./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 12:39:58,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:39:58,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:39:58,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:39:58,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:39:58,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:39:58,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:39:58,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:39:58,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:39:58,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:39:58,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:39:58,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:39:58,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:39:58,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:39:58,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:39:58,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:39:58,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:39:58,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:39:58,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:39:58,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:39:58,106 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:39:58,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:39:58,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:39:58,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:39:58,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:39:58,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:39:58,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:39:58,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:39:58,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:39:58,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:39:58,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:39:58,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:39:58,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:39:58,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:39:58,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:39:58,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:39:58,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:39:58,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:39:58,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:39:58,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:39:58,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:39:58,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:39:58,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:39:58,154 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:39:58,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:39:58,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:39:58,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:39:58,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:39:58,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:39:58,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:39:58,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:39:58,156 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:39:58,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:39:58,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:39:58,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:39:58,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:39:58,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:39:58,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:39:58,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:39:58,158 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:39:58,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:39:58,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:39:58,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:39:58,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:39:58,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:39:58,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:39:58,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:39:58,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:39:58,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:39:58,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:39:58,161 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:39:58,161 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:39:58,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:39:58,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2022-07-12 12:39:58,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:39:58,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:39:58,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:39:58,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:39:58,375 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:39:58,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-12 12:39:58,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/243871e60/b235ecd3ac894e60bb7751a3dd36477a/FLAG938e16d59 [2022-07-12 12:39:59,051 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:39:59,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-12 12:39:59,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/243871e60/b235ecd3ac894e60bb7751a3dd36477a/FLAG938e16d59 [2022-07-12 12:39:59,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/243871e60/b235ecd3ac894e60bb7751a3dd36477a [2022-07-12 12:39:59,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:39:59,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:39:59,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:39:59,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:39:59,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:39:59,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:39:59" (1/1) ... [2022-07-12 12:39:59,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5894d435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:59, skipping insertion in model container [2022-07-12 12:39:59,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:39:59" (1/1) ... [2022-07-12 12:39:59,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:39:59,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:40:00,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-12 12:40:01,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:40:01,793 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:40:01,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-12 12:40:02,000 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9309] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-12 12:40:02,008 INFO L158 Benchmark]: Toolchain (without parser) took 2829.93ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 75.4MB in the beginning and 67.0MB in the end (delta: 8.4MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2022-07-12 12:40:02,009 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 75.5MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:40:02,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2828.51ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 75.1MB in the beginning and 67.0MB in the end (delta: 8.1MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2022-07-12 12:40:02,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 75.5MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2828.51ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 75.1MB in the beginning and 67.0MB in the end (delta: 8.1MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9309] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9309]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 12:40:03,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:40:03,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:40:03,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:40:03,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:40:03,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:40:03,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:40:03,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:40:03,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:40:03,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:40:03,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:40:03,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:40:03,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:40:03,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:40:03,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:40:03,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:40:03,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:40:03,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:40:03,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:40:03,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:40:03,625 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:40:03,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:40:03,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:40:03,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:40:03,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:40:03,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:40:03,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:40:03,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:40:03,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:40:03,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:40:03,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:40:03,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:40:03,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:40:03,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:40:03,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:40:03,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:40:03,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:40:03,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:40:03,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:40:03,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:40:03,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:40:03,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:40:03,654 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 12:40:03,679 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:40:03,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:40:03,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:40:03,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:40:03,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:40:03,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:40:03,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:40:03,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:40:03,682 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:40:03,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:40:03,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:40:03,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:40:03,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:40:03,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:40:03,684 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 12:40:03,684 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 12:40:03,684 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 12:40:03,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:40:03,684 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:40:03,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:40:03,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:40:03,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:40:03,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:40:03,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:40:03,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:40:03,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:40:03,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:40:03,686 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 12:40:03,686 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 12:40:03,686 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:40:03,687 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:40:03,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:40:03,687 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 12:40:03,687 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2022-07-12 12:40:03,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:40:03,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:40:03,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:40:03,958 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:40:03,958 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:40:03,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-12 12:40:04,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d9dfa6b/512ae29865f440f4868ff6c717da019d/FLAGc238b37d8 [2022-07-12 12:40:04,674 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:40:04,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-12 12:40:04,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d9dfa6b/512ae29865f440f4868ff6c717da019d/FLAGc238b37d8 [2022-07-12 12:40:05,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d9dfa6b/512ae29865f440f4868ff6c717da019d [2022-07-12 12:40:05,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:40:05,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:40:05,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:40:05,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:40:05,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:40:05,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:40:05" (1/1) ... [2022-07-12 12:40:05,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79503b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:40:05, skipping insertion in model container [2022-07-12 12:40:05,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:40:05" (1/1) ... [2022-07-12 12:40:05,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:40:05,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:40:06,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-12 12:40:07,375 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-12 12:40:07,461 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-12 12:40:07,532 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-12 12:40:07,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:40:07,890 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 12:40:08,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:40:08,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-12 12:40:08,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:40:08,367 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:40:08,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-12 12:40:08,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:40:08,830 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:40:08,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:40:08 WrapperNode [2022-07-12 12:40:08,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:40:08,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:40:08,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:40:08,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:40:08,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:40:08" (1/1) ... [2022-07-12 12:40:08,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:40:08" (1/1) ... [2022-07-12 12:40:09,111 INFO L137 Inliner]: procedures = 397, calls = 4296, calls flagged for inlining = 180, calls inlined = 177, statements flattened = 7899 [2022-07-12 12:40:09,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:40:09,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:40:09,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:40:09,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:40:09,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:40:08" (1/1) ... [2022-07-12 12:40:09,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:40:08" (1/1) ... [2022-07-12 12:40:09,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:40:08" (1/1) ... [2022-07-12 12:40:09,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:40:08" (1/1) ... [2022-07-12 12:40:09,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:40:08" (1/1) ... [2022-07-12 12:40:09,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:40:08" (1/1) ... [2022-07-12 12:40:09,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:40:08" (1/1) ... [2022-07-12 12:40:09,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:40:09,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:40:09,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:40:09,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:40:09,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:40:08" (1/1) ... [2022-07-12 12:40:09,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:40:09,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:40:09,414 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) [2022-07-12 12:40:09,428 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 [2022-07-12 12:40:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-12 12:40:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-12 12:40:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-12 12:40:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-12 12:40:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-12 12:40:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-12 12:40:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-12 12:40:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-12 12:40:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 12:40:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 12:40:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:40:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:40:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-12 12:40:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-12 12:40:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-12 12:40:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-12 12:40:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-12 12:40:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-12 12:40:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2022-07-12 12:40:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2022-07-12 12:40:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-12 12:40:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-12 12:40:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2022-07-12 12:40:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2022-07-12 12:40:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 12:40:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 12:40:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-12 12:40:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-12 12:40:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 12:40:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 12:40:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 12:40:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 12:40:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-12 12:40:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-12 12:40:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-12 12:40:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-12 12:40:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-12 12:40:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-12 12:40:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-12 12:40:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-12 12:40:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-12 12:40:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-12 12:40:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-12 12:40:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-12 12:40:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-12 12:40:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 12:40:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 12:40:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 12:40:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 12:40:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:40:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-12 12:40:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-12 12:40:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 12:40:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 12:40:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 12:40:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 12:40:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-12 12:40:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-12 12:40:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 12:40:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 12:40:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-12 12:40:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-12 12:40:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-12 12:40:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-12 12:40:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 12:40:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 12:40:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 12:40:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 12:40:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-12 12:40:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-12 12:40:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-12 12:40:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-12 12:40:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 12:40:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 12:40:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-12 12:40:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-12 12:40:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:40:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:40:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-12 12:40:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-12 12:40:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-12 12:40:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-12 12:40:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-12 12:40:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-12 12:40:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-12 12:40:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-12 12:40:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 12:40:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 12:40:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 12:40:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 12:40:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-12 12:40:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-12 12:40:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-12 12:40:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-12 12:40:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-12 12:40:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-12 12:40:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-12 12:40:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:40:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:40:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 12:40:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 12:40:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-12 12:40:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-12 12:40:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-12 12:40:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-12 12:40:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 12:40:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 12:40:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:40:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 12:40:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 12:40:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 12:40:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 12:40:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 12:40:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-12 12:40:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-12 12:40:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2022-07-12 12:40:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2022-07-12 12:40:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-12 12:40:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-12 12:40:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 12:40:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 12:40:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2022-07-12 12:40:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2022-07-12 12:40:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-12 12:40:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-12 12:40:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-12 12:40:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-12 12:40:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-12 12:40:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-12 12:40:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 12:40:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2022-07-12 12:40:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-12 12:40:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:40:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2022-07-12 12:40:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 12:40:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-12 12:40:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2022-07-12 12:40:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:40:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-12 12:40:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-12 12:40:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 12:40:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 12:40:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-12 12:40:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-12 12:40:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2022-07-12 12:40:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2022-07-12 12:40:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2022-07-12 12:40:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2022-07-12 12:40:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2022-07-12 12:40:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2022-07-12 12:40:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-12 12:40:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-12 12:40:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-12 12:40:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-12 12:40:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-07-12 12:40:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-07-12 12:40:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-12 12:40:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-12 12:40:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-12 12:40:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-12 12:40:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2022-07-12 12:40:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2022-07-12 12:40:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:40:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:40:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 12:40:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 12:40:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-12 12:40:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-12 12:40:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:40:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:40:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-12 12:40:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-12 12:40:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:40:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:40:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2022-07-12 12:40:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2022-07-12 12:40:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 12:40:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 12:40:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-12 12:40:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-12 12:40:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:40:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-12 12:40:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-12 12:40:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:40:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2022-07-12 12:40:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-12 12:40:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2022-07-12 12:40:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 12:40:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2022-07-12 12:40:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-12 12:40:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:40:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-12 12:40:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2022-07-12 12:40:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2022-07-12 12:40:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-12 12:40:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-12 12:40:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-12 12:40:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-12 12:40:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-12 12:40:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-12 12:40:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-12 12:40:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-12 12:40:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2022-07-12 12:40:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2022-07-12 12:40:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-12 12:40:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-12 12:40:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 12:40:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 12:40:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-12 12:40:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-12 12:40:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 12:40:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 12:40:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:40:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:40:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-12 12:40:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-12 12:40:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-12 12:40:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-12 12:40:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2022-07-12 12:40:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2022-07-12 12:40:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-12 12:40:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-12 12:40:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2022-07-12 12:40:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2022-07-12 12:40:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-12 12:40:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-12 12:40:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2022-07-12 12:40:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2022-07-12 12:40:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-12 12:40:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-12 12:40:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-12 12:40:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-12 12:40:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 12:40:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 12:40:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 12:40:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 12:40:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-12 12:40:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-12 12:40:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-12 12:40:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-12 12:40:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-12 12:40:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-12 12:40:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2022-07-12 12:40:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2022-07-12 12:40:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-12 12:40:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-12 12:40:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-12 12:40:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-12 12:40:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-12 12:40:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-12 12:40:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-12 12:40:10,289 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:40:10,292 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:40:12,661 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:40:56,847 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:40:56,869 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:40:56,870 INFO L299 CfgBuilder]: Removed 81 assume(true) statements. [2022-07-12 12:40:56,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:40:56 BoogieIcfgContainer [2022-07-12 12:40:56,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:40:56,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:40:56,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:40:56,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:40:56,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:40:05" (1/3) ... [2022-07-12 12:40:56,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40315e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:40:56, skipping insertion in model container [2022-07-12 12:40:56,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:40:08" (2/3) ... [2022-07-12 12:40:56,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40315e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:40:56, skipping insertion in model container [2022-07-12 12:40:56,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:40:56" (3/3) ... [2022-07-12 12:40:56,884 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-12 12:40:56,894 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:40:56,894 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:40:56,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:40:57,000 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@17a2fdd5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4c6763d1 [2022-07-12 12:40:57,001 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:40:57,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 3635 states, 2087 states have (on average 1.3143267848586488) internal successors, (2743), 2242 states have internal predecessors, (2743), 1503 states have call successors, (1503), 122 states have call predecessors, (1503), 121 states have return successors, (1489), 1454 states have call predecessors, (1489), 1489 states have call successors, (1489) [2022-07-12 12:40:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-12 12:40:57,037 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:57,038 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:57,038 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:57,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:57,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1146511857, now seen corresponding path program 1 times [2022-07-12 12:40:57,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:40:57,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012460202] [2022-07-12 12:40:57,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:57,058 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:40:57,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:40:57,061 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) [2022-07-12 12:40:57,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 12:41:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:06,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 3596 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 12:41:06,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:06,185 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-12 12:41:06,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:06,186 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:06,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012460202] [2022-07-12 12:41:06,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012460202] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:06,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:06,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:41:06,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301527519] [2022-07-12 12:41:06,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:06,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:41:06,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:06,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:41:06,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:41:06,219 INFO L87 Difference]: Start difference. First operand has 3635 states, 2087 states have (on average 1.3143267848586488) internal successors, (2743), 2242 states have internal predecessors, (2743), 1503 states have call successors, (1503), 122 states have call predecessors, (1503), 121 states have return successors, (1489), 1454 states have call predecessors, (1489), 1489 states have call successors, (1489) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 12:41:06,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:06,784 INFO L93 Difference]: Finished difference Result 7034 states and 11155 transitions. [2022-07-12 12:41:06,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 12:41:06,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2022-07-12 12:41:06,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:06,833 INFO L225 Difference]: With dead ends: 7034 [2022-07-12 12:41:06,833 INFO L226 Difference]: Without dead ends: 3380 [2022-07-12 12:41:06,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:41:06,867 INFO L413 NwaCegarLoop]: 5253 mSDtfsCounter, 2 mSDsluCounter, 10500 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15753 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:06,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 15753 Invalid, 19 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 12:41:06,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2022-07-12 12:41:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3380. [2022-07-12 12:41:07,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3380 states, 1847 states have (on average 1.2994044396318354) internal successors, (2400), 1918 states have internal predecessors, (2400), 1411 states have call successors, (1411), 121 states have call predecessors, (1411), 121 states have return successors, (1412), 1375 states have call predecessors, (1412), 1410 states have call successors, (1412) [2022-07-12 12:41:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 5223 transitions. [2022-07-12 12:41:07,205 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 5223 transitions. Word has length 78 [2022-07-12 12:41:07,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:07,206 INFO L495 AbstractCegarLoop]: Abstraction has 3380 states and 5223 transitions. [2022-07-12 12:41:07,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 12:41:07,206 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 5223 transitions. [2022-07-12 12:41:07,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-12 12:41:07,214 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:07,215 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:07,439 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-12 12:41:07,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 12:41:07,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:07,456 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:07,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:07,457 INFO L85 PathProgramCache]: Analyzing trace with hash -485676745, now seen corresponding path program 1 times [2022-07-12 12:41:07,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:07,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752752735] [2022-07-12 12:41:07,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:07,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:07,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:07,476 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) [2022-07-12 12:41:07,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 12:41:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:17,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 3618 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:41:17,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-12 12:41:17,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 12:41:18,112 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-12 12:41:18,112 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:18,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752752735] [2022-07-12 12:41:18,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752752735] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 12:41:18,113 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 12:41:18,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-12 12:41:18,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436946602] [2022-07-12 12:41:18,113 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 12:41:18,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 12:41:18,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:18,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 12:41:18,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:41:18,116 INFO L87 Difference]: Start difference. First operand 3380 states and 5223 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-12 12:41:19,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:19,480 INFO L93 Difference]: Finished difference Result 6752 states and 10455 transitions. [2022-07-12 12:41:19,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 12:41:19,481 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 80 [2022-07-12 12:41:19,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:19,512 INFO L225 Difference]: With dead ends: 6752 [2022-07-12 12:41:19,512 INFO L226 Difference]: Without dead ends: 3391 [2022-07-12 12:41:19,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-12 12:41:19,546 INFO L413 NwaCegarLoop]: 5214 mSDtfsCounter, 14 mSDsluCounter, 15632 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 20846 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:19,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 20846 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 12:41:19,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2022-07-12 12:41:19,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 3389. [2022-07-12 12:41:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3389 states, 1855 states have (on average 1.3013477088948786) internal successors, (2414), 1926 states have internal predecessors, (2414), 1411 states have call successors, (1411), 122 states have call predecessors, (1411), 122 states have return successors, (1412), 1375 states have call predecessors, (1412), 1410 states have call successors, (1412) [2022-07-12 12:41:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 5237 transitions. [2022-07-12 12:41:19,992 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 5237 transitions. Word has length 80 [2022-07-12 12:41:19,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:19,994 INFO L495 AbstractCegarLoop]: Abstraction has 3389 states and 5237 transitions. [2022-07-12 12:41:19,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-12 12:41:19,994 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 5237 transitions. [2022-07-12 12:41:19,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-12 12:41:19,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:19,997 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:20,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 12:41:20,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:20,198 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:20,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:20,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1364713071, now seen corresponding path program 2 times [2022-07-12 12:41:20,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:20,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337626911] [2022-07-12 12:41:20,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 12:41:20,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:20,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:20,209 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) [2022-07-12 12:41:20,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 12:41:29,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 12:41:29,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 12:41:29,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 3462 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:41:29,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-07-12 12:41:30,559 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:30,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:30,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337626911] [2022-07-12 12:41:30,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337626911] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:30,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:30,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 12:41:30,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079368523] [2022-07-12 12:41:30,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:30,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:41:30,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:30,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:41:30,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:41:30,565 INFO L87 Difference]: Start difference. First operand 3389 states and 5237 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 12:41:31,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:31,545 INFO L93 Difference]: Finished difference Result 10104 states and 15692 transitions. [2022-07-12 12:41:31,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:41:31,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2022-07-12 12:41:31,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:31,596 INFO L225 Difference]: With dead ends: 10104 [2022-07-12 12:41:31,596 INFO L226 Difference]: Without dead ends: 6740 [2022-07-12 12:41:31,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:41:31,625 INFO L413 NwaCegarLoop]: 6653 mSDtfsCounter, 5184 mSDsluCounter, 18522 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5184 SdHoareTripleChecker+Valid, 25175 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:31,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5184 Valid, 25175 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 12:41:31,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6740 states. [2022-07-12 12:41:32,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6740 to 6736. [2022-07-12 12:41:32,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6736 states, 3680 states have (on average 1.3013586956521739) internal successors, (4789), 3822 states have internal predecessors, (4789), 2812 states have call successors, (2812), 242 states have call predecessors, (2812), 243 states have return successors, (2855), 2741 states have call predecessors, (2855), 2811 states have call successors, (2855) [2022-07-12 12:41:32,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6736 states to 6736 states and 10456 transitions. [2022-07-12 12:41:32,064 INFO L78 Accepts]: Start accepts. Automaton has 6736 states and 10456 transitions. Word has length 84 [2022-07-12 12:41:32,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:32,066 INFO L495 AbstractCegarLoop]: Abstraction has 6736 states and 10456 transitions. [2022-07-12 12:41:32,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 12:41:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 6736 states and 10456 transitions. [2022-07-12 12:41:32,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-12 12:41:32,082 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:32,082 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:32,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 12:41:32,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:32,283 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:32,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:32,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1194691794, now seen corresponding path program 1 times [2022-07-12 12:41:32,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:32,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238170077] [2022-07-12 12:41:32,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:32,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:32,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:32,290 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) [2022-07-12 12:41:32,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 12:41:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:44,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 3951 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 12:41:44,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-12 12:41:44,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 12:41:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-12 12:41:45,217 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:45,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238170077] [2022-07-12 12:41:45,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1238170077] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 12:41:45,217 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 12:41:45,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-12 12:41:45,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687954086] [2022-07-12 12:41:45,218 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 12:41:45,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 12:41:45,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:45,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 12:41:45,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:41:45,220 INFO L87 Difference]: Start difference. First operand 6736 states and 10456 transitions. Second operand has 10 states, 10 states have (on average 13.3) internal successors, (133), 10 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-12 12:41:47,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:47,146 INFO L93 Difference]: Finished difference Result 13463 states and 20951 transitions. [2022-07-12 12:41:47,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 12:41:47,147 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 10 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2022-07-12 12:41:47,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:47,208 INFO L225 Difference]: With dead ends: 13463 [2022-07-12 12:41:47,208 INFO L226 Difference]: Without dead ends: 6756 [2022-07-12 12:41:47,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2022-07-12 12:41:47,257 INFO L413 NwaCegarLoop]: 5214 mSDtfsCounter, 43 mSDsluCounter, 15639 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 20853 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:47,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 20853 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 12:41:47,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2022-07-12 12:41:47,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6748. [2022-07-12 12:41:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6748 states, 3691 states have (on average 1.302898943375779) internal successors, (4809), 3833 states have internal predecessors, (4809), 2812 states have call successors, (2812), 243 states have call predecessors, (2812), 244 states have return successors, (2855), 2741 states have call predecessors, (2855), 2811 states have call successors, (2855) [2022-07-12 12:41:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6748 states to 6748 states and 10476 transitions. [2022-07-12 12:41:47,656 INFO L78 Accepts]: Start accepts. Automaton has 6748 states and 10476 transitions. Word has length 161 [2022-07-12 12:41:47,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:47,657 INFO L495 AbstractCegarLoop]: Abstraction has 6748 states and 10476 transitions. [2022-07-12 12:41:47,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 10 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-12 12:41:47,657 INFO L276 IsEmpty]: Start isEmpty. Operand 6748 states and 10476 transitions. [2022-07-12 12:41:47,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-12 12:41:47,668 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:47,668 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:47,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 12:41:47,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:41:47,895 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:47,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:47,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1888228334, now seen corresponding path program 2 times [2022-07-12 12:41:47,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:41:47,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765201457] [2022-07-12 12:41:47,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 12:41:47,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:41:47,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:41:47,901 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) [2022-07-12 12:41:47,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 12:41:56,595 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 12:41:56,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 12:41:56,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 3475 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 12:41:56,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:41:57,198 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-07-12 12:41:57,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:41:57,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:41:57,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1765201457] [2022-07-12 12:41:57,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1765201457] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:57,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:57,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:41:57,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78882366] [2022-07-12 12:41:57,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:57,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:41:57,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:41:57,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:41:57,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:41:57,201 INFO L87 Difference]: Start difference. First operand 6748 states and 10476 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-12 12:42:00,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:42:00,233 INFO L93 Difference]: Finished difference Result 20176 states and 31326 transitions. [2022-07-12 12:42:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 12:42:00,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 165 [2022-07-12 12:42:00,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:42:00,312 INFO L225 Difference]: With dead ends: 20176 [2022-07-12 12:42:00,312 INFO L226 Difference]: Without dead ends: 13468 [2022-07-12 12:42:00,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-12 12:42:00,345 INFO L413 NwaCegarLoop]: 9047 mSDtfsCounter, 7302 mSDsluCounter, 30313 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7302 SdHoareTripleChecker+Valid, 39360 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 636 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-12 12:42:00,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7302 Valid, 39360 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [636 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-12 12:42:00,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13468 states. [2022-07-12 12:42:01,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13468 to 13448. [2022-07-12 12:42:01,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13448 states, 7347 states have (on average 1.3024363685858174) internal successors, (9569), 7635 states have internal predecessors, (9569), 5614 states have call successors, (5614), 483 states have call predecessors, (5614), 486 states have return successors, (5701), 5469 states have call predecessors, (5701), 5613 states have call successors, (5701) [2022-07-12 12:42:01,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13448 states to 13448 states and 20884 transitions. [2022-07-12 12:42:01,137 INFO L78 Accepts]: Start accepts. Automaton has 13448 states and 20884 transitions. Word has length 165 [2022-07-12 12:42:01,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:42:01,139 INFO L495 AbstractCegarLoop]: Abstraction has 13448 states and 20884 transitions. [2022-07-12 12:42:01,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-12 12:42:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 13448 states and 20884 transitions. [2022-07-12 12:42:01,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-12 12:42:01,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:42:01,154 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:42:01,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 12:42:01,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:42:01,367 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:42:01,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:42:01,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1465526508, now seen corresponding path program 1 times [2022-07-12 12:42:01,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:42:01,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759456744] [2022-07-12 12:42:01,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:42:01,373 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:42:01,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:42:01,375 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) [2022-07-12 12:42:01,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 12:42:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:13,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 3993 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 12:42:13,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:42:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 83 proven. 21 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-12 12:42:14,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 12:42:16,162 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 37 proven. 30 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-12 12:42:16,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:42:16,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [759456744] [2022-07-12 12:42:16,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [759456744] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 12:42:16,163 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 12:42:16,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2022-07-12 12:42:16,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907618267] [2022-07-12 12:42:16,163 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 12:42:16,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-12 12:42:16,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:42:16,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-12 12:42:16,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-07-12 12:42:16,165 INFO L87 Difference]: Start difference. First operand 13448 states and 20884 transitions. Second operand has 18 states, 18 states have (on average 7.833333333333333) internal successors, (141), 18 states have internal predecessors, (141), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-12 12:42:20,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:42:20,718 INFO L93 Difference]: Finished difference Result 26948 states and 41959 transitions. [2022-07-12 12:42:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-07-12 12:42:20,719 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.833333333333333) internal successors, (141), 18 states have internal predecessors, (141), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 165 [2022-07-12 12:42:20,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:42:20,794 INFO L225 Difference]: With dead ends: 26948 [2022-07-12 12:42:20,795 INFO L226 Difference]: Without dead ends: 13520 [2022-07-12 12:42:20,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=250, Invalid=742, Unknown=0, NotChecked=0, Total=992 [2022-07-12 12:42:20,862 INFO L413 NwaCegarLoop]: 5218 mSDtfsCounter, 96 mSDsluCounter, 52133 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 57351 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-12 12:42:20,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 57351 Invalid, 443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [87 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-12 12:42:20,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13520 states. [2022-07-12 12:42:21,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13520 to 13468. [2022-07-12 12:42:21,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13468 states, 7367 states have (on average 1.303922899416316) internal successors, (9606), 7655 states have internal predecessors, (9606), 5614 states have call successors, (5614), 483 states have call predecessors, (5614), 486 states have return successors, (5701), 5469 states have call predecessors, (5701), 5613 states have call successors, (5701) [2022-07-12 12:42:21,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13468 states to 13468 states and 20921 transitions. [2022-07-12 12:42:21,767 INFO L78 Accepts]: Start accepts. Automaton has 13468 states and 20921 transitions. Word has length 165 [2022-07-12 12:42:21,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:42:21,767 INFO L495 AbstractCegarLoop]: Abstraction has 13468 states and 20921 transitions. [2022-07-12 12:42:21,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.833333333333333) internal successors, (141), 18 states have internal predecessors, (141), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-12 12:42:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 13468 states and 20921 transitions. [2022-07-12 12:42:21,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-12 12:42:21,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:42:21,782 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:42:21,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 12:42:21,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:42:21,983 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:42:21,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:42:21,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1785686708, now seen corresponding path program 2 times [2022-07-12 12:42:21,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:42:21,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165415197] [2022-07-12 12:42:21,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 12:42:21,987 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:42:21,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:42:21,989 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) [2022-07-12 12:42:21,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 12:42:31,376 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 12:42:31,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 12:42:31,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 3473 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-12 12:42:31,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:42:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-07-12 12:42:33,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:42:33,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:42:33,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165415197] [2022-07-12 12:42:33,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1165415197] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:42:33,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:42:33,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 12:42:33,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051617610] [2022-07-12 12:42:33,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:42:33,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 12:42:33,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:42:33,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 12:42:33,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-12 12:42:33,018 INFO L87 Difference]: Start difference. First operand 13468 states and 20921 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 4 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-12 12:42:35,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:42:35,197 INFO L93 Difference]: Finished difference Result 31038 states and 48501 transitions. [2022-07-12 12:42:35,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 12:42:35,198 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 4 states have call predecessors, (16), 1 states have call successors, (16) Word has length 167 [2022-07-12 12:42:35,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:42:35,281 INFO L225 Difference]: With dead ends: 31038 [2022-07-12 12:42:35,281 INFO L226 Difference]: Without dead ends: 17614 [2022-07-12 12:42:35,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-12 12:42:35,340 INFO L413 NwaCegarLoop]: 6826 mSDtfsCounter, 1010 mSDsluCounter, 60062 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 66888 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 12:42:35,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 66888 Invalid, 154 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 12:42:35,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17614 states. [2022-07-12 12:42:36,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17614 to 13540. [2022-07-12 12:42:36,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13540 states, 7425 states have (on average 1.3034343434343434) internal successors, (9678), 7715 states have internal predecessors, (9678), 5614 states have call successors, (5614), 483 states have call predecessors, (5614), 500 states have return successors, (5800), 5481 states have call predecessors, (5800), 5613 states have call successors, (5800) [2022-07-12 12:42:36,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13540 states to 13540 states and 21092 transitions. [2022-07-12 12:42:36,241 INFO L78 Accepts]: Start accepts. Automaton has 13540 states and 21092 transitions. Word has length 167 [2022-07-12 12:42:36,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:42:36,242 INFO L495 AbstractCegarLoop]: Abstraction has 13540 states and 21092 transitions. [2022-07-12 12:42:36,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 4 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-12 12:42:36,242 INFO L276 IsEmpty]: Start isEmpty. Operand 13540 states and 21092 transitions. [2022-07-12 12:42:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-12 12:42:36,259 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:42:36,259 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:42:36,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 12:42:36,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:42:36,479 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:42:36,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:42:36,480 INFO L85 PathProgramCache]: Analyzing trace with hash -86965722, now seen corresponding path program 1 times [2022-07-12 12:42:36,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:42:36,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104169743] [2022-07-12 12:42:36,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:42:36,484 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:42:36,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:42:36,486 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) [2022-07-12 12:42:36,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 12:42:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:48,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 4041 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:42:48,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:42:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-07-12 12:42:48,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:42:48,596 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:42:48,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104169743] [2022-07-12 12:42:48,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2104169743] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:42:48,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:42:48,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:42:48,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238208377] [2022-07-12 12:42:48,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:42:48,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:42:48,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:42:48,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:42:48,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:42:48,597 INFO L87 Difference]: Start difference. First operand 13540 states and 21092 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 12:42:49,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:42:49,825 INFO L93 Difference]: Finished difference Result 36828 states and 57568 transitions. [2022-07-12 12:42:49,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:42:49,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 174 [2022-07-12 12:42:49,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:42:49,936 INFO L225 Difference]: With dead ends: 36828 [2022-07-12 12:42:49,937 INFO L226 Difference]: Without dead ends: 23324 [2022-07-12 12:42:50,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:42:50,001 INFO L413 NwaCegarLoop]: 6341 mSDtfsCounter, 3833 mSDsluCounter, 5124 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3833 SdHoareTripleChecker+Valid, 11465 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 12:42:50,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3833 Valid, 11465 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 12:42:50,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23324 states. [2022-07-12 12:42:51,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23324 to 23248. [2022-07-12 12:42:51,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23248 states, 12311 states have (on average 1.3014377386077491) internal successors, (16022), 12771 states have internal predecessors, (16022), 10058 states have call successors, (10058), 859 states have call predecessors, (10058), 878 states have return successors, (10287), 9865 states have call predecessors, (10287), 10057 states have call successors, (10287) [2022-07-12 12:42:51,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23248 states to 23248 states and 36367 transitions. [2022-07-12 12:42:51,485 INFO L78 Accepts]: Start accepts. Automaton has 23248 states and 36367 transitions. Word has length 174 [2022-07-12 12:42:51,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:42:51,486 INFO L495 AbstractCegarLoop]: Abstraction has 23248 states and 36367 transitions. [2022-07-12 12:42:51,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 12:42:51,486 INFO L276 IsEmpty]: Start isEmpty. Operand 23248 states and 36367 transitions. [2022-07-12 12:42:51,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-12 12:42:51,500 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:42:51,501 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:42:51,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 12:42:51,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:42:51,727 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:42:51,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:42:51,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1317364566, now seen corresponding path program 1 times [2022-07-12 12:42:51,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:42:51,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [722125058] [2022-07-12 12:42:51,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:42:51,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:42:51,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:42:51,735 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) [2022-07-12 12:42:51,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 12:43:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:43:03,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 4283 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:43:03,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:43:05,625 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-07-12 12:43:05,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:43:05,625 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:43:05,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [722125058] [2022-07-12 12:43:05,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [722125058] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:43:05,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:43:05,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:43:05,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084735265] [2022-07-12 12:43:05,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:43:05,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:43:05,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:43:05,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:43:05,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:43:05,627 INFO L87 Difference]: Start difference. First operand 23248 states and 36367 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 12:43:50,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:43:50,234 INFO L93 Difference]: Finished difference Result 69676 states and 109121 transitions. [2022-07-12 12:43:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:43:50,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 186 [2022-07-12 12:43:50,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:43:50,601 INFO L225 Difference]: With dead ends: 69676 [2022-07-12 12:43:50,601 INFO L226 Difference]: Without dead ends: 46472 [2022-07-12 12:43:50,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:43:50,701 INFO L413 NwaCegarLoop]: 6654 mSDtfsCounter, 5144 mSDsluCounter, 9912 mSDsCounter, 0 mSdLazyCounter, 5676 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5148 SdHoareTripleChecker+Valid, 16566 SdHoareTripleChecker+Invalid, 5693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 5676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:43:50,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5148 Valid, 16566 Invalid, 5693 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 5676 Invalid, 0 Unknown, 0 Unchecked, 42.5s Time] [2022-07-12 12:43:50,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46472 states. [2022-07-12 12:43:52,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46472 to 46464. [2022-07-12 12:43:52,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46464 states, 24595 states have (on average 1.3011587721081521) internal successors, (32002), 25523 states have internal predecessors, (32002), 20106 states have call successors, (20106), 1715 states have call predecessors, (20106), 1762 states have return successors, (20617), 19721 states have call predecessors, (20617), 20105 states have call successors, (20617) [2022-07-12 12:43:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46464 states to 46464 states and 72725 transitions. [2022-07-12 12:43:53,470 INFO L78 Accepts]: Start accepts. Automaton has 46464 states and 72725 transitions. Word has length 186 [2022-07-12 12:43:53,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:43:53,471 INFO L495 AbstractCegarLoop]: Abstraction has 46464 states and 72725 transitions. [2022-07-12 12:43:53,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 12:43:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 46464 states and 72725 transitions. [2022-07-12 12:43:53,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-12 12:43:53,481 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:43:53,481 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:43:53,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 12:43:53,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:43:53,707 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:43:53,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:43:53,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1728809943, now seen corresponding path program 1 times [2022-07-12 12:43:53,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:43:53,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262978576] [2022-07-12 12:43:53,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:43:53,712 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:43:53,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:43:53,717 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) [2022-07-12 12:43:53,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 12:44:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:44:05,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 4281 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 12:44:05,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:44:07,650 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-07-12 12:44:07,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:44:07,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:44:07,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262978576] [2022-07-12 12:44:07,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [262978576] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:44:07,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:44:07,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:44:07,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550027038] [2022-07-12 12:44:07,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:44:07,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:44:07,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:44:07,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:44:07,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:44:07,652 INFO L87 Difference]: Start difference. First operand 46464 states and 72725 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20)