:11:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:11:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:11:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:11:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:11:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2022-07-20 00:11:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2022-07-20 00:11:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2022-07-20 00:11:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2022-07-20 00:11:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2022-07-20 00:11:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2022-07-20 00:11:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-07-20 00:11:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-07-20 00:11:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:11:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2022-07-20 00:11:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2022-07-20 00:11:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2022-07-20 00:11:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2022-07-20 00:11:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:11:00,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:11:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-20 00:11:00,315 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-20 00:11:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-20 00:11:00,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-20 00:11:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:11:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 00:11:00,315 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 00:11:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2022-07-20 00:11:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2022-07-20 00:11:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2022-07-20 00:11:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2022-07-20 00:11:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 00:11:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 00:11:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2022-07-20 00:11:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2022-07-20 00:11:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:11:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 00:11:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 00:11:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-20 00:11:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-20 00:11:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:11:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:11:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 00:11:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-20 00:11:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-20 00:11:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2022-07-20 00:11:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2022-07-20 00:11:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-07-20 00:11:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-07-20 00:11:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_8 [2022-07-20 00:11:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_8 [2022-07-20 00:11:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2022-07-20 00:11:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2022-07-20 00:11:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 00:11:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 00:11:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2022-07-20 00:11:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2022-07-20 00:11:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2022-07-20 00:11:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2022-07-20 00:11:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2022-07-20 00:11:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2022-07-20 00:11:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2022-07-20 00:11:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2022-07-20 00:11:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2022-07-20 00:11:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2022-07-20 00:11:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 00:11:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 00:11:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-20 00:11:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-20 00:11:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2022-07-20 00:11:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2022-07-20 00:11:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 00:11:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-20 00:11:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-20 00:11:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-20 00:11:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-20 00:11:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-20 00:11:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-20 00:11:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2022-07-20 00:11:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2022-07-20 00:11:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:11:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:11:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 00:11:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 00:11:01,200 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:11:01,206 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:11:07,642 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:12:13,274 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:12:13,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:12:13,343 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 00:12:13,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:12:13 BoogieIcfgContainer [2022-07-20 00:12:13,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:12:13,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:12:13,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:12:13,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:12:13,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:10:56" (1/3) ... [2022-07-20 00:12:13,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d57836e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:12:13, skipping insertion in model container [2022-07-20 00:12:13,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:10:59" (2/3) ... [2022-07-20 00:12:13,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d57836e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:12:13, skipping insertion in model container [2022-07-20 00:12:13,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:12:13" (3/3) ... [2022-07-20 00:12:13,358 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 [2022-07-20 00:12:13,385 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:12:13,385 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:12:13,569 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:12:13,587 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@713aa5bf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4d147e2 [2022-07-20 00:12:13,588 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:12:13,619 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) [2022-07-20 00:12:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-20 00:12:13,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:12:13,645 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] [2022-07-20 00:12:13,645 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:12:13,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:12:13,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1858181459, now seen corresponding path program 1 times [2022-07-20 00:12:13,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:12:13,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759335161] [2022-07-20 00:12:13,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:12:13,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:12:13,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:12:13,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:12:13,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 00:12:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:17,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 2692 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-20 00:12:17,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:12:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 588 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2022-07-20 00:12:17,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:12:17,678 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:12:17,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [759335161] [2022-07-20 00:12:17,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [759335161] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:12:17,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:12:17,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 00:12:17,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155488725] [2022-07-20 00:12:17,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:12:17,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 00:12:17,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:12:17,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 00:12:17,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 00:12:17,723 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) [2022-07-20 00:12:18,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:12:18,163 INFO L93 Difference]: Finished difference Result 5414 states and 8185 transitions. [2022-07-20 00:12:18,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 00:12:18,166 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 [2022-07-20 00:12:18,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:12:18,210 INFO L225 Difference]: With dead ends: 5414 [2022-07-20 00:12:18,223 INFO L226 Difference]: Without dead ends: 2684 [2022-07-20 00:12:18,274 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 [2022-07-20 00:12:18,277 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 [2022-07-20 00:12:18,278 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] [2022-07-20 00:12:18,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2022-07-20 00:12:18,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2684. [2022-07-20 00:12:18,674 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) [2022-07-20 00:12:18,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 3952 transitions. [2022-07-20 00:12:18,723 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 3952 transitions. Word has length 285 [2022-07-20 00:12:18,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:12:18,731 INFO L495 AbstractCegarLoop]: Abstraction has 2684 states and 3952 transitions. [2022-07-20 00:12:18,732 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) [2022-07-20 00:12:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 3952 transitions. [2022-07-20 00:12:18,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-20 00:12:18,742 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:12:18,742 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] [2022-07-20 00:12:18,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 00:12:18,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:12:18,944 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:12:18,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:12:18,948 INFO L85 PathProgramCache]: Analyzing trace with hash -699617965, now seen corresponding path program 1 times [2022-07-20 00:12:18,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:12:18,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759617121] [2022-07-20 00:12:18,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:12:18,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:12:18,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:12:18,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:12:18,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 00:12:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:23,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 2692 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 00:12:23,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:12:23,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2022-07-20 00:12:23,724 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:12:23,724 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:12:23,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [759617121] [2022-07-20 00:12:23,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [759617121] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:12:23,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:12:23,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:12:23,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439391567] [2022-07-20 00:12:23,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:12:23,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:12:23,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:12:23,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:12:23,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:12:23,728 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) [2022-07-20 00:12:24,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:12:24,969 INFO L93 Difference]: Finished difference Result 5342 states and 7962 transitions. [2022-07-20 00:12:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:12:24,971 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 [2022-07-20 00:12:24,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:12:25,013 INFO L225 Difference]: With dead ends: 5342 [2022-07-20 00:12:25,027 INFO L226 Difference]: Without dead ends: 2685 [2022-07-20 00:12:25,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:12:25,052 INFO L413 NwaCegarLoop]: 3935 mSDtfsCounter, 6 mSDsluCounter, 15701 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:12:25,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19636 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-20 00:12:25,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2022-07-20 00:12:25,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2685. [2022-07-20 00:12:25,376 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) [2022-07-20 00:12:25,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 3953 transitions. [2022-07-20 00:12:25,430 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 3953 transitions. Word has length 285 [2022-07-20 00:12:25,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:12:25,434 INFO L495 AbstractCegarLoop]: Abstraction has 2685 states and 3953 transitions. [2022-07-20 00:12:25,435 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) [2022-07-20 00:12:25,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 3953 transitions. [2022-07-20 00:12:25,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-20 00:12:25,439 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:12:25,440 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] [2022-07-20 00:12:25,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:12:25,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:12:25,664 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:12:25,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:12:25,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1670807165, now seen corresponding path program 1 times [2022-07-20 00:12:25,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:12:25,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303284112] [2022-07-20 00:12:25,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:12:25,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:12:25,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:12:25,680 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:12:25,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 00:12:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:30,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 2747 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 00:12:30,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:12:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 1168 trivial. 0 not checked. [2022-07-20 00:12:31,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:12:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2022-07-20 00:12:32,500 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:12:32,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303284112] [2022-07-20 00:12:32,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [303284112] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:12:32,500 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:12:32,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-20 00:12:32,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114471144] [2022-07-20 00:12:32,501 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:12:32,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 00:12:32,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:12:32,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 00:12:32,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:12:32,503 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) [2022-07-20 00:12:34,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:12:34,825 INFO L93 Difference]: Finished difference Result 5349 states and 7970 transitions. [2022-07-20 00:12:34,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:12:34,826 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 [2022-07-20 00:12:34,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:12:34,876 INFO L225 Difference]: With dead ends: 5349 [2022-07-20 00:12:34,888 INFO L226 Difference]: Without dead ends: 2691 [2022-07-20 00:12:34,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 581 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-20 00:12:34,926 INFO L413 NwaCegarLoop]: 3936 mSDtfsCounter, 8 mSDsluCounter, 23554 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 27490 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-20 00:12:34,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 27490 Invalid, 219 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [28 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-20 00:12:34,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2022-07-20 00:12:35,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2691. [2022-07-20 00:12:35,099 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) [2022-07-20 00:12:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2691 states and 3959 transitions. [2022-07-20 00:12:35,142 INFO L78 Accepts]: Start accepts. Automaton has 2691 states and 3959 transitions. Word has length 290 [2022-07-20 00:12:35,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:12:35,144 INFO L495 AbstractCegarLoop]: Abstraction has 2691 states and 3959 transitions. [2022-07-20 00:12:35,144 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) [2022-07-20 00:12:35,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 3959 transitions. [2022-07-20 00:12:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-07-20 00:12:35,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:12:35,164 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] [2022-07-20 00:12:35,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 00:12:35,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:12:35,384 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:12:35,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:12:35,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1856355437, now seen corresponding path program 2 times [2022-07-20 00:12:35,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:12:35,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198707468] [2022-07-20 00:12:35,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:12:35,387 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:12:35,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:12:35,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:12:35,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 00:12:38,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 00:12:38,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:12:38,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1961 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:12:38,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:12:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1277 trivial. 0 not checked. [2022-07-20 00:12:38,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:12:38,783 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:12:38,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198707468] [2022-07-20 00:12:38,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198707468] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:12:38,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:12:38,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:12:38,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977683666] [2022-07-20 00:12:38,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:12:38,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:12:38,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:12:38,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:12:38,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:12:38,785 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) [2022-07-20 00:12:39,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:12:39,368 INFO L93 Difference]: Finished difference Result 7983 states and 12034 transitions. [2022-07-20 00:12:39,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:12:39,370 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 [2022-07-20 00:12:39,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:12:39,411 INFO L225 Difference]: With dead ends: 7983 [2022-07-20 00:12:39,412 INFO L226 Difference]: Without dead ends: 5334 [2022-07-20 00:12:39,435 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 [2022-07-20 00:12:39,436 INFO L413 NwaCegarLoop]: 4840 mSDtfsCounter, 3997 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:12:39,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3997 Valid, 8798 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 00:12:39,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5334 states. [2022-07-20 00:12:39,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5334 to 5332. [2022-07-20 00:12:39,624 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) [2022-07-20 00:12:39,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5332 states to 5332 states and 7987 transitions. [2022-07-20 00:12:39,663 INFO L78 Accepts]: Start accepts. Automaton has 5332 states and 7987 transitions. Word has length 295 [2022-07-20 00:12:39,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:12:39,667 INFO L495 AbstractCegarLoop]: Abstraction has 5332 states and 7987 transitions. [2022-07-20 00:12:39,668 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) [2022-07-20 00:12:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 5332 states and 7987 transitions. [2022-07-20 00:12:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-07-20 00:12:39,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:12:39,673 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] [2022-07-20 00:12:39,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 00:12:39,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:12:39,895 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:12:39,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:12:39,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1832893579, now seen corresponding path program 1 times [2022-07-20 00:12:39,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:12:39,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258539311] [2022-07-20 00:12:39,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:12:39,898 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:12:39,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:12:39,900 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:12:39,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 00:12:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:43,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 2804 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 00:12:43,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:12:43,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2022-07-20 00:12:43,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:12:44,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 1214 trivial. 0 not checked. [2022-07-20 00:12:44,671 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:12:44,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [258539311] [2022-07-20 00:12:44,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [258539311] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:12:44,671 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:12:44,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-20 00:12:44,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630216922] [2022-07-20 00:12:44,672 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:12:44,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 00:12:44,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:12:44,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 00:12:44,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:12:44,673 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) [2022-07-20 00:12:47,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:12:47,692 INFO L93 Difference]: Finished difference Result 10650 states and 16270 transitions. [2022-07-20 00:12:47,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 00:12:47,693 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 [2022-07-20 00:12:47,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:12:47,728 INFO L225 Difference]: With dead ends: 10650 [2022-07-20 00:12:47,728 INFO L226 Difference]: Without dead ends: 5334 [2022-07-20 00:12:47,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-07-20 00:12:47,766 INFO L413 NwaCegarLoop]: 3936 mSDtfsCounter, 9 mSDsluCounter, 31415 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 35351 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:12:47,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 35351 Invalid, 272 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [26 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-20 00:12:47,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5334 states. [2022-07-20 00:12:47,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5334 to 5334. [2022-07-20 00:12:48,011 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) [2022-07-20 00:12:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5334 states to 5334 states and 7989 transitions. [2022-07-20 00:12:48,086 INFO L78 Accepts]: Start accepts. Automaton has 5334 states and 7989 transitions. Word has length 296 [2022-07-20 00:12:48,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:12:48,087 INFO L495 AbstractCegarLoop]: Abstraction has 5334 states and 7989 transitions. [2022-07-20 00:12:48,087 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) [2022-07-20 00:12:48,088 INFO L276 IsEmpty]: Start isEmpty. Operand 5334 states and 7989 transitions. [2022-07-20 00:12:48,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-20 00:12:48,092 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:12:48,092 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] [2022-07-20 00:12:48,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 00:12:48,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:12:48,311 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:12:48,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:12:48,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1595086069, now seen corresponding path program 2 times [2022-07-20 00:12:48,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:12:48,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935648137] [2022-07-20 00:12:48,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:12:48,314 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:12:48,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:12:48,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:12:48,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 00:12:50,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 00:12:50,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:12:50,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 1963 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:12:50,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:12:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1362 trivial. 0 not checked. [2022-07-20 00:12:51,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:12:51,030 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:12:51,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935648137] [2022-07-20 00:12:51,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935648137] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:12:51,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:12:51,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:12:51,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258487995] [2022-07-20 00:12:51,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:12:51,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:12:51,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:12:51,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:12:51,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:12:51,031 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) [2022-07-20 00:12:51,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:12:51,958 INFO L93 Difference]: Finished difference Result 15914 states and 24928 transitions. [2022-07-20 00:12:51,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:12:51,959 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 [2022-07-20 00:12:51,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:12:52,123 INFO L225 Difference]: With dead ends: 15914 [2022-07-20 00:12:52,124 INFO L226 Difference]: Without dead ends: 10622 [2022-07-20 00:12:52,198 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 [2022-07-20 00:12:52,200 INFO L413 NwaCegarLoop]: 4674 mSDtfsCounter, 4001 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:12:52,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4001 Valid, 8632 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 00:12:52,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10622 states. [2022-07-20 00:12:52,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10622 to 10620. [2022-07-20 00:12:52,672 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) [2022-07-20 00:12:52,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10620 states to 10620 states and 16451 transitions. [2022-07-20 00:12:52,760 INFO L78 Accepts]: Start accepts. Automaton has 10620 states and 16451 transitions. Word has length 301 [2022-07-20 00:12:52,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:12:52,776 INFO L495 AbstractCegarLoop]: Abstraction has 10620 states and 16451 transitions. [2022-07-20 00:12:52,776 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) [2022-07-20 00:12:52,776 INFO L276 IsEmpty]: Start isEmpty. Operand 10620 states and 16451 transitions. [2022-07-20 00:12:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-20 00:12:52,778 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:12:52,778 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] [2022-07-20 00:12:52,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 00:12:52,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:12:52,995 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:12:52,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:12:52,996 INFO L85 PathProgramCache]: Analyzing trace with hash -2035339211, now seen corresponding path program 1 times [2022-07-20 00:12:52,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:12:52,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94228260] [2022-07-20 00:12:52,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:12:52,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:12:52,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:12:53,002 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:12:53,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 00:12:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:56,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 2861 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-20 00:12:56,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:12:57,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 96 proven. 6 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-07-20 00:12:57,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:12:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 1268 trivial. 0 not checked. [2022-07-20 00:12:58,778 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:12:58,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [94228260] [2022-07-20 00:12:58,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [94228260] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:12:58,779 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:12:58,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-20 00:12:58,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531049642] [2022-07-20 00:12:58,779 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:12:58,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-20 00:12:58,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:12:58,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-20 00:12:58,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-20 00:12:58,781 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) [2022-07-20 00:13:01,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:13:01,419 INFO L93 Difference]: Finished difference Result 21244 states and 34060 transitions. [2022-07-20 00:13:01,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 00:13:01,421 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 [2022-07-20 00:13:01,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:13:01,569 INFO L225 Difference]: With dead ends: 21244 [2022-07-20 00:13:01,570 INFO L226 Difference]: Without dead ends: 10624 [2022-07-20 00:13:01,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2022-07-20 00:13:01,702 INFO L413 NwaCegarLoop]: 3936 mSDtfsCounter, 12 mSDsluCounter, 35334 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:13:01,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 39270 Invalid, 316 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [28 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-20 00:13:01,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10624 states. [2022-07-20 00:13:02,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10624 to 10624. [2022-07-20 00:13:02,131 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) [2022-07-20 00:13:02,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10624 states to 10624 states and 16455 transitions. [2022-07-20 00:13:02,286 INFO L78 Accepts]: Start accepts. Automaton has 10624 states and 16455 transitions. Word has length 302 [2022-07-20 00:13:02,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:13:02,287 INFO L495 AbstractCegarLoop]: Abstraction has 10624 states and 16455 transitions. [2022-07-20 00:13:02,288 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) [2022-07-20 00:13:02,288 INFO L276 IsEmpty]: Start isEmpty. Operand 10624 states and 16455 transitions. [2022-07-20 00:13:02,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-07-20 00:13:02,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:13:02,305 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] [2022-07-20 00:13:02,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 00:13:02,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:13:02,523 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:13:02,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:13:02,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1499585355, now seen corresponding path program 2 times [2022-07-20 00:13:02,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:13:02,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063091110] [2022-07-20 00:13:02,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:13:02,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:13:02,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:13:02,536 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:13:02,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 00:13:05,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 00:13:05,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:13:05,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 1965 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:13:05,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:13:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1472 trivial. 0 not checked. [2022-07-20 00:13:05,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:13:05,312 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:13:05,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063091110] [2022-07-20 00:13:05,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063091110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:13:05,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:13:05,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:13:05,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532028569] [2022-07-20 00:13:05,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:13:05,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:13:05,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:13:05,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:13:05,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:13:05,314 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) [2022-07-20 00:13:06,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:13:06,060 INFO L93 Difference]: Finished difference Result 31783 states and 53476 transitions. [2022-07-20 00:13:06,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:13:06,062 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 [2022-07-20 00:13:06,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:13:06,289 INFO L225 Difference]: With dead ends: 31783 [2022-07-20 00:13:06,290 INFO L226 Difference]: Without dead ends: 21201 [2022-07-20 00:13:06,380 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 [2022-07-20 00:13:06,381 INFO L413 NwaCegarLoop]: 4610 mSDtfsCounter, 4002 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-07-20 00:13:06,381 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] [2022-07-20 00:13:06,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21201 states. [2022-07-20 00:13:07,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21201 to 21199. [2022-07-20 00:13:07,078 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) [2022-07-20 00:13:07,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21199 states to 21199 states and 34955 transitions. [2022-07-20 00:13:07,262 INFO L78 Accepts]: Start accepts. Automaton has 21199 states and 34955 transitions. Word has length 307 [2022-07-20 00:13:07,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:13:07,263 INFO L495 AbstractCegarLoop]: Abstraction has 21199 states and 34955 transitions. [2022-07-20 00:13:07,263 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) [2022-07-20 00:13:07,264 INFO L276 IsEmpty]: Start isEmpty. Operand 21199 states and 34955 transitions. [2022-07-20 00:13:07,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-20 00:13:07,266 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:13:07,266 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] [2022-07-20 00:13:07,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 00:13:07,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:13:07,468 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:13:07,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:13:07,468 INFO L85 PathProgramCache]: Analyzing trace with hash -301667027, now seen corresponding path program 1 times [2022-07-20 00:13:07,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:13:07,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366780225] [2022-07-20 00:13:07,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:13:07,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:13:07,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:13:07,472 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:13:07,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-20 00:13:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:12,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 2918 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-20 00:13:12,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:13:13,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 225 proven. 10 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2022-07-20 00:13:13,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:13:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 93 proven. 41 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2022-07-20 00:13:15,263 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:13:15,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366780225] [2022-07-20 00:13:15,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366780225] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:13:15,263 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:13:15,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-20 00:13:15,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877408357] [2022-07-20 00:13:15,263 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:13:15,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-20 00:13:15,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:13:15,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-20 00:13:15,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-20 00:13:15,265 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) [2022-07-20 00:13:17,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:13:17,991 INFO L93 Difference]: Finished difference Result 42462 states and 74388 transitions. [2022-07-20 00:13:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 00:13:17,992 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 [2022-07-20 00:13:17,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:13:18,139 INFO L225 Difference]: With dead ends: 42462 [2022-07-20 00:13:18,140 INFO L226 Difference]: Without dead ends: 21271 [2022-07-20 00:13:18,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-20 00:13:18,459 INFO L413 NwaCegarLoop]: 3935 mSDtfsCounter, 24 mSDsluCounter, 31429 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:13:18,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 35364 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-20 00:13:18,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21271 states. [2022-07-20 00:13:19,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21271 to 21271. [2022-07-20 00:13:19,295 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) [2022-07-20 00:13:19,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21271 states to 21271 states and 35027 transitions. [2022-07-20 00:13:19,592 INFO L78 Accepts]: Start accepts. Automaton has 21271 states and 35027 transitions. Word has length 308 [2022-07-20 00:13:19,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:13:19,593 INFO L495 AbstractCegarLoop]: Abstraction has 21271 states and 35027 transitions. [2022-07-20 00:13:19,593 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) [2022-07-20 00:13:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand 21271 states and 35027 transitions. [2022-07-20 00:13:19,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-20 00:13:19,597 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:13:19,597 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] [2022-07-20 00:13:19,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-20 00:13:19,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:13:19,820 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:13:19,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:13:19,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1598680819, now seen corresponding path program 2 times [2022-07-20 00:13:19,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:13:19,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091295209] [2022-07-20 00:13:19,822 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:13:19,822 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:13:19,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:13:19,834 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:13:19,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-20 00:13:22,153 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 00:13:22,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:13:22,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:13:22,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:13:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1497 trivial. 0 not checked. [2022-07-20 00:13:22,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:13:22,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:13:22,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091295209] [2022-07-20 00:13:22,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091295209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:13:22,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:13:22,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:13:22,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324368230] [2022-07-20 00:13:22,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:13:22,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:13:22,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:13:22,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:13:22,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:13:22,350 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) [2022-07-20 00:13:25,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:13:25,046 INFO L93 Difference]: Finished difference Result 63717 states and 121613 transitions. [2022-07-20 00:13:25,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:13:25,047 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 [2022-07-20 00:13:25,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:13:26,027 INFO L225 Difference]: With dead ends: 63717 [2022-07-20 00:13:26,027 INFO L226 Difference]: Without dead ends: 42488 [2022-07-20 00:13:26,510 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 [2022-07-20 00:13:26,512 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 [2022-07-20 00:13:26,512 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] [2022-07-20 00:13:26,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42488 states. [2022-07-20 00:13:29,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42488 to 42486. [2022-07-20 00:13:29,480 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) [2022-07-20 00:13:30,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42486 states to 42486 states and 78284 transitions. [2022-07-20 00:13:30,630 INFO L78 Accepts]: Start accepts. Automaton has 42486 states and 78284 transitions. Word has length 309 [2022-07-20 00:13:30,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:13:30,631 INFO L495 AbstractCegarLoop]: Abstraction has 42486 states and 78284 transitions. [2022-07-20 00:13:30,631 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) [2022-07-20 00:13:30,631 INFO L276 IsEmpty]: Start isEmpty. Operand 42486 states and 78284 transitions. [2022-07-20 00:13:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-07-20 00:13:30,633 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:13:30,634 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] [2022-07-20 00:13:30,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-20 00:13:30,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:13:30,847 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:13:30,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:13:30,848 INFO L85 PathProgramCache]: Analyzing trace with hash -315903827, now seen corresponding path program 1 times [2022-07-20 00:13:30,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:13:30,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [127814037] [2022-07-20 00:13:30,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:13:30,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:13:30,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:13:30,853 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) [2022-07-20 00:13:30,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-20 00:13:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:35,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 3005 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-20 00:13:35,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:13:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 245 proven. 15 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2022-07-20 00:13:36,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:13:38,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 108 proven. 51 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2022-07-20 00:13:38,828 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:13:38,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [127814037] [2022-07-20 00:13:38,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [127814037] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:13:38,829 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:13:38,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2022-07-20 00:13:38,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260689170] [2022-07-20 00:13:38,829 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:13:38,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-20 00:13:38,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:13:38,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-20 00:13:38,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-07-20 00:13:38,831 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) [2022-07-20 00:13:44,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:13:44,205 INFO L93 Difference]: Finished difference Result 85030 states and 173569 transitions. [2022-07-20 00:13:44,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-20 00:13:44,207 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 [2022-07-20 00:13:44,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:13:44,948 INFO L225 Difference]: With dead ends: 85030 [2022-07-20 00:13:44,949 INFO L226 Difference]: Without dead ends: 42502 [2022-07-20 00:13:46,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2022-07-20 00:13:46,026 INFO L413 NwaCegarLoop]: 3935 mSDtfsCounter, 32 mSDsluCounter, 35349 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:13:46,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 39284 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-20 00:13:46,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42502 states. [2022-07-20 00:13:47,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42502 to 42502. [2022-07-20 00:13:48,014 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) [2022-07-20 00:13:49,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42502 states to 42502 states and 78300 transitions. [2022-07-20 00:13:49,042 INFO L78 Accepts]: Start accepts. Automaton has 42502 states and 78300 transitions. Word has length 313 [2022-07-20 00:13:49,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:13:49,043 INFO L495 AbstractCegarLoop]: Abstraction has 42502 states and 78300 transitions. [2022-07-20 00:13:49,043 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) [2022-07-20 00:13:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 42502 states and 78300 transitions. [2022-07-20 00:13:49,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-07-20 00:13:49,046 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:13:49,046 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] [2022-07-20 00:13:49,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-20 00:13:49,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:13:49,259 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:13:49,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:13:49,260 INFO L85 PathProgramCache]: Analyzing trace with hash 2029385933, now seen corresponding path program 2 times [2022-07-20 00:13:49,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:13:49,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080946951] [2022-07-20 00:13:49,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:13:49,262 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:13:49,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:13:49,271 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) [2022-07-20 00:13:49,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-20 00:13:51,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 00:13:51,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:13:51,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 2043 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 00:13:51,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:13:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1523 trivial. 0 not checked. [2022-07-20 00:13:54,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:13:54,228 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:13:54,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080946951] [2022-07-20 00:13:54,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080946951] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:13:54,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:13:54,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 00:13:54,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830174636] [2022-07-20 00:13:54,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:13:54,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:13:54,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:13:54,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:13:54,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:13:54,231 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) [2022-07-20 00:13:59,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:13:59,632 INFO L93 Difference]: Finished difference Result 127518 states and 300954 transitions. [2022-07-20 00:13:59,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:13:59,633 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 [2022-07-20 00:13:59,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:14:01,588 INFO L225 Difference]: With dead ends: 127518 [2022-07-20 00:14:01,588 INFO L226 Difference]: Without dead ends: 85058 [2022-07-20 00:14:03,030 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 [2022-07-20 00:14:03,032 INFO L413 NwaCegarLoop]: 4913 mSDtfsCounter, 3924 mSDsluCounter, 13769 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-07-20 00:14:03,032 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] [2022-07-20 00:14:03,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85058 states. [2022-07-20 00:14:09,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85058 to 84896. [2022-07-20 00:14:09,208 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) [2022-07-20 00:14:12,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84896 states to 84896 states and 187450 transitions. [2022-07-20 00:14:12,140 INFO L78 Accepts]: Start accepts. Automaton has 84896 states and 187450 transitions. Word has length 314 [2022-07-20 00:14:12,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:14:12,141 INFO L495 AbstractCegarLoop]: Abstraction has 84896 states and 187450 transitions. [2022-07-20 00:14:12,141 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) [2022-07-20 00:14:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 84896 states and 187450 transitions. [2022-07-20 00:14:12,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-07-20 00:14:12,144 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:14:12,145 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] [2022-07-20 00:14:12,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-20 00:14:12,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:14:12,371 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:14:12,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:14:12,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1294263860, now seen corresponding path program 1 times [2022-07-20 00:14:12,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:14:12,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650748793] [2022-07-20 00:14:12,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:14:12,374 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:14:12,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:14:12,377 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) [2022-07-20 00:14:12,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-20 00:14:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:18,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 2940 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-20 00:14:18,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:14:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 265 proven. 21 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2022-07-20 00:14:19,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:14:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 123 proven. 62 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2022-07-20 00:14:23,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:14:23,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650748793] [2022-07-20 00:14:23,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650748793] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:14:23,053 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:14:23,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2022-07-20 00:14:23,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134597965] [2022-07-20 00:14:23,054 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:14:23,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-07-20 00:14:23,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:14:23,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-07-20 00:14:23,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2022-07-20 00:14:23,056 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) [2022-07-20 00:14:37,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:14:37,144 INFO L93 Difference]: Finished difference Result 169946 states and 439901 transitions. [2022-07-20 00:14:37,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-20 00:14:37,146 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 [2022-07-20 00:14:37,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:14:38,574 INFO L225 Difference]: With dead ends: 169946 [2022-07-20 00:14:38,587 INFO L226 Difference]: Without dead ends: 84928 [2022-07-20 00:14:44,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2022-07-20 00:14:44,100 INFO L413 NwaCegarLoop]: 3935 mSDtfsCounter, 41 mSDsluCounter, 43223 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 47158 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:14:44,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 47158 Invalid, 409 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [52 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 00:14:44,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84928 states.