./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--intel--ixgb--ixgb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.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 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:48:19,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:48:19,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:48:19,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:48:19,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:48:19,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:48:19,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:48:19,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:48:19,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:48:19,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:48:19,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:48:19,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:48:19,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:48:19,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:48:19,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:48:19,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:48:19,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:48:19,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:48:19,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:48:19,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:48:19,317 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:48:19,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:48:19,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:48:19,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:48:19,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:48:19,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:48:19,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:48:19,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:48:19,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:48:19,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:48:19,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:48:19,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:48:19,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:48:19,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:48:19,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:48:19,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:48:19,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:48:19,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:48:19,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:48:19,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:48:19,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:48:19,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:48:19,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:48:19,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:48:19,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:48:19,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:48:19,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:48:19,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:48:19,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:48:19,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:48:19,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:48:19,385 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:48:19,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:48:19,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:48:19,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:48:19,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:48:19,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:48:19,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:48:19,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:48:19,387 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:48:19,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:48:19,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:48:19,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:48:19,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:48:19,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:48:19,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:48:19,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:48:19,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:48:19,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:48:19,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:48:19,390 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:48:19,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:48:19,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:48:19,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 [2022-07-21 12:48:19,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:48:19,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:48:19,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:48:19,716 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:48:19,717 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:48:19,719 INFO L432 ainManager$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--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-21 12:48:19,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60c38e1f7/e2eda33ec10c4d3aaaa604d73e1b707a/FLAGd662c37c7 [2022-07-21 12:48:20,779 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:48:20,779 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--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-21 12:48:20,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60c38e1f7/e2eda33ec10c4d3aaaa604d73e1b707a/FLAGd662c37c7 [2022-07-21 12:48:21,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60c38e1f7/e2eda33ec10c4d3aaaa604d73e1b707a [2022-07-21 12:48:21,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:48:21,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:48:21,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:48:21,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:48:21,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:48:21,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:48:21" (1/1) ... [2022-07-21 12:48:21,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2782b589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:21, skipping insertion in model container [2022-07-21 12:48:21,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:48:21" (1/1) ... [2022-07-21 12:48:21,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:48:21,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:48:24,640 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--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-07-21 12:48:24,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:48:24,865 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:48:25,332 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: eecd_reg = eecd_reg & 4294967283U [13101] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 12:48:25,338 INFO L158 Benchmark]: Toolchain (without parser) took 4218.83ms. Allocated memory was 67.1MB in the beginning and 134.2MB in the end (delta: 67.1MB). Free memory was 41.3MB in the beginning and 47.5MB in the end (delta: -6.2MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2022-07-21 12:48:25,339 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 12:48:25,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4217.13ms. Allocated memory was 67.1MB in the beginning and 134.2MB in the end (delta: 67.1MB). Free memory was 41.1MB in the beginning and 47.5MB in the end (delta: -6.4MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2022-07-21 12:48:25,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4217.13ms. Allocated memory was 67.1MB in the beginning and 134.2MB in the end (delta: 67.1MB). Free memory was 41.1MB in the beginning and 47.5MB in the end (delta: -6.4MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [13101] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [13101]: 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--intel--ixgb--ixgb.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 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:48:27,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:48:27,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:48:27,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:48:27,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:48:27,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:48:27,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:48:27,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:48:27,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:48:27,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:48:27,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:48:27,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:48:27,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:48:27,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:48:27,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:48:27,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:48:27,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:48:27,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:48:27,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:48:27,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:48:27,166 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:48:27,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:48:27,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:48:27,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:48:27,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:48:27,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:48:27,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:48:27,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:48:27,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:48:27,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:48:27,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:48:27,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:48:27,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:48:27,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:48:27,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:48:27,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:48:27,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:48:27,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:48:27,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:48:27,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:48:27,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:48:27,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:48:27,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 12:48:27,220 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:48:27,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:48:27,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:48:27,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:48:27,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:48:27,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:48:27,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:48:27,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:48:27,223 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:48:27,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:48:27,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:48:27,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:48:27,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:48:27,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:48:27,224 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 12:48:27,225 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 12:48:27,225 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 12:48:27,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:48:27,225 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:48:27,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:48:27,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:48:27,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:48:27,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:48:27,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:48:27,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:48:27,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:48:27,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:48:27,227 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 12:48:27,227 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 12:48:27,227 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:48:27,228 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:48:27,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:48:27,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 12:48:27,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 [2022-07-21 12:48:27,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:48:27,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:48:27,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:48:27,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:48:27,545 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:48:27,547 INFO L432 ainManager$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--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-21 12:48:27,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb345bdb4/4df47a47fc9e4eee806cb9abb36ef4ed/FLAGabad3d3ca [2022-07-21 12:48:28,409 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:48:28,409 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--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-21 12:48:28,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb345bdb4/4df47a47fc9e4eee806cb9abb36ef4ed/FLAGabad3d3ca [2022-07-21 12:48:28,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb345bdb4/4df47a47fc9e4eee806cb9abb36ef4ed [2022-07-21 12:48:28,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:48:28,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:48:28,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:48:28,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:48:28,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:48:28,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:48:28" (1/1) ... [2022-07-21 12:48:28,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2006882e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:28, skipping insertion in model container [2022-07-21 12:48:28,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:48:28" (1/1) ... [2022-07-21 12:48:28,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:48:29,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:48:32,582 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--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-07-21 12:48:32,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:48:32,740 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 12:48:32,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:48:33,202 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--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-07-21 12:48:33,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:48:33,251 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:48:33,750 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--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-07-21 12:48:33,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:48:34,025 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:48:34,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:34 WrapperNode [2022-07-21 12:48:34,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:48:34,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:48:34,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:48:34,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:48:34,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:34" (1/1) ... [2022-07-21 12:48:34,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:34" (1/1) ... [2022-07-21 12:48:34,450 INFO L137 Inliner]: procedures = 464, calls = 6036, calls flagged for inlining = 203, calls inlined = 184, statements flattened = 11044 [2022-07-21 12:48:34,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:48:34,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:48:34,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:48:34,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:48:34,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:34" (1/1) ... [2022-07-21 12:48:34,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:34" (1/1) ... [2022-07-21 12:48:34,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:34" (1/1) ... [2022-07-21 12:48:34,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:34" (1/1) ... [2022-07-21 12:48:34,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:34" (1/1) ... [2022-07-21 12:48:34,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:34" (1/1) ... [2022-07-21 12:48:34,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:34" (1/1) ... [2022-07-21 12:48:34,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:48:34,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:48:34,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:48:34,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:48:34,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:34" (1/1) ... [2022-07-21 12:48:34,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:48:34,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:48:34,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 12:48:34,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 12:48:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 12:48:34,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 12:48:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:48:34,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:48:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 12:48:34,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 12:48:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-21 12:48:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-21 12:48:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:48:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:48:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-21 12:48:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-21 12:48:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_error_detected [2022-07-21 12:48:34,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_error_detected [2022-07-21 12:48:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 12:48:34,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 12:48:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-07-21 12:48:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-07-21 12:48:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 12:48:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 12:48:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-21 12:48:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-21 12:48:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 12:48:34,949 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 12:48:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout_task [2022-07-21 12:48:34,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout_task [2022-07-21 12:48:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-21 12:48:34,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-21 12:48:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-21 12:48:34,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-21 12:48:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-21 12:48:34,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-21 12:48:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-21 12:48:34,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-21 12:48:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 12:48:34,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 12:48:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_features [2022-07-21 12:48:34,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_features [2022-07-21 12:48:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-21 12:48:34,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-21 12:48:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-21 12:48:34,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-21 12:48:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 12:48:34,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 12:48:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 12:48:34,952 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 12:48:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 12:48:34,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 12:48:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 12:48:34,954 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 12:48:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:48:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 12:48:34,955 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 12:48:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 12:48:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 12:48:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 12:48:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-21 12:48:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-21 12:48:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 12:48:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 12:48:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-21 12:48:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-21 12:48:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 12:48:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 12:48:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-21 12:48:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-21 12:48:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-21 12:48:34,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-21 12:48:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 12:48:34,958 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 12:48:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-21 12:48:34,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-21 12:48:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-21 12:48:34,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-21 12:48:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-21 12:48:34,959 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-21 12:48:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-21 12:48:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-21 12:48:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 12:48:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 12:48:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-21 12:48:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-21 12:48:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 12:48:34,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 12:48:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-21 12:48:34,961 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-21 12:48:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:48:34,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:48:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 12:48:34,962 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 12:48:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 12:48:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 12:48:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-21 12:48:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-21 12:48:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-21 12:48:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-21 12:48:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 12:48:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 12:48:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-21 12:48:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-21 12:48:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-21 12:48:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-21 12:48:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:48:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:48:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-21 12:48:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-21 12:48:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:48:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 12:48:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 12:48:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:48:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 12:48:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 12:48:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 12:48:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 12:48:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:48:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 12:48:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 12:48:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 12:48:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-21 12:48:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-21 12:48:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-21 12:48:34,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-21 12:48:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-21 12:48:34,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-21 12:48:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 12:48:34,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 12:48:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-21 12:48:34,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-21 12:48:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 12:48:34,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 12:48:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-21 12:48:34,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-21 12:48:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-21 12:48:34,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-21 12:48:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 12:48:34,980 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 12:48:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 12:48:34,980 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 12:48:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-21 12:48:34,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-21 12:48:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-21 12:48:34,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-21 12:48:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-21 12:48:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-21 12:48:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 12:48:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 12:48:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 12:48:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 12:48:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 12:48:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:48:34,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:48:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 12:48:34,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 12:48:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 12:48:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 12:48:34,982 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 12:48:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 12:48:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 12:48:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:48:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 12:48:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:48:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:48:34,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:48:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 12:48:34,984 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 12:48:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 12:48:34,984 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 12:48:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-21 12:48:34,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-21 12:48:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-07-21 12:48:34,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-07-21 12:48:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:48:34,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:48:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-21 12:48:34,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-21 12:48:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 12:48:34,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 12:48:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:48:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:48:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:48:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:48:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 12:48:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 12:48:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 12:48:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 12:48:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-21 12:48:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-21 12:48:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 12:48:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 12:48:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:48:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 12:48:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 12:48:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 12:48:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 12:48:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:48:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_kill_vid [2022-07-21 12:48:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_kill_vid [2022-07-21 12:48:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 12:48:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 12:48:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 12:48:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-21 12:48:34,989 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-21 12:48:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 12:48:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:48:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_change_mtu [2022-07-21 12:48:34,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_change_mtu [2022-07-21 12:48:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 12:48:34,990 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 12:48:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 12:48:34,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 12:48:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 12:48:34,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 12:48:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 12:48:34,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 12:48:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-21 12:48:34,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-21 12:48:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-21 12:48:34,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-21 12:48:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_fix_features [2022-07-21 12:48:34,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_fix_features [2022-07-21 12:48:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 12:48:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 12:48:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-21 12:48:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-21 12:48:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 12:48:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 12:48:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_slot_reset [2022-07-21 12:48:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_slot_reset [2022-07-21 12:48:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-21 12:48:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-21 12:48:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 12:48:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 12:48:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-21 12:48:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-21 12:48:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 12:48:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 12:48:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:48:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:48:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_mac [2022-07-21 12:48:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_mac [2022-07-21 12:48:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-21 12:48:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-21 12:48:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 12:48:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 12:48:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 12:48:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 12:48:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:48:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:48:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-21 12:48:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-21 12:48:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-21 12:48:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-21 12:48:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:48:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:48:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 12:48:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 12:48:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-21 12:48:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-21 12:48:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-21 12:48:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-21 12:48:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-21 12:48:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-21 12:48:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 12:48:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 12:48:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-21 12:48:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-21 12:48:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-21 12:48:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-21 12:48:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-21 12:48:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-21 12:48:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 12:48:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 12:48:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-21 12:48:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-21 12:48:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-21 12:48:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-21 12:48:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 12:48:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 12:48:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_stats [2022-07-21 12:48:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_stats [2022-07-21 12:48:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 12:48:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 12:48:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 12:48:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 12:48:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 12:48:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-21 12:48:35,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-21 12:48:36,179 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:48:36,184 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:48:37,076 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:50:31,589 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:50:31,608 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:50:31,608 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 12:50:31,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:50:31 BoogieIcfgContainer [2022-07-21 12:50:31,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:50:31,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:50:31,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:50:31,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:50:31,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:48:28" (1/3) ... [2022-07-21 12:50:31,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c03d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:50:31, skipping insertion in model container [2022-07-21 12:50:31,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:48:34" (2/3) ... [2022-07-21 12:50:31,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c03d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:50:31, skipping insertion in model container [2022-07-21 12:50:31,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:50:31" (3/3) ... [2022-07-21 12:50:31,621 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-07-21 12:50:31,633 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:50:31,634 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:50:31,737 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:50:31,742 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@3381a38d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@22cffac0 [2022-07-21 12:50:31,742 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:50:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 3096 states, 2096 states have (on average 1.3005725190839694) internal successors, (2726), 2129 states have internal predecessors, (2726), 871 states have call successors, (871), 128 states have call predecessors, (871), 127 states have return successors, (862), 858 states have call predecessors, (862), 862 states have call successors, (862) [2022-07-21 12:50:31,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-21 12:50:31,777 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:50:31,778 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 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] [2022-07-21 12:50:31,779 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:50:31,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:50:31,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1608542857, now seen corresponding path program 1 times [2022-07-21 12:50:31,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:50:31,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076513877] [2022-07-21 12:50:31,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:50:31,808 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:50:31,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:50:31,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:50:31,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 12:50:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:50:35,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 4424 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 12:50:35,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:50:35,527 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2022-07-21 12:50:35,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:50:35,530 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:50:35,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076513877] [2022-07-21 12:50:35,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076513877] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:50:35,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:50:35,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:50:35,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686879524] [2022-07-21 12:50:35,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:50:35,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 12:50:35,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:50:35,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 12:50:35,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:50:35,569 INFO L87 Difference]: Start difference. First operand has 3096 states, 2096 states have (on average 1.3005725190839694) internal successors, (2726), 2129 states have internal predecessors, (2726), 871 states have call successors, (871), 128 states have call predecessors, (871), 127 states have return successors, (862), 858 states have call predecessors, (862), 862 states have call successors, (862) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 12:50:35,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:50:35,814 INFO L93 Difference]: Finished difference Result 6187 states and 8979 transitions. [2022-07-21 12:50:35,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 12:50:35,817 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 172 [2022-07-21 12:50:35,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:50:35,855 INFO L225 Difference]: With dead ends: 6187 [2022-07-21 12:50:35,855 INFO L226 Difference]: Without dead ends: 3057 [2022-07-21 12:50:35,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:50:35,883 INFO L413 NwaCegarLoop]: 4453 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4453 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:50:35,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4453 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:50:35,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3057 states. [2022-07-21 12:50:36,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3057 to 3057. [2022-07-21 12:50:36,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3057 states, 2068 states have (on average 1.2886847195357833) internal successors, (2665), 2090 states have internal predecessors, (2665), 862 states have call successors, (862), 127 states have call predecessors, (862), 126 states have return successors, (860), 856 states have call predecessors, (860), 860 states have call successors, (860) [2022-07-21 12:50:36,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 4387 transitions. [2022-07-21 12:50:36,161 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 4387 transitions. Word has length 172 [2022-07-21 12:50:36,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:50:36,162 INFO L495 AbstractCegarLoop]: Abstraction has 3057 states and 4387 transitions. [2022-07-21 12:50:36,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 12:50:36,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 4387 transitions. [2022-07-21 12:50:36,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-21 12:50:36,177 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:50:36,177 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 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] [2022-07-21 12:50:36,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 12:50:36,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:50:36,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:50:36,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:50:36,392 INFO L85 PathProgramCache]: Analyzing trace with hash -333627761, now seen corresponding path program 1 times [2022-07-21 12:50:36,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:50:36,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589992317] [2022-07-21 12:50:36,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:50:36,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:50:36,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:50:36,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:50:36,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 12:50:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:50:40,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 4424 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 12:50:40,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:50:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-07-21 12:50:41,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:50:41,086 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:50:41,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [589992317] [2022-07-21 12:50:41,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [589992317] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:50:41,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:50:41,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:50:41,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882776909] [2022-07-21 12:50:41,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:50:41,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:50:41,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:50:41,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:50:41,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:50:41,089 INFO L87 Difference]: Start difference. First operand 3057 states and 4387 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 12:50:43,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:50:43,668 INFO L93 Difference]: Finished difference Result 6110 states and 8783 transitions. [2022-07-21 12:50:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:50:43,669 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 172 [2022-07-21 12:50:43,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:50:43,694 INFO L225 Difference]: With dead ends: 6110 [2022-07-21 12:50:43,694 INFO L226 Difference]: Without dead ends: 3060 [2022-07-21 12:50:43,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:50:43,715 INFO L413 NwaCegarLoop]: 4367 mSDtfsCounter, 6 mSDsluCounter, 17430 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 21797 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:50:43,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 21797 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 12:50:43,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3060 states. [2022-07-21 12:50:43,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3060 to 3060. [2022-07-21 12:50:43,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3060 states, 2070 states have (on average 1.288888888888889) internal successors, (2668), 2093 states have internal predecessors, (2668), 862 states have call successors, (862), 127 states have call predecessors, (862), 127 states have return successors, (865), 856 states have call predecessors, (865), 860 states have call successors, (865) [2022-07-21 12:50:43,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 4395 transitions. [2022-07-21 12:50:43,868 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 4395 transitions. Word has length 172 [2022-07-21 12:50:43,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:50:43,870 INFO L495 AbstractCegarLoop]: Abstraction has 3060 states and 4395 transitions. [2022-07-21 12:50:43,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-21 12:50:43,870 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 4395 transitions. [2022-07-21 12:50:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-21 12:50:43,874 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:50:43,874 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 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] [2022-07-21 12:50:43,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 12:50:44,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:50:44,088 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:50:44,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:50:44,088 INFO L85 PathProgramCache]: Analyzing trace with hash -573758929, now seen corresponding path program 1 times [2022-07-21 12:50:44,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:50:44,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458300871] [2022-07-21 12:50:44,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:50:44,093 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:50:44,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:50:44,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:50:44,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 12:50:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:50:48,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 4512 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 12:50:48,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:50:48,967 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-07-21 12:50:48,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:50:51,512 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-21 12:50:51,513 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:50:51,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458300871] [2022-07-21 12:50:51,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1458300871] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:50:51,513 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:50:51,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-21 12:50:51,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944906249] [2022-07-21 12:50:51,513 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:50:51,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 12:50:51,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:50:51,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 12:50:51,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:50:51,515 INFO L87 Difference]: Start difference. First operand 3060 states and 4395 transitions. Second operand has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-21 12:50:56,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:50:56,129 INFO L93 Difference]: Finished difference Result 6121 states and 8805 transitions. [2022-07-21 12:50:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 12:50:56,130 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 180 [2022-07-21 12:50:56,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:50:56,150 INFO L225 Difference]: With dead ends: 6121 [2022-07-21 12:50:56,150 INFO L226 Difference]: Without dead ends: 3068 [2022-07-21 12:50:56,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-21 12:50:56,173 INFO L413 NwaCegarLoop]: 4369 mSDtfsCounter, 12 mSDsluCounter, 26147 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 30516 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:50:56,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 30516 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-21 12:50:56,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2022-07-21 12:50:56,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 3066. [2022-07-21 12:50:56,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3066 states, 2074 states have (on average 1.2888138862102219) internal successors, (2673), 2097 states have internal predecessors, (2673), 863 states have call successors, (863), 128 states have call predecessors, (863), 128 states have return successors, (866), 857 states have call predecessors, (866), 861 states have call successors, (866) [2022-07-21 12:50:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3066 states to 3066 states and 4402 transitions. [2022-07-21 12:50:56,310 INFO L78 Accepts]: Start accepts. Automaton has 3066 states and 4402 transitions. Word has length 180 [2022-07-21 12:50:56,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:50:56,311 INFO L495 AbstractCegarLoop]: Abstraction has 3066 states and 4402 transitions. [2022-07-21 12:50:56,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-21 12:50:56,311 INFO L276 IsEmpty]: Start isEmpty. Operand 3066 states and 4402 transitions. [2022-07-21 12:50:56,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-21 12:50:56,315 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:50:56,316 INFO L195 NwaCegarLoop]: trace histogram [16, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 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] [2022-07-21 12:50:56,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 12:50:56,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:50:56,531 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:50:56,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:50:56,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1319599759, now seen corresponding path program 2 times [2022-07-21 12:50:56,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:50:56,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578897436] [2022-07-21 12:50:56,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:50:56,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:50:56,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:50:56,539 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:50:56,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 12:50:59,640 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:50:59,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:50:59,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 4064 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:50:59,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:51:00,159 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-07-21 12:51:00,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:51:00,159 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:51:00,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578897436] [2022-07-21 12:51:00,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [578897436] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:51:00,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:51:00,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 12:51:00,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425471718] [2022-07-21 12:51:00,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:51:00,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:51:00,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:51:00,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:51:00,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:51:00,161 INFO L87 Difference]: Start difference. First operand 3066 states and 4402 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 12:51:02,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:51:02,442 INFO L93 Difference]: Finished difference Result 8571 states and 12288 transitions. [2022-07-21 12:51:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:51:02,443 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 188 [2022-07-21 12:51:02,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:51:02,486 INFO L225 Difference]: With dead ends: 8571 [2022-07-21 12:51:02,487 INFO L226 Difference]: Without dead ends: 5536 [2022-07-21 12:51:02,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:51:02,508 INFO L413 NwaCegarLoop]: 5371 mSDtfsCounter, 3552 mSDsluCounter, 4219 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3552 SdHoareTripleChecker+Valid, 9590 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:51:02,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3552 Valid, 9590 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 12:51:02,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5536 states. [2022-07-21 12:51:02,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5536 to 5514. [2022-07-21 12:51:02,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5514 states, 3711 states have (on average 1.2829426030719482) internal successors, (4761), 3751 states have internal predecessors, (4761), 1566 states have call successors, (1566), 235 states have call predecessors, (1566), 236 states have return successors, (1574), 1554 states have call predecessors, (1574), 1564 states have call successors, (1574) [2022-07-21 12:51:02,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5514 states to 5514 states and 7901 transitions. [2022-07-21 12:51:02,820 INFO L78 Accepts]: Start accepts. Automaton has 5514 states and 7901 transitions. Word has length 188 [2022-07-21 12:51:02,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:51:02,822 INFO L495 AbstractCegarLoop]: Abstraction has 5514 states and 7901 transitions. [2022-07-21 12:51:02,823 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 12:51:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 5514 states and 7901 transitions. [2022-07-21 12:51:02,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-21 12:51:02,828 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:51:02,829 INFO L195 NwaCegarLoop]: trace histogram [16, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:51:02,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 12:51:03,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:51:03,043 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:51:03,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:51:03,044 INFO L85 PathProgramCache]: Analyzing trace with hash 820005464, now seen corresponding path program 1 times [2022-07-21 12:51:03,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:51:03,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799651598] [2022-07-21 12:51:03,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:51:03,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:51:03,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:51:03,048 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:51:03,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 12:51:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:07,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 4843 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 12:51:07,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:51:08,249 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 119 proven. 3 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-21 12:51:08,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:51:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2022-07-21 12:51:11,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:51:11,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799651598] [2022-07-21 12:51:11,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1799651598] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:51:11,610 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:51:11,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-21 12:51:11,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641255033] [2022-07-21 12:51:11,610 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:51:11,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 12:51:11,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:51:11,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 12:51:11,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:51:11,611 INFO L87 Difference]: Start difference. First operand 5514 states and 7901 transitions. Second operand has 13 states, 11 states have (on average 11.636363636363637) internal successors, (128), 13 states have internal predecessors, (128), 4 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2022-07-21 12:51:18,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:51:18,601 INFO L93 Difference]: Finished difference Result 11043 states and 15852 transitions. [2022-07-21 12:51:18,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 12:51:18,603 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 11.636363636363637) internal successors, (128), 13 states have internal predecessors, (128), 4 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 237 [2022-07-21 12:51:18,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:51:18,639 INFO L225 Difference]: With dead ends: 11043 [2022-07-21 12:51:18,640 INFO L226 Difference]: Without dead ends: 5533 [2022-07-21 12:51:18,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-21 12:51:18,672 INFO L413 NwaCegarLoop]: 4372 mSDtfsCounter, 26 mSDsluCounter, 30517 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 34889 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:51:18,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 34889 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-07-21 12:51:18,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5533 states. [2022-07-21 12:51:18,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5533 to 5527. [2022-07-21 12:51:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5527 states, 3721 states have (on average 1.2832571889277076) internal successors, (4775), 3761 states have internal predecessors, (4775), 1567 states have call successors, (1567), 237 states have call predecessors, (1567), 238 states have return successors, (1580), 1555 states have call predecessors, (1580), 1565 states have call successors, (1580) [2022-07-21 12:51:18,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5527 states to 5527 states and 7922 transitions. [2022-07-21 12:51:18,957 INFO L78 Accepts]: Start accepts. Automaton has 5527 states and 7922 transitions. Word has length 237 [2022-07-21 12:51:18,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:51:18,957 INFO L495 AbstractCegarLoop]: Abstraction has 5527 states and 7922 transitions. [2022-07-21 12:51:18,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 11.636363636363637) internal successors, (128), 13 states have internal predecessors, (128), 4 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2022-07-21 12:51:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5527 states and 7922 transitions. [2022-07-21 12:51:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-21 12:51:18,962 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:51:18,964 INFO L195 NwaCegarLoop]: trace histogram [20, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:51:19,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 12:51:19,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:51:19,183 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:51:19,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:51:19,184 INFO L85 PathProgramCache]: Analyzing trace with hash 31492088, now seen corresponding path program 2 times [2022-07-21 12:51:19,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:51:19,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590180245] [2022-07-21 12:51:19,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:51:19,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:51:19,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:51:19,191 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:51:19,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 12:51:22,254 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:51:22,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:51:22,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 4071 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:51:22,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:51:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-07-21 12:51:22,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:51:22,655 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:51:22,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590180245] [2022-07-21 12:51:22,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590180245] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:51:22,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:51:22,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 12:51:22,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315396108] [2022-07-21 12:51:22,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:51:22,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:51:22,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:51:22,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:51:22,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:51:22,657 INFO L87 Difference]: Start difference. First operand 5527 states and 7922 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-21 12:51:23,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:51:23,679 INFO L93 Difference]: Finished difference Result 16259 states and 23290 transitions. [2022-07-21 12:51:23,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:51:23,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 241 [2022-07-21 12:51:23,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:51:23,751 INFO L225 Difference]: With dead ends: 16259 [2022-07-21 12:51:23,751 INFO L226 Difference]: Without dead ends: 10772 [2022-07-21 12:51:23,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:51:23,779 INFO L413 NwaCegarLoop]: 5428 mSDtfsCounter, 4193 mSDsluCounter, 4314 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4193 SdHoareTripleChecker+Valid, 9742 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 12:51:23,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4193 Valid, 9742 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 12:51:23,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10772 states. [2022-07-21 12:51:24,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10772 to 10766. [2022-07-21 12:51:24,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10766 states, 7253 states have (on average 1.2818144216186405) internal successors, (9297), 7330 states have internal predecessors, (9297), 3045 states have call successors, (3045), 464 states have call predecessors, (3045), 467 states have return successors, (3068), 3023 states have call predecessors, (3068), 3043 states have call successors, (3068) [2022-07-21 12:51:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10766 states to 10766 states and 15410 transitions. [2022-07-21 12:51:24,348 INFO L78 Accepts]: Start accepts. Automaton has 10766 states and 15410 transitions. Word has length 241 [2022-07-21 12:51:24,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:51:24,349 INFO L495 AbstractCegarLoop]: Abstraction has 10766 states and 15410 transitions. [2022-07-21 12:51:24,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-21 12:51:24,350 INFO L276 IsEmpty]: Start isEmpty. Operand 10766 states and 15410 transitions. [2022-07-21 12:51:24,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-07-21 12:51:24,360 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:51:24,361 INFO L195 NwaCegarLoop]: trace histogram [32, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:51:24,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-21 12:51:24,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:51:24,581 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:51:24,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:51:24,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1329511175, now seen corresponding path program 1 times [2022-07-21 12:51:24,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:51:24,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840387427] [2022-07-21 12:51:24,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:51:24,585 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:51:24,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:51:24,586 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:51:24,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 12:51:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:29,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 5394 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 12:51:29,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:51:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 584 proven. 6 refuted. 0 times theorem prover too weak. 1654 trivial. 0 not checked. [2022-07-21 12:51:30,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:51:34,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 2012 trivial. 0 not checked. [2022-07-21 12:51:34,476 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:51:34,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840387427] [2022-07-21 12:51:34,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840387427] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:51:34,476 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:51:34,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-21 12:51:34,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002906257] [2022-07-21 12:51:34,476 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:51:34,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 12:51:34,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:51:34,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 12:51:34,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-21 12:51:34,478 INFO L87 Difference]: Start difference. First operand 10766 states and 15410 transitions. Second operand has 15 states, 13 states have (on average 8.923076923076923) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-21 12:51:45,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:51:45,407 INFO L93 Difference]: Finished difference Result 21563 states and 30915 transitions. [2022-07-21 12:51:45,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 12:51:45,408 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 8.923076923076923) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) Word has length 387 [2022-07-21 12:51:45,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:51:45,462 INFO L225 Difference]: With dead ends: 21563 [2022-07-21 12:51:45,462 INFO L226 Difference]: Without dead ends: 10792 [2022-07-21 12:51:45,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 759 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-21 12:51:45,515 INFO L413 NwaCegarLoop]: 4373 mSDtfsCounter, 27 mSDsluCounter, 47971 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 52344 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-07-21 12:51:45,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 52344 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-07-21 12:51:45,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10792 states. [2022-07-21 12:51:46,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10792 to 10770. [2022-07-21 12:51:46,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10770 states, 7257 states have (on average 1.282210279729916) internal successors, (9305), 7334 states have internal predecessors, (9305), 3045 states have call successors, (3045), 464 states have call predecessors, (3045), 467 states have return successors, (3068), 3023 states have call predecessors, (3068), 3043 states have call successors, (3068) [2022-07-21 12:51:46,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10770 states to 10770 states and 15418 transitions. [2022-07-21 12:51:46,094 INFO L78 Accepts]: Start accepts. Automaton has 10770 states and 15418 transitions. Word has length 387 [2022-07-21 12:51:46,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:51:46,095 INFO L495 AbstractCegarLoop]: Abstraction has 10770 states and 15418 transitions. [2022-07-21 12:51:46,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 8.923076923076923) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-21 12:51:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 10770 states and 15418 transitions. [2022-07-21 12:51:46,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2022-07-21 12:51:46,108 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:51:46,108 INFO L195 NwaCegarLoop]: trace histogram [40, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:51:46,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 12:51:46,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:51:46,328 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:51:46,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:51:46,328 INFO L85 PathProgramCache]: Analyzing trace with hash -238388093, now seen corresponding path program 2 times [2022-07-21 12:51:46,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:51:46,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032558741] [2022-07-21 12:51:46,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:51:46,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:51:46,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:51:46,337 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:51:46,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 12:51:49,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:51:49,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:51:49,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 4095 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:51:49,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:52:00,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2624 trivial. 0 not checked. [2022-07-21 12:52:00,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:52:00,381 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:52:00,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1032558741] [2022-07-21 12:52:00,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1032558741] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:52:00,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:52:00,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:52:00,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113869093] [2022-07-21 12:52:00,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:52:00,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:52:00,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:52:00,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:52:00,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:52:00,383 INFO L87 Difference]: Start difference. First operand 10770 states and 15418 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-21 12:52:00,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:52:00,530 INFO L93 Difference]: Finished difference Result 10770 states and 15418 transitions. [2022-07-21 12:52:00,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:52:00,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 395 [2022-07-21 12:52:00,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:52:00,532 INFO L225 Difference]: With dead ends: 10770 [2022-07-21 12:52:00,532 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 12:52:00,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:52:00,564 INFO L413 NwaCegarLoop]: 4380 mSDtfsCounter, 4247 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4247 SdHoareTripleChecker+Valid, 4380 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:52:00,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4247 Valid, 4380 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:52:00,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 12:52:00,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 12:52:00,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 12:52:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 12:52:00,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 395 [2022-07-21 12:52:00,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:52:00,569 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 12:52:00,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-21 12:52:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 12:52:00,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 12:52:00,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 12:52:00,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 12:52:00,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:52:00,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.