./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f81d244572c9a77eee348ee40397ea85f2dfad22a6619aa4d31ee137ff878aa4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:21:07,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:21:07,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:21:07,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:21:07,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:21:07,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:21:07,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:21:07,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:21:07,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:21:07,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:21:07,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:21:07,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:21:07,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:21:07,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:21:07,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:21:07,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:21:07,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:21:07,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:21:07,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:21:07,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:21:07,858 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:21:07,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:21:07,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:21:07,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:21:07,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:21:07,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:21:07,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:21:07,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:21:07,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:21:07,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:21:07,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:21:07,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:21:07,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:21:07,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:21:07,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:21:07,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:21:07,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:21:07,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:21:07,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:21:07,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:21:07,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:21:07,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:21:07,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:21:07,901 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:21:07,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:21:07,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:21:07,902 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:21:07,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:21:07,903 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:21:07,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:21:07,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:21:07,904 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:21:07,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:21:07,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:21:07,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:21:07,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:21:07,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:21:07,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:21:07,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:21:07,906 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:21:07,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:21:07,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:21:07,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:21:07,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:21:07,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:21:07,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:21:07,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:21:07,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:21:07,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:21:07,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:21:07,909 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:21:07,909 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:21:07,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:21:07,910 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81d244572c9a77eee348ee40397ea85f2dfad22a6619aa4d31ee137ff878aa4 [2022-07-14 00:21:08,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:21:08,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:21:08,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:21:08,120 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:21:08,121 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:21:08,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2022-07-14 00:21:08,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef53e590e/dc8ad7665c0e4e62ae03d07a4ad7ee86/FLAG06822b223 [2022-07-14 00:21:08,922 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:21:08,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2022-07-14 00:21:08,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef53e590e/dc8ad7665c0e4e62ae03d07a4ad7ee86/FLAG06822b223 [2022-07-14 00:21:09,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef53e590e/dc8ad7665c0e4e62ae03d07a4ad7ee86 [2022-07-14 00:21:09,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:21:09,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:21:09,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:21:09,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:21:09,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:21:09,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:21:09" (1/1) ... [2022-07-14 00:21:09,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3180158f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:09, skipping insertion in model container [2022-07-14 00:21:09,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:21:09" (1/1) ... [2022-07-14 00:21:09,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:21:09,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:21:10,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i[205376,205389] [2022-07-14 00:21:11,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:21:11,301 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:21:11,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i[205376,205389] [2022-07-14 00:21:11,528 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: reg = (unsigned int )((u16 )tmp___8) & 65534U [9380] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-14 00:21:11,536 INFO L158 Benchmark]: Toolchain (without parser) took 2316.12ms. Allocated memory was 104.9MB in the beginning and 260.0MB in the end (delta: 155.2MB). Free memory was 62.8MB in the beginning and 184.0MB in the end (delta: -121.2MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2022-07-14 00:21:11,537 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:21:11,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2313.36ms. Allocated memory was 104.9MB in the beginning and 260.0MB in the end (delta: 155.2MB). Free memory was 62.7MB in the beginning and 184.0MB in the end (delta: -121.3MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2022-07-14 00:21:11,539 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 104.9MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2313.36ms. Allocated memory was 104.9MB in the beginning and 260.0MB in the end (delta: 155.2MB). Free memory was 62.7MB in the beginning and 184.0MB in the end (delta: -121.3MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: reg = (unsigned int )((u16 )tmp___8) & 65534U [9380] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: reg = (unsigned int )((u16 )tmp___8) & 65534U [9380]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f81d244572c9a77eee348ee40397ea85f2dfad22a6619aa4d31ee137ff878aa4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:21:13,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:21:13,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:21:13,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:21:13,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:21:13,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:21:13,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:21:13,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:21:13,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:21:13,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:21:13,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:21:13,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:21:13,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:21:13,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:21:13,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:21:13,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:21:13,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:21:13,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:21:13,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:21:13,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:21:13,143 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:21:13,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:21:13,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:21:13,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:21:13,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:21:13,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:21:13,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:21:13,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:21:13,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:21:13,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:21:13,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:21:13,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:21:13,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:21:13,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:21:13,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:21:13,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:21:13,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:21:13,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:21:13,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:21:13,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:21:13,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:21:13,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:21:13,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 00:21:13,204 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:21:13,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:21:13,205 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:21:13,205 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:21:13,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:21:13,206 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:21:13,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:21:13,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:21:13,207 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:21:13,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:21:13,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:21:13,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:21:13,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:21:13,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:21:13,208 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 00:21:13,209 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 00:21:13,209 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 00:21:13,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:21:13,209 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:21:13,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:21:13,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:21:13,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:21:13,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:21:13,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:21:13,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:21:13,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:21:13,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:21:13,211 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 00:21:13,211 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 00:21:13,211 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:21:13,211 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:21:13,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:21:13,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 00:21:13,212 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81d244572c9a77eee348ee40397ea85f2dfad22a6619aa4d31ee137ff878aa4 [2022-07-14 00:21:13,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:21:13,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:21:13,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:21:13,553 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:21:13,565 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:21:13,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2022-07-14 00:21:13,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/027c62846/d87adb9ab4ed41cfb6ce58af28c16793/FLAG32fccdc77 [2022-07-14 00:21:14,668 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:21:14,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2022-07-14 00:21:14,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/027c62846/d87adb9ab4ed41cfb6ce58af28c16793/FLAG32fccdc77 [2022-07-14 00:21:15,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/027c62846/d87adb9ab4ed41cfb6ce58af28c16793 [2022-07-14 00:21:15,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:21:15,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:21:15,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:21:15,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:21:15,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:21:15,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:21:15" (1/1) ... [2022-07-14 00:21:15,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a95b516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:15, skipping insertion in model container [2022-07-14 00:21:15,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:21:15" (1/1) ... [2022-07-14 00:21:15,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:21:15,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:21:17,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i[205376,205389] [2022-07-14 00:21:19,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:21:19,615 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 00:21:19,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:21:19,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i[205376,205389] [2022-07-14 00:21:20,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:21:20,280 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:21:20,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i[205376,205389] [2022-07-14 00:21:20,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:21:21,124 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:21:21,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:21 WrapperNode [2022-07-14 00:21:21,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:21:21,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:21:21,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:21:21,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:21:21,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:21" (1/1) ... [2022-07-14 00:21:21,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:21" (1/1) ... [2022-07-14 00:21:21,541 INFO L137 Inliner]: procedures = 322, calls = 3868, calls flagged for inlining = 135, calls inlined = 131, statements flattened = 6144 [2022-07-14 00:21:21,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:21:21,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:21:21,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:21:21,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:21:21,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:21" (1/1) ... [2022-07-14 00:21:21,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:21" (1/1) ... [2022-07-14 00:21:21,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:21" (1/1) ... [2022-07-14 00:21:21,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:21" (1/1) ... [2022-07-14 00:21:21,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:21" (1/1) ... [2022-07-14 00:21:21,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:21" (1/1) ... [2022-07-14 00:21:21,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:21" (1/1) ... [2022-07-14 00:21:21,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:21:21,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:21:21,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:21:21,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:21:21,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:21" (1/1) ... [2022-07-14 00:21:21,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:21:21,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:21:21,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 00:21:21,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 00:21:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-14 00:21:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-14 00:21:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 00:21:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_register_led [2022-07-14 00:21:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_register_led [2022-07-14 00:21:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 00:21:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 00:21:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-14 00:21:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-14 00:21:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_add_interface [2022-07-14 00:21:22,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_add_interface [2022-07-14 00:21:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 00:21:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 00:21:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-14 00:21:22,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-14 00:21:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:21:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 00:21:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:21:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:21:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:21:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-14 00:21:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-14 00:21:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-14 00:21:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-14 00:21:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-07-14 00:21:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-07-14 00:21:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-14 00:21:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-14 00:21:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-07-14 00:21:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-07-14 00:21:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_1 [2022-07-14 00:21:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_1 [2022-07-14 00:21:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2022-07-14 00:21:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2022-07-14 00:21:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:21:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:21:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_2 [2022-07-14 00:21:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_2 [2022-07-14 00:21:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-14 00:21:22,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-14 00:21:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-14 00:21:22,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-14 00:21:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-14 00:21:22,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-14 00:21:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2022-07-14 00:21:22,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2022-07-14 00:21:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_b_rf_init [2022-07-14 00:21:22,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_b_rf_init [2022-07-14 00:21:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:21:22,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:21:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-14 00:21:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-14 00:21:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:21:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:21:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:21:22,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:21:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:21:22,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:21:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-14 00:21:22,030 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-14 00:21:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_remove_interface [2022-07-14 00:21:22,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_remove_interface [2022-07-14 00:21:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 00:21:22,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 00:21:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-14 00:21:22,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-14 00:21:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:21:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_stop [2022-07-14 00:21:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_stop [2022-07-14 00:21:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_set_anaparam [2022-07-14 00:21:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_set_anaparam [2022-07-14 00:21:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 00:21:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 00:21:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_configure_filter [2022-07-14 00:21:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_configure_filter [2022-07-14 00:21:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-14 00:21:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-14 00:21:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:21:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_rfkill_poll [2022-07-14 00:21:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_rfkill_poll [2022-07-14 00:21:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-14 00:21:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-14 00:21:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-14 00:21:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:21:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:21:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2022-07-14 00:21:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2022-07-14 00:21:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-07-14 00:21:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-07-14 00:21:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 00:21:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 00:21:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 00:21:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:21:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 00:21:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:21:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-14 00:21:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-14 00:21:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 00:21:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 00:21:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 00:21:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_config [2022-07-14 00:21:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_config [2022-07-14 00:21:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 00:21:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-14 00:21:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-14 00:21:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-14 00:21:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-14 00:21:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 00:21:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 00:21:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 00:21:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 00:21:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-07-14 00:21:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-07-14 00:21:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8_idx [2022-07-14 00:21:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8_idx [2022-07-14 00:21:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:21:22,042 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:21:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_is_radio_enabled [2022-07-14 00:21:22,043 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_is_radio_enabled [2022-07-14 00:21:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_disconnect [2022-07-14 00:21:22,043 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_disconnect [2022-07-14 00:21:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-07-14 00:21:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-07-14 00:21:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-14 00:21:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-14 00:21:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 00:21:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 00:21:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-14 00:21:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-14 00:21:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:21:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:21:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-14 00:21:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-14 00:21:22,049 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-14 00:21:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-14 00:21:22,049 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 00:21:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 00:21:22,049 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-14 00:21:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-14 00:21:22,049 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_write_phy [2022-07-14 00:21:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_write_phy [2022-07-14 00:21:22,050 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_tx [2022-07-14 00:21:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_tx [2022-07-14 00:21:22,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:21:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:21:22,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-14 00:21:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-14 00:21:22,050 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-14 00:21:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-14 00:21:22,050 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 00:21:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 00:21:22,050 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_conf_tx [2022-07-14 00:21:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_conf_tx [2022-07-14 00:21:22,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-07-14 00:21:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-07-14 00:21:22,051 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:21:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:21:22,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 00:21:22,051 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-14 00:21:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-14 00:21:22,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 00:21:22,051 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-14 00:21:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-14 00:21:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 00:21:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 00:21:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-14 00:21:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-14 00:21:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:21:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:21:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_unregister_led [2022-07-14 00:21:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_unregister_led [2022-07-14 00:21:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-14 00:21:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_init_urbs [2022-07-14 00:21:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_init_urbs [2022-07-14 00:21:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2022-07-14 00:21:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2022-07-14 00:21:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:21:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_bss_info_changed [2022-07-14 00:21:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_bss_info_changed [2022-07-14 00:21:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:21:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 00:21:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 00:21:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-14 00:21:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-14 00:21:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-14 00:21:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-14 00:21:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 00:21:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 00:21:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:21:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 00:21:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 00:21:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2022-07-14 00:21:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2022-07-14 00:21:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:21:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:21:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 00:21:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-14 00:21:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-14 00:21:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-14 00:21:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-14 00:21:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-14 00:21:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-14 00:21:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-14 00:21:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-14 00:21:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_get_tsf [2022-07-14 00:21:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_get_tsf [2022-07-14 00:21:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-14 00:21:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-14 00:21:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-14 00:21:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-14 00:21:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 00:21:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 00:21:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32_idx [2022-07-14 00:21:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32_idx [2022-07-14 00:21:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2022-07-14 00:21:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2022-07-14 00:21:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-14 00:21:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-14 00:21:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16_idx [2022-07-14 00:21:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16_idx [2022-07-14 00:21:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_cmd_reset [2022-07-14 00:21:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_cmd_reset [2022-07-14 00:21:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-14 00:21:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-14 00:21:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_prepare_multicast [2022-07-14 00:21:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_prepare_multicast [2022-07-14 00:21:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 00:21:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-14 00:21:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-14 00:21:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-14 00:21:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-14 00:21:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-14 00:21:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-14 00:21:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 00:21:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:21:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:21:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-14 00:21:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-14 00:21:22,869 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:21:22,875 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:21:25,706 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:22:11,160 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:22:11,210 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:22:11,211 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-14 00:22:11,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:22:11 BoogieIcfgContainer [2022-07-14 00:22:11,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:22:11,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:22:11,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:22:11,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:22:11,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:21:15" (1/3) ... [2022-07-14 00:22:11,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468f9485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:22:11, skipping insertion in model container [2022-07-14 00:22:11,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:21" (2/3) ... [2022-07-14 00:22:11,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468f9485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:22:11, skipping insertion in model container [2022-07-14 00:22:11,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:22:11" (3/3) ... [2022-07-14 00:22:11,226 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2022-07-14 00:22:11,246 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:22:11,254 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:22:11,424 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:22:11,429 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@7acd9bdb, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7788eb08 [2022-07-14 00:22:11,430 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:22:11,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 2462 states, 1417 states have (on average 1.2731122088920255) internal successors, (1804), 1462 states have internal predecessors, (1804), 942 states have call successors, (942), 102 states have call predecessors, (942), 101 states have return successors, (935), 920 states have call predecessors, (935), 935 states have call successors, (935) [2022-07-14 00:22:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-14 00:22:11,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:22:11,474 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:22:11,474 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:22:11,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:22:11,493 INFO L85 PathProgramCache]: Analyzing trace with hash -2068464976, now seen corresponding path program 1 times [2022-07-14 00:22:11,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:22:11,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666945222] [2022-07-14 00:22:11,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:22:11,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:22:11,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:22:11,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:22:11,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 00:22:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:19,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 3465 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 00:22:19,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:22:19,607 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-14 00:22:19,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:22:19,608 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:22:19,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666945222] [2022-07-14 00:22:19,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666945222] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:22:19,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:22:19,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:22:19,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693757005] [2022-07-14 00:22:19,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:22:19,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 00:22:19,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:22:19,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 00:22:19,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 00:22:19,644 INFO L87 Difference]: Start difference. First operand has 2462 states, 1417 states have (on average 1.2731122088920255) internal successors, (1804), 1462 states have internal predecessors, (1804), 942 states have call successors, (942), 102 states have call predecessors, (942), 101 states have return successors, (935), 920 states have call predecessors, (935), 935 states have call successors, (935) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-07-14 00:22:20,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:22:20,046 INFO L93 Difference]: Finished difference Result 4922 states and 7423 transitions. [2022-07-14 00:22:20,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 00:22:20,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 67 [2022-07-14 00:22:20,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:22:20,092 INFO L225 Difference]: With dead ends: 4922 [2022-07-14 00:22:20,093 INFO L226 Difference]: Without dead ends: 2449 [2022-07-14 00:22:20,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:22:20,123 INFO L413 NwaCegarLoop]: 3669 mSDtfsCounter, 2 mSDsluCounter, 7333 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11002 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:22:20,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11002 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 00:22:20,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2449 states. [2022-07-14 00:22:20,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2449 to 2449. [2022-07-14 00:22:20,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2449 states, 1413 states have (on average 1.2625619249823072) internal successors, (1784), 1449 states have internal predecessors, (1784), 935 states have call successors, (935), 101 states have call predecessors, (935), 100 states have return successors, (934), 919 states have call predecessors, (934), 934 states have call successors, (934) [2022-07-14 00:22:20,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2449 states and 3653 transitions. [2022-07-14 00:22:20,359 INFO L78 Accepts]: Start accepts. Automaton has 2449 states and 3653 transitions. Word has length 67 [2022-07-14 00:22:20,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:22:20,361 INFO L495 AbstractCegarLoop]: Abstraction has 2449 states and 3653 transitions. [2022-07-14 00:22:20,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-07-14 00:22:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 3653 transitions. [2022-07-14 00:22:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-14 00:22:20,367 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:22:20,368 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:22:20,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:22:20,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:22:20,584 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:22:20,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:22:20,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1269923975, now seen corresponding path program 1 times [2022-07-14 00:22:20,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:22:20,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058262737] [2022-07-14 00:22:20,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:22:20,588 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:22:20,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:22:20,595 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:22:20,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 00:22:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:29,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 3476 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:22:29,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:22:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-14 00:22:29,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:22:29,905 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-14 00:22:29,905 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:22:29,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058262737] [2022-07-14 00:22:29,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058262737] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:22:29,906 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:22:29,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-14 00:22:29,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079270225] [2022-07-14 00:22:29,906 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:22:29,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:22:29,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:22:29,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:22:29,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:22:29,908 INFO L87 Difference]: Start difference. First operand 2449 states and 3653 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-14 00:22:31,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:22:31,921 INFO L93 Difference]: Finished difference Result 4890 states and 7306 transitions. [2022-07-14 00:22:31,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 00:22:31,936 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 68 [2022-07-14 00:22:31,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:22:31,974 INFO L225 Difference]: With dead ends: 4890 [2022-07-14 00:22:31,975 INFO L226 Difference]: Without dead ends: 2458 [2022-07-14 00:22:32,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-07-14 00:22:32,022 INFO L413 NwaCegarLoop]: 3648 mSDtfsCounter, 12 mSDsluCounter, 7295 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 10943 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:22:32,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 10943 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-14 00:22:32,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2022-07-14 00:22:32,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 2458. [2022-07-14 00:22:32,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2458 states, 1421 states have (on average 1.263194933145672) internal successors, (1795), 1457 states have internal predecessors, (1795), 935 states have call successors, (935), 102 states have call predecessors, (935), 101 states have return successors, (934), 919 states have call predecessors, (934), 934 states have call successors, (934) [2022-07-14 00:22:32,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 3664 transitions. [2022-07-14 00:22:32,287 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 3664 transitions. Word has length 68 [2022-07-14 00:22:32,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:22:32,288 INFO L495 AbstractCegarLoop]: Abstraction has 2458 states and 3664 transitions. [2022-07-14 00:22:32,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-14 00:22:32,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3664 transitions. [2022-07-14 00:22:32,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-14 00:22:32,289 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:22:32,289 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:22:32,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:22:32,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:22:32,490 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:22:32,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:22:32,491 INFO L85 PathProgramCache]: Analyzing trace with hash 119874800, now seen corresponding path program 2 times [2022-07-14 00:22:32,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:22:32,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694118481] [2022-07-14 00:22:32,495 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:22:32,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:22:32,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:22:32,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:22:32,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:22:38,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:22:38,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:22:39,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 3346 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:22:39,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:22:39,936 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-07-14 00:22:39,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:22:39,936 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:22:39,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694118481] [2022-07-14 00:22:39,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [694118481] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:22:39,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:22:39,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:22:39,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542532719] [2022-07-14 00:22:39,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:22:39,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:22:39,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:22:39,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:22:39,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:22:39,938 INFO L87 Difference]: Start difference. First operand 2458 states and 3664 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 00:22:40,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:22:40,767 INFO L93 Difference]: Finished difference Result 7315 states and 10941 transitions. [2022-07-14 00:22:40,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:22:40,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2022-07-14 00:22:40,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:22:40,816 INFO L225 Difference]: With dead ends: 7315 [2022-07-14 00:22:40,816 INFO L226 Difference]: Without dead ends: 4879 [2022-07-14 00:22:40,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:22:40,840 INFO L413 NwaCegarLoop]: 5038 mSDtfsCounter, 3626 mSDsluCounter, 13707 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3626 SdHoareTripleChecker+Valid, 18745 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 00:22:40,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3626 Valid, 18745 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 00:22:40,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2022-07-14 00:22:41,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4875. [2022-07-14 00:22:41,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4875 states, 2812 states have (on average 1.2635135135135136) internal successors, (3553), 2884 states have internal predecessors, (3553), 1861 states have call successors, (1861), 202 states have call predecessors, (1861), 201 states have return successors, (1878), 1830 states have call predecessors, (1878), 1860 states have call successors, (1878) [2022-07-14 00:22:41,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4875 states to 4875 states and 7292 transitions. [2022-07-14 00:22:41,070 INFO L78 Accepts]: Start accepts. Automaton has 4875 states and 7292 transitions. Word has length 71 [2022-07-14 00:22:41,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:22:41,071 INFO L495 AbstractCegarLoop]: Abstraction has 4875 states and 7292 transitions. [2022-07-14 00:22:41,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 00:22:41,072 INFO L276 IsEmpty]: Start isEmpty. Operand 4875 states and 7292 transitions. [2022-07-14 00:22:41,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-14 00:22:41,084 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:22:41,084 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:22:41,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 00:22:41,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:22:41,307 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:22:41,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:22:41,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1366899849, now seen corresponding path program 1 times [2022-07-14 00:22:41,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:22:41,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [676543249] [2022-07-14 00:22:41,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:22:41,311 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:22:41,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:22:41,319 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:22:41,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 00:22:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:49,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 3679 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 00:22:49,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:22:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-14 00:22:50,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:22:51,576 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-14 00:22:51,576 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:22:51,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [676543249] [2022-07-14 00:22:51,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [676543249] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:22:51,576 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:22:51,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-07-14 00:22:51,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213672642] [2022-07-14 00:22:51,577 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:22:51,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-14 00:22:51,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:22:51,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-14 00:22:51,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-07-14 00:22:51,578 INFO L87 Difference]: Start difference. First operand 4875 states and 7292 transitions. Second operand has 14 states, 14 states have (on average 7.857142857142857) internal successors, (110), 14 states have internal predecessors, (110), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 00:22:54,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:22:54,548 INFO L93 Difference]: Finished difference Result 9749 states and 14619 transitions. [2022-07-14 00:22:54,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-14 00:22:54,549 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.857142857142857) internal successors, (110), 14 states have internal predecessors, (110), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2022-07-14 00:22:54,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:22:54,589 INFO L225 Difference]: With dead ends: 9749 [2022-07-14 00:22:54,589 INFO L226 Difference]: Without dead ends: 4885 [2022-07-14 00:22:54,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2022-07-14 00:22:54,629 INFO L413 NwaCegarLoop]: 3650 mSDtfsCounter, 29 mSDsluCounter, 25524 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 29174 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:22:54,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 29174 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-14 00:22:54,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2022-07-14 00:22:54,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4885. [2022-07-14 00:22:54,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4885 states, 2822 states have (on average 1.2618710134656272) internal successors, (3561), 2894 states have internal predecessors, (3561), 1861 states have call successors, (1861), 202 states have call predecessors, (1861), 201 states have return successors, (1878), 1830 states have call predecessors, (1878), 1860 states have call successors, (1878) [2022-07-14 00:22:54,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 7300 transitions. [2022-07-14 00:22:54,858 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 7300 transitions. Word has length 129 [2022-07-14 00:22:54,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:22:54,861 INFO L495 AbstractCegarLoop]: Abstraction has 4885 states and 7300 transitions. [2022-07-14 00:22:54,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.857142857142857) internal successors, (110), 14 states have internal predecessors, (110), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 00:22:54,862 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 7300 transitions. [2022-07-14 00:22:54,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-14 00:22:54,868 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:22:54,868 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:22:55,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 00:22:55,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:22:55,088 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:22:55,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:22:55,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1499053495, now seen corresponding path program 2 times [2022-07-14 00:22:55,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:22:55,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109752727] [2022-07-14 00:22:55,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:22:55,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:22:55,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:22:55,093 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:22:55,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 00:23:01,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:23:01,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:23:02,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 3346 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:23:02,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:23:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-14 00:23:02,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:23:02,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:23:02,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109752727] [2022-07-14 00:23:02,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109752727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:23:02,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:23:02,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:23:02,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054044035] [2022-07-14 00:23:02,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:23:02,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:23:02,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:23:02,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:23:02,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:23:02,949 INFO L87 Difference]: Start difference. First operand 4885 states and 7300 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-14 00:23:03,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:23:03,485 INFO L93 Difference]: Finished difference Result 14540 states and 21756 transitions. [2022-07-14 00:23:03,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:23:03,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 133 [2022-07-14 00:23:03,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:23:03,562 INFO L225 Difference]: With dead ends: 14540 [2022-07-14 00:23:03,562 INFO L226 Difference]: Without dead ends: 9687 [2022-07-14 00:23:03,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:23:03,598 INFO L413 NwaCegarLoop]: 4583 mSDtfsCounter, 3531 mSDsluCounter, 3633 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3531 SdHoareTripleChecker+Valid, 8216 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:23:03,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3531 Valid, 8216 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 00:23:03,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9687 states. [2022-07-14 00:23:04,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9687 to 9687. [2022-07-14 00:23:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9687 states, 5584 states have (on average 1.2632521489971347) internal successors, (7054), 5728 states have internal predecessors, (7054), 3701 states have call successors, (3701), 402 states have call predecessors, (3701), 401 states have return successors, (3736), 3640 states have call predecessors, (3736), 3700 states have call successors, (3736) [2022-07-14 00:23:04,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9687 states to 9687 states and 14491 transitions. [2022-07-14 00:23:04,262 INFO L78 Accepts]: Start accepts. Automaton has 9687 states and 14491 transitions. Word has length 133 [2022-07-14 00:23:04,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:23:04,262 INFO L495 AbstractCegarLoop]: Abstraction has 9687 states and 14491 transitions. [2022-07-14 00:23:04,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-14 00:23:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 9687 states and 14491 transitions. [2022-07-14 00:23:04,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-07-14 00:23:04,271 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:23:04,271 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:23:04,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-14 00:23:04,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:23:04,488 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:23:04,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:23:04,488 INFO L85 PathProgramCache]: Analyzing trace with hash -884016191, now seen corresponding path program 1 times [2022-07-14 00:23:04,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:23:04,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2031818495] [2022-07-14 00:23:04,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:23:04,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:23:04,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:23:04,493 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:23:04,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 00:23:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:12,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 3767 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:23:12,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:23:12,162 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-14 00:23:12,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:23:12,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:23:12,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2031818495] [2022-07-14 00:23:12,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2031818495] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:23:12,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:23:12,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:23:12,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591671622] [2022-07-14 00:23:12,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:23:12,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:23:12,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:23:12,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:23:12,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:23:12,163 INFO L87 Difference]: Start difference. First operand 9687 states and 14491 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-14 00:23:13,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:23:13,396 INFO L93 Difference]: Finished difference Result 24543 states and 36808 transitions. [2022-07-14 00:23:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:23:13,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 143 [2022-07-14 00:23:13,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:23:13,627 INFO L225 Difference]: With dead ends: 24543 [2022-07-14 00:23:13,628 INFO L226 Difference]: Without dead ends: 14888 [2022-07-14 00:23:13,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:23:13,666 INFO L413 NwaCegarLoop]: 4249 mSDtfsCounter, 2001 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2001 SdHoareTripleChecker+Valid, 7804 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 00:23:13,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2001 Valid, 7804 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 00:23:13,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14888 states. [2022-07-14 00:23:14,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14888 to 14879. [2022-07-14 00:23:14,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14879 states, 8378 states have (on average 1.2613989018858915) internal successors, (10568), 8566 states have internal predecessors, (10568), 5871 states have call successors, (5871), 630 states have call predecessors, (5871), 629 states have return successors, (5906), 5790 states have call predecessors, (5906), 5870 states have call successors, (5906) [2022-07-14 00:23:14,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14879 states to 14879 states and 22345 transitions. [2022-07-14 00:23:14,593 INFO L78 Accepts]: Start accepts. Automaton has 14879 states and 22345 transitions. Word has length 143 [2022-07-14 00:23:14,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:23:14,595 INFO L495 AbstractCegarLoop]: Abstraction has 14879 states and 22345 transitions. [2022-07-14 00:23:14,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-14 00:23:14,595 INFO L276 IsEmpty]: Start isEmpty. Operand 14879 states and 22345 transitions. [2022-07-14 00:23:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-14 00:23:14,608 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:23:14,608 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:23:14,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-14 00:23:14,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:23:14,825 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:23:14,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:23:14,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1103862230, now seen corresponding path program 1 times [2022-07-14 00:23:14,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:23:14,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82644089] [2022-07-14 00:23:14,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:23:14,829 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:23:14,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:23:14,836 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:23:14,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 00:23:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:21,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 3891 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:23:21,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:23:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-07-14 00:23:22,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:23:22,551 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:23:22,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82644089] [2022-07-14 00:23:22,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82644089] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:23:22,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:23:22,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:23:22,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749089425] [2022-07-14 00:23:22,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:23:22,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:23:22,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:23:22,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:23:22,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:23:22,553 INFO L87 Difference]: Start difference. First operand 14879 states and 22345 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 00:23:24,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:23:24,150 INFO L93 Difference]: Finished difference Result 37859 states and 56720 transitions. [2022-07-14 00:23:24,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:23:24,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 187 [2022-07-14 00:23:24,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:23:24,356 INFO L225 Difference]: With dead ends: 37859 [2022-07-14 00:23:24,357 INFO L226 Difference]: Without dead ends: 23012 [2022-07-14 00:23:24,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:23:24,430 INFO L413 NwaCegarLoop]: 6130 mSDtfsCounter, 3514 mSDsluCounter, 3025 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3514 SdHoareTripleChecker+Valid, 9155 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:23:24,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3514 Valid, 9155 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-14 00:23:24,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23012 states. [2022-07-14 00:23:25,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23012 to 23003. [2022-07-14 00:23:25,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23003 states, 13172 states have (on average 1.263437594898269) internal successors, (16642), 13492 states have internal predecessors, (16642), 8809 states have call successors, (8809), 1022 states have call predecessors, (8809), 1021 states have return successors, (8864), 8668 states have call predecessors, (8864), 8808 states have call successors, (8864) [2022-07-14 00:23:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23003 states to 23003 states and 34315 transitions. [2022-07-14 00:23:26,158 INFO L78 Accepts]: Start accepts. Automaton has 23003 states and 34315 transitions. Word has length 187 [2022-07-14 00:23:26,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:23:26,159 INFO L495 AbstractCegarLoop]: Abstraction has 23003 states and 34315 transitions. [2022-07-14 00:23:26,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 00:23:26,175 INFO L276 IsEmpty]: Start isEmpty. Operand 23003 states and 34315 transitions. [2022-07-14 00:23:26,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-14 00:23:26,199 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:23:26,199 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:23:26,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 00:23:26,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:23:26,419 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:23:26,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:23:26,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1119806596, now seen corresponding path program 1 times [2022-07-14 00:23:26,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:23:26,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515672205] [2022-07-14 00:23:26,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:23:26,423 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:23:26,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:23:26,434 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:23:26,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 00:23:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:34,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 3891 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:23:34,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:23:34,809 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-07-14 00:23:34,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:23:34,810 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:23:34,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515672205] [2022-07-14 00:23:34,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1515672205] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:23:34,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:23:34,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:23:34,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206682210] [2022-07-14 00:23:34,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:23:34,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:23:34,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:23:34,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:23:34,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:23:34,811 INFO L87 Difference]: Start difference. First operand 23003 states and 34315 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-14 00:23:35,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:23:35,468 INFO L93 Difference]: Finished difference Result 34517 states and 51548 transitions. [2022-07-14 00:23:35,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:23:35,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 187 [2022-07-14 00:23:35,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:23:35,626 INFO L225 Difference]: With dead ends: 34517 [2022-07-14 00:23:35,627 INFO L226 Difference]: Without dead ends: 23019 [2022-07-14 00:23:35,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:23:35,697 INFO L413 NwaCegarLoop]: 3651 mSDtfsCounter, 5 mSDsluCounter, 3643 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7294 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:23:35,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 7294 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 00:23:35,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23019 states. [2022-07-14 00:23:36,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23019 to 23019. [2022-07-14 00:23:36,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23019 states, 13184 states have (on average 1.2631978155339805) internal successors, (16654), 13508 states have internal predecessors, (16654), 8809 states have call successors, (8809), 1022 states have call predecessors, (8809), 1025 states have return successors, (8868), 8668 states have call predecessors, (8868), 8808 states have call successors, (8868) [2022-07-14 00:23:37,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23019 states to 23019 states and 34331 transitions. [2022-07-14 00:23:37,008 INFO L78 Accepts]: Start accepts. Automaton has 23019 states and 34331 transitions. Word has length 187 [2022-07-14 00:23:37,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:23:37,008 INFO L495 AbstractCegarLoop]: Abstraction has 23019 states and 34331 transitions. [2022-07-14 00:23:37,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-14 00:23:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 23019 states and 34331 transitions. [2022-07-14 00:23:37,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-14 00:23:37,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:23:37,018 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:23:37,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 00:23:37,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:23:37,238 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:23:37,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:23:37,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1130499163, now seen corresponding path program 1 times [2022-07-14 00:23:37,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:23:37,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276447253] [2022-07-14 00:23:37,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:23:37,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:23:37,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:23:37,243 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:23:37,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 00:23:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:23:45,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 3895 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 00:23:45,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:23:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-07-14 00:23:47,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:23:47,497 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:23:47,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276447253] [2022-07-14 00:23:47,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [276447253] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:23:47,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:23:47,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:23:47,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186726219] [2022-07-14 00:23:47,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:23:47,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:23:47,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:23:47,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:23:47,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:23:47,498 INFO L87 Difference]: Start difference. First operand 23019 states and 34331 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 4 states have call successors, (21), 4 states have call predecessors, (21), 3 states have return successors, (20), 5 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 00:23:54,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:23:56,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:03,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:05,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:11,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:13,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:16,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:18,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:20,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:22,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:50,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:56,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:24:58,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:25:02,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:25:03,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []