./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:12:15,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:12:15,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:12:15,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:12:15,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:12:15,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:12:15,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:12:15,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:12:15,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:12:15,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:12:15,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:12:15,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:12:15,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:12:15,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:12:15,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:12:15,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:12:15,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:12:15,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:12:15,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:12:15,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:12:15,596 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:12:15,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:12:15,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:12:15,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:12:15,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:12:15,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:12:15,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:12:15,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:12:15,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:12:15,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:12:15,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:12:15,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:12:15,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:12:15,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:12:15,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:12:15,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:12:15,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:12:15,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:12:15,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:12:15,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:12:15,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:12:15,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:12:15,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:12:15,655 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:12:15,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:12:15,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:12:15,656 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:12:15,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:12:15,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:12:15,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:12:15,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:12:15,657 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:12:15,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:12:15,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:12:15,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:12:15,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:12:15,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:12:15,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:12:15,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:12:15,660 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:12:15,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:12:15,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:12:15,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:12:15,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:12:15,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:12:15,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:12:15,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:12:15,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:12:15,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:12:15,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:12:15,662 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:12:15,663 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:12:15,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:12:15,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2022-07-19 23:12:15,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:12:15,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:12:15,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:12:15,901 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:12:15,902 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:12:15,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-07-19 23:12:15,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed77395c/9d2abf06b2ce44afa4761afcab22f9cd/FLAGb3d14d010 [2022-07-19 23:12:16,730 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:12:16,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-07-19 23:12:16,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed77395c/9d2abf06b2ce44afa4761afcab22f9cd/FLAGb3d14d010 [2022-07-19 23:12:16,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed77395c/9d2abf06b2ce44afa4761afcab22f9cd [2022-07-19 23:12:16,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:12:16,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:12:16,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:12:16,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:12:16,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:12:16,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:12:16" (1/1) ... [2022-07-19 23:12:16,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404e99db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:16, skipping insertion in model container [2022-07-19 23:12:16,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:12:16" (1/1) ... [2022-07-19 23:12:16,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:12:16,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:12:18,344 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-07-19 23:12:18,456 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-19 23:12:18,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:12:18,489 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:12:18,695 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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) [2022-07-19 23:12:18,707 INFO L158 Benchmark]: Toolchain (without parser) took 1897.93ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 75.6MB in the beginning and 67.2MB in the end (delta: 8.4MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-07-19 23:12:18,708 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:12:18,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1894.55ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 75.3MB in the beginning and 67.2MB in the end (delta: 8.2MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-07-19 23:12:18,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1894.55ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 75.3MB in the beginning and 67.2MB in the end (delta: 8.2MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:12:20,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:12:20,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:12:20,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:12:20,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:12:20,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:12:20,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:12:20,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:12:20,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:12:20,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:12:20,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:12:20,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:12:20,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:12:20,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:12:20,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:12:20,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:12:20,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:12:20,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:12:20,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:12:20,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:12:20,606 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:12:20,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:12:20,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:12:20,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:12:20,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:12:20,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:12:20,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:12:20,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:12:20,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:12:20,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:12:20,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:12:20,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:12:20,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:12:20,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:12:20,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:12:20,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:12:20,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:12:20,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:12:20,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:12:20,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:12:20,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:12:20,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:12:20,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 23:12:20,663 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:12:20,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:12:20,664 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:12:20,664 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:12:20,665 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:12:20,665 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:12:20,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:12:20,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:12:20,667 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:12:20,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:12:20,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:12:20,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:12:20,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:12:20,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:12:20,669 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 23:12:20,669 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 23:12:20,669 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 23:12:20,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:12:20,669 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:12:20,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:12:20,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:12:20,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:12:20,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:12:20,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:12:20,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:12:20,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:12:20,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:12:20,671 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 23:12:20,671 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 23:12:20,672 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:12:20,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:12:20,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:12:20,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 23:12:20,673 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2022-07-19 23:12:20,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:12:21,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:12:21,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:12:21,005 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:12:21,006 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:12:21,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-07-19 23:12:21,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b39b896/9ab6cdb137684290ba3d328683cb3ce3/FLAGf536813a6 [2022-07-19 23:12:21,818 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:12:21,819 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-07-19 23:12:21,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b39b896/9ab6cdb137684290ba3d328683cb3ce3/FLAGf536813a6 [2022-07-19 23:12:22,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b39b896/9ab6cdb137684290ba3d328683cb3ce3 [2022-07-19 23:12:22,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:12:22,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:12:22,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:12:22,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:12:22,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:12:22,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:12:22" (1/1) ... [2022-07-19 23:12:22,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc3ab5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:22, skipping insertion in model container [2022-07-19 23:12:22,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:12:22" (1/1) ... [2022-07-19 23:12:22,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:12:22,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:12:23,473 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-07-19 23:12:23,622 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-19 23:12:23,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:12:23,666 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 23:12:23,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:12:23,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-07-19 23:12:23,946 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-19 23:12:23,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:12:23,964 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:12:24,217 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-07-19 23:12:24,228 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-19 23:12:24,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:12:24,354 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:12:24,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:24 WrapperNode [2022-07-19 23:12:24,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:12:24,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:12:24,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:12:24,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:12:24,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:24" (1/1) ... [2022-07-19 23:12:24,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:24" (1/1) ... [2022-07-19 23:12:24,559 INFO L137 Inliner]: procedures = 274, calls = 1650, calls flagged for inlining = 99, calls inlined = 32, statements flattened = 1331 [2022-07-19 23:12:24,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:12:24,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:12:24,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:12:24,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:12:24,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:24" (1/1) ... [2022-07-19 23:12:24,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:24" (1/1) ... [2022-07-19 23:12:24,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:24" (1/1) ... [2022-07-19 23:12:24,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:24" (1/1) ... [2022-07-19 23:12:24,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:24" (1/1) ... [2022-07-19 23:12:24,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:24" (1/1) ... [2022-07-19 23:12:24,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:24" (1/1) ... [2022-07-19 23:12:24,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:12:24,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:12:24,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:12:24,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:12:24,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:24" (1/1) ... [2022-07-19 23:12:24,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:12:24,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:12:24,698 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) [2022-07-19 23:12:24,719 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 [2022-07-19 23:12:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2022-07-19 23:12:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2022-07-19 23:12:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 23:12:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-19 23:12:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 23:12:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:12:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 23:12:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:12:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-07-19 23:12:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-07-19 23:12:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:12:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:12:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2022-07-19 23:12:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2022-07-19 23:12:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:12:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:12:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:12:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:12:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-19 23:12:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-19 23:12:24,743 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 23:12:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 23:12:24,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:12:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:12:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-19 23:12:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-19 23:12:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-19 23:12:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 23:12:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 23:12:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:12:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 23:12:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-07-19 23:12:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-07-19 23:12:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:12:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-19 23:12:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 23:12:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 23:12:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 23:12:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-19 23:12:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-19 23:12:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-19 23:12:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-19 23:12:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-07-19 23:12:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-07-19 23:12:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 23:12:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 23:12:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2022-07-19 23:12:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2022-07-19 23:12:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2022-07-19 23:12:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2022-07-19 23:12:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:12:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:12:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-19 23:12:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-19 23:12:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-07-19 23:12:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-07-19 23:12:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 23:12:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 23:12:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 23:12:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 23:12:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-19 23:12:24,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-19 23:12:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:12:24,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:12:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:12:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:12:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:12:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 23:12:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 23:12:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 23:12:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2022-07-19 23:12:24,756 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2022-07-19 23:12:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 23:12:24,756 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 23:12:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-19 23:12:24,756 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-19 23:12:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 23:12:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:12:24,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:12:25,078 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:12:25,080 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:12:31,401 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:12:31,410 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:12:31,411 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:12:31,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:12:31 BoogieIcfgContainer [2022-07-19 23:12:31,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:12:31,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:12:31,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:12:31,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:12:31,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:12:22" (1/3) ... [2022-07-19 23:12:31,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fee2090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:12:31, skipping insertion in model container [2022-07-19 23:12:31,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:12:24" (2/3) ... [2022-07-19 23:12:31,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fee2090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:12:31, skipping insertion in model container [2022-07-19 23:12:31,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:12:31" (3/3) ... [2022-07-19 23:12:31,421 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-07-19 23:12:31,443 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:12:31,444 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:12:31,509 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:12:31,515 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@7a4bd666, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6f24b660 [2022-07-19 23:12:31,516 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:12:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-07-19 23:12:31,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-19 23:12:31,529 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:31,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:12:31,530 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:31,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:31,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1403411196, now seen corresponding path program 1 times [2022-07-19 23:12:31,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:12:31,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168863727] [2022-07-19 23:12:31,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:31,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:12:31,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:12:31,555 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) [2022-07-19 23:12:31,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 23:12:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:32,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:12:32,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:12:32,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:12:32,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:12:32,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:12:32,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168863727] [2022-07-19 23:12:32,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168863727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:32,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:32,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:12:32,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827130439] [2022-07-19 23:12:32,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:32,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:12:32,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:12:32,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:12:32,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:32,553 INFO L87 Difference]: Start difference. First operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:32,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:12:32,830 INFO L93 Difference]: Finished difference Result 736 states and 1044 transitions. [2022-07-19 23:12:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:12:32,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-07-19 23:12:32,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:12:32,848 INFO L225 Difference]: With dead ends: 736 [2022-07-19 23:12:32,848 INFO L226 Difference]: Without dead ends: 414 [2022-07-19 23:12:32,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:32,856 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 142 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:12:32,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 879 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 23:12:32,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-07-19 23:12:32,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 399. [2022-07-19 23:12:32,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 306 states have (on average 1.4248366013071896) internal successors, (436), 316 states have internal predecessors, (436), 62 states have call successors, (62), 31 states have call predecessors, (62), 30 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-07-19 23:12:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 551 transitions. [2022-07-19 23:12:32,919 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 551 transitions. Word has length 17 [2022-07-19 23:12:32,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:12:32,920 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 551 transitions. [2022-07-19 23:12:32,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:32,920 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 551 transitions. [2022-07-19 23:12:32,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-19 23:12:32,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:32,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:12:32,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-19 23:12:33,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:12:33,145 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:33,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:33,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1255176370, now seen corresponding path program 1 times [2022-07-19 23:12:33,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:12:33,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021733560] [2022-07-19 23:12:33,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:33,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:12:33,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:12:33,149 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) [2022-07-19 23:12:33,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 23:12:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:33,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:12:33,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:12:33,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:12:33,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:12:33,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:12:33,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021733560] [2022-07-19 23:12:33,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021733560] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:33,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:33,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:12:33,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978930880] [2022-07-19 23:12:33,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:33,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:12:33,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:12:33,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:12:33,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:12:33,880 INFO L87 Difference]: Start difference. First operand 399 states and 551 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:34,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:12:34,052 INFO L93 Difference]: Finished difference Result 826 states and 1142 transitions. [2022-07-19 23:12:34,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:12:34,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-19 23:12:34,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:12:34,060 INFO L225 Difference]: With dead ends: 826 [2022-07-19 23:12:34,060 INFO L226 Difference]: Without dead ends: 430 [2022-07-19 23:12:34,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:12:34,064 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 41 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:12:34,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 1275 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:12:34,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-07-19 23:12:34,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 373. [2022-07-19 23:12:34,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 290 states have (on average 1.4379310344827587) internal successors, (417), 299 states have internal predecessors, (417), 56 states have call successors, (56), 27 states have call predecessors, (56), 26 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-07-19 23:12:34,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 520 transitions. [2022-07-19 23:12:34,110 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 520 transitions. Word has length 19 [2022-07-19 23:12:34,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:12:34,111 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 520 transitions. [2022-07-19 23:12:34,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:34,111 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 520 transitions. [2022-07-19 23:12:34,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-19 23:12:34,117 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:34,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:12:34,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 23:12:34,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:12:34,337 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:34,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:34,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1312434672, now seen corresponding path program 1 times [2022-07-19 23:12:34,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:12:34,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582960630] [2022-07-19 23:12:34,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:34,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:12:34,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:12:34,341 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) [2022-07-19 23:12:34,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 23:12:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:35,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:12:35,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:12:35,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:12:35,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:12:35,093 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:12:35,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [582960630] [2022-07-19 23:12:35,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [582960630] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:35,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:35,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:12:35,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579854169] [2022-07-19 23:12:35,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:35,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:12:35,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:12:35,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:12:35,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:35,096 INFO L87 Difference]: Start difference. First operand 373 states and 520 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:35,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:12:35,209 INFO L93 Difference]: Finished difference Result 375 states and 521 transitions. [2022-07-19 23:12:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:12:35,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-19 23:12:35,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:12:35,211 INFO L225 Difference]: With dead ends: 375 [2022-07-19 23:12:35,212 INFO L226 Difference]: Without dead ends: 372 [2022-07-19 23:12:35,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:35,213 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 408 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:12:35,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 423 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:12:35,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-07-19 23:12:35,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-07-19 23:12:35,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 290 states have (on average 1.4344827586206896) internal successors, (416), 298 states have internal predecessors, (416), 55 states have call successors, (55), 27 states have call predecessors, (55), 26 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-07-19 23:12:35,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 518 transitions. [2022-07-19 23:12:35,228 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 518 transitions. Word has length 19 [2022-07-19 23:12:35,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:12:35,228 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 518 transitions. [2022-07-19 23:12:35,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:35,228 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 518 transitions. [2022-07-19 23:12:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-19 23:12:35,229 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:35,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:12:35,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 23:12:35,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:12:35,446 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:35,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:35,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2030613114, now seen corresponding path program 1 times [2022-07-19 23:12:35,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:12:35,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1716079935] [2022-07-19 23:12:35,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:35,448 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:12:35,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:12:35,450 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) [2022-07-19 23:12:35,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 23:12:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:36,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:12:36,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:12:36,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:12:36,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:12:36,233 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:12:36,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1716079935] [2022-07-19 23:12:36,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1716079935] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:36,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:36,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:12:36,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872816463] [2022-07-19 23:12:36,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:36,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:12:36,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:12:36,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:12:36,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:36,235 INFO L87 Difference]: Start difference. First operand 372 states and 518 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:36,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:12:36,367 INFO L93 Difference]: Finished difference Result 379 states and 522 transitions. [2022-07-19 23:12:36,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:12:36,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-07-19 23:12:36,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:12:36,370 INFO L225 Difference]: With dead ends: 379 [2022-07-19 23:12:36,370 INFO L226 Difference]: Without dead ends: 375 [2022-07-19 23:12:36,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:36,371 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 391 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:12:36,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 429 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:12:36,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2022-07-19 23:12:36,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 373. [2022-07-19 23:12:36,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 292 states have (on average 1.4246575342465753) internal successors, (416), 298 states have internal predecessors, (416), 53 states have call successors, (53), 28 states have call predecessors, (53), 27 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-07-19 23:12:36,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 516 transitions. [2022-07-19 23:12:36,386 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 516 transitions. Word has length 20 [2022-07-19 23:12:36,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:12:36,386 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 516 transitions. [2022-07-19 23:12:36,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:36,387 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 516 transitions. [2022-07-19 23:12:36,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-19 23:12:36,387 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:36,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:12:36,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 23:12:36,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:12:36,605 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:36,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:36,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1475654093, now seen corresponding path program 1 times [2022-07-19 23:12:36,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:12:36,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1834639761] [2022-07-19 23:12:36,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:36,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:12:36,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:12:36,608 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:12:36,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 23:12:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:37,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:12:37,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:12:37,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:12:37,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:12:37,379 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:12:37,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1834639761] [2022-07-19 23:12:37,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1834639761] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:37,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:37,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:12:37,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114137100] [2022-07-19 23:12:37,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:37,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:12:37,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:12:37,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:12:37,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:37,380 INFO L87 Difference]: Start difference. First operand 373 states and 516 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:37,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:12:37,476 INFO L93 Difference]: Finished difference Result 375 states and 517 transitions. [2022-07-19 23:12:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:12:37,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-07-19 23:12:37,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:12:37,479 INFO L225 Difference]: With dead ends: 375 [2022-07-19 23:12:37,479 INFO L226 Difference]: Without dead ends: 372 [2022-07-19 23:12:37,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:37,480 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 400 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:12:37,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 417 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:12:37,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-07-19 23:12:37,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-07-19 23:12:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 292 states have (on average 1.4212328767123288) internal successors, (415), 297 states have internal predecessors, (415), 52 states have call successors, (52), 28 states have call predecessors, (52), 27 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-07-19 23:12:37,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 514 transitions. [2022-07-19 23:12:37,495 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 514 transitions. Word has length 21 [2022-07-19 23:12:37,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:12:37,495 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 514 transitions. [2022-07-19 23:12:37,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:37,496 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 514 transitions. [2022-07-19 23:12:37,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-19 23:12:37,497 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:37,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:12:37,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-19 23:12:37,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:12:37,716 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:37,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:37,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1499217053, now seen corresponding path program 1 times [2022-07-19 23:12:37,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:12:37,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299294824] [2022-07-19 23:12:37,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:37,717 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:12:37,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:12:37,719 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:12:37,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-19 23:12:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:38,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:12:38,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:12:38,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:12:38,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:12:38,378 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:12:38,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299294824] [2022-07-19 23:12:38,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299294824] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:38,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:38,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:12:38,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776599769] [2022-07-19 23:12:38,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:38,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:12:38,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:12:38,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:12:38,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:38,380 INFO L87 Difference]: Start difference. First operand 372 states and 514 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:38,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:12:38,524 INFO L93 Difference]: Finished difference Result 552 states and 772 transitions. [2022-07-19 23:12:38,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:12:38,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-19 23:12:38,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:12:38,528 INFO L225 Difference]: With dead ends: 552 [2022-07-19 23:12:38,528 INFO L226 Difference]: Without dead ends: 548 [2022-07-19 23:12:38,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:38,530 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 152 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:12:38,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 826 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:12:38,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-07-19 23:12:38,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 546. [2022-07-19 23:12:38,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 439 states have (on average 1.4464692482915718) internal successors, (635), 445 states have internal predecessors, (635), 68 states have call successors, (68), 40 states have call predecessors, (68), 38 states have return successors, (63), 61 states have call predecessors, (63), 63 states have call successors, (63) [2022-07-19 23:12:38,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 766 transitions. [2022-07-19 23:12:38,560 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 766 transitions. Word has length 22 [2022-07-19 23:12:38,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:12:38,560 INFO L495 AbstractCegarLoop]: Abstraction has 546 states and 766 transitions. [2022-07-19 23:12:38,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:38,560 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 766 transitions. [2022-07-19 23:12:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-19 23:12:38,561 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:38,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:12:38,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-19 23:12:38,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:12:38,762 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:38,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:38,763 INFO L85 PathProgramCache]: Analyzing trace with hash -769053066, now seen corresponding path program 1 times [2022-07-19 23:12:38,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:12:38,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433146001] [2022-07-19 23:12:38,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:38,764 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:12:38,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:12:38,765 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:12:38,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-19 23:12:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:39,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:12:39,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:12:39,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:12:39,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:12:39,415 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:12:39,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433146001] [2022-07-19 23:12:39,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433146001] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:39,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:39,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:12:39,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977689269] [2022-07-19 23:12:39,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:39,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:12:39,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:12:39,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:12:39,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:39,417 INFO L87 Difference]: Start difference. First operand 546 states and 766 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:39,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:12:39,523 INFO L93 Difference]: Finished difference Result 548 states and 767 transitions. [2022-07-19 23:12:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:12:39,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-07-19 23:12:39,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:12:39,543 INFO L225 Difference]: With dead ends: 548 [2022-07-19 23:12:39,543 INFO L226 Difference]: Without dead ends: 527 [2022-07-19 23:12:39,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:39,544 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 396 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:12:39,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 416 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:12:39,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2022-07-19 23:12:39,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2022-07-19 23:12:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 425 states have (on average 1.4470588235294117) internal successors, (615), 430 states have internal predecessors, (615), 64 states have call successors, (64), 39 states have call predecessors, (64), 37 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2022-07-19 23:12:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 739 transitions. [2022-07-19 23:12:39,566 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 739 transitions. Word has length 23 [2022-07-19 23:12:39,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:12:39,566 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 739 transitions. [2022-07-19 23:12:39,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:12:39,567 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 739 transitions. [2022-07-19 23:12:39,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-07-19 23:12:39,568 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:39,568 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:12:39,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-19 23:12:39,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:12:39,784 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:39,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:39,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1664175646, now seen corresponding path program 1 times [2022-07-19 23:12:39,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:12:39,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [326408445] [2022-07-19 23:12:39,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:39,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:12:39,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:12:39,792 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:12:39,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-19 23:12:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:40,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:12:40,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:12:40,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 23:12:40,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:12:40,619 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:12:40,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [326408445] [2022-07-19 23:12:40,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [326408445] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:40,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:40,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:12:40,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997251592] [2022-07-19 23:12:40,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:40,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:12:40,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:12:40,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:12:40,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:40,622 INFO L87 Difference]: Start difference. First operand 527 states and 739 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 23:12:40,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:12:40,750 INFO L93 Difference]: Finished difference Result 1050 states and 1474 transitions. [2022-07-19 23:12:40,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:12:40,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2022-07-19 23:12:40,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:12:40,754 INFO L225 Difference]: With dead ends: 1050 [2022-07-19 23:12:40,754 INFO L226 Difference]: Without dead ends: 526 [2022-07-19 23:12:40,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:40,757 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 384 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:12:40,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 690 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:12:40,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2022-07-19 23:12:40,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2022-07-19 23:12:40,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 425 states have (on average 1.4423529411764706) internal successors, (613), 429 states have internal predecessors, (613), 63 states have call successors, (63), 39 states have call predecessors, (63), 37 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-07-19 23:12:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 734 transitions. [2022-07-19 23:12:40,780 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 734 transitions. Word has length 62 [2022-07-19 23:12:40,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:12:40,781 INFO L495 AbstractCegarLoop]: Abstraction has 526 states and 734 transitions. [2022-07-19 23:12:40,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 23:12:40,781 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 734 transitions. [2022-07-19 23:12:40,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-19 23:12:40,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:40,784 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:12:40,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-19 23:12:41,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:12:41,004 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:41,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:41,004 INFO L85 PathProgramCache]: Analyzing trace with hash -656103517, now seen corresponding path program 1 times [2022-07-19 23:12:41,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:12:41,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752712714] [2022-07-19 23:12:41,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:41,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:12:41,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:12:41,007 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:12:41,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-19 23:12:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:41,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:12:41,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:12:41,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 23:12:41,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:12:41,789 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:12:41,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752712714] [2022-07-19 23:12:41,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752712714] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:41,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:41,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:12:41,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037990700] [2022-07-19 23:12:41,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:41,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:12:41,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:12:41,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:12:41,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:41,791 INFO L87 Difference]: Start difference. First operand 526 states and 734 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 23:12:41,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:12:41,903 INFO L93 Difference]: Finished difference Result 528 states and 735 transitions. [2022-07-19 23:12:41,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:12:41,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2022-07-19 23:12:41,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:12:41,906 INFO L225 Difference]: With dead ends: 528 [2022-07-19 23:12:41,906 INFO L226 Difference]: Without dead ends: 525 [2022-07-19 23:12:41,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:41,908 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 1 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:12:41,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 809 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:12:41,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-07-19 23:12:41,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2022-07-19 23:12:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 425 states have (on average 1.44) internal successors, (612), 428 states have internal predecessors, (612), 62 states have call successors, (62), 39 states have call predecessors, (62), 37 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-07-19 23:12:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 732 transitions. [2022-07-19 23:12:41,934 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 732 transitions. Word has length 71 [2022-07-19 23:12:41,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:12:41,935 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 732 transitions. [2022-07-19 23:12:41,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 23:12:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 732 transitions. [2022-07-19 23:12:41,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-19 23:12:41,937 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:41,937 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:12:41,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-19 23:12:42,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:12:42,159 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:42,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:42,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1176347224, now seen corresponding path program 1 times [2022-07-19 23:12:42,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:12:42,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1941965430] [2022-07-19 23:12:42,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:42,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:12:42,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:12:42,163 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:12:42,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-19 23:13:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 23:13:07,622 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 23:13:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 23:13:46,108 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-19 23:13:46,108 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 23:13:46,109 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 23:13:46,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-19 23:13:46,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:13:46,326 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:13:46,330 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 23:13:46,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:13:46 BoogieIcfgContainer [2022-07-19 23:13:46,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 23:13:46,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 23:13:46,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 23:13:46,541 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 23:13:46,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:12:31" (3/4) ... [2022-07-19 23:13:46,544 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 23:13:46,544 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 23:13:46,544 INFO L158 Benchmark]: Toolchain (without parser) took 84465.75ms. Allocated memory was 65.0MB in the beginning and 180.4MB in the end (delta: 115.3MB). Free memory was 36.2MB in the beginning and 89.6MB in the end (delta: -53.4MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2022-07-19 23:13:46,545 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:13:46,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2275.76ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 36.1MB in the beginning and 33.8MB in the end (delta: 2.2MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2022-07-19 23:13:46,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.84ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 33.4MB in the beginning and 82.3MB in the end (delta: -48.8MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-07-19 23:13:46,546 INFO L158 Benchmark]: Boogie Preprocessor took 103.29ms. Allocated memory is still 136.3MB. Free memory was 82.3MB in the beginning and 73.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 23:13:46,546 INFO L158 Benchmark]: RCFGBuilder took 6748.91ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 73.1MB in the beginning and 66.1MB in the end (delta: 7.1MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2022-07-19 23:13:46,547 INFO L158 Benchmark]: TraceAbstraction took 75124.59ms. Allocated memory is still 180.4MB. Free memory was 65.0MB in the beginning and 89.6MB in the end (delta: -24.6MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2022-07-19 23:13:46,547 INFO L158 Benchmark]: Witness Printer took 3.46ms. Allocated memory is still 180.4MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:13:46,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2275.76ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 36.1MB in the beginning and 33.8MB in the end (delta: 2.2MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.84ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 33.4MB in the beginning and 82.3MB in the end (delta: -48.8MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.29ms. Allocated memory is still 136.3MB. Free memory was 82.3MB in the beginning and 73.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6748.91ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 73.1MB in the beginning and 66.1MB in the end (delta: 7.1MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * TraceAbstraction took 75124.59ms. Allocated memory is still 180.4MB. Free memory was 65.0MB in the beginning and 89.6MB in the end (delta: -24.6MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Witness Printer took 3.46ms. Allocated memory is still 180.4MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 3473. Possible FailurePath: [L3298] int ldv_state_variable_3 ; [L3299] int ldv_state_variable_1 ; [L3300] int ldv_state_variable_2 ; [L3301] int ref_cnt ; [L3302] int ldv_state_variable_0 ; [L3412] int rc_core_debug ; [L3472] static struct list_head rc_map_list = {& rc_map_list, & rc_map_list}; [L3473-L3474] static spinlock_t rc_map_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "rc_map_lock", 0, 0UL}}}}; [L3551] static struct rc_map_table empty[1U] = { {42U, 152U}}; [L3552-L3559] static struct rc_map_list empty_map = {{0, 0}, {(struct rc_map_table *)(& empty), 1U, 0U, 0U, 0, "rc-empty", {{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}}}; [L4237-L4238] static struct class ir_input_class = {"rc", 0, 0, 0, 0, 0, 0, & ir_devnode, 0, 0, 0, 0, 0, 0, 0, 0}; [L4239-L4251] static struct __anonstruct_proto_names_168 proto_names[12U] = { {0ULL, (char *)"none"}, {2ULL, (char *)"other"}, {1ULL, (char *)"unknown"}, {24ULL, (char *)"rc-5"}, {1024ULL, (char *)"nec"}, {253952ULL, (char *)"rc-6"}, {64ULL, (char *)"jvc"}, {896ULL, (char *)"sony"}, {32ULL, (char *)"rc-5-sz"}, {2048ULL, (char *)"sanyo"}, {4096ULL, (char *)"mce_kbd"}, {4ULL, (char *)"lirc"}}; [L4578-L4580] static struct device_attribute dev_attr_protocols = {{"protocols", 420U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_protocols, & store_protocols}; [L4581] static struct attribute *rc_dev_attrs[2U] = { & dev_attr_protocols.attr, 0}; [L4582] static struct attribute_group rc_dev_attr_grp = {0, 0, (struct attribute **)(& rc_dev_attrs)}; [L4583] static struct attribute_group const *rc_dev_attr_groups[2U] = { (struct attribute_group const *)(& rc_dev_attr_grp), 0}; [L4584-L4585] static struct device_type rc_dev_type = {0, (struct attribute_group const **)(& rc_dev_attr_groups), & rc_dev_uevent, 0, & rc_dev_release, 0}; [L4884] char *ldvarg3 ; [L4885] struct device *dev_attr_protocols_group0 ; [L4886] struct kobj_uevent_env *ldvarg0 ; [L4887] char *ldvarg5 ; [L4888] struct device *ldvarg1 ; [L4889] int ldv_retval_0 ; [L4890] size_t ldvarg4 ; [L4892] struct device_attribute *dev_attr_protocols_group1 ; [L4894] struct device *rc_dev_type_group0 ; [L4895] umode_t *ldvarg2 ; [L5297] static struct list_head ir_raw_client_list = {& ir_raw_client_list, & ir_raw_client_list}; [L5298-L5301] static struct mutex ir_raw_handler_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "ir_raw_handler_lock.wait_lock", 0, 0UL}}}}, {& ir_raw_handler_lock.wait_list, & ir_raw_handler_lock.wait_list}, 0, 0, (void *)(& ir_raw_handler_lock), {0, {0, 0}, "ir_raw_handler_lock", 0, 0UL}}; [L5302] static struct list_head ir_raw_handler_list = {& ir_raw_handler_list, & ir_raw_handler_list}; [L5303] static u64 available_protocols ; [L5304] static struct work_struct wq_load ; [L6040] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [L6143] static int ldv_mutex_ir_raw_handler_lock ; [L6245] static int ldv_mutex_lock ; [L6347] static int ldv_mutex_lock_of_rc_dev ; [L6449] static int ldv_mutex_mutex_of_device ; VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:0}, dev_attr_protocols_group1={0:0}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=0, ldv_mutex_ir_raw_handler_lock=0, ldv_mutex_lock=0, ldv_mutex_lock_of_rc_dev=0, ldv_mutex_mutex_of_device=0, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4898] int tmp ; [L4899] int tmp___0 ; [L4900] int tmp___1 ; [L4901] int tmp___2 ; [L4902] int tmp___3 ; [L4904] ldvarg0 = (struct kobj_uevent_env*) __VERIFIER_nondet_long () [L4905] ldvarg1 = (struct device*) __VERIFIER_nondet_long () [L4906] ldvarg2 = (umode_t *) __VERIFIER_nondet_long () [L4907] ldvarg3 = (char*) __VERIFIER_nondet_long () [L4908] ldvarg4 = (size_t) __VERIFIER_nondet_long () [L4909] ldvarg5 = (char*) __VERIFIER_nondet_long () [L4910] dev_attr_protocols_group0 = (struct device *)__VERIFIER_nondet_long () [L4911] dev_attr_protocols_group1 = (struct device_attribute *)__VERIFIER_nondet_long () [L4912] rc_dev_type_group0 = (struct device*) __VERIFIER_nondet_long () [L4913] CALL ldv_initialize() [L6554] ldv_mutex_cred_guard_mutex_of_signal_struct = 1 [L6555] ldv_mutex_ir_raw_handler_lock = 1 [L6556] ldv_mutex_lock = 1 [L6557] ldv_mutex_lock_of_rc_dev = 1 [L6558] ldv_mutex_mutex_of_device = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4913] RET ldv_initialize() [L4914] ldv_state_variable_1 = 0 [L4915] ref_cnt = 0 [L4916] ldv_state_variable_0 = 1 [L4917] ldv_state_variable_3 = 0 [L4918] ldv_state_variable_2 = 0 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, wq_load={201:0}] [L4962] COND TRUE ldv_state_variable_0 != 0 [L4963] tmp___1 = __VERIFIER_nondet_int() [L4965] case 0: [L4973] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4974] COND TRUE ldv_state_variable_0 == 1 [L4975] CALL, EXPR rc_core_init() [L4861] int rc ; [L4862] struct lock_class_key __key ; [L4863] int tmp ; [L4865] CALL, EXPR __class_register(& ir_input_class, & __key) [L6590] return __VERIFIER_nondet_int(); [L4865] RET, EXPR __class_register(& ir_input_class, & __key) [L4865] tmp = __class_register(& ir_input_class, & __key) [L4866] rc = tmp VAL [__key={344:0}, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4867] COND FALSE !(rc != 0) [L4872] CALL rc_map_register(& empty_map) [L3536] CALL spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3319] FCALL _raw_spin_lock(& lock->ldv_5961.rlock) [L3536] RET spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3537] CALL list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3236] EXPR head->prev [L3236] FCALL __list_add(new, head->prev, head) [L3537] RET list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3538] CALL spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3326] FCALL _raw_spin_unlock(& lock->ldv_5961.rlock) [L3538] RET spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3539] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4872] RET rc_map_register(& empty_map) [L4873] return (0); [L4873] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4975] RET, EXPR rc_core_init() [L4975] ldv_retval_0 = rc_core_init() [L4976] COND TRUE ldv_retval_0 == 0 [L4977] ldv_state_variable_0 = 3 [L4978] ldv_state_variable_2 = 1 [L4979] ldv_state_variable_3 = 1 [L4980] ldv_state_variable_1 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4983] COND FALSE !(ldv_retval_0 != 0) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: [L5028] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5029] COND TRUE ldv_state_variable_2 == 1 [L5030] CALL show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L4254] struct rc_dev *dev ; [L4255] struct device const *__mptr ; [L4256] u64 allowed ; [L4257] u64 enabled ; [L4258] char *tmp ; [L4259] int i ; [L4260] struct _ddebug descriptor ; [L4261] long tmp___0 ; [L4262] int tmp___1 ; [L4263] int tmp___2 ; [L4265] __mptr = (struct device const *)device [L4266] dev = (struct rc_dev *)__mptr [L4267] tmp = buf VAL [__mptr={0:-9223370937343008768}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={344:0}, dev={0:-9223370937343008768}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, device={0:-9223370937343008768}, device={0:-9223370937343008768}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:202}, wq_load={201:0}] [L4268] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4272] CALL ldv_mutex_lock_6(& dev->lock) [L5099] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, lock={0:-9223370937343007541}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6383] COND TRUE ldv_mutex_lock_of_rc_dev == 1 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, lock={0:-9223370937343007541}, lock={0:-9223370937343007541}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6387] ldv_mutex_lock_of_rc_dev = 2 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, lock={0:-9223370937343007541}, lock={0:-9223370937343007541}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L5099] RET ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_func_arg1={0:-9223370937343007541}, ldv_func_arg1={0:-9223370937343007541}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L5100] FCALL mutex_lock(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_func_arg1={0:-9223370937343007541}, ldv_func_arg1={0:-9223370937343007541}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4272] RET ldv_mutex_lock_6(& dev->lock) [L4273] EXPR dev->driver_type VAL [__mptr={0:-9223370937343008768}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={344:0}, dev={0:-9223370937343008768}, dev->driver_type=-2147483648, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, device={0:-9223370937343008768}, device={0:-9223370937343008768}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:202}, wq_load={201:0}] [L4273] COND FALSE !((unsigned int )dev->driver_type == 0U) [L4277] EXPR dev->raw VAL [__mptr={0:-9223370937343008768}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={344:0}, dev={0:-9223370937343008768}, dev->raw={0:0}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, device={0:-9223370937343008768}, device={0:-9223370937343008768}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:202}, wq_load={201:0}] [L4277] COND FALSE !((unsigned long )dev->raw != (unsigned long )((struct ir_raw_event_ctrl *)0)) [L4281] return (-19L); [L4281] return (-19L); VAL [\result=-19, __mptr={0:-9223370937343008768}, available_protocols=0, buf={0:202}, buf={0:202}, dev={0:-9223370937343008768}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, device={0:-9223370937343008768}, device={0:-9223370937343008768}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:202}, wq_load={201:0}] [L5030] RET show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L5031] ldv_state_variable_2 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=0, wq_load={201:0}] [L5021] COND TRUE ldv_state_variable_2 == 1 [L5022-L5023] CALL store_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, (char const *)ldvarg5, ldvarg4) [L4333] struct rc_dev *dev ; [L4334] struct device const *__mptr ; [L4335] bool enable ; [L4336] bool disable ; [L4337] char const *tmp ; [L4338] u64 type ; [L4339] u64 mask ; [L4340] int rc ; [L4341] int i ; [L4342] int count ; [L4343] unsigned long flags ; [L4344] ssize_t ret ; [L4345] struct _ddebug descriptor ; [L4346] long tmp___0 ; [L4347] int tmp___1 ; [L4348] struct _ddebug descriptor___0 ; [L4349] long tmp___2 ; [L4350] char *tmp___3 ; [L4351] struct _ddebug descriptor___1 ; [L4352] long tmp___4 ; [L4353] struct _ddebug descriptor___2 ; [L4354] long tmp___5 ; [L4355] raw_spinlock_t *tmp___6 ; [L4356] struct _ddebug descriptor___3 ; [L4357] long tmp___7 ; [L4359] __mptr = (struct device const *)device [L4360] dev = (struct rc_dev *)__mptr [L4361] count = 0 VAL [\old(len)=204, __mptr={0:-9223370937343008768}, available_protocols=0, count=0, data={0:0}, data={207:0}, descriptor={338:0}, descriptor___0={344:0}, descriptor___1={345:0}, descriptor___2={-9223372036854775784:0}, descriptor___3={240:0}, dev={0:-9223370937343008768}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, device={0:-9223370937343008768}, device={0:-9223370937343008768}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:0}, len=204, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, type={247:0}, wq_load={201:0}] [L4362] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4366] CALL ldv_mutex_lock_8(& dev->lock) [L5115] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:0}, lock={0:-9223370937343007541}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6383] COND FALSE !(ldv_mutex_lock_of_rc_dev == 1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:0}, lock={0:-9223370937343007541}, lock={0:-9223370937343007541}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6385] CALL ldv_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6023] reach_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223370937343008768}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 317 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 74.8s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2315 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2315 mSDsluCounter, 6164 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2221 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 3943 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=546occurred in iteration=6, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 76 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 30.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 503 SizeOfPredicates, 4 NumberOfNonLiveVariables, 9793 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-19 23:13:46,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample