./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--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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--rtl8180--rtl818x_pci.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 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 23:56:16,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:56:16,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:56:16,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:56:16,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:56:16,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:56:16,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:56:16,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:56:16,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:56:16,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:56:16,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:56:16,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:56:16,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:56:16,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:56:16,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:56:16,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:56:16,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:56:16,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:56:16,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:56:16,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:56:16,855 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:56:16,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:56:16,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:56:16,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:56:16,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:56:16,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:56:16,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:56:16,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:56:16,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:56:16,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:56:16,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:56:16,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:56:16,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:56:16,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:56:16,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:56:16,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:56:16,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:56:16,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:56:16,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:56:16,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:56:16,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:56:16,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:56:16,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:56:16,896 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:56:16,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:56:16,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:56:16,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:56:16,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:56:16,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:56:16,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:56:16,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:56:16,899 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:56:16,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:56:16,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:56:16,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:56:16,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:56:16,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:56:16,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:56:16,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:56:16,904 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:56:16,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:56:16,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:56:16,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:56:16,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:56:16,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:56:16,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:56:16,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:56:16,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:56:16,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:56:16,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:56:16,906 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:56:16,906 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:56:16,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:56:16,906 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2022-07-22 23:56:17,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:56:17,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:56:17,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:56:17,099 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:56:17,100 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:56:17,101 INFO L432 ainManager$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--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-22 23:56:17,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b617443bd/d2b024e0fe9445a3981019b2f782d805/FLAGc12172470 [2022-07-22 23:56:17,820 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:56:17,820 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--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-22 23:56:17,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b617443bd/d2b024e0fe9445a3981019b2f782d805/FLAGc12172470 [2022-07-22 23:56:18,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b617443bd/d2b024e0fe9445a3981019b2f782d805 [2022-07-22 23:56:18,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:56:18,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:56:18,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:56:18,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:56:18,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:56:18,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:56:18" (1/1) ... [2022-07-22 23:56:18,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e98ffed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:18, skipping insertion in model container [2022-07-22 23:56:18,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:56:18" (1/1) ... [2022-07-22 23:56:18,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:56:18,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:56:19,172 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--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-22 23:56:20,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:56:20,235 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:56:20,349 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--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-22 23:56:20,432 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: eeprom_val = (unsigned int )eeprom_val & 255U [9309] 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) [2022-07-22 23:56:20,436 INFO L158 Benchmark]: Toolchain (without parser) took 2258.57ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 73.1MB in the beginning and 59.5MB in the end (delta: 13.6MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2022-07-22 23:56:20,437 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:56:20,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2257.25ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 72.7MB in the beginning and 59.5MB in the end (delta: 13.2MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2022-07-22 23:56:20,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2257.25ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 72.7MB in the beginning and 59.5MB in the end (delta: 13.2MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9309] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9309]: 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--rtl8180--rtl818x_pci.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 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 23:56:21,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:56:21,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:56:22,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:56:22,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:56:22,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:56:22,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:56:22,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:56:22,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:56:22,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:56:22,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:56:22,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:56:22,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:56:22,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:56:22,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:56:22,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:56:22,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:56:22,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:56:22,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:56:22,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:56:22,039 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:56:22,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:56:22,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:56:22,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:56:22,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:56:22,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:56:22,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:56:22,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:56:22,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:56:22,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:56:22,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:56:22,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:56:22,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:56:22,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:56:22,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:56:22,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:56:22,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:56:22,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:56:22,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:56:22,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:56:22,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:56:22,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:56:22,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 23:56:22,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:56:22,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:56:22,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:56:22,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:56:22,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:56:22,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:56:22,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:56:22,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:56:22,097 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:56:22,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:56:22,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:56:22,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:56:22,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:56:22,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:56:22,104 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 23:56:22,104 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 23:56:22,104 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 23:56:22,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:56:22,105 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:56:22,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:56:22,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:56:22,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:56:22,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:56:22,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:56:22,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:56:22,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:56:22,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:56:22,107 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 23:56:22,107 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 23:56:22,107 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:56:22,108 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:56:22,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:56:22,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 23:56:22,108 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2022-07-22 23:56:22,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:56:22,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:56:22,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:56:22,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:56:22,375 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:56:22,375 INFO L432 ainManager$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--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-22 23:56:22,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6ffc6822/2badef4808594c3d9080cd11003c0c3c/FLAGead150423 [2022-07-22 23:56:23,097 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:56:23,098 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--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-22 23:56:23,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6ffc6822/2badef4808594c3d9080cd11003c0c3c/FLAGead150423 [2022-07-22 23:56:23,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6ffc6822/2badef4808594c3d9080cd11003c0c3c [2022-07-22 23:56:23,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:56:23,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:56:23,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:56:23,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:56:23,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:56:23,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:56:23" (1/1) ... [2022-07-22 23:56:23,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130bb39c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:23, skipping insertion in model container [2022-07-22 23:56:23,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:56:23" (1/1) ... [2022-07-22 23:56:23,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:56:23,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:56:24,268 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--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-22 23:56:25,109 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-22 23:56:25,166 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-22 23:56:25,230 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-22 23:56:25,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:56:25,527 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 23:56:25,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:56:25,654 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--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-22 23:56:25,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:56:25,861 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:56:25,953 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--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-22 23:56:26,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:56:26,300 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:56:26,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:26 WrapperNode [2022-07-22 23:56:26,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:56:26,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:56:26,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:56:26,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:56:26,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:26" (1/1) ... [2022-07-22 23:56:26,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:26" (1/1) ... [2022-07-22 23:56:26,596 INFO L137 Inliner]: procedures = 397, calls = 4296, calls flagged for inlining = 180, calls inlined = 177, statements flattened = 7899 [2022-07-22 23:56:26,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:56:26,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:56:26,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:56:26,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:56:26,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:26" (1/1) ... [2022-07-22 23:56:26,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:26" (1/1) ... [2022-07-22 23:56:26,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:26" (1/1) ... [2022-07-22 23:56:26,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:26" (1/1) ... [2022-07-22 23:56:26,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:26" (1/1) ... [2022-07-22 23:56:26,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:26" (1/1) ... [2022-07-22 23:56:26,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:26" (1/1) ... [2022-07-22 23:56:26,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:56:26,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:56:26,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:56:26,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:56:26,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:26" (1/1) ... [2022-07-22 23:56:26,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:56:26,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:56:26,906 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) [2022-07-22 23:56:26,921 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 [2022-07-22 23:56:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-22 23:56:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-22 23:56:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-22 23:56:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-22 23:56:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-22 23:56:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-22 23:56:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-22 23:56:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-22 23:56:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-22 23:56:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-22 23:56:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:56:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:56:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-22 23:56:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-22 23:56:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-22 23:56:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-22 23:56:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-22 23:56:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-22 23:56:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2022-07-22 23:56:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2022-07-22 23:56:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-22 23:56:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-22 23:56:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2022-07-22 23:56:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2022-07-22 23:56:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-22 23:56:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-22 23:56:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-22 23:56:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-22 23:56:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-22 23:56:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-22 23:56:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-22 23:56:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-22 23:56:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-22 23:56:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-22 23:56:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-22 23:56:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-22 23:56:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-22 23:56:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-22 23:56:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-22 23:56:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-22 23:56:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-22 23:56:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-22 23:56:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-22 23:56:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-22 23:56:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-22 23:56:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-22 23:56:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-22 23:56:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-22 23:56:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-22 23:56:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:56:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-22 23:56:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-22 23:56:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-22 23:56:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 23:56:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 23:56:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 23:56:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-22 23:56:26,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-22 23:56:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-22 23:56:26,940 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-22 23:56:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-22 23:56:26,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-22 23:56:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-22 23:56:26,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-22 23:56:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-22 23:56:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-22 23:56:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-22 23:56:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-22 23:56:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-22 23:56:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-22 23:56:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-22 23:56:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-22 23:56:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-22 23:56:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-22 23:56:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-22 23:56:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-22 23:56:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 23:56:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 23:56:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-22 23:56:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-22 23:56:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-22 23:56:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-22 23:56:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-22 23:56:26,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-22 23:56:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-22 23:56:26,943 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-22 23:56:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-22 23:56:26,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-22 23:56:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-22 23:56:26,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-22 23:56:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-22 23:56:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-22 23:56:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-22 23:56:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-22 23:56:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-22 23:56:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-22 23:56:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-22 23:56:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:56:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:56:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-22 23:56:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-22 23:56:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-22 23:56:26,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-22 23:56:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-22 23:56:26,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-22 23:56:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-22 23:56:26,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-22 23:56:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:56:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-22 23:56:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-22 23:56:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-22 23:56:26,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-22 23:56:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-22 23:56:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-22 23:56:26,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-22 23:56:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2022-07-22 23:56:26,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2022-07-22 23:56:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-22 23:56:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-22 23:56:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-22 23:56:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-22 23:56:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2022-07-22 23:56:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2022-07-22 23:56:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-22 23:56:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-22 23:56:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-22 23:56:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-22 23:56:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-22 23:56:26,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-22 23:56:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-22 23:56:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2022-07-22 23:56:26,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2022-07-22 23:56:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-22 23:56:26,948 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-22 23:56:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:56:26,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:56:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2022-07-22 23:56:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2022-07-22 23:56:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 23:56:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-22 23:56:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-22 23:56:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-22 23:56:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-22 23:56:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-22 23:56:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 23:56:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 23:56:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-22 23:56:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 23:56:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2022-07-22 23:56:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2022-07-22 23:56:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-22 23:56:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-22 23:56:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-22 23:56:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-22 23:56:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-22 23:56:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-22 23:56:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-22 23:56:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-22 23:56:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2022-07-22 23:56:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2022-07-22 23:56:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2022-07-22 23:56:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2022-07-22 23:56:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2022-07-22 23:56:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2022-07-22 23:56:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-22 23:56:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-22 23:56:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-22 23:56:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-22 23:56:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-07-22 23:56:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-07-22 23:56:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-22 23:56:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-22 23:56:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-22 23:56:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-22 23:56:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2022-07-22 23:56:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2022-07-22 23:56:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:56:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:56:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-22 23:56:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-22 23:56:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-22 23:56:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-22 23:56:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 23:56:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 23:56:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-22 23:56:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-22 23:56:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 23:56:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 23:56:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2022-07-22 23:56:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2022-07-22 23:56:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-22 23:56:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-22 23:56:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-22 23:56:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-22 23:56:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:56:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-22 23:56:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-22 23:56:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:56:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2022-07-22 23:56:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2022-07-22 23:56:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-22 23:56:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-22 23:56:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-22 23:56:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-22 23:56:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-22 23:56:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 23:56:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:56:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2022-07-22 23:56:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2022-07-22 23:56:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-22 23:56:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-22 23:56:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2022-07-22 23:56:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2022-07-22 23:56:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-22 23:56:26,957 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-22 23:56:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-22 23:56:26,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-22 23:56:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-22 23:56:26,957 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-22 23:56:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2022-07-22 23:56:26,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2022-07-22 23:56:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-22 23:56:26,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-22 23:56:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-22 23:56:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-22 23:56:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-22 23:56:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-22 23:56:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-22 23:56:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-22 23:56:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2022-07-22 23:56:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2022-07-22 23:56:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-22 23:56:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-22 23:56:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-22 23:56:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-22 23:56:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-22 23:56:26,959 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-22 23:56:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-22 23:56:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-22 23:56:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 23:56:26,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 23:56:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-22 23:56:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-22 23:56:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-22 23:56:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-22 23:56:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2022-07-22 23:56:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2022-07-22 23:56:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-22 23:56:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-22 23:56:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2022-07-22 23:56:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2022-07-22 23:56:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-22 23:56:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-22 23:56:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2022-07-22 23:56:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2022-07-22 23:56:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-22 23:56:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-22 23:56:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-22 23:56:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-22 23:56:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-22 23:56:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-22 23:56:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-22 23:56:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-22 23:56:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-22 23:56:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-22 23:56:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-22 23:56:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-22 23:56:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-22 23:56:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-22 23:56:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2022-07-22 23:56:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2022-07-22 23:56:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-22 23:56:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-22 23:56:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-22 23:56:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-22 23:56:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-22 23:56:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-22 23:56:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-22 23:56:27,839 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:56:27,843 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:56:30,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-22 23:57:13,723 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:57:13,743 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:57:13,744 INFO L299 CfgBuilder]: Removed 81 assume(true) statements. [2022-07-22 23:57:13,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:57:13 BoogieIcfgContainer [2022-07-22 23:57:13,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:57:13,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:57:13,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:57:13,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:57:13,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:56:23" (1/3) ... [2022-07-22 23:57:13,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561067a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:57:13, skipping insertion in model container [2022-07-22 23:57:13,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:56:26" (2/3) ... [2022-07-22 23:57:13,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561067a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:57:13, skipping insertion in model container [2022-07-22 23:57:13,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:57:13" (3/3) ... [2022-07-22 23:57:13,755 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-22 23:57:13,765 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:57:13,765 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:57:13,843 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:57:13,847 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@64fb1190, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2d96fd94 [2022-07-22 23:57:13,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:57:13,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 3635 states, 2087 states have (on average 1.3143267848586488) internal successors, (2743), 2242 states have internal predecessors, (2743), 1503 states have call successors, (1503), 122 states have call predecessors, (1503), 121 states have return successors, (1489), 1454 states have call predecessors, (1489), 1489 states have call successors, (1489) [2022-07-22 23:57:13,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-22 23:57:13,872 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:57:13,873 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 23:57:13,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:57:13,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:57:13,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1146511857, now seen corresponding path program 1 times [2022-07-22 23:57:13,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:57:13,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [291355353] [2022-07-22 23:57:13,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:57:13,893 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:57:13,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:57:13,895 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) [2022-07-22 23:57:13,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 23:57:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:21,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 3596 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 23:57:21,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:57:21,993 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-22 23:57:21,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:57:21,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:57:21,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [291355353] [2022-07-22 23:57:21,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [291355353] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:57:21,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:57:21,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:57:21,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592018376] [2022-07-22 23:57:21,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:57:21,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:57:21,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:57:22,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:57:22,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:57:22,023 INFO L87 Difference]: Start difference. First operand has 3635 states, 2087 states have (on average 1.3143267848586488) internal successors, (2743), 2242 states have internal predecessors, (2743), 1503 states have call successors, (1503), 122 states have call predecessors, (1503), 121 states have return successors, (1489), 1454 states have call predecessors, (1489), 1489 states have call successors, (1489) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 23:57:22,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:57:22,527 INFO L93 Difference]: Finished difference Result 7034 states and 11155 transitions. [2022-07-22 23:57:22,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 23:57:22,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2022-07-22 23:57:22,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:57:22,570 INFO L225 Difference]: With dead ends: 7034 [2022-07-22 23:57:22,570 INFO L226 Difference]: Without dead ends: 3380 [2022-07-22 23:57:22,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:57:22,600 INFO L413 NwaCegarLoop]: 5253 mSDtfsCounter, 2 mSDsluCounter, 10500 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15753 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:57:22,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 15753 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 23:57:22,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2022-07-22 23:57:22,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3380. [2022-07-22 23:57:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3380 states, 1847 states have (on average 1.2994044396318354) internal successors, (2400), 1918 states have internal predecessors, (2400), 1411 states have call successors, (1411), 121 states have call predecessors, (1411), 121 states have return successors, (1412), 1375 states have call predecessors, (1412), 1410 states have call successors, (1412) [2022-07-22 23:57:22,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 5223 transitions. [2022-07-22 23:57:22,843 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 5223 transitions. Word has length 78 [2022-07-22 23:57:22,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:57:22,844 INFO L495 AbstractCegarLoop]: Abstraction has 3380 states and 5223 transitions. [2022-07-22 23:57:22,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 23:57:22,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 5223 transitions. [2022-07-22 23:57:22,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-22 23:57:22,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:57:22,849 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:57:22,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-22 23:57:23,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:57:23,050 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:57:23,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:57:23,050 INFO L85 PathProgramCache]: Analyzing trace with hash -485676745, now seen corresponding path program 1 times [2022-07-22 23:57:23,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:57:23,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313056667] [2022-07-22 23:57:23,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:57:23,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:57:23,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:57:23,056 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) [2022-07-22 23:57:23,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 23:57:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:31,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 3618 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 23:57:31,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:57:31,402 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-22 23:57:31,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:57:31,898 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-22 23:57:31,899 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:57:31,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313056667] [2022-07-22 23:57:31,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313056667] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:57:31,899 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 23:57:31,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-22 23:57:31,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978346893] [2022-07-22 23:57:31,900 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 23:57:31,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 23:57:31,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:57:31,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 23:57:31,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 23:57:31,902 INFO L87 Difference]: Start difference. First operand 3380 states and 5223 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-22 23:57:33,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:57:33,168 INFO L93 Difference]: Finished difference Result 6752 states and 10455 transitions. [2022-07-22 23:57:33,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 23:57:33,170 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 80 [2022-07-22 23:57:33,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:57:33,196 INFO L225 Difference]: With dead ends: 6752 [2022-07-22 23:57:33,197 INFO L226 Difference]: Without dead ends: 3391 [2022-07-22 23:57:33,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-22 23:57:33,218 INFO L413 NwaCegarLoop]: 5214 mSDtfsCounter, 14 mSDsluCounter, 15632 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 20846 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 23:57:33,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 20846 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 23:57:33,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2022-07-22 23:57:33,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 3389. [2022-07-22 23:57:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3389 states, 1855 states have (on average 1.3013477088948786) internal successors, (2414), 1926 states have internal predecessors, (2414), 1411 states have call successors, (1411), 122 states have call predecessors, (1411), 122 states have return successors, (1412), 1375 states have call predecessors, (1412), 1410 states have call successors, (1412) [2022-07-22 23:57:33,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 5237 transitions. [2022-07-22 23:57:33,365 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 5237 transitions. Word has length 80 [2022-07-22 23:57:33,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:57:33,367 INFO L495 AbstractCegarLoop]: Abstraction has 3389 states and 5237 transitions. [2022-07-22 23:57:33,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-22 23:57:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 5237 transitions. [2022-07-22 23:57:33,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-22 23:57:33,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:57:33,370 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 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] [2022-07-22 23:57:33,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 23:57:33,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:57:33,587 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:57:33,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:57:33,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1364713071, now seen corresponding path program 2 times [2022-07-22 23:57:33,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:57:33,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849183249] [2022-07-22 23:57:33,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 23:57:33,591 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:57:33,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:57:33,595 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) [2022-07-22 23:57:33,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 23:57:41,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-22 23:57:41,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 23:57:41,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 3462 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 23:57:41,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:57:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-07-22 23:57:42,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:57:42,190 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:57:42,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849183249] [2022-07-22 23:57:42,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [849183249] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:57:42,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:57:42,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 23:57:42,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728066850] [2022-07-22 23:57:42,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:57:42,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:57:42,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:57:42,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:57:42,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:57:42,191 INFO L87 Difference]: Start difference. First operand 3389 states and 5237 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 23:57:43,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:57:43,142 INFO L93 Difference]: Finished difference Result 10104 states and 15692 transitions. [2022-07-22 23:57:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:57:43,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2022-07-22 23:57:43,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:57:43,197 INFO L225 Difference]: With dead ends: 10104 [2022-07-22 23:57:43,197 INFO L226 Difference]: Without dead ends: 6740 [2022-07-22 23:57:43,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 23:57:43,225 INFO L413 NwaCegarLoop]: 6654 mSDtfsCounter, 5184 mSDsluCounter, 18524 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5184 SdHoareTripleChecker+Valid, 25178 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 [2022-07-22 23:57:43,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5184 Valid, 25178 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 23:57:43,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6740 states. [2022-07-22 23:57:43,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6740 to 6736. [2022-07-22 23:57:43,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6736 states, 3680 states have (on average 1.3013586956521739) internal successors, (4789), 3822 states have internal predecessors, (4789), 2812 states have call successors, (2812), 242 states have call predecessors, (2812), 243 states have return successors, (2855), 2741 states have call predecessors, (2855), 2811 states have call successors, (2855) [2022-07-22 23:57:43,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6736 states to 6736 states and 10456 transitions. [2022-07-22 23:57:43,629 INFO L78 Accepts]: Start accepts. Automaton has 6736 states and 10456 transitions. Word has length 84 [2022-07-22 23:57:43,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:57:43,631 INFO L495 AbstractCegarLoop]: Abstraction has 6736 states and 10456 transitions. [2022-07-22 23:57:43,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 23:57:43,631 INFO L276 IsEmpty]: Start isEmpty. Operand 6736 states and 10456 transitions. [2022-07-22 23:57:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-22 23:57:43,644 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:57:43,644 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:57:43,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 23:57:43,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:57:43,855 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:57:43,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:57:43,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1194691794, now seen corresponding path program 1 times [2022-07-22 23:57:43,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:57:43,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129007972] [2022-07-22 23:57:43,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:57:43,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:57:43,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:57:43,861 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) [2022-07-22 23:57:43,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 23:57:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:53,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 3951 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 23:57:53,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:57:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-22 23:57:53,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:57:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-22 23:57:54,575 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:57:54,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129007972] [2022-07-22 23:57:54,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129007972] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:57:54,576 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 23:57:54,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-22 23:57:54,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738425100] [2022-07-22 23:57:54,576 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 23:57:54,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 23:57:54,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:57:54,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 23:57:54,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-22 23:57:54,578 INFO L87 Difference]: Start difference. First operand 6736 states and 10456 transitions. Second operand has 10 states, 10 states have (on average 13.3) internal successors, (133), 10 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-22 23:57:56,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:57:56,357 INFO L93 Difference]: Finished difference Result 13463 states and 20951 transitions. [2022-07-22 23:57:56,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 23:57:56,358 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 10 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2022-07-22 23:57:56,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:57:56,420 INFO L225 Difference]: With dead ends: 13463 [2022-07-22 23:57:56,421 INFO L226 Difference]: Without dead ends: 6756 [2022-07-22 23:57:56,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2022-07-22 23:57:56,461 INFO L413 NwaCegarLoop]: 5214 mSDtfsCounter, 43 mSDsluCounter, 15639 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 20853 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 23:57:56,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 20853 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 23:57:56,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2022-07-22 23:57:56,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6748. [2022-07-22 23:57:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6748 states, 3691 states have (on average 1.302898943375779) internal successors, (4809), 3833 states have internal predecessors, (4809), 2812 states have call successors, (2812), 243 states have call predecessors, (2812), 244 states have return successors, (2855), 2741 states have call predecessors, (2855), 2811 states have call successors, (2855) [2022-07-22 23:57:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6748 states to 6748 states and 10476 transitions. [2022-07-22 23:57:56,825 INFO L78 Accepts]: Start accepts. Automaton has 6748 states and 10476 transitions. Word has length 161 [2022-07-22 23:57:56,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:57:56,827 INFO L495 AbstractCegarLoop]: Abstraction has 6748 states and 10476 transitions. [2022-07-22 23:57:56,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 10 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-22 23:57:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 6748 states and 10476 transitions. [2022-07-22 23:57:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-22 23:57:56,838 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:57:56,838 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:57:56,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-22 23:57:57,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:57:57,059 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:57:57,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:57:57,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1888228334, now seen corresponding path program 2 times [2022-07-22 23:57:57,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:57:57,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357333845] [2022-07-22 23:57:57,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 23:57:57,064 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:57:57,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:57:57,066 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) [2022-07-22 23:57:57,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 23:58:05,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-22 23:58:05,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 23:58:05,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 3475 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 23:58:05,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:58:05,611 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-07-22 23:58:05,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:58:05,611 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:58:05,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357333845] [2022-07-22 23:58:05,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357333845] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:58:05,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:58:05,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 23:58:05,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388110950] [2022-07-22 23:58:05,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:58:05,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 23:58:05,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:58:05,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 23:58:05,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 23:58:05,613 INFO L87 Difference]: Start difference. First operand 6748 states and 10476 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-22 23:58:08,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:58:08,707 INFO L93 Difference]: Finished difference Result 20176 states and 31326 transitions. [2022-07-22 23:58:08,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 23:58:08,708 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 165 [2022-07-22 23:58:08,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:58:08,789 INFO L225 Difference]: With dead ends: 20176 [2022-07-22 23:58:08,790 INFO L226 Difference]: Without dead ends: 13468 [2022-07-22 23:58:08,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-22 23:58:08,831 INFO L413 NwaCegarLoop]: 9047 mSDtfsCounter, 7302 mSDsluCounter, 30313 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7302 SdHoareTripleChecker+Valid, 39360 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 636 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-22 23:58:08,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7302 Valid, 39360 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [636 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-22 23:58:08,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13468 states. [2022-07-22 23:58:09,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13468 to 13448. [2022-07-22 23:58:09,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13448 states, 7347 states have (on average 1.3024363685858174) internal successors, (9569), 7635 states have internal predecessors, (9569), 5614 states have call successors, (5614), 483 states have call predecessors, (5614), 486 states have return successors, (5701), 5469 states have call predecessors, (5701), 5613 states have call successors, (5701) [2022-07-22 23:58:09,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13448 states to 13448 states and 20884 transitions. [2022-07-22 23:58:09,588 INFO L78 Accepts]: Start accepts. Automaton has 13448 states and 20884 transitions. Word has length 165 [2022-07-22 23:58:09,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:58:09,589 INFO L495 AbstractCegarLoop]: Abstraction has 13448 states and 20884 transitions. [2022-07-22 23:58:09,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-22 23:58:09,589 INFO L276 IsEmpty]: Start isEmpty. Operand 13448 states and 20884 transitions. [2022-07-22 23:58:09,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-22 23:58:09,603 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:58:09,603 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:58:09,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-22 23:58:09,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:58:09,823 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:58:09,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:58:09,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1465526508, now seen corresponding path program 1 times [2022-07-22 23:58:09,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:58:09,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [443726482] [2022-07-22 23:58:09,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:58:09,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:58:09,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:58:09,832 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) [2022-07-22 23:58:09,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-22 23:58:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:58:20,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 3993 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-22 23:58:20,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:58:21,022 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 83 proven. 21 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-22 23:58:21,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:58:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 37 proven. 30 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-22 23:58:22,882 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:58:22,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [443726482] [2022-07-22 23:58:22,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [443726482] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:58:22,882 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 23:58:22,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2022-07-22 23:58:22,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605027118] [2022-07-22 23:58:22,883 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 23:58:22,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-22 23:58:22,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:58:22,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-22 23:58:22,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-07-22 23:58:22,884 INFO L87 Difference]: Start difference. First operand 13448 states and 20884 transitions. Second operand has 18 states, 18 states have (on average 7.833333333333333) internal successors, (141), 18 states have internal predecessors, (141), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-22 23:58:27,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:58:27,317 INFO L93 Difference]: Finished difference Result 26948 states and 41959 transitions. [2022-07-22 23:58:27,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-07-22 23:58:27,318 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.833333333333333) internal successors, (141), 18 states have internal predecessors, (141), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 165 [2022-07-22 23:58:27,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:58:27,420 INFO L225 Difference]: With dead ends: 26948 [2022-07-22 23:58:27,421 INFO L226 Difference]: Without dead ends: 13520 [2022-07-22 23:58:27,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=250, Invalid=742, Unknown=0, NotChecked=0, Total=992 [2022-07-22 23:58:27,476 INFO L413 NwaCegarLoop]: 5218 mSDtfsCounter, 96 mSDsluCounter, 52133 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 57351 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-22 23:58:27,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 57351 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-22 23:58:27,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13520 states. [2022-07-22 23:58:28,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13520 to 13468. [2022-07-22 23:58:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13468 states, 7367 states have (on average 1.303922899416316) internal successors, (9606), 7655 states have internal predecessors, (9606), 5614 states have call successors, (5614), 483 states have call predecessors, (5614), 486 states have return successors, (5701), 5469 states have call predecessors, (5701), 5613 states have call successors, (5701) [2022-07-22 23:58:28,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13468 states to 13468 states and 20921 transitions. [2022-07-22 23:58:28,455 INFO L78 Accepts]: Start accepts. Automaton has 13468 states and 20921 transitions. Word has length 165 [2022-07-22 23:58:28,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:58:28,463 INFO L495 AbstractCegarLoop]: Abstraction has 13468 states and 20921 transitions. [2022-07-22 23:58:28,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.833333333333333) internal successors, (141), 18 states have internal predecessors, (141), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-22 23:58:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 13468 states and 20921 transitions. [2022-07-22 23:58:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-22 23:58:28,490 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:58:28,490 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:58:28,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-22 23:58:28,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:58:28,691 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:58:28,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:58:28,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1785686708, now seen corresponding path program 2 times [2022-07-22 23:58:28,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:58:28,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942503898] [2022-07-22 23:58:28,695 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 23:58:28,695 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:58:28,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:58:28,696 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) [2022-07-22 23:58:28,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-22 23:58:36,935 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-22 23:58:36,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 23:58:37,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 3473 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-22 23:58:37,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:58:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-07-22 23:58:38,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:58:38,472 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:58:38,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942503898] [2022-07-22 23:58:38,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [942503898] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:58:38,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:58:38,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-22 23:58:38,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206300845] [2022-07-22 23:58:38,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:58:38,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 23:58:38,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:58:38,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 23:58:38,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-22 23:58:38,474 INFO L87 Difference]: Start difference. First operand 13468 states and 20921 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 4 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-22 23:58:40,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:58:40,474 INFO L93 Difference]: Finished difference Result 31038 states and 48501 transitions. [2022-07-22 23:58:40,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 23:58:40,475 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 4 states have call predecessors, (16), 1 states have call successors, (16) Word has length 167 [2022-07-22 23:58:40,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:58:40,627 INFO L225 Difference]: With dead ends: 31038 [2022-07-22 23:58:40,628 INFO L226 Difference]: Without dead ends: 17614 [2022-07-22 23:58:40,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-22 23:58:40,676 INFO L413 NwaCegarLoop]: 6826 mSDtfsCounter, 1010 mSDsluCounter, 60062 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 66888 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-22 23:58:40,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 66888 Invalid, 154 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-22 23:58:40,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17614 states. [2022-07-22 23:58:41,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17614 to 13540. [2022-07-22 23:58:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13540 states, 7425 states have (on average 1.3034343434343434) internal successors, (9678), 7715 states have internal predecessors, (9678), 5614 states have call successors, (5614), 483 states have call predecessors, (5614), 500 states have return successors, (5800), 5481 states have call predecessors, (5800), 5613 states have call successors, (5800) [2022-07-22 23:58:42,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13540 states to 13540 states and 21092 transitions. [2022-07-22 23:58:42,014 INFO L78 Accepts]: Start accepts. Automaton has 13540 states and 21092 transitions. Word has length 167 [2022-07-22 23:58:42,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:58:42,015 INFO L495 AbstractCegarLoop]: Abstraction has 13540 states and 21092 transitions. [2022-07-22 23:58:42,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 4 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-22 23:58:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand 13540 states and 21092 transitions. [2022-07-22 23:58:42,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-22 23:58:42,095 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:58:42,096 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:58:42,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-22 23:58:42,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:58:42,315 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:58:42,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:58:42,316 INFO L85 PathProgramCache]: Analyzing trace with hash -86965722, now seen corresponding path program 1 times [2022-07-22 23:58:42,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:58:42,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547343575] [2022-07-22 23:58:42,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:58:42,320 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:58:42,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:58:42,321 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) [2022-07-22 23:58:42,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-22 23:58:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:58:52,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 4041 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:58:52,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:58:53,122 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-07-22 23:58:53,122 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:58:53,123 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:58:53,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547343575] [2022-07-22 23:58:53,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1547343575] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:58:53,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:58:53,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:58:53,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137984016] [2022-07-22 23:58:53,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:58:53,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:58:53,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:58:53,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:58:53,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:58:53,125 INFO L87 Difference]: Start difference. First operand 13540 states and 21092 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-22 23:58:54,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:58:54,289 INFO L93 Difference]: Finished difference Result 36828 states and 57568 transitions. [2022-07-22 23:58:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:58:54,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 174 [2022-07-22 23:58:54,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:58:54,494 INFO L225 Difference]: With dead ends: 36828 [2022-07-22 23:58:54,495 INFO L226 Difference]: Without dead ends: 23324 [2022-07-22 23:58:54,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:58:54,555 INFO L413 NwaCegarLoop]: 6341 mSDtfsCounter, 3833 mSDsluCounter, 5124 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3833 SdHoareTripleChecker+Valid, 11465 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 23:58:54,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3833 Valid, 11465 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 23:58:54,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23324 states. [2022-07-22 23:58:55,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23324 to 23248. [2022-07-22 23:58:55,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23248 states, 12311 states have (on average 1.3014377386077491) internal successors, (16022), 12771 states have internal predecessors, (16022), 10058 states have call successors, (10058), 859 states have call predecessors, (10058), 878 states have return successors, (10287), 9865 states have call predecessors, (10287), 10057 states have call successors, (10287) [2022-07-22 23:58:55,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23248 states to 23248 states and 36367 transitions. [2022-07-22 23:58:55,854 INFO L78 Accepts]: Start accepts. Automaton has 23248 states and 36367 transitions. Word has length 174 [2022-07-22 23:58:55,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:58:55,854 INFO L495 AbstractCegarLoop]: Abstraction has 23248 states and 36367 transitions. [2022-07-22 23:58:55,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-22 23:58:55,855 INFO L276 IsEmpty]: Start isEmpty. Operand 23248 states and 36367 transitions. [2022-07-22 23:58:55,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-22 23:58:55,866 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:58:55,867 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:58:56,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-22 23:58:56,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:58:56,087 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:58:56,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:58:56,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1317364566, now seen corresponding path program 1 times [2022-07-22 23:58:56,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:58:56,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346732479] [2022-07-22 23:58:56,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:58:56,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:58:56,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:58:56,093 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) [2022-07-22 23:58:56,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-22 23:59:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:07,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 4283 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 23:59:07,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:59:09,815 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-07-22 23:59:09,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:59:09,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:59:09,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346732479] [2022-07-22 23:59:09,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1346732479] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:59:09,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:59:09,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:59:09,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055614013] [2022-07-22 23:59:09,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:59:09,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:59:09,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:59:09,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:59:09,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:59:09,817 INFO L87 Difference]: Start difference. First operand 23248 states and 36367 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-22 23:59:55,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:59:55,000 INFO L93 Difference]: Finished difference Result 69676 states and 109121 transitions. [2022-07-22 23:59:55,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:59:55,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 186 [2022-07-22 23:59:55,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:59:55,260 INFO L225 Difference]: With dead ends: 69676 [2022-07-22 23:59:55,260 INFO L226 Difference]: Without dead ends: 46472 [2022-07-22 23:59:55,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-22 23:59:55,368 INFO L413 NwaCegarLoop]: 6654 mSDtfsCounter, 5144 mSDsluCounter, 9912 mSDsCounter, 0 mSdLazyCounter, 5676 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5148 SdHoareTripleChecker+Valid, 16566 SdHoareTripleChecker+Invalid, 5693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 5676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:59:55,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5148 Valid, 16566 Invalid, 5693 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 5676 Invalid, 0 Unknown, 0 Unchecked, 43.1s Time] [2022-07-22 23:59:55,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46472 states. [2022-07-22 23:59:57,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46472 to 46464. [2022-07-22 23:59:57,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46464 states, 24595 states have (on average 1.3011587721081521) internal successors, (32002), 25523 states have internal predecessors, (32002), 20106 states have call successors, (20106), 1715 states have call predecessors, (20106), 1762 states have return successors, (20617), 19721 states have call predecessors, (20617), 20105 states have call successors, (20617) [2022-07-22 23:59:58,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46464 states to 46464 states and 72725 transitions. [2022-07-22 23:59:58,107 INFO L78 Accepts]: Start accepts. Automaton has 46464 states and 72725 transitions. Word has length 186 [2022-07-22 23:59:58,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:59:58,108 INFO L495 AbstractCegarLoop]: Abstraction has 46464 states and 72725 transitions. [2022-07-22 23:59:58,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-22 23:59:58,108 INFO L276 IsEmpty]: Start isEmpty. Operand 46464 states and 72725 transitions. [2022-07-22 23:59:58,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-22 23:59:58,139 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:59:58,139 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:59:58,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-22 23:59:58,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:59:58,355 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:59:58,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:59:58,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1776004227, now seen corresponding path program 1 times [2022-07-22 23:59:58,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:59:58,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485322153] [2022-07-22 23:59:58,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:59:58,360 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:59:58,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:59:58,362 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:59:58,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-23 00:00:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:11,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 4279 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 00:00:11,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:00:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-07-23 00:00:15,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:00:15,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:00:15,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [485322153] [2022-07-23 00:00:15,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [485322153] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:00:15,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:00:15,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 00:00:15,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385557311] [2022-07-23 00:00:15,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:00:15,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:00:15,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:00:15,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:00:15,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:00:15,179 INFO L87 Difference]: Start difference. First operand 46464 states and 72725 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20)