./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-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 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:57:51,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:57:51,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:57:52,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:57:52,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:57:52,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:57:52,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:57:52,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:57:52,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:57:52,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:57:52,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:57:52,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:57:52,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:57:52,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:57:52,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:57:52,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:57:52,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:57:52,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:57:52,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:57:52,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:57:52,050 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:57:52,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:57:52,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:57:52,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:57:52,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:57:52,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:57:52,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:57:52,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:57:52,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:57:52,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:57:52,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:57:52,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:57:52,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:57:52,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:57:52,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:57:52,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:57:52,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:57:52,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:57:52,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:57:52,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:57:52,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:57:52,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:57:52,072 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:57:52,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:57:52,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:57:52,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:57:52,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:57:52,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:57:52,095 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:57:52,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:57:52,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:57:52,096 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:57:52,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:57:52,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:57:52,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:57:52,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:57:52,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:57:52,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:57:52,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:57:52,098 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:57:52,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:57:52,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:57:52,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:57:52,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:57:52,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:57:52,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:57:52,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:57:52,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:57:52,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:57:52,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:57:52,100 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:57:52,100 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:57:52,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:57:52,100 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 [2022-07-21 12:57:52,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:57:52,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:57:52,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:57:52,406 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:57:52,407 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:57:52,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-21 12:57:52,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e214c2d2a/63d23bf3069045ff8bcbe81ba350bd1d/FLAG539b9cb9c [2022-07-21 12:57:53,235 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:57:53,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-21 12:57:53,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e214c2d2a/63d23bf3069045ff8bcbe81ba350bd1d/FLAG539b9cb9c [2022-07-21 12:57:53,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e214c2d2a/63d23bf3069045ff8bcbe81ba350bd1d [2022-07-21 12:57:53,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:57:53,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:57:53,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:57:53,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:57:53,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:57:53,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:57:53" (1/1) ... [2022-07-21 12:57:53,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74537e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:57:53, skipping insertion in model container [2022-07-21 12:57:53,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:57:53" (1/1) ... [2022-07-21 12:57:53,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:57:53,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:57:57,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-21 12:57:57,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:57:57,498 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:57:57,782 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 [9822] 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) [2022-07-21 12:57:57,789 INFO L158 Benchmark]: Toolchain (without parser) took 4015.12ms. Allocated memory was 60.8MB in the beginning and 136.3MB in the end (delta: 75.5MB). Free memory was 32.7MB in the beginning and 63.4MB in the end (delta: -30.7MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2022-07-21 12:57:57,790 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 42.7MB in the beginning and 42.6MB in the end (delta: 51.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 12:57:57,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4013.75ms. Allocated memory was 60.8MB in the beginning and 136.3MB in the end (delta: 75.5MB). Free memory was 32.5MB in the beginning and 63.4MB in the end (delta: -30.9MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2022-07-21 12:57:57,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 42.7MB in the beginning and 42.6MB in the end (delta: 51.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4013.75ms. Allocated memory was 60.8MB in the beginning and 136.3MB in the end (delta: 75.5MB). Free memory was 32.5MB in the beginning and 63.4MB in the end (delta: -30.9MB). Peak memory consumption was 73.3MB. 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 [9822] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9822]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-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 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:57:59,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:57:59,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:57:59,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:57:59,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:57:59,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:57:59,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:57:59,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:57:59,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:57:59,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:57:59,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:57:59,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:57:59,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:57:59,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:57:59,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:57:59,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:57:59,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:57:59,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:57:59,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:57:59,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:57:59,324 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:57:59,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:57:59,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:57:59,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:57:59,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:57:59,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:57:59,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:57:59,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:57:59,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:57:59,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:57:59,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:57:59,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:57:59,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:57:59,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:57:59,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:57:59,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:57:59,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:57:59,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:57:59,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:57:59,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:57:59,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:57:59,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:57:59,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 12:57:59,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:57:59,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:57:59,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:57:59,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:57:59,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:57:59,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:57:59,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:57:59,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:57:59,382 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:57:59,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:57:59,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:57:59,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:57:59,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:57:59,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:57:59,384 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 12:57:59,384 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 12:57:59,384 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 12:57:59,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:57:59,384 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:57:59,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:57:59,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:57:59,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:57:59,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:57:59,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:57:59,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:57:59,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:57:59,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:57:59,386 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 12:57:59,386 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 12:57:59,386 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:57:59,386 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:57:59,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:57:59,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 12:57:59,387 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 [2022-07-21 12:57:59,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:57:59,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:57:59,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:57:59,642 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:57:59,642 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:57:59,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-21 12:57:59,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345477907/6684d6c3cca0441ead3220aa56186994/FLAG652be642b [2022-07-21 12:58:00,482 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:58:00,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-21 12:58:00,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345477907/6684d6c3cca0441ead3220aa56186994/FLAG652be642b [2022-07-21 12:58:00,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345477907/6684d6c3cca0441ead3220aa56186994 [2022-07-21 12:58:00,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:58:00,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:58:00,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:58:00,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:58:00,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:58:00,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:58:00" (1/1) ... [2022-07-21 12:58:00,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16fa1681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:58:00, skipping insertion in model container [2022-07-21 12:58:00,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:58:00" (1/1) ... [2022-07-21 12:58:01,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:58:01,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:58:03,652 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-21 12:58:03,752 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-21 12:58:03,841 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-21 12:58:04,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-21 12:58:04,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:58:04,120 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 12:58:04,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:58:04,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-21 12:58:04,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:58:04,477 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:58:04,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-21 12:58:04,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:58:04,819 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:58:04,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:58:04 WrapperNode [2022-07-21 12:58:04,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:58:04,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:58:04,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:58:04,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:58:04,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:58:04" (1/1) ... [2022-07-21 12:58:04,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:58:04" (1/1) ... [2022-07-21 12:58:05,034 INFO L137 Inliner]: procedures = 455, calls = 4514, calls flagged for inlining = 181, calls inlined = 178, statements flattened = 8094 [2022-07-21 12:58:05,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:58:05,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:58:05,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:58:05,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:58:05,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:58:04" (1/1) ... [2022-07-21 12:58:05,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:58:04" (1/1) ... [2022-07-21 12:58:05,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:58:04" (1/1) ... [2022-07-21 12:58:05,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:58:04" (1/1) ... [2022-07-21 12:58:05,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:58:04" (1/1) ... [2022-07-21 12:58:05,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:58:04" (1/1) ... [2022-07-21 12:58:05,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:58:04" (1/1) ... [2022-07-21 12:58:05,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:58:05,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:58:05,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:58:05,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:58:05,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:58:04" (1/1) ... [2022-07-21 12:58:05,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:58:05,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:58:05,492 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) [2022-07-21 12:58:05,518 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 [2022-07-21 12:58:05,530 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-21 12:58:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-21 12:58:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-21 12:58:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-21 12:58:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-21 12:58:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-21 12:58:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-21 12:58:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-21 12:58:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 12:58:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 12:58:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:58:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:58:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 12:58:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 12:58:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:58:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:58:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-21 12:58:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-21 12:58:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-21 12:58:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-21 12:58:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2022-07-21 12:58:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2022-07-21 12:58:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-21 12:58:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-21 12:58:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2022-07-21 12:58:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2022-07-21 12:58:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-21 12:58:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-21 12:58:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 12:58:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 12:58:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-21 12:58:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-21 12:58:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 12:58:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 12:58:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 12:58:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 12:58:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-21 12:58:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-21 12:58:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-21 12:58:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-21 12:58:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-21 12:58:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-21 12:58:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-21 12:58:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-21 12:58:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-21 12:58:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-21 12:58:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-21 12:58:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-21 12:58:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:58:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:58:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 12:58:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 12:58:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:58:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-21 12:58:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-21 12:58:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 12:58:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 12:58:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 12:58:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 12:58:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-21 12:58:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-21 12:58:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 12:58:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 12:58:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-21 12:58:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-21 12:58:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-21 12:58:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-21 12:58:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 12:58:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 12:58:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 12:58:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 12:58:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-21 12:58:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-21 12:58:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-21 12:58:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-21 12:58:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-07-21 12:58:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-07-21 12:58:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_10 [2022-07-21 12:58:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_10 [2022-07-21 12:58:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 12:58:05,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 12:58:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-21 12:58:05,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-21 12:58:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:58:05,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:58:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-21 12:58:05,545 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-21 12:58:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 12:58:05,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 12:58:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-21 12:58:05,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-21 12:58:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-21 12:58:05,546 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-21 12:58:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-21 12:58:05,546 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-21 12:58:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 12:58:05,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 12:58:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 12:58:05,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 12:58:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-21 12:58:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-21 12:58:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-21 12:58:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-21 12:58:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-21 12:58:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-21 12:58:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:58:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:58:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-21 12:58:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-21 12:58:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:58:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:58:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 12:58:05,551 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 12:58:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-21 12:58:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-21 12:58:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-21 12:58:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-21 12:58:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 12:58:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 12:58:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:58:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 12:58:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 12:58:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:58:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:58:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 12:58:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_10 [2022-07-21 12:58:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_10 [2022-07-21 12:58:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-21 12:58:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-21 12:58:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2022-07-21 12:58:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2022-07-21 12:58:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-21 12:58:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-21 12:58:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-07-21 12:58:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-07-21 12:58:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2022-07-21 12:58:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2022-07-21 12:58:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-21 12:58:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-21 12:58:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-21 12:58:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-21 12:58:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-21 12:58:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-21 12:58:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 12:58:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2022-07-21 12:58:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2022-07-21 12:58:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-21 12:58:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-21 12:58:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:58:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:58:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 12:58:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 12:58:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 12:58:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-21 12:58:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-21 12:58:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 12:58:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 12:58:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:58:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 12:58:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:58:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2022-07-21 12:58:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2022-07-21 12:58:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:58:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:58:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-21 12:58:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-21 12:58:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 12:58:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 12:58:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-21 12:58:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-21 12:58:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2022-07-21 12:58:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2022-07-21 12:58:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_9 [2022-07-21 12:58:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_9 [2022-07-21 12:58:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2022-07-21 12:58:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2022-07-21 12:58:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-21 12:58:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-21 12:58:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-21 12:58:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-21 12:58:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-07-21 12:58:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-07-21 12:58:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-21 12:58:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-21 12:58:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-21 12:58:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-21 12:58:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2022-07-21 12:58:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2022-07-21 12:58:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:58:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:58:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-21 12:58:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-21 12:58:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 12:58:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 12:58:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-21 12:58:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-21 12:58:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:58:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:58:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-21 12:58:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-21 12:58:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:58:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:58:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2022-07-21 12:58:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2022-07-21 12:58:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-21 12:58:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-21 12:58:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:58:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-21 12:58:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-21 12:58:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:58:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2022-07-21 12:58:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 12:58:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2022-07-21 12:58:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 12:58:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 12:58:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2022-07-21 12:58:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-21 12:58:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-21 12:58:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2022-07-21 12:58:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2022-07-21 12:58:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_beacon_work [2022-07-21 12:58:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_beacon_work [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-21 12:58:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-21 12:58:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-21 12:58:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2022-07-21 12:58:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-21 12:58:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-21 12:58:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-21 12:58:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:58:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-21 12:58:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-21 12:58:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-21 12:58:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-21 12:58:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2022-07-21 12:58:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2022-07-21 12:58:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:58:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:58:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 12:58:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 12:58:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-21 12:58:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-21 12:58:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2022-07-21 12:58:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2022-07-21 12:58:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-21 12:58:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-21 12:58:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-21 12:58:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-21 12:58:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 12:58:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 12:58:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 12:58:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 12:58:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-21 12:58:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-21 12:58:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-21 12:58:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-21 12:58:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-21 12:58:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-21 12:58:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2022-07-21 12:58:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2022-07-21 12:58:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-21 12:58:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-21 12:58:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-21 12:58:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-21 12:58:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-21 12:58:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-21 12:58:06,417 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:58:06,420 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:58:09,017 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:58:58,997 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:58:59,020 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:58:59,020 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2022-07-21 12:58:59,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:58:59 BoogieIcfgContainer [2022-07-21 12:58:59,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:58:59,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:58:59,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:58:59,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:58:59,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:58:00" (1/3) ... [2022-07-21 12:58:59,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f7eb5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:58:59, skipping insertion in model container [2022-07-21 12:58:59,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:58:04" (2/3) ... [2022-07-21 12:58:59,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f7eb5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:58:59, skipping insertion in model container [2022-07-21 12:58:59,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:58:59" (3/3) ... [2022-07-21 12:58:59,029 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-21 12:58:59,038 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:58:59,038 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:58:59,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:58:59,142 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@40fd5220, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@148732c7 [2022-07-21 12:58:59,142 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:58:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 3746 states, 2156 states have (on average 1.312152133580705) internal successors, (2829), 2311 states have internal predecessors, (2829), 1537 states have call successors, (1537), 130 states have call predecessors, (1537), 129 states have return successors, (1522), 1485 states have call predecessors, (1522), 1522 states have call successors, (1522) [2022-07-21 12:58:59,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-07-21 12:58:59,182 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:58:59,183 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:58:59,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:58:59,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:58:59,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1156017786, now seen corresponding path program 1 times [2022-07-21 12:58:59,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:58:59,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313040579] [2022-07-21 12:58:59,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:58:59,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:58:59,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:58:59,208 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) [2022-07-21 12:58:59,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 12:59:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:59:08,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 4399 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 12:59:08,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:59:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2022-07-21 12:59:08,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:59:08,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:59:08,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313040579] [2022-07-21 12:59:08,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313040579] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:59:08,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:59:08,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:59:08,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515503947] [2022-07-21 12:59:08,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:59:08,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 12:59:08,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:59:08,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 12:59:08,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:59:08,655 INFO L87 Difference]: Start difference. First operand has 3746 states, 2156 states have (on average 1.312152133580705) internal successors, (2829), 2311 states have internal predecessors, (2829), 1537 states have call successors, (1537), 130 states have call predecessors, (1537), 129 states have return successors, (1522), 1485 states have call predecessors, (1522), 1522 states have call successors, (1522) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 12:59:08,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:59:08,864 INFO L93 Difference]: Finished difference Result 7253 states and 11443 transitions. [2022-07-21 12:59:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 12:59:08,866 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 279 [2022-07-21 12:59:08,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:59:08,907 INFO L225 Difference]: With dead ends: 7253 [2022-07-21 12:59:08,907 INFO L226 Difference]: Without dead ends: 3484 [2022-07-21 12:59:08,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:59:08,941 INFO L413 NwaCegarLoop]: 5416 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5416 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:59:08,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5416 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:59:08,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2022-07-21 12:59:09,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3484. [2022-07-21 12:59:09,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3484 states, 1911 states have (on average 1.3003663003663004) internal successors, (2485), 1980 states have internal predecessors, (2485), 1444 states have call successors, (1444), 129 states have call predecessors, (1444), 128 states have return successors, (1443), 1406 states have call predecessors, (1443), 1443 states have call successors, (1443) [2022-07-21 12:59:09,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 5372 transitions. [2022-07-21 12:59:09,270 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 5372 transitions. Word has length 279 [2022-07-21 12:59:09,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:59:09,272 INFO L495 AbstractCegarLoop]: Abstraction has 3484 states and 5372 transitions. [2022-07-21 12:59:09,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 12:59:09,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 5372 transitions. [2022-07-21 12:59:09,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-07-21 12:59:09,278 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:59:09,279 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:59:09,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 12:59:09,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:59:09,498 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:59:09,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:59:09,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1870882658, now seen corresponding path program 1 times [2022-07-21 12:59:09,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:59:09,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439905786] [2022-07-21 12:59:09,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:59:09,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:59:09,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:59:09,504 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) [2022-07-21 12:59:09,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 12:59:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:59:21,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 4399 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 12:59:21,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:59:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2022-07-21 12:59:22,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:59:22,153 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:59:22,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439905786] [2022-07-21 12:59:22,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1439905786] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:59:22,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:59:22,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:59:22,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030022480] [2022-07-21 12:59:22,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:59:22,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:59:22,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:59:22,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:59:22,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:59:22,156 INFO L87 Difference]: Start difference. First operand 3484 states and 5372 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 12:59:23,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:59:23,485 INFO L93 Difference]: Finished difference Result 6946 states and 10737 transitions. [2022-07-21 12:59:23,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:59:23,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 279 [2022-07-21 12:59:23,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:59:23,516 INFO L225 Difference]: With dead ends: 6946 [2022-07-21 12:59:23,517 INFO L226 Difference]: Without dead ends: 3485 [2022-07-21 12:59:23,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:59:23,540 INFO L413 NwaCegarLoop]: 5357 mSDtfsCounter, 6 mSDsluCounter, 21394 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 26751 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 12:59:23,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 26751 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 12:59:23,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3485 states. [2022-07-21 12:59:23,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3485 to 3485. [2022-07-21 12:59:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3485 states, 1912 states have (on average 1.3002092050209204) internal successors, (2486), 1981 states have internal predecessors, (2486), 1444 states have call successors, (1444), 129 states have call predecessors, (1444), 128 states have return successors, (1443), 1406 states have call predecessors, (1443), 1443 states have call successors, (1443) [2022-07-21 12:59:23,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3485 states and 5373 transitions. [2022-07-21 12:59:23,698 INFO L78 Accepts]: Start accepts. Automaton has 3485 states and 5373 transitions. Word has length 279 [2022-07-21 12:59:23,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:59:23,699 INFO L495 AbstractCegarLoop]: Abstraction has 3485 states and 5373 transitions. [2022-07-21 12:59:23,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 12:59:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3485 states and 5373 transitions. [2022-07-21 12:59:23,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-21 12:59:23,704 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:59:23,704 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:59:23,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 12:59:23,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:59:23,905 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:59:23,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:59:23,905 INFO L85 PathProgramCache]: Analyzing trace with hash -441142654, now seen corresponding path program 1 times [2022-07-21 12:59:23,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:59:23,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333462634] [2022-07-21 12:59:23,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:59:23,911 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:59:23,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:59:23,913 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) [2022-07-21 12:59:23,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 12:59:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:59:37,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 4465 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 12:59:37,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:59:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 1049 trivial. 0 not checked. [2022-07-21 12:59:38,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:59:39,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2022-07-21 12:59:39,805 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:59:39,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1333462634] [2022-07-21 12:59:39,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1333462634] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:59:39,806 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:59:39,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-21 12:59:39,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127624691] [2022-07-21 12:59:39,806 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:59:39,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 12:59:39,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:59:39,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 12:59:39,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:59:39,808 INFO L87 Difference]: Start difference. First operand 3485 states and 5373 transitions. Second operand has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-21 12:59:42,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:59:42,158 INFO L93 Difference]: Finished difference Result 6958 states and 10753 transitions. [2022-07-21 12:59:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 12:59:42,160 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 285 [2022-07-21 12:59:42,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:59:42,187 INFO L225 Difference]: With dead ends: 6958 [2022-07-21 12:59:42,188 INFO L226 Difference]: Without dead ends: 3501 [2022-07-21 12:59:42,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-21 12:59:42,210 INFO L413 NwaCegarLoop]: 5360 mSDtfsCounter, 14 mSDsluCounter, 32107 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 37467 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:59:42,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 37467 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-21 12:59:42,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2022-07-21 12:59:42,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 3501. [2022-07-21 12:59:42,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3501 states, 1923 states have (on average 1.2990119604784192) internal successors, (2498), 1992 states have internal predecessors, (2498), 1446 states have call successors, (1446), 132 states have call predecessors, (1446), 131 states have return successors, (1445), 1408 states have call predecessors, (1445), 1445 states have call successors, (1445) [2022-07-21 12:59:42,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3501 states and 5389 transitions. [2022-07-21 12:59:42,365 INFO L78 Accepts]: Start accepts. Automaton has 3501 states and 5389 transitions. Word has length 285 [2022-07-21 12:59:42,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:59:42,367 INFO L495 AbstractCegarLoop]: Abstraction has 3501 states and 5389 transitions. [2022-07-21 12:59:42,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-21 12:59:42,367 INFO L276 IsEmpty]: Start isEmpty. Operand 3501 states and 5389 transitions. [2022-07-21 12:59:42,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-07-21 12:59:42,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:59:42,370 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:59:42,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 12:59:42,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:59:42,583 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:59:42,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:59:42,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1156138526, now seen corresponding path program 2 times [2022-07-21 12:59:42,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:59:42,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [592502793] [2022-07-21 12:59:42,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:59:42,588 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:59:42,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:59:42,591 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) [2022-07-21 12:59:42,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 12:59:52,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:59:52,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:59:52,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 3692 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:59:52,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:59:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2022-07-21 12:59:52,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:59:52,897 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:59:52,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [592502793] [2022-07-21 12:59:52,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [592502793] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:59:52,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:59:52,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 12:59:52,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953385536] [2022-07-21 12:59:52,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:59:52,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:59:52,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:59:52,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:59:52,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:59:52,898 INFO L87 Difference]: Start difference. First operand 3501 states and 5389 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-21 12:59:54,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:59:54,046 INFO L93 Difference]: Finished difference Result 9835 states and 15173 transitions. [2022-07-21 12:59:54,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:59:54,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 291 [2022-07-21 12:59:54,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:59:54,101 INFO L225 Difference]: With dead ends: 9835 [2022-07-21 12:59:54,102 INFO L226 Difference]: Without dead ends: 6384 [2022-07-21 12:59:54,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:59:54,133 INFO L413 NwaCegarLoop]: 7448 mSDtfsCounter, 4502 mSDsluCounter, 5249 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4502 SdHoareTripleChecker+Valid, 12697 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 12:59:54,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4502 Valid, 12697 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 12:59:54,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6384 states. [2022-07-21 12:59:54,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6384 to 6380. [2022-07-21 12:59:54,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6380 states, 3452 states have (on average 1.2989571263035922) internal successors, (4484), 3569 states have internal predecessors, (4484), 2678 states have call successors, (2678), 248 states have call predecessors, (2678), 249 states have return successors, (2686), 2624 states have call predecessors, (2686), 2677 states have call successors, (2686) [2022-07-21 12:59:54,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6380 states to 6380 states and 9848 transitions. [2022-07-21 12:59:54,522 INFO L78 Accepts]: Start accepts. Automaton has 6380 states and 9848 transitions. Word has length 291 [2022-07-21 12:59:54,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:59:54,524 INFO L495 AbstractCegarLoop]: Abstraction has 6380 states and 9848 transitions. [2022-07-21 12:59:54,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-21 12:59:54,525 INFO L276 IsEmpty]: Start isEmpty. Operand 6380 states and 9848 transitions. [2022-07-21 12:59:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-07-21 12:59:54,532 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:59:54,533 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-21 12:59:54,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 12:59:54,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:59:54,760 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:59:54,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:59:54,760 INFO L85 PathProgramCache]: Analyzing trace with hash -893825162, now seen corresponding path program 1 times [2022-07-21 12:59:54,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:59:54,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042971452] [2022-07-21 12:59:54,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:59:54,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:59:54,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:59:54,766 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) [2022-07-21 12:59:54,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 13:00:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:00:10,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 4846 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 13:00:10,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:00:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 1112 trivial. 0 not checked. [2022-07-21 13:00:10,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:00:13,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-07-21 13:00:13,241 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:00:13,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042971452] [2022-07-21 13:00:13,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2042971452] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 13:00:13,242 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 13:00:13,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-21 13:00:13,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527938762] [2022-07-21 13:00:13,242 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 13:00:13,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 13:00:13,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:00:13,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 13:00:13,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-21 13:00:13,244 INFO L87 Difference]: Start difference. First operand 6380 states and 9848 transitions. Second operand has 13 states, 11 states have (on average 10.818181818181818) internal successors, (119), 13 states have internal predecessors, (119), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-21 13:00:15,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:00:15,974 INFO L93 Difference]: Finished difference Result 12750 states and 19715 transitions. [2022-07-21 13:00:15,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 13:00:15,976 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 10.818181818181818) internal successors, (119), 13 states have internal predecessors, (119), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 340 [2022-07-21 13:00:15,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:00:16,033 INFO L225 Difference]: With dead ends: 12750 [2022-07-21 13:00:16,034 INFO L226 Difference]: Without dead ends: 6393 [2022-07-21 13:00:16,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 683 GetRequests, 667 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-21 13:00:16,073 INFO L413 NwaCegarLoop]: 5360 mSDtfsCounter, 23 mSDsluCounter, 26768 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 32128 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:00:16,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 32128 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 13:00:16,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6393 states. [2022-07-21 13:00:16,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6393 to 6393. [2022-07-21 13:00:16,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6393 states, 3462 states have (on average 1.2986712882726748) internal successors, (4496), 3579 states have internal predecessors, (4496), 2679 states have call successors, (2679), 250 states have call predecessors, (2679), 251 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687) [2022-07-21 13:00:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6393 states to 6393 states and 9862 transitions. [2022-07-21 13:00:16,507 INFO L78 Accepts]: Start accepts. Automaton has 6393 states and 9862 transitions. Word has length 340 [2022-07-21 13:00:16,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:00:16,508 INFO L495 AbstractCegarLoop]: Abstraction has 6393 states and 9862 transitions. [2022-07-21 13:00:16,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 10.818181818181818) internal successors, (119), 13 states have internal predecessors, (119), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-21 13:00:16,509 INFO L276 IsEmpty]: Start isEmpty. Operand 6393 states and 9862 transitions. [2022-07-21 13:00:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2022-07-21 13:00:16,517 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:00:16,518 INFO L195 NwaCegarLoop]: trace histogram [17, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-21 13:00:16,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 13:00:16,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:00:16,736 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:00:16,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:00:16,736 INFO L85 PathProgramCache]: Analyzing trace with hash -759897951, now seen corresponding path program 1 times [2022-07-21 13:00:16,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:00:16,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150741596] [2022-07-21 13:00:16,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:00:16,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:00:16,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:00:16,743 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) [2022-07-21 13:00:16,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 13:00:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:00:32,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 4905 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 13:00:32,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:00:32,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2022-07-21 13:00:32,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:00:35,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2022-07-21 13:00:35,428 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:00:35,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150741596] [2022-07-21 13:00:35,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150741596] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 13:00:35,429 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 13:00:35,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-21 13:00:35,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859990702] [2022-07-21 13:00:35,429 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 13:00:35,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 13:00:35,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:00:35,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 13:00:35,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-21 13:00:35,431 INFO L87 Difference]: Start difference. First operand 6393 states and 9862 transitions. Second operand has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-21 13:00:38,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:00:38,901 INFO L93 Difference]: Finished difference Result 12770 states and 19732 transitions. [2022-07-21 13:00:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 13:00:38,902 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 347 [2022-07-21 13:00:38,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:00:38,937 INFO L225 Difference]: With dead ends: 12770 [2022-07-21 13:00:38,937 INFO L226 Difference]: Without dead ends: 6395 [2022-07-21 13:00:38,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-21 13:00:38,963 INFO L413 NwaCegarLoop]: 5361 mSDtfsCounter, 28 mSDsluCounter, 37462 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 42823 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:00:38,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 42823 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-21 13:00:38,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6395 states. [2022-07-21 13:00:39,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6395 to 6395. [2022-07-21 13:00:39,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6395 states, 3464 states have (on average 1.298498845265589) internal successors, (4498), 3581 states have internal predecessors, (4498), 2679 states have call successors, (2679), 250 states have call predecessors, (2679), 251 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687) [2022-07-21 13:00:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6395 states to 6395 states and 9864 transitions. [2022-07-21 13:00:39,262 INFO L78 Accepts]: Start accepts. Automaton has 6395 states and 9864 transitions. Word has length 347 [2022-07-21 13:00:39,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:00:39,262 INFO L495 AbstractCegarLoop]: Abstraction has 6395 states and 9864 transitions. [2022-07-21 13:00:39,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-21 13:00:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 6395 states and 9864 transitions. [2022-07-21 13:00:39,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-07-21 13:00:39,268 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:00:39,268 INFO L195 NwaCegarLoop]: trace histogram [22, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-21 13:00:39,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 13:00:39,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:00:39,496 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:00:39,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:00:39,496 INFO L85 PathProgramCache]: Analyzing trace with hash 896705633, now seen corresponding path program 1 times [2022-07-21 13:00:39,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:00:39,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478157279] [2022-07-21 13:00:39,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:00:39,500 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:00:39,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:00:39,501 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) [2022-07-21 13:00:39,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 13:00:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:01:00,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 4964 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 13:01:00,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:01:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 269 proven. 10 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2022-07-21 13:01:00,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:01:03,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 114 proven. 41 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2022-07-21 13:01:03,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:01:03,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478157279] [2022-07-21 13:01:03,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478157279] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 13:01:03,772 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 13:01:03,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-21 13:01:03,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080064905] [2022-07-21 13:01:03,773 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 13:01:03,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-21 13:01:03,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:01:03,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-21 13:01:03,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-21 13:01:03,774 INFO L87 Difference]: Start difference. First operand 6395 states and 9864 transitions. Second operand has 17 states, 15 states have (on average 8.066666666666666) internal successors, (121), 17 states have internal predecessors, (121), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-21 13:01:07,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:01:07,115 INFO L93 Difference]: Finished difference Result 12777 states and 19743 transitions. [2022-07-21 13:01:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 13:01:07,116 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 8.066666666666666) internal successors, (121), 17 states have internal predecessors, (121), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 348 [2022-07-21 13:01:07,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:01:07,152 INFO L225 Difference]: With dead ends: 12777 [2022-07-21 13:01:07,152 INFO L226 Difference]: Without dead ends: 6405 [2022-07-21 13:01:07,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-21 13:01:07,185 INFO L413 NwaCegarLoop]: 5359 mSDtfsCounter, 40 mSDsluCounter, 53522 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 58881 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:01:07,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 58881 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-21 13:01:07,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6405 states. [2022-07-21 13:01:07,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6405 to 6405. [2022-07-21 13:01:07,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6405 states, 3473 states have (on average 1.2985891160380074) internal successors, (4510), 3590 states have internal predecessors, (4510), 2679 states have call successors, (2679), 251 states have call predecessors, (2679), 252 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687) [2022-07-21 13:01:07,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 9876 transitions. [2022-07-21 13:01:07,589 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 9876 transitions. Word has length 348 [2022-07-21 13:01:07,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:01:07,590 INFO L495 AbstractCegarLoop]: Abstraction has 6405 states and 9876 transitions. [2022-07-21 13:01:07,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 8.066666666666666) internal successors, (121), 17 states have internal predecessors, (121), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-21 13:01:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 9876 transitions. [2022-07-21 13:01:07,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-07-21 13:01:07,596 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:01:07,596 INFO L195 NwaCegarLoop]: trace histogram [23, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-21 13:01:07,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 13:01:07,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:01:07,811 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:01:07,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:01:07,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1979034623, now seen corresponding path program 2 times [2022-07-21 13:01:07,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:01:07,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170046870] [2022-07-21 13:01:07,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 13:01:07,815 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:01:07,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:01:07,822 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) [2022-07-21 13:01:07,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 13:01:16,953 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 13:01:16,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 13:01:17,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 3934 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:01:17,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:01:21,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1453 trivial. 0 not checked. [2022-07-21 13:01:21,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:01:21,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:01:21,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170046870] [2022-07-21 13:01:21,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1170046870] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:01:21,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:01:21,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:01:21,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139951455] [2022-07-21 13:01:21,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:01:21,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:01:21,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:01:21,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:01:21,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:01:21,593 INFO L87 Difference]: Start difference. First operand 6405 states and 9876 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 13:01:22,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:01:22,330 INFO L93 Difference]: Finished difference Result 19103 states and 29514 transitions. [2022-07-21 13:01:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:01:22,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 349 [2022-07-21 13:01:22,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:01:22,402 INFO L225 Difference]: With dead ends: 19103 [2022-07-21 13:01:22,402 INFO L226 Difference]: Without dead ends: 12759 [2022-07-21 13:01:22,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 13:01:22,433 INFO L413 NwaCegarLoop]: 6848 mSDtfsCounter, 5288 mSDsluCounter, 18994 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5292 SdHoareTripleChecker+Valid, 25842 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:01:22,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5292 Valid, 25842 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 13:01:22,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12759 states. [2022-07-21 13:01:23,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12759 to 12744. [2022-07-21 13:01:23,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12744 states, 6906 states have (on average 1.2984361424847959) internal successors, (8967), 7140 states have internal predecessors, (8967), 5336 states have call successors, (5336), 498 states have call predecessors, (5336), 501 states have return successors, (5365), 5229 states have call predecessors, (5365), 5335 states have call successors, (5365) [2022-07-21 13:01:23,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12744 states to 12744 states and 19668 transitions. [2022-07-21 13:01:23,095 INFO L78 Accepts]: Start accepts. Automaton has 12744 states and 19668 transitions. Word has length 349 [2022-07-21 13:01:23,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:01:23,096 INFO L495 AbstractCegarLoop]: Abstraction has 12744 states and 19668 transitions. [2022-07-21 13:01:23,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 13:01:23,096 INFO L276 IsEmpty]: Start isEmpty. Operand 12744 states and 19668 transitions. [2022-07-21 13:01:23,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-07-21 13:01:23,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:01:23,102 INFO L195 NwaCegarLoop]: trace histogram [23, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-21 13:01:23,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 13:01:23,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:01:23,320 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:01:23,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:01:23,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1853553195, now seen corresponding path program 1 times [2022-07-21 13:01:23,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:01:23,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379747814] [2022-07-21 13:01:23,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:01:23,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:01:23,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:01:23,336 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) [2022-07-21 13:01:23,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 13:01:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:01:43,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 4969 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-21 13:01:43,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:01:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 292 proven. 15 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2022-07-21 13:01:44,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:01:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 132 proven. 51 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2022-07-21 13:01:48,139 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:01:48,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379747814] [2022-07-21 13:01:48,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1379747814] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 13:01:48,139 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 13:01:48,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2022-07-21 13:01:48,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431125756] [2022-07-21 13:01:48,140 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 13:01:48,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-21 13:01:48,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:01:48,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-21 13:01:48,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-07-21 13:01:48,141 INFO L87 Difference]: Start difference. First operand 12744 states and 19668 transitions. Second operand has 19 states, 17 states have (on average 7.411764705882353) internal successors, (126), 19 states have internal predecessors, (126), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-21 13:01:52,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:01:52,460 INFO L93 Difference]: Finished difference Result 25453 states and 39346 transitions. [2022-07-21 13:01:52,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-21 13:01:52,461 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 7.411764705882353) internal successors, (126), 19 states have internal predecessors, (126), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 352 [2022-07-21 13:01:52,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:01:52,527 INFO L225 Difference]: With dead ends: 25453 [2022-07-21 13:01:52,527 INFO L226 Difference]: Without dead ends: 12748 [2022-07-21 13:01:52,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 685 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2022-07-21 13:01:52,585 INFO L413 NwaCegarLoop]: 5359 mSDtfsCounter, 49 mSDsluCounter, 69585 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 74944 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:01:52,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 74944 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-21 13:01:52,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12748 states. [2022-07-21 13:01:53,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12748 to 12748. [2022-07-21 13:01:53,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12748 states, 6910 states have (on average 1.2982633863965267) internal successors, (8971), 7144 states have internal predecessors, (8971), 5336 states have call successors, (5336), 498 states have call predecessors, (5336), 501 states have return successors, (5365), 5229 states have call predecessors, (5365), 5335 states have call successors, (5365) [2022-07-21 13:01:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12748 states to 12748 states and 19672 transitions. [2022-07-21 13:01:53,411 INFO L78 Accepts]: Start accepts. Automaton has 12748 states and 19672 transitions. Word has length 352 [2022-07-21 13:01:53,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:01:53,413 INFO L495 AbstractCegarLoop]: Abstraction has 12748 states and 19672 transitions. [2022-07-21 13:01:53,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 7.411764705882353) internal successors, (126), 19 states have internal predecessors, (126), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-21 13:01:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 12748 states and 19672 transitions. [2022-07-21 13:01:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-07-21 13:01:53,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:01:53,429 INFO L195 NwaCegarLoop]: trace histogram [24, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-21 13:01:53,645 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forcibly destroying the process [2022-07-21 13:01:53,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 13:01:53,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:01:53,736 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:01:53,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:01:53,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1403453194, now seen corresponding path program 2 times [2022-07-21 13:01:53,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:01:53,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911003408] [2022-07-21 13:01:53,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 13:01:53,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:01:53,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:01:53,759 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) [2022-07-21 13:01:53,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 13:02:03,029 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 13:02:03,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 13:02:03,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 3922 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:02:03,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:02:07,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2022-07-21 13:02:07,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:02:07,361 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:02:07,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911003408] [2022-07-21 13:02:07,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1911003408] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:02:07,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:02:07,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:02:07,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605691777] [2022-07-21 13:02:07,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:02:07,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:02:07,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:02:07,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:02:07,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:02:07,363 INFO L87 Difference]: Start difference. First operand 12748 states and 19672 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 13:02:08,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:02:08,241 INFO L93 Difference]: Finished difference Result 38158 states and 58912 transitions. [2022-07-21 13:02:08,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:02:08,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 352 [2022-07-21 13:02:08,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:02:08,375 INFO L225 Difference]: With dead ends: 38158 [2022-07-21 13:02:08,375 INFO L226 Difference]: Without dead ends: 25471 [2022-07-21 13:02:08,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 13:02:08,487 INFO L413 NwaCegarLoop]: 7047 mSDtfsCounter, 5293 mSDsluCounter, 19396 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5297 SdHoareTripleChecker+Valid, 26443 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:02:08,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5297 Valid, 26443 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 13:02:08,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25471 states. [2022-07-21 13:02:09,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25471 to 25428. [2022-07-21 13:02:09,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25428 states, 13776 states have (on average 1.2988530778164924) internal successors, (17893), 14260 states have internal predecessors, (17893), 10650 states have call successors, (10650), 994 states have call predecessors, (10650), 1001 states have return successors, (10709), 10421 states have call predecessors, (10709), 10649 states have call successors, (10709) [2022-07-21 13:02:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25428 states to 25428 states and 39252 transitions. [2022-07-21 13:02:09,998 INFO L78 Accepts]: Start accepts. Automaton has 25428 states and 39252 transitions. Word has length 352 [2022-07-21 13:02:09,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:02:09,999 INFO L495 AbstractCegarLoop]: Abstraction has 25428 states and 39252 transitions. [2022-07-21 13:02:09,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 13:02:09,999 INFO L276 IsEmpty]: Start isEmpty. Operand 25428 states and 39252 transitions. [2022-07-21 13:02:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-07-21 13:02:10,007 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:02:10,007 INFO L195 NwaCegarLoop]: trace histogram [24, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-21 13:02:10,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 13:02:10,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:02:10,224 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:02:10,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:02:10,224 INFO L85 PathProgramCache]: Analyzing trace with hash -614800764, now seen corresponding path program 1 times [2022-07-21 13:02:10,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:02:10,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008045104] [2022-07-21 13:02:10,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:02:10,337 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:02:10,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:02:10,356 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:02:10,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process