./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:37:25,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:37:25,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:37:25,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:37:25,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:37:25,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:37:25,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:37:25,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:37:25,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:37:25,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:37:25,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:37:25,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:37:25,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:37:25,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:37:25,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:37:25,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:37:25,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:37:25,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:37:25,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:37:25,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:37:25,708 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:37:25,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:37:25,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:37:25,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:37:25,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:37:25,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:37:25,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:37:25,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:37:25,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:37:25,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:37:25,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:37:25,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:37:25,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:37:25,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:37:25,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:37:25,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:37:25,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:37:25,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:37:25,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:37:25,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:37:25,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:37:25,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:37:25,730 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:37:25,759 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:37:25,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:37:25,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:37:25,760 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:37:25,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:37:25,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:37:25,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:37:25,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:37:25,762 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:37:25,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:37:25,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:37:25,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:37:25,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:37:25,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:37:25,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:37:25,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:37:25,764 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:37:25,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:37:25,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:37:25,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:37:25,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:37:25,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:37:25,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:37:25,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:37:25,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:37:25,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:37:25,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:37:25,766 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:37:25,767 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:37:25,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:37:25,767 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad [2022-07-20 00:37:25,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:37:25,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:37:25,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:37:25,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:37:25,999 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:37:26,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-20 00:37:26,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4d5de3da/7d56524b79aa454c84fb84f3de46f29b/FLAGa2c96528d [2022-07-20 00:37:26,781 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:37:26,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-20 00:37:26,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4d5de3da/7d56524b79aa454c84fb84f3de46f29b/FLAGa2c96528d [2022-07-20 00:37:26,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4d5de3da/7d56524b79aa454c84fb84f3de46f29b [2022-07-20 00:37:26,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:37:26,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:37:26,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:37:26,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:37:26,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:37:26,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:37:26" (1/1) ... [2022-07-20 00:37:26,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29edf42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:26, skipping insertion in model container [2022-07-20 00:37:26,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:37:26" (1/1) ... [2022-07-20 00:37:26,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:37:27,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:37:29,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2022-07-20 00:37:29,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:37:29,399 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:37:29,538 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: val = (unsigned long )old & 128UL [4816] 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:1845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:314) 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 00:37:29,543 INFO L158 Benchmark]: Toolchain (without parser) took 2696.28ms. Allocated memory was 86.0MB in the beginning and 142.6MB in the end (delta: 56.6MB). Free memory was 51.2MB in the beginning and 75.6MB in the end (delta: -24.4MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2022-07-20 00:37:29,543 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 86.0MB. Free memory was 65.8MB in the beginning and 65.8MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 00:37:29,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2693.26ms. Allocated memory was 86.0MB in the beginning and 142.6MB in the end (delta: 56.6MB). Free memory was 51.0MB in the beginning and 75.6MB in the end (delta: -24.6MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2022-07-20 00:37:29,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 86.0MB. Free memory was 65.8MB in the beginning and 65.8MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2693.26ms. Allocated memory was 86.0MB in the beginning and 142.6MB in the end (delta: 56.6MB). Free memory was 51.0MB in the beginning and 75.6MB in the end (delta: -24.6MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: val = (unsigned long )old & 128UL [4816] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: val = (unsigned long )old & 128UL [4816]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:37:31,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:37:31,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:37:31,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:37:31,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:37:31,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:37:31,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:37:31,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:37:31,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:37:31,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:37:31,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:37:31,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:37:31,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:37:31,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:37:31,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:37:31,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:37:31,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:37:31,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:37:31,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:37:31,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:37:31,322 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:37:31,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:37:31,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:37:31,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:37:31,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:37:31,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:37:31,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:37:31,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:37:31,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:37:31,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:37:31,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:37:31,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:37:31,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:37:31,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:37:31,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:37:31,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:37:31,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:37:31,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:37:31,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:37:31,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:37:31,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:37:31,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:37:31,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 00:37:31,371 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:37:31,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:37:31,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:37:31,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:37:31,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:37:31,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:37:31,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:37:31,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:37:31,374 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:37:31,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:37:31,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:37:31,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:37:31,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:37:31,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:37:31,376 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 00:37:31,376 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 00:37:31,376 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 00:37:31,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:37:31,376 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:37:31,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:37:31,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:37:31,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:37:31,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:37:31,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:37:31,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:37:31,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:37:31,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:37:31,378 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 00:37:31,378 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 00:37:31,379 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:37:31,379 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:37:31,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:37:31,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 00:37:31,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad [2022-07-20 00:37:31,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:37:31,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:37:31,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:37:31,714 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:37:31,715 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:37:31,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-20 00:37:31,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b10153934/3ac476c523d748f58bc9a4b14b183820/FLAGc7a3d01bd [2022-07-20 00:37:32,628 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:37:32,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-20 00:37:32,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b10153934/3ac476c523d748f58bc9a4b14b183820/FLAGc7a3d01bd [2022-07-20 00:37:32,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b10153934/3ac476c523d748f58bc9a4b14b183820 [2022-07-20 00:37:32,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:37:32,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:37:32,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:37:32,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:37:32,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:37:32,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:37:32" (1/1) ... [2022-07-20 00:37:32,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36606b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:32, skipping insertion in model container [2022-07-20 00:37:32,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:37:32" (1/1) ... [2022-07-20 00:37:32,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:37:32,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:37:34,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2022-07-20 00:37:35,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:37:35,153 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 00:37:35,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:37:35,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2022-07-20 00:37:35,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:37:35,770 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:37:36,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2022-07-20 00:37:36,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:37:36,602 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:37:36,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:36 WrapperNode [2022-07-20 00:37:36,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:37:36,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:37:36,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:37:36,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:37:36,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:36" (1/1) ... [2022-07-20 00:37:36,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:36" (1/1) ... [2022-07-20 00:37:37,075 INFO L137 Inliner]: procedures = 338, calls = 5840, calls flagged for inlining = 175, calls inlined = 170, statements flattened = 14645 [2022-07-20 00:37:37,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:37:37,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:37:37,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:37:37,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:37:37,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:36" (1/1) ... [2022-07-20 00:37:37,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:36" (1/1) ... [2022-07-20 00:37:37,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:36" (1/1) ... [2022-07-20 00:37:37,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:36" (1/1) ... [2022-07-20 00:37:37,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:36" (1/1) ... [2022-07-20 00:37:37,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:36" (1/1) ... [2022-07-20 00:37:37,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:36" (1/1) ... [2022-07-20 00:37:37,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:37:37,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:37:37,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:37:37,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:37:37,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:36" (1/1) ... [2022-07-20 00:37:37,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:37:37,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:37:37,576 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 00:37:37,589 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 00:37:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 00:37:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-07-20 00:37:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-07-20 00:37:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2022-07-20 00:37:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2022-07-20 00:37:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 00:37:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 00:37:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 00:37:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:37:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:37:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:37:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:37:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure adc_lsb [2022-07-20 00:37:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure adc_lsb [2022-07-20 00:37:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm_enable [2022-07-20 00:37:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm_enable [2022-07-20 00:37:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure set_in [2022-07-20 00:37:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in [2022-07-20 00:37:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-07-20 00:37:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-07-20 00:37:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:37:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:37:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-20 00:37:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-20 00:37:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2022-07-20 00:37:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2022-07-20 00:37:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:37:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:37:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:37:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:37:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2022-07-20 00:37:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2022-07-20 00:37:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:37:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:37:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:37:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:37:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove_files [2022-07-20 00:37:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove_files [2022-07-20 00:37:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2022-07-20 00:37:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2022-07-20 00:37:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2022-07-20 00:37:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2022-07-20 00:37:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 00:37:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 00:37:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_freq [2022-07-20 00:37:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_freq [2022-07-20 00:37:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2022-07-20 00:37:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2022-07-20 00:37:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure set_auto_pwm [2022-07-20 00:37:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auto_pwm [2022-07-20 00:37:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:37:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-20 00:37:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-20 00:37:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-07-20 00:37:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-07-20 00:37:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-07-20 00:37:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-07-20 00:37:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:37:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 00:37:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 00:37:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2022-07-20 00:37:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2022-07-20 00:37:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 00:37:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-07-20 00:37:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-07-20 00:37:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 00:37:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 00:37:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 00:37:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:37:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:37:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure show_auto_pwm [2022-07-20 00:37:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure show_auto_pwm [2022-07-20 00:37:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 00:37:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 00:37:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 00:37:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure it87_probe [2022-07-20 00:37:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_probe [2022-07-20 00:37:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-07-20 00:37:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-07-20 00:37:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_enable [2022-07-20 00:37:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_enable [2022-07-20 00:37:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_type [2022-07-20 00:37:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_type [2022-07-20 00:37:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-20 00:37:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-20 00:37:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_it87_data [2022-07-20 00:37:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_it87_data [2022-07-20 00:37:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2022-07-20 00:37:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2022-07-20 00:37:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-07-20 00:37:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-07-20 00:37:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-20 00:37:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-20 00:37:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-07-20 00:37:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-07-20 00:37:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm_temp_map [2022-07-20 00:37:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm_temp_map [2022-07-20 00:37:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure set_auto_temp [2022-07-20 00:37:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auto_temp [2022-07-20 00:37:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_temp_map [2022-07-20 00:37:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_temp_map [2022-07-20 00:37:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-07-20 00:37:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-07-20 00:37:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure it87_write_value [2022-07-20 00:37:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_write_value [2022-07-20 00:37:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-07-20 00:37:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-07-20 00:37:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2022-07-20 00:37:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2022-07-20 00:37:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:37:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:37:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:37:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:37:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_type [2022-07-20 00:37:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_type [2022-07-20 00:37:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:37:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:37:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:37:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2022-07-20 00:37:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2022-07-20 00:37:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:37:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:37:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure it87_read_value [2022-07-20 00:37:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_read_value [2022-07-20 00:37:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure pwm_to_reg [2022-07-20 00:37:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pwm_to_reg [2022-07-20 00:37:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_it87_data [2022-07-20 00:37:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_it87_data [2022-07-20 00:37:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure show_label [2022-07-20 00:37:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure show_label [2022-07-20 00:37:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure set_beep [2022-07-20 00:37:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beep [2022-07-20 00:37:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm [2022-07-20 00:37:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm [2022-07-20 00:37:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-20 00:37:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-20 00:37:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-20 00:37:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-20 00:37:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2022-07-20 00:37:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2022-07-20 00:37:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove [2022-07-20 00:37:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove [2022-07-20 00:37:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-20 00:37:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-20 00:37:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure it87_update_device [2022-07-20 00:37:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_update_device [2022-07-20 00:37:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure show_auto_temp [2022-07-20 00:37:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure show_auto_temp [2022-07-20 00:37:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-20 00:37:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-20 00:37:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure pwm_from_reg [2022-07-20 00:37:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pwm_from_reg [2022-07-20 00:37:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2022-07-20 00:37:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2022-07-20 00:37:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:37:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:37:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 00:37:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 00:37:39,017 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:37:39,019 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:37:39,462 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:38:12,194 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:38:12,223 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:38:12,223 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:38:12,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:38:12 BoogieIcfgContainer [2022-07-20 00:38:12,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:38:12,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:38:12,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:38:12,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:38:12,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:37:32" (1/3) ... [2022-07-20 00:38:12,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89250b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:38:12, skipping insertion in model container [2022-07-20 00:38:12,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:37:36" (2/3) ... [2022-07-20 00:38:12,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89250b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:38:12, skipping insertion in model container [2022-07-20 00:38:12,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:38:12" (3/3) ... [2022-07-20 00:38:12,234 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2022-07-20 00:38:12,246 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:38:12,246 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:38:12,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:38:12,357 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@3dced995, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7e160580 [2022-07-20 00:38:12,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:38:12,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 4141 states, 2825 states have (on average 1.4290265486725664) internal successors, (4037), 2981 states have internal predecessors, (4037), 1246 states have call successors, (1246), 69 states have call predecessors, (1246), 68 states have return successors, (1105), 1105 states have call predecessors, (1105), 1105 states have call successors, (1105) [2022-07-20 00:38:12,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6243 [2022-07-20 00:38:12,734 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:38:12,738 INFO L195 NwaCegarLoop]: trace histogram [333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 81, 81, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:38:12,738 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:38:12,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:38:12,744 INFO L85 PathProgramCache]: Analyzing trace with hash 896500142, now seen corresponding path program 1 times [2022-07-20 00:38:12,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:38:12,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201719385] [2022-07-20 00:38:12,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:38:12,778 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:38:12,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:38:12,781 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 00:38:12,789 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 00:39:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:39:09,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 28457 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-20 00:39:09,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:39:10,045 INFO L134 CoverageAnalysis]: Checked inductivity of 803052 backedges. 180220 proven. 0 refuted. 0 times theorem prover too weak. 622832 trivial. 0 not checked. [2022-07-20 00:39:10,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:39:10,047 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:39:10,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201719385] [2022-07-20 00:39:10,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201719385] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:39:10,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:39:10,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 00:39:10,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993675375] [2022-07-20 00:39:10,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:39:10,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 00:39:10,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:39:10,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 00:39:10,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 00:39:10,102 INFO L87 Difference]: Start difference. First operand has 4141 states, 2825 states have (on average 1.4290265486725664) internal successors, (4037), 2981 states have internal predecessors, (4037), 1246 states have call successors, (1246), 69 states have call predecessors, (1246), 68 states have return successors, (1105), 1105 states have call predecessors, (1105), 1105 states have call successors, (1105) Second operand has 2 states, 2 states have (on average 228.0) internal successors, (456), 2 states have internal predecessors, (456), 2 states have call successors, (424), 2 states have call predecessors, (424), 2 states have return successors, (421), 2 states have call predecessors, (421), 2 states have call successors, (421) [2022-07-20 00:39:10,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:39:10,378 INFO L93 Difference]: Finished difference Result 8277 states and 13532 transitions. [2022-07-20 00:39:10,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 00:39:10,381 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 228.0) internal successors, (456), 2 states have internal predecessors, (456), 2 states have call successors, (424), 2 states have call predecessors, (424), 2 states have return successors, (421), 2 states have call predecessors, (421), 2 states have call successors, (421) Word has length 6242 [2022-07-20 00:39:10,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:39:10,425 INFO L225 Difference]: With dead ends: 8277 [2022-07-20 00:39:10,425 INFO L226 Difference]: Without dead ends: 3993 [2022-07-20 00:39:10,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6241 GetRequests, 6241 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 00:39:10,466 INFO L413 NwaCegarLoop]: 6379 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, 6379 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 00:39:10,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6379 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:39:10,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3993 states. [2022-07-20 00:39:10,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3993 to 3993. [2022-07-20 00:39:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3993 states, 2820 states have (on average 1.3787234042553191) internal successors, (3888), 2833 states have internal predecessors, (3888), 1105 states have call successors, (1105), 68 states have call predecessors, (1105), 67 states have return successors, (1099), 1099 states have call predecessors, (1099), 1099 states have call successors, (1099) [2022-07-20 00:39:10,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3993 states to 3993 states and 6092 transitions. [2022-07-20 00:39:10,957 INFO L78 Accepts]: Start accepts. Automaton has 3993 states and 6092 transitions. Word has length 6242 [2022-07-20 00:39:10,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:39:10,960 INFO L495 AbstractCegarLoop]: Abstraction has 3993 states and 6092 transitions. [2022-07-20 00:39:10,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 228.0) internal successors, (456), 2 states have internal predecessors, (456), 2 states have call successors, (424), 2 states have call predecessors, (424), 2 states have return successors, (421), 2 states have call predecessors, (421), 2 states have call successors, (421) [2022-07-20 00:39:10,961 INFO L276 IsEmpty]: Start isEmpty. Operand 3993 states and 6092 transitions. [2022-07-20 00:39:11,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6243 [2022-07-20 00:39:11,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:39:11,312 INFO L195 NwaCegarLoop]: trace histogram [333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 81, 81, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:39:11,523 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-20 00:39:11,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2022-07-20 00:39:11,664 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 00:39:11,665 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:39:11,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:39:11,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1221434568, now seen corresponding path program 1 times [2022-07-20 00:39:11,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:39:11,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1020979143] [2022-07-20 00:39:11,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:39:11,678 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:39:11,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:39:11,680 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 00:39:11,688 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 00:40:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:40:06,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 28457 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 00:40:06,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:40:07,078 INFO L134 CoverageAnalysis]: Checked inductivity of 803052 backedges. 720 proven. 0 refuted. 0 times theorem prover too weak. 802332 trivial. 0 not checked. [2022-07-20 00:40:07,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:40:07,091 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:40:07,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1020979143] [2022-07-20 00:40:07,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1020979143] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:40:07,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:40:07,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:40:07,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807322476] [2022-07-20 00:40:07,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:40:07,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:40:07,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:40:07,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:40:07,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:40:07,113 INFO L87 Difference]: Start difference. First operand 3993 states and 6092 transitions. Second operand has 6 states, 5 states have (on average 90.4) internal successors, (452), 6 states have internal predecessors, (452), 3 states have call successors, (423), 2 states have call predecessors, (423), 4 states have return successors, (419), 3 states have call predecessors, (419), 3 states have call successors, (419) [2022-07-20 00:40:10,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:40:10,170 INFO L93 Difference]: Finished difference Result 7322 states and 11268 transitions. [2022-07-20 00:40:10,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:40:10,172 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 90.4) internal successors, (452), 6 states have internal predecessors, (452), 3 states have call successors, (423), 2 states have call predecessors, (423), 4 states have return successors, (419), 3 states have call predecessors, (419), 3 states have call successors, (419) Word has length 6242 [2022-07-20 00:40:10,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:40:10,208 INFO L225 Difference]: With dead ends: 7322 [2022-07-20 00:40:10,208 INFO L226 Difference]: Without dead ends: 3994 [2022-07-20 00:40:10,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6243 GetRequests, 6237 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:40:10,226 INFO L413 NwaCegarLoop]: 6008 mSDtfsCounter, 6 mSDsluCounter, 23860 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 29868 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-20 00:40:10,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 29868 Invalid, 668 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [81 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-20 00:40:10,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3994 states. [2022-07-20 00:40:10,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3994 to 3994. [2022-07-20 00:40:10,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3994 states, 2821 states have (on average 1.3785891527827012) internal successors, (3889), 2834 states have internal predecessors, (3889), 1105 states have call successors, (1105), 68 states have call predecessors, (1105), 67 states have return successors, (1099), 1099 states have call predecessors, (1099), 1099 states have call successors, (1099) [2022-07-20 00:40:10,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 6093 transitions. [2022-07-20 00:40:10,511 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 6093 transitions. Word has length 6242 [2022-07-20 00:40:10,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:40:10,523 INFO L495 AbstractCegarLoop]: Abstraction has 3994 states and 6093 transitions. [2022-07-20 00:40:10,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 90.4) internal successors, (452), 6 states have internal predecessors, (452), 3 states have call successors, (423), 2 states have call predecessors, (423), 4 states have return successors, (419), 3 states have call predecessors, (419), 3 states have call successors, (419) [2022-07-20 00:40:10,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 6093 transitions. [2022-07-20 00:40:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6324 [2022-07-20 00:40:10,855 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:40:10,857 INFO L195 NwaCegarLoop]: trace histogram [333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 81, 81, 81, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:40:11,068 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-20 00:40:11,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 137 [2022-07-20 00:40:11,215 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 00:40:11,215 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:40:11,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:40:11,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1454057125, now seen corresponding path program 1 times [2022-07-20 00:40:11,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:40:11,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942011839] [2022-07-20 00:40:11,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:40:11,228 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:40:11,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:40:11,229 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 00:40:11,230 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 00:41:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:08,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 29348 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 00:41:08,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:41:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 812853 backedges. 960 proven. 1 refuted. 0 times theorem prover too weak. 811892 trivial. 0 not checked. [2022-07-20 00:41:08,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:41:14,034 INFO L134 CoverageAnalysis]: Checked inductivity of 812853 backedges. 0 proven. 801 refuted. 0 times theorem prover too weak. 812052 trivial. 0 not checked. [2022-07-20 00:41:14,035 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:41:14,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942011839] [2022-07-20 00:41:14,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1942011839] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:41:14,035 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:41:14,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-20 00:41:14,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781148420] [2022-07-20 00:41:14,037 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:41:14,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 00:41:14,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:41:14,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 00:41:14,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:41:14,045 INFO L87 Difference]: Start difference. First operand 3994 states and 6093 transitions. Second operand has 11 states, 9 states have (on average 52.111111111111114) internal successors, (469), 11 states have internal predecessors, (469), 4 states have call successors, (506), 2 states have call predecessors, (506), 5 states have return successors, (503), 4 states have call predecessors, (503), 4 states have call successors, (503) [2022-07-20 00:41:18,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:41:18,358 INFO L93 Difference]: Finished difference Result 7324 states and 11270 transitions. [2022-07-20 00:41:18,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:41:18,360 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 52.111111111111114) internal successors, (469), 11 states have internal predecessors, (469), 4 states have call successors, (506), 2 states have call predecessors, (506), 5 states have return successors, (503), 4 states have call predecessors, (503), 4 states have call successors, (503) Word has length 6323 [2022-07-20 00:41:18,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:41:18,398 INFO L225 Difference]: With dead ends: 7324 [2022-07-20 00:41:18,398 INFO L226 Difference]: Without dead ends: 3995 [2022-07-20 00:41:18,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12646 GetRequests, 12635 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:41:18,421 INFO L413 NwaCegarLoop]: 6008 mSDtfsCounter, 11 mSDsluCounter, 35871 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 41879 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:41:18,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 41879 Invalid, 852 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [85 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-20 00:41:18,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3995 states. [2022-07-20 00:41:18,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3995 to 3995. [2022-07-20 00:41:18,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3995 states, 2822 states have (on average 1.378454996456414) internal successors, (3890), 2835 states have internal predecessors, (3890), 1105 states have call successors, (1105), 68 states have call predecessors, (1105), 67 states have return successors, (1099), 1099 states have call predecessors, (1099), 1099 states have call successors, (1099) [2022-07-20 00:41:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3995 states to 3995 states and 6094 transitions. [2022-07-20 00:41:18,695 INFO L78 Accepts]: Start accepts. Automaton has 3995 states and 6094 transitions. Word has length 6323 [2022-07-20 00:41:18,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:41:18,703 INFO L495 AbstractCegarLoop]: Abstraction has 3995 states and 6094 transitions. [2022-07-20 00:41:18,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 52.111111111111114) internal successors, (469), 11 states have internal predecessors, (469), 4 states have call successors, (506), 2 states have call predecessors, (506), 5 states have return successors, (503), 4 states have call predecessors, (503), 4 states have call successors, (503) [2022-07-20 00:41:18,704 INFO L276 IsEmpty]: Start isEmpty. Operand 3995 states and 6094 transitions. [2022-07-20 00:41:18,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6405 [2022-07-20 00:41:18,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:41:18,924 INFO L195 NwaCegarLoop]: trace histogram [333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 333, 162, 81, 81, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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 00:41:19,139 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-07-20 00:41:19,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 137 [2022-07-20 00:41:19,272 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 00:41:19,272 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:41:19,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:41:19,274 INFO L85 PathProgramCache]: Analyzing trace with hash -2073550552, now seen corresponding path program 2 times [2022-07-20 00:41:19,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:41:19,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043214336] [2022-07-20 00:41:19,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:41:19,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:41:19,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:41:19,288 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 00:41:19,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process