./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.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 aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:21:09,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:21:09,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:21:09,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:21:09,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:21:09,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:21:09,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:21:09,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:21:09,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:21:09,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:21:09,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:21:09,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:21:09,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:21:09,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:21:09,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:21:09,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:21:09,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:21:09,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:21:09,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:21:09,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:21:09,151 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:21:09,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:21:09,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:21:09,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:21:09,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:21:09,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:21:09,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:21:09,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:21:09,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:21:09,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:21:09,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:21:09,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:21:09,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:21:09,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:21:09,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:21:09,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:21:09,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:21:09,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:21:09,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:21:09,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:21:09,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:21:09,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:21:09,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:21:09,187 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:21:09,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:21:09,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:21:09,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:21:09,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:21:09,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:21:09,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:21:09,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:21:09,193 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:21:09,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:21:09,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:21:09,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:21:09,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:21:09,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:21:09,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:21:09,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:21:09,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:21:09,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:21:09,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:21:09,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:21:09,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:21:09,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:21:09,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:21:09,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:21:09,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:21:09,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:21:09,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:21:09,196 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:21:09,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:21:09,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:21:09,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f [2022-07-20 01:21:09,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:21:09,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:21:09,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:21:09,405 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:21:09,405 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:21:09,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-07-20 01:21:09,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30c19eb4e/58ba9a32f21c4fb09953b84cc899fef0/FLAGe28caa3ce [2022-07-20 01:21:10,121 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:21:10,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-07-20 01:21:10,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30c19eb4e/58ba9a32f21c4fb09953b84cc899fef0/FLAGe28caa3ce [2022-07-20 01:21:10,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30c19eb4e/58ba9a32f21c4fb09953b84cc899fef0 [2022-07-20 01:21:10,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:21:10,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:21:10,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:21:10,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:21:10,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:21:10,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:21:10" (1/1) ... [2022-07-20 01:21:10,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159d8f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:10, skipping insertion in model container [2022-07-20 01:21:10,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:21:10" (1/1) ... [2022-07-20 01:21:10,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:21:10,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:21:11,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-07-20 01:21:11,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:21:11,921 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:21:12,127 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: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7863] 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-20 01:21:12,133 INFO L158 Benchmark]: Toolchain (without parser) took 1651.22ms. Allocated memory was 90.2MB in the beginning and 167.8MB in the end (delta: 77.6MB). Free memory was 61.2MB in the beginning and 78.5MB in the end (delta: -17.3MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2022-07-20 01:21:12,134 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 01:21:12,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1648.96ms. Allocated memory was 90.2MB in the beginning and 167.8MB in the end (delta: 77.6MB). Free memory was 61.2MB in the beginning and 78.5MB in the end (delta: -17.3MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2022-07-20 01:21:12,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1648.96ms. Allocated memory was 90.2MB in the beginning and 167.8MB in the end (delta: 77.6MB). Free memory was 61.2MB in the beginning and 78.5MB in the end (delta: -17.3MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7863] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: tlphy_ctl = (unsigned int )tlphy_ctl & 49151U [7863]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.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 aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:21:13,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:21:13,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:21:13,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:21:13,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:21:13,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:21:13,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:21:13,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:21:13,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:21:13,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:21:13,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:21:13,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:21:13,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:21:13,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:21:13,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:21:13,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:21:13,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:21:13,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:21:13,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:21:13,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:21:13,712 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:21:13,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:21:13,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:21:13,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:21:13,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:21:13,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:21:13,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:21:13,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:21:13,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:21:13,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:21:13,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:21:13,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:21:13,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:21:13,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:21:13,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:21:13,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:21:13,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:21:13,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:21:13,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:21:13,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:21:13,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:21:13,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:21:13,727 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 01:21:13,763 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:21:13,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:21:13,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:21:13,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:21:13,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:21:13,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:21:13,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:21:13,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:21:13,766 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:21:13,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:21:13,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:21:13,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:21:13,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:21:13,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:21:13,768 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 01:21:13,768 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 01:21:13,768 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 01:21:13,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:21:13,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:21:13,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:21:13,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:21:13,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:21:13,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:21:13,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:21:13,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:21:13,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:21:13,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:21:13,770 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 01:21:13,770 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 01:21:13,770 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:21:13,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:21:13,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:21:13,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 01:21:13,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f [2022-07-20 01:21:14,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:21:14,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:21:14,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:21:14,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:21:14,028 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:21:14,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-07-20 01:21:14,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c045a4a1f/9e43efe6d2d14d7e9c6d5d140bb20455/FLAG976c4c0d5 [2022-07-20 01:21:14,730 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:21:14,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-07-20 01:21:14,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c045a4a1f/9e43efe6d2d14d7e9c6d5d140bb20455/FLAG976c4c0d5 [2022-07-20 01:21:15,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c045a4a1f/9e43efe6d2d14d7e9c6d5d140bb20455 [2022-07-20 01:21:15,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:21:15,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:21:15,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:21:15,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:21:15,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:21:15,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:21:15" (1/1) ... [2022-07-20 01:21:15,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c535b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:15, skipping insertion in model container [2022-07-20 01:21:15,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:21:15" (1/1) ... [2022-07-20 01:21:15,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:21:15,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:21:16,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-07-20 01:21:16,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:21:16,766 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 01:21:16,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:21:17,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-07-20 01:21:17,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:21:17,151 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:21:17,372 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-07-20 01:21:17,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:21:17,500 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:21:17,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:17 WrapperNode [2022-07-20 01:21:17,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:21:17,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:21:17,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:21:17,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:21:17,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:17" (1/1) ... [2022-07-20 01:21:17,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:17" (1/1) ... [2022-07-20 01:21:17,733 INFO L137 Inliner]: procedures = 308, calls = 2066, calls flagged for inlining = 144, calls inlined = 138, statements flattened = 4624 [2022-07-20 01:21:17,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:21:17,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:21:17,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:21:17,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:21:17,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:17" (1/1) ... [2022-07-20 01:21:17,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:17" (1/1) ... [2022-07-20 01:21:17,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:17" (1/1) ... [2022-07-20 01:21:17,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:17" (1/1) ... [2022-07-20 01:21:17,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:17" (1/1) ... [2022-07-20 01:21:17,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:17" (1/1) ... [2022-07-20 01:21:17,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:17" (1/1) ... [2022-07-20 01:21:17,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:21:17,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:21:17,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:21:17,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:21:17,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:17" (1/1) ... [2022-07-20 01:21:17,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:21:17,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:21:18,013 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) [2022-07-20 01:21:18,043 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 [2022-07-20 01:21:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 01:21:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2022-07-20 01:21:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2022-07-20 01:21:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_7 [2022-07-20 01:21:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_7 [2022-07-20 01:21:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 01:21:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-07-20 01:21:18,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-07-20 01:21:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 01:21:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 01:21:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 01:21:18,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 01:21:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:21:18,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:21:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:21:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:21:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 01:21:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 01:21:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2022-07-20 01:21:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2022-07-20 01:21:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 01:21:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 01:21:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-20 01:21:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-20 01:21:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_read_byte [2022-07-20 01:21:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_read_byte [2022-07-20 01:21:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:21:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:21:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-20 01:21:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-20 01:21:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2022-07-20 01:21:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2022-07-20 01:21:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2022-07-20 01:21:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2022-07-20 01:21:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2022-07-20 01:21:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2022-07-20 01:21:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:21:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:21:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 01:21:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 01:21:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 01:21:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 01:21:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-07-20 01:21:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-07-20 01:21:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 01:21:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 01:21:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-20 01:21:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-20 01:21:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:21:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:21:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2022-07-20 01:21:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2022-07-20 01:21:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ioctl [2022-07-20 01:21:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ioctl [2022-07-20 01:21:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:21:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:21:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 01:21:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 01:21:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-20 01:21:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-20 01:21:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2022-07-20 01:21:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2022-07-20 01:21:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:21:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2022-07-20 01:21:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2022-07-20 01:21:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 01:21:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 01:21:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-20 01:21:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-20 01:21:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:21:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 01:21:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 01:21:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-20 01:21:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-20 01:21:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 01:21:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 01:21:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_stats [2022-07-20 01:21:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_stats [2022-07-20 01:21:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 01:21:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 01:21:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-20 01:21:18,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-20 01:21:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:21:18,056 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:21:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 01:21:18,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 01:21:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 01:21:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 01:21:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 01:21:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:21:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 01:21:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:21:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 01:21:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 01:21:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 01:21:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 01:21:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2022-07-20 01:21:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2022-07-20 01:21:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 01:21:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 01:21:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2022-07-20 01:21:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2022-07-20 01:21:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-20 01:21:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-20 01:21:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-20 01:21:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-20 01:21:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 01:21:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 01:21:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-20 01:21:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-20 01:21:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 01:21:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 01:21:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-20 01:21:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-20 01:21:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2022-07-20 01:21:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2022-07-20 01:21:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2022-07-20 01:21:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2022-07-20 01:21:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 01:21:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 01:21:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2022-07-20 01:21:18,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2022-07-20 01:21:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2022-07-20 01:21:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2022-07-20 01:21:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2022-07-20 01:21:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2022-07-20 01:21:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 01:21:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 01:21:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout_work [2022-07-20 01:21:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout_work [2022-07-20 01:21:18,070 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 01:21:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 01:21:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 01:21:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 01:21:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 01:21:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 01:21:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:21:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:21:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2022-07-20 01:21:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2022-07-20 01:21:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2022-07-20 01:21:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2022-07-20 01:21:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2022-07-20 01:21:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2022-07-20 01:21:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-20 01:21:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-20 01:21:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2022-07-20 01:21:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2022-07-20 01:21:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2022-07-20 01:21:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2022-07-20 01:21:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 01:21:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 01:21:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 01:21:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 01:21:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2022-07-20 01:21:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2022-07-20 01:21:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2022-07-20 01:21:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2022-07-20 01:21:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2022-07-20 01:21:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2022-07-20 01:21:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:21:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:21:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2022-07-20 01:21:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2022-07-20 01:21:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2022-07-20 01:21:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2022-07-20 01:21:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:21:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:21:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:21:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-07-20 01:21:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-07-20 01:21:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:21:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:21:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-20 01:21:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-20 01:21:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2022-07-20 01:21:18,076 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2022-07-20 01:21:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 01:21:18,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 01:21:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:21:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2022-07-20 01:21:18,076 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2022-07-20 01:21:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 01:21:18,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 01:21:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 01:21:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 01:21:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:21:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 01:21:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-20 01:21:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-20 01:21:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2022-07-20 01:21:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2022-07-20 01:21:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-20 01:21:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-20 01:21:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2022-07-20 01:21:18,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2022-07-20 01:21:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2022-07-20 01:21:18,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2022-07-20 01:21:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_7 [2022-07-20 01:21:18,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_7 [2022-07-20 01:21:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-20 01:21:18,078 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-20 01:21:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-20 01:21:18,078 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-20 01:21:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-20 01:21:18,079 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-20 01:21:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-07-20 01:21:18,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-07-20 01:21:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-20 01:21:18,079 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-20 01:21:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2022-07-20 01:21:18,079 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2022-07-20 01:21:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-20 01:21:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2022-07-20 01:21:18,079 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2022-07-20 01:21:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-20 01:21:18,080 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-20 01:21:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-20 01:21:18,080 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-20 01:21:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:21:18,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:21:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-07-20 01:21:18,080 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-07-20 01:21:18,743 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:21:18,745 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:21:26,242 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:21:53,142 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret320#1;havoc tlan_eisa_probe_#t~ret320#1; [2022-07-20 01:21:53,142 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041: SUMMARY for call tlan_eisa_probe_#t~ret320#1 := inw(~bvadd32(3200bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-20 01:21:53,143 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume 4366bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~tmp___2~2#1); [2022-07-20 01:21:53,143 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume !(4366bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~tmp___2~2#1)); [2022-07-20 01:21:53,143 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7043: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-20 01:21:53,143 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret321#1;havoc tlan_eisa_probe_#t~ret321#1; [2022-07-20 01:21:53,143 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: SUMMARY for call tlan_eisa_probe_#t~ret321#1 := inw(~bvadd32(3202bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-20 01:21:53,143 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume 8433bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1) && 16625bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1); [2022-07-20 01:21:53,143 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume !(8433bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1) && 16625bv32 != ~zero_extendFrom16To32(tlan_eisa_probe_~device_id~1#1)); [2022-07-20 01:21:53,143 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7049: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-20 01:21:53,143 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret322#1;havoc tlan_eisa_probe_#t~ret322#1; [2022-07-20 01:21:53,143 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053: SUMMARY for call tlan_eisa_probe_#t~ret322#1 := inb(~bvadd32(3204bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-20 01:21:53,143 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume 1bv32 != ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___3~1#1); [2022-07-20 01:21:53,143 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume !(1bv32 != ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___3~1#1)); [2022-07-20 01:21:53,143 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet328#1; [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume !(16bv32 == ~debug~0); [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64); srcloc: null [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet323#1; [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume !(16bv32 == ~debug~0); [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059-2: SUMMARY for call tlan_eisa_probe_#t~ret324#1 := inb(~bvadd32(3264bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7063: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret324#1;havoc tlan_eisa_probe_#t~ret324#1;tlan_eisa_probe_#t~switch325#1 := 16bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7064: havoc tlan_eisa_probe_#t~switch325#1; [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 5bv32; [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := tlan_eisa_probe_#t~switch325#1 || 32bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 9bv32; [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := tlan_eisa_probe_#t~switch325#1 || 64bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 10bv32; [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := tlan_eisa_probe_#t~switch325#1 || 128bv32 == ~zero_extendFrom8To32(tlan_eisa_probe_~tmp___4~0#1); [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_~irq~0#1 := 11bv32; [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume !tlan_eisa_probe_#t~switch325#1;tlan_eisa_probe_#t~switch325#1 := true; [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume tlan_eisa_probe_#t~switch325#1; [2022-07-20 01:21:53,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume !tlan_eisa_probe_#t~switch325#1; [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume 16bv32 == ~debug~0;havoc tlan_eisa_probe_#t~nondet327#1; [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume !(16bv32 == ~debug~0); [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7080: SUMMARY for call tlan_eisa_probe_#t~ret326#1 := tlan_probe1(0bv64, 0bv64, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12bv32, 0bv64, 0bv64); srcloc: null [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7081: tlan_eisa_probe_~rc~3#1 := tlan_eisa_probe_#t~ret326#1;havoc tlan_eisa_probe_#t~ret326#1; [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume 0bv32 != ~bvand32(16bv32, ~debug~0); [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: SUMMARY for call tlan_eisa_probe_#t~ret314#1 := inw(~bvadd32(3200bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022-1: tlan_eisa_probe_~tmp~38#1 := tlan_eisa_probe_#t~ret314#1;havoc tlan_eisa_probe_#t~ret314#1;havoc tlan_eisa_probe_#t~nondet315#1; [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7090-1: tlan_eisa_probe_~ioaddr~0#1 := ~bvadd64(4096bv64, tlan_eisa_probe_~ioaddr~0#1); [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume 0bv32 != ~bvand32(16bv32, ~debug~0);havoc tlan_eisa_probe_#t~nondet318#1; [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027-1: tlan_eisa_probe_~tmp___0~11#1 := tlan_eisa_probe_#t~ret316#1;havoc tlan_eisa_probe_#t~ret316#1;havoc tlan_eisa_probe_#t~nondet317#1; [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027: SUMMARY for call tlan_eisa_probe_#t~ret316#1 := inw(~bvadd32(3202bv32, tlan_eisa_probe_~ioaddr~0#1[32:0])); srcloc: null [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-1: call tlan_eisa_probe_#t~ret319#1.base, tlan_eisa_probe_#t~ret319#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16bv64, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0bv32);tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset := tlan_eisa_probe_#t~ret319#1.base, tlan_eisa_probe_#t~ret319#1.offset;havoc tlan_eisa_probe_#t~ret319#1.base, tlan_eisa_probe_#t~ret319#1.offset; [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume ~bvsle64(tlan_eisa_probe_~ioaddr~0#1, 36863bv64); [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume !~bvsle64(tlan_eisa_probe_~ioaddr~0#1, 36863bv64); [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume 0bv32 != ~bvand32(16bv32, ~debug~0); [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume !(0bv32 != ~bvand32(16bv32, ~debug~0)); [2022-07-20 01:21:53,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume 0bv64 == ~bvadd64(tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset); [2022-07-20 01:21:53,146 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume !(0bv64 == ~bvadd64(tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset)); [2022-07-20 01:21:53,235 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:21:53,251 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:21:53,252 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 01:21:53,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:21:53 BoogieIcfgContainer [2022-07-20 01:21:53,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:21:53,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:21:53,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:21:53,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:21:53,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:21:15" (1/3) ... [2022-07-20 01:21:53,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f69ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:21:53, skipping insertion in model container [2022-07-20 01:21:53,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:21:17" (2/3) ... [2022-07-20 01:21:53,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f69ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:21:53, skipping insertion in model container [2022-07-20 01:21:53,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:21:53" (3/3) ... [2022-07-20 01:21:53,263 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-07-20 01:21:53,273 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:21:53,274 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:21:53,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:21:53,366 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@2e524186, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@59e7e3b9 [2022-07-20 01:21:53,367 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:21:53,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 2023 states, 1352 states have (on average 1.3150887573964498) internal successors, (1778), 1400 states have internal predecessors, (1778), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-20 01:21:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-20 01:21:53,398 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:21:53,399 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:21:53,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:21:53,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:21:53,404 INFO L85 PathProgramCache]: Analyzing trace with hash 112556324, now seen corresponding path program 1 times [2022-07-20 01:21:53,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:21:53,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219976093] [2022-07-20 01:21:53,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:21:53,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:21:53,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:21:53,441 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) [2022-07-20 01:21:53,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 01:21:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:21:55,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 2304 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 01:21:55,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:21:56,218 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-07-20 01:21:56,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:21:56,218 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:21:56,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219976093] [2022-07-20 01:21:56,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1219976093] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:21:56,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:21:56,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:21:56,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736645436] [2022-07-20 01:21:56,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:21:56,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:21:56,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:21:56,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:21:56,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:21:56,245 INFO L87 Difference]: Start difference. First operand has 2023 states, 1352 states have (on average 1.3150887573964498) internal successors, (1778), 1400 states have internal predecessors, (1778), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-20 01:21:56,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:21:56,708 INFO L93 Difference]: Finished difference Result 4047 states and 5868 transitions. [2022-07-20 01:21:56,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:21:56,711 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 190 [2022-07-20 01:21:56,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:21:56,731 INFO L225 Difference]: With dead ends: 4047 [2022-07-20 01:21:56,731 INFO L226 Difference]: Without dead ends: 1983 [2022-07-20 01:21:56,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:21:56,747 INFO L413 NwaCegarLoop]: 2899 mSDtfsCounter, 6 mSDsluCounter, 11580 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14479 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:21:56,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14479 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 01:21:56,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2022-07-20 01:21:56,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1983. [2022-07-20 01:21:56,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1983 states, 1328 states have (on average 1.3087349397590362) internal successors, (1738), 1367 states have internal predecessors, (1738), 556 states have call successors, (556), 98 states have call predecessors, (556), 98 states have return successors, (556), 544 states have call predecessors, (556), 555 states have call successors, (556) [2022-07-20 01:21:56,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1983 states and 2850 transitions. [2022-07-20 01:21:56,875 INFO L78 Accepts]: Start accepts. Automaton has 1983 states and 2850 transitions. Word has length 190 [2022-07-20 01:21:56,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:21:56,877 INFO L495 AbstractCegarLoop]: Abstraction has 1983 states and 2850 transitions. [2022-07-20 01:21:56,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-20 01:21:56,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2850 transitions. [2022-07-20 01:21:56,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-20 01:21:56,885 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:21:56,885 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:21:56,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 01:21:57,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:21:57,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:21:57,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:21:57,100 INFO L85 PathProgramCache]: Analyzing trace with hash 398062803, now seen corresponding path program 1 times [2022-07-20 01:21:57,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:21:57,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199174335] [2022-07-20 01:21:57,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:21:57,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:21:57,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:21:57,105 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) [2022-07-20 01:21:57,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 01:21:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:21:59,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 01:21:59,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:21:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-07-20 01:21:59,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:22:00,670 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-20 01:22:00,670 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:22:00,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199174335] [2022-07-20 01:22:00,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199174335] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:22:00,670 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:22:00,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-20 01:22:00,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723804668] [2022-07-20 01:22:00,671 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:22:00,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 01:22:00,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:22:00,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 01:22:00,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-20 01:22:00,673 INFO L87 Difference]: Start difference. First operand 1983 states and 2850 transitions. Second operand has 11 states, 9 states have (on average 9.333333333333334) internal successors, (84), 11 states have internal predecessors, (84), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-20 01:22:01,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:22:01,330 INFO L93 Difference]: Finished difference Result 3954 states and 5684 transitions. [2022-07-20 01:22:01,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 01:22:01,331 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 9.333333333333334) internal successors, (84), 11 states have internal predecessors, (84), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 193 [2022-07-20 01:22:01,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:22:01,342 INFO L225 Difference]: With dead ends: 3954 [2022-07-20 01:22:01,342 INFO L226 Difference]: Without dead ends: 1986 [2022-07-20 01:22:01,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-20 01:22:01,353 INFO L413 NwaCegarLoop]: 2840 mSDtfsCounter, 13 mSDsluCounter, 17012 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 19852 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:22:01,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 19852 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 01:22:01,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2022-07-20 01:22:01,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1984. [2022-07-20 01:22:01,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1984 states, 1329 states have (on average 1.309255079006772) internal successors, (1740), 1368 states have internal predecessors, (1740), 556 states have call successors, (556), 98 states have call predecessors, (556), 98 states have return successors, (556), 544 states have call predecessors, (556), 555 states have call successors, (556) [2022-07-20 01:22:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1984 states and 2852 transitions. [2022-07-20 01:22:01,412 INFO L78 Accepts]: Start accepts. Automaton has 1984 states and 2852 transitions. Word has length 193 [2022-07-20 01:22:01,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:22:01,412 INFO L495 AbstractCegarLoop]: Abstraction has 1984 states and 2852 transitions. [2022-07-20 01:22:01,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 9.333333333333334) internal successors, (84), 11 states have internal predecessors, (84), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-20 01:22:01,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2852 transitions. [2022-07-20 01:22:01,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-20 01:22:01,416 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:22:01,416 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:22:01,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 01:22:01,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:22:01,627 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:22:01,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:22:01,628 INFO L85 PathProgramCache]: Analyzing trace with hash 687295633, now seen corresponding path program 1 times [2022-07-20 01:22:01,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:22:01,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720595469] [2022-07-20 01:22:01,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:22:01,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:22:01,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:22:01,642 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) [2022-07-20 01:22:01,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 01:22:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:04,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 2357 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 01:22:04,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:22:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-07-20 01:22:04,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:22:05,491 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-07-20 01:22:05,491 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:22:05,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720595469] [2022-07-20 01:22:05,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1720595469] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:22:05,492 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:22:05,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-20 01:22:05,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344280952] [2022-07-20 01:22:05,492 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:22:05,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 01:22:05,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:22:05,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 01:22:05,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-20 01:22:05,494 INFO L87 Difference]: Start difference. First operand 1984 states and 2852 transitions. Second operand has 13 states, 11 states have (on average 8.454545454545455) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-20 01:22:06,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:22:06,430 INFO L93 Difference]: Finished difference Result 3958 states and 5690 transitions. [2022-07-20 01:22:06,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 01:22:06,432 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.454545454545455) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 202 [2022-07-20 01:22:06,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:22:06,447 INFO L225 Difference]: With dead ends: 3958 [2022-07-20 01:22:06,447 INFO L226 Difference]: Without dead ends: 1989 [2022-07-20 01:22:06,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-07-20 01:22:06,462 INFO L413 NwaCegarLoop]: 2841 mSDtfsCounter, 23 mSDsluCounter, 17023 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 19864 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 01:22:06,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 19864 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 01:22:06,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2022-07-20 01:22:06,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1985. [2022-07-20 01:22:06,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1330 states have (on average 1.3097744360902255) internal successors, (1742), 1369 states have internal predecessors, (1742), 556 states have call successors, (556), 98 states have call predecessors, (556), 98 states have return successors, (556), 544 states have call predecessors, (556), 555 states have call successors, (556) [2022-07-20 01:22:06,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2854 transitions. [2022-07-20 01:22:06,530 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2854 transitions. Word has length 202 [2022-07-20 01:22:06,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:22:06,531 INFO L495 AbstractCegarLoop]: Abstraction has 1985 states and 2854 transitions. [2022-07-20 01:22:06,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.454545454545455) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-20 01:22:06,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2854 transitions. [2022-07-20 01:22:06,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-20 01:22:06,535 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:22:06,536 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:22:06,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 01:22:06,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:22:06,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:22:06,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:22:06,756 INFO L85 PathProgramCache]: Analyzing trace with hash -956355392, now seen corresponding path program 2 times [2022-07-20 01:22:06,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:22:06,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075995762] [2022-07-20 01:22:06,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:22:06,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:22:06,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:22:06,760 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) [2022-07-20 01:22:06,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 01:22:08,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:22:08,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:22:08,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 1898 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:22:08,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:22:08,582 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2022-07-20 01:22:08,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:22:08,582 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:22:08,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075995762] [2022-07-20 01:22:08,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1075995762] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:22:08,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:22:08,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:22:08,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475417157] [2022-07-20 01:22:08,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:22:08,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:22:08,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:22:08,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:22:08,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:22:08,584 INFO L87 Difference]: Start difference. First operand 1985 states and 2854 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 01:22:09,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:22:09,269 INFO L93 Difference]: Finished difference Result 5624 states and 8076 transitions. [2022-07-20 01:22:09,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:22:09,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 205 [2022-07-20 01:22:09,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:22:09,302 INFO L225 Difference]: With dead ends: 5624 [2022-07-20 01:22:09,303 INFO L226 Difference]: Without dead ends: 3668 [2022-07-20 01:22:09,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:22:09,320 INFO L413 NwaCegarLoop]: 3561 mSDtfsCounter, 2461 mSDsluCounter, 2685 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2461 SdHoareTripleChecker+Valid, 6246 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 01:22:09,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2461 Valid, 6246 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 01:22:09,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3668 states. [2022-07-20 01:22:09,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3668 to 3652. [2022-07-20 01:22:09,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 2426 states have (on average 1.3017312448474856) internal successors, (3158), 2507 states have internal predecessors, (3158), 1041 states have call successors, (1041), 185 states have call predecessors, (1041), 184 states have return successors, (1043), 1012 states have call predecessors, (1043), 1040 states have call successors, (1043) [2022-07-20 01:22:09,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 5242 transitions. [2022-07-20 01:22:09,448 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 5242 transitions. Word has length 205 [2022-07-20 01:22:09,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:22:09,450 INFO L495 AbstractCegarLoop]: Abstraction has 3652 states and 5242 transitions. [2022-07-20 01:22:09,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 01:22:09,450 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5242 transitions. [2022-07-20 01:22:09,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-20 01:22:09,453 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:22:09,453 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:22:09,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-20 01:22:09,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:22:09,667 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:22:09,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:22:09,668 INFO L85 PathProgramCache]: Analyzing trace with hash -323456461, now seen corresponding path program 2 times [2022-07-20 01:22:09,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:22:09,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366084111] [2022-07-20 01:22:09,670 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:22:09,670 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:22:09,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:22:09,671 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) [2022-07-20 01:22:09,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 01:22:11,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:22:11,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:22:11,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 1911 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:22:11,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:22:11,574 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2022-07-20 01:22:11,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:22:11,575 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:22:11,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366084111] [2022-07-20 01:22:11,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366084111] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:22:11,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:22:11,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:22:11,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400376169] [2022-07-20 01:22:11,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:22:11,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:22:11,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:22:11,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:22:11,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:22:11,576 INFO L87 Difference]: Start difference. First operand 3652 states and 5242 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 01:22:11,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:22:11,979 INFO L93 Difference]: Finished difference Result 10872 states and 15652 transitions. [2022-07-20 01:22:11,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:22:11,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 199 [2022-07-20 01:22:11,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:22:12,032 INFO L225 Difference]: With dead ends: 10872 [2022-07-20 01:22:12,032 INFO L226 Difference]: Without dead ends: 7249 [2022-07-20 01:22:12,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:22:12,064 INFO L413 NwaCegarLoop]: 3390 mSDtfsCounter, 2814 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2814 SdHoareTripleChecker+Valid, 6200 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:22:12,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2814 Valid, 6200 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 01:22:12,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7249 states. [2022-07-20 01:22:12,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7249 to 7241. [2022-07-20 01:22:12,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7241 states, 4810 states have (on average 1.3014553014553014) internal successors, (6260), 4971 states have internal predecessors, (6260), 2066 states have call successors, (2066), 368 states have call predecessors, (2066), 364 states have return successors, (2084), 2007 states have call predecessors, (2084), 2065 states have call successors, (2084) [2022-07-20 01:22:12,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7241 states to 7241 states and 10410 transitions. [2022-07-20 01:22:12,410 INFO L78 Accepts]: Start accepts. Automaton has 7241 states and 10410 transitions. Word has length 199 [2022-07-20 01:22:12,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:22:12,410 INFO L495 AbstractCegarLoop]: Abstraction has 7241 states and 10410 transitions. [2022-07-20 01:22:12,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 01:22:12,411 INFO L276 IsEmpty]: Start isEmpty. Operand 7241 states and 10410 transitions. [2022-07-20 01:22:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-07-20 01:22:12,414 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:22:12,414 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:22:12,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 01:22:12,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:22:12,622 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:22:12,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:22:12,622 INFO L85 PathProgramCache]: Analyzing trace with hash -626016518, now seen corresponding path program 1 times [2022-07-20 01:22:12,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:22:12,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092437099] [2022-07-20 01:22:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:22:12,624 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:22:12,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:22:12,625 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) [2022-07-20 01:22:12,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 01:22:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:15,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 2405 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-20 01:22:15,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:22:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-07-20 01:22:15,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:22:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-07-20 01:22:16,558 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:22:16,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092437099] [2022-07-20 01:22:16,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2092437099] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:22:16,558 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:22:16,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-20 01:22:16,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094076969] [2022-07-20 01:22:16,558 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:22:16,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-20 01:22:16,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:22:16,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-20 01:22:16,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:22:16,560 INFO L87 Difference]: Start difference. First operand 7241 states and 10410 transitions. Second operand has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 15 states have internal predecessors, (89), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-20 01:22:17,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:22:17,859 INFO L93 Difference]: Finished difference Result 14510 states and 20856 transitions. [2022-07-20 01:22:17,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 01:22:17,860 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 15 states have internal predecessors, (89), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 200 [2022-07-20 01:22:17,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:22:17,911 INFO L225 Difference]: With dead ends: 14510 [2022-07-20 01:22:17,912 INFO L226 Difference]: Without dead ends: 7284 [2022-07-20 01:22:17,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2022-07-20 01:22:17,948 INFO L413 NwaCegarLoop]: 2842 mSDtfsCounter, 32 mSDsluCounter, 22701 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 25543 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:22:17,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 25543 Invalid, 182 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 01:22:17,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7284 states. [2022-07-20 01:22:18,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7284 to 7242. [2022-07-20 01:22:18,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7242 states, 4811 states have (on average 1.3016004988567866) internal successors, (6262), 4972 states have internal predecessors, (6262), 2066 states have call successors, (2066), 368 states have call predecessors, (2066), 364 states have return successors, (2084), 2007 states have call predecessors, (2084), 2065 states have call successors, (2084) [2022-07-20 01:22:18,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 10412 transitions. [2022-07-20 01:22:18,207 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 10412 transitions. Word has length 200 [2022-07-20 01:22:18,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:22:18,207 INFO L495 AbstractCegarLoop]: Abstraction has 7242 states and 10412 transitions. [2022-07-20 01:22:18,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 6.846153846153846) internal successors, (89), 15 states have internal predecessors, (89), 4 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-20 01:22:18,208 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 10412 transitions. [2022-07-20 01:22:18,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-20 01:22:18,211 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:22:18,211 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:22:18,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 01:22:18,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:22:18,431 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:22:18,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:22:18,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1595007721, now seen corresponding path program 2 times [2022-07-20 01:22:18,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:22:18,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557299396] [2022-07-20 01:22:18,434 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:22:18,434 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:22:18,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:22:18,435 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) [2022-07-20 01:22:18,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 01:22:20,014 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:22:20,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:22:20,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 1913 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:22:20,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:22:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-20 01:22:20,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:22:20,201 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:22:20,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557299396] [2022-07-20 01:22:20,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557299396] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:22:20,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:22:20,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:22:20,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648782162] [2022-07-20 01:22:20,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:22:20,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:22:20,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:22:20,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:22:20,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:22:20,204 INFO L87 Difference]: Start difference. First operand 7242 states and 10412 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 01:22:20,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:22:20,632 INFO L93 Difference]: Finished difference Result 18061 states and 26008 transitions. [2022-07-20 01:22:20,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:22:20,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 203 [2022-07-20 01:22:20,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:22:20,697 INFO L225 Difference]: With dead ends: 18061 [2022-07-20 01:22:20,697 INFO L226 Difference]: Without dead ends: 10848 [2022-07-20 01:22:20,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:22:20,735 INFO L413 NwaCegarLoop]: 3386 mSDtfsCounter, 2824 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2824 SdHoareTripleChecker+Valid, 6196 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:22:20,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2824 Valid, 6196 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 01:22:20,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10848 states. [2022-07-20 01:22:21,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10848 to 10845. [2022-07-20 01:22:21,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10845 states, 7207 states have (on average 1.3008186485361455) internal successors, (9375), 7448 states have internal predecessors, (9375), 3091 states have call successors, (3091), 551 states have call predecessors, (3091), 546 states have return successors, (3127), 3004 states have call predecessors, (3127), 3090 states have call successors, (3127) [2022-07-20 01:22:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10845 states to 10845 states and 15593 transitions. [2022-07-20 01:22:21,191 INFO L78 Accepts]: Start accepts. Automaton has 10845 states and 15593 transitions. Word has length 203 [2022-07-20 01:22:21,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:22:21,192 INFO L495 AbstractCegarLoop]: Abstraction has 10845 states and 15593 transitions. [2022-07-20 01:22:21,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 01:22:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand 10845 states and 15593 transitions. [2022-07-20 01:22:21,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-20 01:22:21,197 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:22:21,197 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:22:21,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 01:22:21,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:22:21,404 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:22:21,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:22:21,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1334921819, now seen corresponding path program 1 times [2022-07-20 01:22:21,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:22:21,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188458648] [2022-07-20 01:22:21,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:22:21,406 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:22:21,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:22:21,407 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) [2022-07-20 01:22:21,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 01:22:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:24,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 2440 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:22:24,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:22:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-20 01:22:24,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:22:24,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:22:24,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188458648] [2022-07-20 01:22:24,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188458648] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:22:24,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:22:24,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:22:24,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372654678] [2022-07-20 01:22:24,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:22:24,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:22:24,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:22:24,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:22:24,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:22:24,639 INFO L87 Difference]: Start difference. First operand 10845 states and 15593 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 01:22:25,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:22:25,220 INFO L93 Difference]: Finished difference Result 25265 states and 36376 transitions. [2022-07-20 01:22:25,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:22:25,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 204 [2022-07-20 01:22:25,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:22:25,366 INFO L225 Difference]: With dead ends: 25265 [2022-07-20 01:22:25,367 INFO L226 Difference]: Without dead ends: 14449 [2022-07-20 01:22:25,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:22:25,441 INFO L413 NwaCegarLoop]: 3386 mSDtfsCounter, 2825 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2825 SdHoareTripleChecker+Valid, 6196 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:22:25,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2825 Valid, 6196 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 01:22:25,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14449 states. [2022-07-20 01:22:25,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14449 to 14446. [2022-07-20 01:22:25,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14446 states, 9603 states have (on average 1.3003228157867333) internal successors, (12487), 9924 states have internal predecessors, (12487), 4114 states have call successors, (4114), 734 states have call predecessors, (4114), 728 states have return successors, (4168), 3999 states have call predecessors, (4168), 4113 states have call successors, (4168) [2022-07-20 01:22:26,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14446 states to 14446 states and 20769 transitions. [2022-07-20 01:22:26,060 INFO L78 Accepts]: Start accepts. Automaton has 14446 states and 20769 transitions. Word has length 204 [2022-07-20 01:22:26,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:22:26,060 INFO L495 AbstractCegarLoop]: Abstraction has 14446 states and 20769 transitions. [2022-07-20 01:22:26,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 01:22:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 14446 states and 20769 transitions. [2022-07-20 01:22:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-20 01:22:26,065 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:22:26,065 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:22:26,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 01:22:26,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:22:26,283 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:22:26,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:22:26,284 INFO L85 PathProgramCache]: Analyzing trace with hash 185316992, now seen corresponding path program 1 times [2022-07-20 01:22:26,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:22:26,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [841521008] [2022-07-20 01:22:26,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:22:26,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:22:26,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:22:26,287 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) [2022-07-20 01:22:26,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-20 01:22:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:29,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 2442 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:22:29,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:22:29,768 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-20 01:22:29,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:22:29,768 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:22:29,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [841521008] [2022-07-20 01:22:29,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [841521008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:22:29,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:22:29,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:22:29,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343261502] [2022-07-20 01:22:29,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:22:29,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:22:29,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:22:29,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:22:29,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:22:29,770 INFO L87 Difference]: Start difference. First operand 14446 states and 20769 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 01:22:30,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:22:30,437 INFO L93 Difference]: Finished difference Result 32419 states and 46672 transitions. [2022-07-20 01:22:30,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:22:30,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 205 [2022-07-20 01:22:30,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:22:30,530 INFO L225 Difference]: With dead ends: 32419 [2022-07-20 01:22:30,530 INFO L226 Difference]: Without dead ends: 18002 [2022-07-20 01:22:30,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:22:30,599 INFO L413 NwaCegarLoop]: 3386 mSDtfsCounter, 2826 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2826 SdHoareTripleChecker+Valid, 6196 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:22:30,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2826 Valid, 6196 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 01:22:30,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18002 states. [2022-07-20 01:22:31,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18002 to 17999. [2022-07-20 01:22:31,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17999 states, 11971 states have (on average 1.3001420098571548) internal successors, (15564), 12372 states have internal predecessors, (15564), 5121 states have call successors, (5121), 913 states have call predecessors, (5121), 906 states have return successors, (5193), 4978 states have call predecessors, (5193), 5120 states have call successors, (5193) [2022-07-20 01:22:31,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17999 states to 17999 states and 25878 transitions. [2022-07-20 01:22:31,198 INFO L78 Accepts]: Start accepts. Automaton has 17999 states and 25878 transitions. Word has length 205 [2022-07-20 01:22:31,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:22:31,199 INFO L495 AbstractCegarLoop]: Abstraction has 17999 states and 25878 transitions. [2022-07-20 01:22:31,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 01:22:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 17999 states and 25878 transitions. [2022-07-20 01:22:31,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-07-20 01:22:31,202 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:22:31,202 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:22:31,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-20 01:22:31,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:22:31,419 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:22:31,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:22:31,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1477666494, now seen corresponding path program 1 times [2022-07-20 01:22:31,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:22:31,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400606442] [2022-07-20 01:22:31,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:22:31,422 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:22:31,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:22:31,423 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) [2022-07-20 01:22:31,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-20 01:22:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:34,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:22:34,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:22:34,782 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-07-20 01:22:34,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:22:34,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:22:34,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400606442] [2022-07-20 01:22:34,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400606442] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:22:34,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:22:34,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:22:34,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699033727] [2022-07-20 01:22:34,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:22:34,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:22:34,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:22:34,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:22:34,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:22:34,783 INFO L87 Difference]: Start difference. First operand 17999 states and 25878 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 01:22:35,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:22:35,848 INFO L93 Difference]: Finished difference Result 51171 states and 73711 transitions. [2022-07-20 01:22:35,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:22:35,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 219 [2022-07-20 01:22:35,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:22:36,050 INFO L225 Difference]: With dead ends: 51171 [2022-07-20 01:22:36,051 INFO L226 Difference]: Without dead ends: 33199 [2022-07-20 01:22:36,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:22:36,146 INFO L413 NwaCegarLoop]: 4117 mSDtfsCounter, 2470 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2470 SdHoareTripleChecker+Valid, 6871 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:22:36,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2470 Valid, 6871 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 01:22:36,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33199 states. [2022-07-20 01:22:37,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33199 to 33160. [2022-07-20 01:22:37,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33160 states, 21794 states have (on average 1.2955859410847022) internal successors, (28236), 22528 states have internal predecessors, (28236), 9718 states have call successors, (9718), 1657 states have call predecessors, (9718), 1647 states have return successors, (9851), 9464 states have call predecessors, (9851), 9717 states have call successors, (9851) [2022-07-20 01:22:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33160 states to 33160 states and 47805 transitions. [2022-07-20 01:22:37,611 INFO L78 Accepts]: Start accepts. Automaton has 33160 states and 47805 transitions. Word has length 219 [2022-07-20 01:22:37,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:22:37,612 INFO L495 AbstractCegarLoop]: Abstraction has 33160 states and 47805 transitions. [2022-07-20 01:22:37,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 01:22:37,612 INFO L276 IsEmpty]: Start isEmpty. Operand 33160 states and 47805 transitions. [2022-07-20 01:22:37,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-20 01:22:37,615 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:22:37,615 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:22:37,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-20 01:22:37,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:22:37,831 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:22:37,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:22:37,832 INFO L85 PathProgramCache]: Analyzing trace with hash -549835752, now seen corresponding path program 1 times [2022-07-20 01:22:37,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:22:37,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886617624] [2022-07-20 01:22:37,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:22:37,834 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:22:37,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:22:37,836 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:22:38,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-20 01:22:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:41,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 2414 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 01:22:41,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:22:42,489 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-20 01:22:42,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:22:42,490 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:22:42,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886617624] [2022-07-20 01:22:42,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886617624] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:22:42,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:22:42,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:22:42,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271355025] [2022-07-20 01:22:42,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:22:42,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:22:42,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:22:42,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:22:42,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:22:42,492 INFO L87 Difference]: Start difference. First operand 33160 states and 47805 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 01:22:44,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:22:44,262 INFO L93 Difference]: Finished difference Result 99586 states and 143591 transitions. [2022-07-20 01:22:44,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:22:44,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 223 [2022-07-20 01:22:44,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:22:44,755 INFO L225 Difference]: With dead ends: 99586 [2022-07-20 01:22:44,755 INFO L226 Difference]: Without dead ends: 66463 [2022-07-20 01:22:44,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:22:44,893 INFO L413 NwaCegarLoop]: 3413 mSDtfsCounter, 2784 mSDsluCounter, 9617 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2788 SdHoareTripleChecker+Valid, 13030 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:22:44,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2788 Valid, 13030 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:22:44,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66463 states. [2022-07-20 01:22:46,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66463 to 66356. [2022-07-20 01:22:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66356 states, 43587 states have (on average 1.2944226489549637) internal successors, (56420), 45167 states have internal predecessors, (56420), 19424 states have call successors, (19424), 3331 states have call predecessors, (19424), 3344 states have return successors, (19787), 18837 states have call predecessors, (19787), 19423 states have call successors, (19787) [2022-07-20 01:22:47,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66356 states to 66356 states and 95631 transitions. [2022-07-20 01:22:47,615 INFO L78 Accepts]: Start accepts. Automaton has 66356 states and 95631 transitions. Word has length 223 [2022-07-20 01:22:47,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:22:47,615 INFO L495 AbstractCegarLoop]: Abstraction has 66356 states and 95631 transitions. [2022-07-20 01:22:47,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 01:22:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 66356 states and 95631 transitions. [2022-07-20 01:22:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-20 01:22:47,619 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:22:47,619 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:22:47,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-20 01:22:47,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:22:47,835 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:22:47,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:22:47,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1294134928, now seen corresponding path program 1 times [2022-07-20 01:22:47,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:22:47,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622947235] [2022-07-20 01:22:47,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:22:47,838 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:22:47,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:22:47,839 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:22:47,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-20 01:22:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:22:51,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 2416 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 01:22:51,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:22:52,637 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-20 01:22:52,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:22:52,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:22:52,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622947235] [2022-07-20 01:22:52,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622947235] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:22:52,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:22:52,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:22:52,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98807855] [2022-07-20 01:22:52,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:22:52,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:22:52,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:22:52,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:22:52,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:22:52,640 INFO L87 Difference]: Start difference. First operand 66356 states and 95631 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 01:22:56,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:22:56,636 INFO L93 Difference]: Finished difference Result 199222 states and 287047 transitions. [2022-07-20 01:22:56,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:22:56,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 224 [2022-07-20 01:22:56,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:22:57,645 INFO L225 Difference]: With dead ends: 199222 [2022-07-20 01:22:57,645 INFO L226 Difference]: Without dead ends: 132903 [2022-07-20 01:22:57,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:22:57,977 INFO L413 NwaCegarLoop]: 3387 mSDtfsCounter, 2783 mSDsluCounter, 9563 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2787 SdHoareTripleChecker+Valid, 12950 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:22:57,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2787 Valid, 12950 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:22:58,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132903 states. [2022-07-20 01:23:02,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132903 to 132732. [2022-07-20 01:23:02,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132732 states, 87209 states have (on average 1.2937196848949077) internal successors, (112824), 90349 states have internal predecessors, (112824), 38816 states have call successors, (38816), 6679 states have call predecessors, (38816), 6706 states have return successors, (39479), 37663 states have call predecessors, (39479), 38815 states have call successors, (39479) [2022-07-20 01:23:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132732 states to 132732 states and 191119 transitions. [2022-07-20 01:23:03,537 INFO L78 Accepts]: Start accepts. Automaton has 132732 states and 191119 transitions. Word has length 224 [2022-07-20 01:23:03,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:23:03,537 INFO L495 AbstractCegarLoop]: Abstraction has 132732 states and 191119 transitions. [2022-07-20 01:23:03,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 01:23:03,538 INFO L276 IsEmpty]: Start isEmpty. Operand 132732 states and 191119 transitions. [2022-07-20 01:23:03,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-20 01:23:03,542 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:23:03,542 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:23:03,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-07-20 01:23:03,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:23:03,753 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:23:03,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:23:03,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1450409627, now seen corresponding path program 1 times [2022-07-20 01:23:03,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:23:03,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394681259] [2022-07-20 01:23:03,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:23:03,756 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:23:03,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:23:03,757 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:23:03,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-20 01:23:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:23:07,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 2418 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 01:23:07,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:23:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-20 01:23:08,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:23:08,465 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:23:08,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394681259] [2022-07-20 01:23:08,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1394681259] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:23:08,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:23:08,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:23:08,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912524560] [2022-07-20 01:23:08,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:23:08,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:23:08,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:23:08,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:23:08,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:23:08,467 INFO L87 Difference]: Start difference. First operand 132732 states and 191119 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 01:23:17,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:23:17,104 INFO L93 Difference]: Finished difference Result 398608 states and 573803 transitions. [2022-07-20 01:23:17,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:23:17,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 225 [2022-07-20 01:23:17,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:23:19,387 INFO L225 Difference]: With dead ends: 398608 [2022-07-20 01:23:19,388 INFO L226 Difference]: Without dead ends: 265913 [2022-07-20 01:23:20,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:23:20,073 INFO L413 NwaCegarLoop]: 3387 mSDtfsCounter, 2784 mSDsluCounter, 9563 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2788 SdHoareTripleChecker+Valid, 12950 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:23:20,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2788 Valid, 12950 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:23:20,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265913 states.