./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.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 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:08:47,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:08:47,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:08:47,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:08:47,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:08:47,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:08:47,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:08:47,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:08:47,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:08:47,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:08:47,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:08:47,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:08:47,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:08:47,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:08:47,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:08:47,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:08:47,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:08:47,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:08:47,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:08:47,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:08:47,575 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:08:47,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:08:47,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:08:47,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:08:47,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:08:47,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:08:47,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:08:47,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:08:47,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:08:47,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:08:47,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:08:47,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:08:47,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:08:47,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:08:47,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:08:47,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:08:47,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:08:47,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:08:47,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:08:47,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:08:47,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:08:47,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:08:47,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:08:47,617 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:08:47,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:08:47,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:08:47,618 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:08:47,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:08:47,619 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:08:47,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:08:47,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:08:47,619 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:08:47,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:08:47,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:08:47,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:08:47,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:08:47,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:08:47,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:08:47,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:08:47,621 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:08:47,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:08:47,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:08:47,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:08:47,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:08:47,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:08:47,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:08:47,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:08:47,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:08:47,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:08:47,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:08:47,623 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:08:47,623 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:08:47,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:08:47,623 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 [2022-07-14 03:08:47,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:08:47,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:08:47,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:08:47,860 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:08:47,861 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:08:47,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-14 03:08:47,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/335e9d252/4d4121266a2f470784c14799f4265dda/FLAG56c7001c5 [2022-07-14 03:08:48,645 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:08:48,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-14 03:08:48,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/335e9d252/4d4121266a2f470784c14799f4265dda/FLAG56c7001c5 [2022-07-14 03:08:48,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/335e9d252/4d4121266a2f470784c14799f4265dda [2022-07-14 03:08:48,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:08:48,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:08:48,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:08:48,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:08:48,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:08:48,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:08:48" (1/1) ... [2022-07-14 03:08:48,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ebfcf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:08:48, skipping insertion in model container [2022-07-14 03:08:48,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:08:48" (1/1) ... [2022-07-14 03:08:48,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:08:48,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:08:53,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-07-14 03:08:53,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-07-14 03:08:53,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-07-14 03:08:53,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-07-14 03:08:53,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:08:53,473 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:08:53,630 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: data = data & 4294959087U [8104] 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.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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) [2022-07-14 03:08:53,635 INFO L158 Benchmark]: Toolchain (without parser) took 4889.61ms. Allocated memory was 92.3MB in the beginning and 174.1MB in the end (delta: 81.8MB). Free memory was 52.0MB in the beginning and 75.3MB in the end (delta: -23.4MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2022-07-14 03:08:53,635 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 03:08:53,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4887.19ms. Allocated memory was 92.3MB in the beginning and 174.1MB in the end (delta: 81.8MB). Free memory was 51.8MB in the beginning and 75.3MB in the end (delta: -23.6MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2022-07-14 03:08:53,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4887.19ms. Allocated memory was 92.3MB in the beginning and 174.1MB in the end (delta: 81.8MB). Free memory was 51.8MB in the beginning and 75.3MB in the end (delta: -23.6MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: data = data & 4294959087U [8104] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: data = data & 4294959087U [8104]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.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 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:08:55,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:08:55,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:08:55,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:08:55,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:08:55,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:08:55,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:08:55,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:08:55,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:08:55,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:08:55,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:08:55,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:08:55,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:08:55,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:08:55,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:08:55,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:08:55,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:08:55,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:08:55,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:08:55,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:08:55,476 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:08:55,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:08:55,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:08:55,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:08:55,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:08:55,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:08:55,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:08:55,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:08:55,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:08:55,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:08:55,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:08:55,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:08:55,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:08:55,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:08:55,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:08:55,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:08:55,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:08:55,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:08:55,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:08:55,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:08:55,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:08:55,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:08:55,502 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 03:08:55,534 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:08:55,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:08:55,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:08:55,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:08:55,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:08:55,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:08:55,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:08:55,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:08:55,537 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:08:55,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:08:55,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:08:55,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:08:55,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:08:55,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:08:55,538 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 03:08:55,547 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 03:08:55,547 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 03:08:55,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:08:55,547 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:08:55,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:08:55,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:08:55,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:08:55,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:08:55,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:08:55,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:08:55,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:08:55,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:08:55,549 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 03:08:55,549 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 03:08:55,549 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:08:55,550 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:08:55,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:08:55,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 03:08:55,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 [2022-07-14 03:08:55,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:08:55,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:08:55,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:08:55,921 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:08:55,922 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:08:55,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-14 03:08:55,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ad508b0b/5fd14943c2664b658d1a43f687fb33cb/FLAG8251ca977 [2022-07-14 03:08:56,781 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:08:56,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-14 03:08:56,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ad508b0b/5fd14943c2664b658d1a43f687fb33cb/FLAG8251ca977 [2022-07-14 03:08:56,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ad508b0b/5fd14943c2664b658d1a43f687fb33cb [2022-07-14 03:08:56,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:08:56,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:08:56,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:08:56,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:08:56,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:08:56,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:08:56" (1/1) ... [2022-07-14 03:08:56,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f631bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:08:56, skipping insertion in model container [2022-07-14 03:08:56,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:08:56" (1/1) ... [2022-07-14 03:08:56,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:08:57,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:09:01,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-07-14 03:09:01,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-07-14 03:09:01,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-07-14 03:09:01,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-07-14 03:09:01,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:09:01,662 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 03:09:01,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:09:02,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-07-14 03:09:02,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-07-14 03:09:02,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-07-14 03:09:02,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-07-14 03:09:02,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:09:02,124 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:09:02,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-07-14 03:09:02,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-07-14 03:09:02,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-07-14 03:09:02,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-07-14 03:09:02,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:09:02,660 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:09:02,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:09:02 WrapperNode [2022-07-14 03:09:02,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:09:02,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:09:02,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:09:02,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:09:02,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:09:02" (1/1) ... [2022-07-14 03:09:02,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:09:02" (1/1) ... [2022-07-14 03:09:02,994 INFO L137 Inliner]: procedures = 596, calls = 3848, calls flagged for inlining = 356, calls inlined = 344, statements flattened = 9942 [2022-07-14 03:09:02,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:09:02,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:09:02,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:09:02,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:09:03,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:09:02" (1/1) ... [2022-07-14 03:09:03,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:09:02" (1/1) ... [2022-07-14 03:09:03,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:09:02" (1/1) ... [2022-07-14 03:09:03,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:09:02" (1/1) ... [2022-07-14 03:09:03,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:09:02" (1/1) ... [2022-07-14 03:09:03,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:09:02" (1/1) ... [2022-07-14 03:09:03,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:09:02" (1/1) ... [2022-07-14 03:09:03,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:09:03,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:09:03,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:09:03,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:09:03,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:09:02" (1/1) ... [2022-07-14 03:09:03,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:09:03,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:09:03,382 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) [2022-07-14 03:09:03,388 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 [2022-07-14 03:09:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 03:09:03,414 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 03:09:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-14 03:09:03,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-14 03:09:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-07-14 03:09:03,415 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-07-14 03:09:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-14 03:09:03,415 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-14 03:09:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-07-14 03:09:03,415 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-07-14 03:09:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 03:09:03,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 03:09:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:09:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:09:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-14 03:09:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-14 03:09:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:09:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:09:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-07-14 03:09:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-07-14 03:09:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-14 03:09:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-14 03:09:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 03:09:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 03:09:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 03:09:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 03:09:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 03:09:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 03:09:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-07-14 03:09:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-07-14 03:09:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 03:09:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 03:09:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 03:09:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 03:09:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-07-14 03:09:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-07-14 03:09:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-07-14 03:09:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-07-14 03:09:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-07-14 03:09:03,421 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-07-14 03:09:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 03:09:03,421 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 03:09:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:09:03,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:09:03,422 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 03:09:03,422 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 03:09:03,422 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 03:09:03,422 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 03:09:03,422 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 03:09:03,423 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 03:09:03,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:09:03,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:09:03,423 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-14 03:09:03,423 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-14 03:09:03,423 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 03:09:03,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 03:09:03,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 03:09:03,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 03:09:03,424 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-14 03:09:03,424 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-14 03:09:03,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:09:03,424 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 03:09:03,425 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 03:09:03,425 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-07-14 03:09:03,425 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-07-14 03:09:03,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 03:09:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 03:09:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 03:09:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 03:09:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-14 03:09:03,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-14 03:09:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-07-14 03:09:03,426 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-07-14 03:09:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 03:09:03,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 03:09:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 03:09:03,427 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 03:09:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-07-14 03:09:03,428 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-07-14 03:09:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-07-14 03:09:03,428 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-07-14 03:09:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-07-14 03:09:03,429 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-07-14 03:09:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-07-14 03:09:03,429 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-07-14 03:09:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 03:09:03,429 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 03:09:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 03:09:03,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 03:09:03,429 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-07-14 03:09:03,430 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-07-14 03:09:03,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:09:03,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:09:03,430 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 03:09:03,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 03:09:03,430 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 03:09:03,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 03:09:03,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:09:03,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:09:03,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 03:09:03,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 03:09:03,432 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 03:09:03,432 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 03:09:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 03:09:03,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 03:09:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:09:03,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:09:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 03:09:03,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 03:09:03,436 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-07-14 03:09:03,436 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-07-14 03:09:03,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:09:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 03:09:03,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 03:09:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 03:09:03,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 03:09:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 03:09:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 03:09:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-14 03:09:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-14 03:09:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:09:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 03:09:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 03:09:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:09:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:09:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 03:09:03,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 03:09:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:09:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-07-14 03:09:03,443 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-07-14 03:09:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-14 03:09:03,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-14 03:09:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 03:09:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 03:09:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 03:09:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:09:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:09:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 03:09:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-14 03:09:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-14 03:09:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-14 03:09:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-14 03:09:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 03:09:03,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-14 03:09:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-07-14 03:09:03,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-07-14 03:09:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-07-14 03:09:03,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-07-14 03:09:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 03:09:03,445 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 03:09:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 03:09:03,445 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 03:09:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-07-14 03:09:03,446 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-07-14 03:09:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 03:09:03,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 03:09:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-07-14 03:09:03,446 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-07-14 03:09:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-07-14 03:09:03,446 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-07-14 03:09:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-07-14 03:09:03,447 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-07-14 03:09:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-07-14 03:09:03,447 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-07-14 03:09:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 03:09:03,447 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 03:09:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 03:09:03,447 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 03:09:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 03:09:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-07-14 03:09:03,448 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-07-14 03:09:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-07-14 03:09:03,448 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-07-14 03:09:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-14 03:09:03,448 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-14 03:09:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-07-14 03:09:03,448 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-07-14 03:09:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-07-14 03:09:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-07-14 03:09:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:09:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:09:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-14 03:09:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-14 03:09:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 03:09:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 03:09:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 03:09:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 03:09:03,450 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 03:09:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 03:09:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 03:09:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:09:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 03:09:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:09:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:09:03,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:09:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 03:09:03,451 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 03:09:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-07-14 03:09:03,451 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-07-14 03:09:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 03:09:03,451 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 03:09:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 03:09:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 03:09:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-07-14 03:09:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-07-14 03:09:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-07-14 03:09:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-07-14 03:09:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 03:09:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 03:09:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-14 03:09:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-14 03:09:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-14 03:09:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-14 03:09:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-07-14 03:09:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-07-14 03:09:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-07-14 03:09:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-07-14 03:09:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 03:09:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 03:09:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 03:09:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 03:09:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-07-14 03:09:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-07-14 03:09:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-14 03:09:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-14 03:09:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-07-14 03:09:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-07-14 03:09:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 03:09:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 03:09:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 03:09:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 03:09:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:09:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-14 03:09:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-14 03:09:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 03:09:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 03:09:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-07-14 03:09:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-07-14 03:09:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-07-14 03:09:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-07-14 03:09:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 03:09:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 03:09:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-14 03:09:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-14 03:09:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:09:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-07-14 03:09:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-07-14 03:09:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-14 03:09:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-14 03:09:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 03:09:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 03:09:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-07-14 03:09:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-07-14 03:09:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 03:09:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 03:09:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:09:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-14 03:09:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-14 03:09:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-07-14 03:09:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-07-14 03:09:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 03:09:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 03:09:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 03:09:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 03:09:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 03:09:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 03:09:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-07-14 03:09:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-07-14 03:09:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 03:09:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 03:09:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:09:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:09:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 03:09:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 03:09:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-07-14 03:09:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-07-14 03:09:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-14 03:09:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-14 03:09:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-07-14 03:09:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-07-14 03:09:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-07-14 03:09:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-07-14 03:09:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-07-14 03:09:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-07-14 03:09:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 03:09:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 03:09:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 03:09:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 03:09:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-14 03:09:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-14 03:09:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-14 03:09:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-14 03:09:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-14 03:09:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-14 03:09:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:09:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:09:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-07-14 03:09:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-07-14 03:09:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 03:09:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 03:09:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-07-14 03:09:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-07-14 03:09:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-07-14 03:09:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-07-14 03:09:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-14 03:09:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-14 03:09:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 03:09:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 03:09:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-07-14 03:09:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-07-14 03:09:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-07-14 03:09:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-07-14 03:09:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 03:09:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 03:09:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 03:09:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 03:09:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:09:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:09:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 03:09:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 03:09:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 03:09:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 03:09:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-07-14 03:09:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-07-14 03:09:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 03:09:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 03:09:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-07-14 03:09:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-07-14 03:09:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-07-14 03:09:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-07-14 03:09:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-14 03:09:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-14 03:09:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-07-14 03:09:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-07-14 03:09:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:09:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:09:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 03:09:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 03:09:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-07-14 03:09:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-07-14 03:09:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-07-14 03:09:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-07-14 03:09:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-14 03:09:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-14 03:09:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 03:09:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 03:09:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 03:09:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 03:09:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 03:09:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 03:09:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-07-14 03:09:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-07-14 03:09:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:09:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:09:04,764 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:09:04,775 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:09:05,566 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:10:04,806 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:10:08,426 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:10:08,460 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:10:08,460 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 03:10:08,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:10:08 BoogieIcfgContainer [2022-07-14 03:10:08,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:10:08,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:10:08,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:10:08,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:10:08,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:08:56" (1/3) ... [2022-07-14 03:10:08,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6452073e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:10:08, skipping insertion in model container [2022-07-14 03:10:08,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:09:02" (2/3) ... [2022-07-14 03:10:08,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6452073e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:10:08, skipping insertion in model container [2022-07-14 03:10:08,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:10:08" (3/3) ... [2022-07-14 03:10:08,470 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-14 03:10:08,480 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:10:08,480 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-14 03:10:08,600 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:10:08,610 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@2c3913e1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@10a674ae [2022-07-14 03:10:08,610 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-14 03:10:08,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 4049 states, 2766 states have (on average 1.2657266811279826) internal successors, (3501), 2805 states have internal predecessors, (3501), 1121 states have call successors, (1121), 161 states have call predecessors, (1121), 160 states have return successors, (1112), 1103 states have call predecessors, (1112), 1112 states have call successors, (1112) [2022-07-14 03:10:08,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-14 03:10:08,658 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:10:08,659 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:10:08,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:10:08,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:10:08,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1574313908, now seen corresponding path program 1 times [2022-07-14 03:10:08,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:10:08,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074854358] [2022-07-14 03:10:08,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:10:08,682 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:10:08,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:10:08,684 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) [2022-07-14 03:10:08,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 03:10:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:10:11,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 1713 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:10:11,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:10:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-14 03:10:11,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:10:11,397 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:10:11,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074854358] [2022-07-14 03:10:11,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074854358] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:10:11,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:10:11,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:10:11,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562604719] [2022-07-14 03:10:11,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:10:11,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:10:11,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:10:11,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:10:11,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:11,442 INFO L87 Difference]: Start difference. First operand has 4049 states, 2766 states have (on average 1.2657266811279826) internal successors, (3501), 2805 states have internal predecessors, (3501), 1121 states have call successors, (1121), 161 states have call predecessors, (1121), 160 states have return successors, (1112), 1103 states have call predecessors, (1112), 1112 states have call successors, (1112) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 03:10:12,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:10:12,353 INFO L93 Difference]: Finished difference Result 11967 states and 17135 transitions. [2022-07-14 03:10:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:10:12,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 216 [2022-07-14 03:10:12,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:10:12,458 INFO L225 Difference]: With dead ends: 11967 [2022-07-14 03:10:12,459 INFO L226 Difference]: Without dead ends: 7941 [2022-07-14 03:10:12,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:12,513 INFO L413 NwaCegarLoop]: 6793 mSDtfsCounter, 5564 mSDsluCounter, 5650 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5564 SdHoareTripleChecker+Valid, 12443 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:10:12,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5564 Valid, 12443 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 03:10:12,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7941 states. [2022-07-14 03:10:13,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7941 to 7939. [2022-07-14 03:10:13,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7939 states, 5435 states have (on average 1.259797608095676) internal successors, (6847), 5512 states have internal predecessors, (6847), 2185 states have call successors, (2185), 318 states have call predecessors, (2185), 317 states have return successors, (2182), 2164 states have call predecessors, (2182), 2182 states have call successors, (2182) [2022-07-14 03:10:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7939 states to 7939 states and 11214 transitions. [2022-07-14 03:10:13,234 INFO L78 Accepts]: Start accepts. Automaton has 7939 states and 11214 transitions. Word has length 216 [2022-07-14 03:10:13,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:10:13,237 INFO L495 AbstractCegarLoop]: Abstraction has 7939 states and 11214 transitions. [2022-07-14 03:10:13,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 03:10:13,238 INFO L276 IsEmpty]: Start isEmpty. Operand 7939 states and 11214 transitions. [2022-07-14 03:10:13,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-14 03:10:13,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:10:13,248 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:10:13,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 03:10:13,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:10:13,464 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:10:13,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:10:13,464 INFO L85 PathProgramCache]: Analyzing trace with hash 874449462, now seen corresponding path program 1 times [2022-07-14 03:10:13,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:10:13,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663249905] [2022-07-14 03:10:13,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:10:13,466 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:10:13,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:10:13,470 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) [2022-07-14 03:10:13,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 03:10:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:10:15,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 1801 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:10:15,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:10:16,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-14 03:10:16,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:10:16,076 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:10:16,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663249905] [2022-07-14 03:10:16,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663249905] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:10:16,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:10:16,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:10:16,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432983535] [2022-07-14 03:10:16,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:10:16,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:10:16,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:10:16,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:10:16,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:16,079 INFO L87 Difference]: Start difference. First operand 7939 states and 11214 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-14 03:10:17,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:10:17,226 INFO L93 Difference]: Finished difference Result 18941 states and 26702 transitions. [2022-07-14 03:10:17,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:10:17,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 234 [2022-07-14 03:10:17,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:10:17,343 INFO L225 Difference]: With dead ends: 18941 [2022-07-14 03:10:17,343 INFO L226 Difference]: Without dead ends: 11041 [2022-07-14 03:10:17,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:17,401 INFO L413 NwaCegarLoop]: 6682 mSDtfsCounter, 4938 mSDsluCounter, 5613 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4938 SdHoareTripleChecker+Valid, 12295 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 03:10:17,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4938 Valid, 12295 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 03:10:17,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11041 states. [2022-07-14 03:10:17,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11041 to 11032. [2022-07-14 03:10:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11032 states, 7560 states have (on average 1.2560846560846561) internal successors, (9496), 7664 states have internal predecessors, (9496), 3006 states have call successors, (3006), 466 states have call predecessors, (3006), 464 states have return successors, (3003), 2973 states have call predecessors, (3003), 3003 states have call successors, (3003) [2022-07-14 03:10:18,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11032 states to 11032 states and 15505 transitions. [2022-07-14 03:10:18,087 INFO L78 Accepts]: Start accepts. Automaton has 11032 states and 15505 transitions. Word has length 234 [2022-07-14 03:10:18,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:10:18,089 INFO L495 AbstractCegarLoop]: Abstraction has 11032 states and 15505 transitions. [2022-07-14 03:10:18,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-14 03:10:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 11032 states and 15505 transitions. [2022-07-14 03:10:18,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-14 03:10:18,096 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:10:18,097 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:10:18,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 03:10:18,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:10:18,303 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:10:18,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:10:18,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1292582893, now seen corresponding path program 1 times [2022-07-14 03:10:18,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:10:18,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169033050] [2022-07-14 03:10:18,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:10:18,306 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:10:18,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:10:18,308 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) [2022-07-14 03:10:18,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 03:10:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:10:20,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:10:20,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:10:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2022-07-14 03:10:20,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:10:20,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:10:20,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1169033050] [2022-07-14 03:10:20,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1169033050] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:10:20,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:10:20,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:10:20,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946102924] [2022-07-14 03:10:20,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:10:20,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:10:20,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:10:20,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:10:20,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:20,865 INFO L87 Difference]: Start difference. First operand 11032 states and 15505 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 03:10:21,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:10:21,953 INFO L93 Difference]: Finished difference Result 29329 states and 41233 transitions. [2022-07-14 03:10:21,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:10:21,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 248 [2022-07-14 03:10:21,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:10:22,105 INFO L225 Difference]: With dead ends: 29329 [2022-07-14 03:10:22,105 INFO L226 Difference]: Without dead ends: 18336 [2022-07-14 03:10:22,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:22,170 INFO L413 NwaCegarLoop]: 6764 mSDtfsCounter, 5501 mSDsluCounter, 5639 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5501 SdHoareTripleChecker+Valid, 12403 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:10:22,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5501 Valid, 12403 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 03:10:22,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18336 states. [2022-07-14 03:10:22,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18336 to 18323. [2022-07-14 03:10:22,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18323 states, 12558 states have (on average 1.25497690715082) internal successors, (15760), 12740 states have internal predecessors, (15760), 4993 states have call successors, (4993), 773 states have call predecessors, (4993), 770 states have return successors, (4990), 4931 states have call predecessors, (4990), 4990 states have call successors, (4990) [2022-07-14 03:10:23,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18323 states to 18323 states and 25743 transitions. [2022-07-14 03:10:23,062 INFO L78 Accepts]: Start accepts. Automaton has 18323 states and 25743 transitions. Word has length 248 [2022-07-14 03:10:23,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:10:23,063 INFO L495 AbstractCegarLoop]: Abstraction has 18323 states and 25743 transitions. [2022-07-14 03:10:23,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 03:10:23,064 INFO L276 IsEmpty]: Start isEmpty. Operand 18323 states and 25743 transitions. [2022-07-14 03:10:23,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-14 03:10:23,072 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:10:23,072 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:10:23,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 03:10:23,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:10:23,280 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:10:23,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:10:23,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1553606092, now seen corresponding path program 1 times [2022-07-14 03:10:23,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:10:23,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880098827] [2022-07-14 03:10:23,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:10:23,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:10:23,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:10:23,285 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) [2022-07-14 03:10:23,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 03:10:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:10:25,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 1840 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:10:25,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:10:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2022-07-14 03:10:29,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:10:29,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:10:29,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [880098827] [2022-07-14 03:10:29,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [880098827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:10:29,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:10:29,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:10:29,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328772215] [2022-07-14 03:10:29,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:10:29,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:10:29,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:10:29,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:10:29,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:10:29,607 INFO L87 Difference]: Start difference. First operand 18323 states and 25743 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-14 03:10:30,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:10:30,175 INFO L93 Difference]: Finished difference Result 18323 states and 25743 transitions. [2022-07-14 03:10:30,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 03:10:30,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 274 [2022-07-14 03:10:30,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:10:30,264 INFO L225 Difference]: With dead ends: 18323 [2022-07-14 03:10:30,265 INFO L226 Difference]: Without dead ends: 18268 [2022-07-14 03:10:30,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:10:30,289 INFO L413 NwaCegarLoop]: 5680 mSDtfsCounter, 5568 mSDsluCounter, 5680 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5568 SdHoareTripleChecker+Valid, 11360 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:10:30,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5568 Valid, 11360 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 03:10:30,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18268 states. [2022-07-14 03:10:31,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18268 to 18268. [2022-07-14 03:10:31,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18268 states, 12533 states have (on average 1.2545280459586692) internal successors, (15723), 12703 states have internal predecessors, (15723), 4966 states have call successors, (4966), 768 states have call predecessors, (4966), 768 states have return successors, (4966), 4918 states have call predecessors, (4966), 4966 states have call successors, (4966) [2022-07-14 03:10:31,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18268 states to 18268 states and 25655 transitions. [2022-07-14 03:10:31,491 INFO L78 Accepts]: Start accepts. Automaton has 18268 states and 25655 transitions. Word has length 274 [2022-07-14 03:10:31,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:10:31,493 INFO L495 AbstractCegarLoop]: Abstraction has 18268 states and 25655 transitions. [2022-07-14 03:10:31,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-14 03:10:31,493 INFO L276 IsEmpty]: Start isEmpty. Operand 18268 states and 25655 transitions. [2022-07-14 03:10:31,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-07-14 03:10:31,527 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:10:31,527 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:10:31,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 03:10:31,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:10:31,744 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:10:31,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:10:31,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1447059947, now seen corresponding path program 1 times [2022-07-14 03:10:31,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:10:31,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295311267] [2022-07-14 03:10:31,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:10:31,747 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:10:31,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:10:31,760 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) [2022-07-14 03:10:31,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 03:10:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:10:33,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1945 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:10:33,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:10:34,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1489 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2022-07-14 03:10:34,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:10:34,683 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:10:34,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [295311267] [2022-07-14 03:10:34,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [295311267] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:10:34,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:10:34,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:10:34,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879407551] [2022-07-14 03:10:34,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:10:34,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:10:34,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:10:34,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:10:34,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:34,685 INFO L87 Difference]: Start difference. First operand 18268 states and 25655 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-14 03:10:36,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:10:36,093 INFO L93 Difference]: Finished difference Result 40079 states and 56295 transitions. [2022-07-14 03:10:36,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:10:36,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 300 [2022-07-14 03:10:36,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:10:36,227 INFO L225 Difference]: With dead ends: 40079 [2022-07-14 03:10:36,227 INFO L226 Difference]: Without dead ends: 25235 [2022-07-14 03:10:36,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:36,296 INFO L413 NwaCegarLoop]: 10441 mSDtfsCounter, 4893 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4893 SdHoareTripleChecker+Valid, 16024 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 03:10:36,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4893 Valid, 16024 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 03:10:36,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25235 states. [2022-07-14 03:10:37,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25235 to 25231. [2022-07-14 03:10:37,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25231 states, 17313 states have (on average 1.2540287645122163) internal successors, (21711), 17547 states have internal predecessors, (21711), 6846 states have call successors, (6846), 1071 states have call predecessors, (6846), 1071 states have return successors, (6846), 6778 states have call predecessors, (6846), 6846 states have call successors, (6846) [2022-07-14 03:10:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25231 states to 25231 states and 35403 transitions. [2022-07-14 03:10:37,870 INFO L78 Accepts]: Start accepts. Automaton has 25231 states and 35403 transitions. Word has length 300 [2022-07-14 03:10:37,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:10:37,871 INFO L495 AbstractCegarLoop]: Abstraction has 25231 states and 35403 transitions. [2022-07-14 03:10:37,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-14 03:10:37,872 INFO L276 IsEmpty]: Start isEmpty. Operand 25231 states and 35403 transitions. [2022-07-14 03:10:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-14 03:10:37,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:10:37,919 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:10:38,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 03:10:38,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:10:38,140 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:10:38,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:10:38,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1991695558, now seen corresponding path program 1 times [2022-07-14 03:10:38,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:10:38,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197244076] [2022-07-14 03:10:38,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:10:38,143 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:10:38,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:10:38,152 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) [2022-07-14 03:10:38,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 03:10:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:10:40,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:10:40,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:10:40,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-07-14 03:10:40,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:10:40,649 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:10:40,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [197244076] [2022-07-14 03:10:40,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [197244076] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:10:40,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:10:40,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:10:40,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671797502] [2022-07-14 03:10:40,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:10:40,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:10:40,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:10:40,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:10:40,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:40,652 INFO L87 Difference]: Start difference. First operand 25231 states and 35403 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 03:10:42,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:10:42,257 INFO L93 Difference]: Finished difference Result 68533 states and 96215 transitions. [2022-07-14 03:10:42,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:10:42,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 328 [2022-07-14 03:10:42,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:10:42,499 INFO L225 Difference]: With dead ends: 68533 [2022-07-14 03:10:42,499 INFO L226 Difference]: Without dead ends: 43285 [2022-07-14 03:10:42,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:42,598 INFO L413 NwaCegarLoop]: 10636 mSDtfsCounter, 5517 mSDsluCounter, 5629 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5517 SdHoareTripleChecker+Valid, 16265 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:10:42,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5517 Valid, 16265 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 03:10:42,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43285 states. [2022-07-14 03:10:44,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43285 to 43283. [2022-07-14 03:10:44,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43283 states, 29689 states have (on average 1.2547744956044327) internal successors, (37253), 30087 states have internal predecessors, (37253), 11759 states have call successors, (11759), 1834 states have call predecessors, (11759), 1834 states have return successors, (11759), 11649 states have call predecessors, (11759), 11759 states have call successors, (11759) [2022-07-14 03:10:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43283 states to 43283 states and 60771 transitions. [2022-07-14 03:10:44,744 INFO L78 Accepts]: Start accepts. Automaton has 43283 states and 60771 transitions. Word has length 328 [2022-07-14 03:10:44,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:10:44,744 INFO L495 AbstractCegarLoop]: Abstraction has 43283 states and 60771 transitions. [2022-07-14 03:10:44,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 03:10:44,745 INFO L276 IsEmpty]: Start isEmpty. Operand 43283 states and 60771 transitions. [2022-07-14 03:10:44,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-14 03:10:44,815 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:10:44,815 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:10:44,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 03:10:45,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:10:45,044 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:10:45,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:10:45,045 INFO L85 PathProgramCache]: Analyzing trace with hash -849193092, now seen corresponding path program 1 times [2022-07-14 03:10:45,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:10:45,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816641322] [2022-07-14 03:10:45,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:10:45,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:10:45,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:10:45,056 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) [2022-07-14 03:10:45,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 03:10:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:10:47,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:10:47,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:10:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-07-14 03:10:47,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:10:47,492 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:10:47,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816641322] [2022-07-14 03:10:47,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1816641322] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:10:47,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:10:47,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:10:47,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317419847] [2022-07-14 03:10:47,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:10:47,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:10:47,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:10:47,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:10:47,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:47,494 INFO L87 Difference]: Start difference. First operand 43283 states and 60771 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 03:10:49,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:10:49,638 INFO L93 Difference]: Finished difference Result 104631 states and 146945 transitions. [2022-07-14 03:10:49,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:10:49,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 328 [2022-07-14 03:10:49,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:10:50,020 INFO L225 Difference]: With dead ends: 104631 [2022-07-14 03:10:50,021 INFO L226 Difference]: Without dead ends: 64772 [2022-07-14 03:10:50,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:10:50,156 INFO L413 NwaCegarLoop]: 11172 mSDtfsCounter, 5522 mSDsluCounter, 5624 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5522 SdHoareTripleChecker+Valid, 16796 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:10:50,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5522 Valid, 16796 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 03:10:50,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64772 states. [2022-07-14 03:10:52,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64772 to 64770. [2022-07-14 03:10:52,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64770 states, 44437 states have (on average 1.2548326844746496) internal successors, (55761), 45029 states have internal predecessors, (55761), 17589 states have call successors, (17589), 2743 states have call predecessors, (17589), 2743 states have return successors, (17589), 17429 states have call predecessors, (17589), 17589 states have call successors, (17589) [2022-07-14 03:10:53,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64770 states to 64770 states and 90939 transitions. [2022-07-14 03:10:53,134 INFO L78 Accepts]: Start accepts. Automaton has 64770 states and 90939 transitions. Word has length 328 [2022-07-14 03:10:53,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:10:53,136 INFO L495 AbstractCegarLoop]: Abstraction has 64770 states and 90939 transitions. [2022-07-14 03:10:53,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 03:10:53,136 INFO L276 IsEmpty]: Start isEmpty. Operand 64770 states and 90939 transitions. [2022-07-14 03:10:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-07-14 03:10:53,512 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:10:53,512 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 17, 17, 17, 17, 17, 17, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:10:53,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 03:10:53,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:10:53,728 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:10:53,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:10:53,728 INFO L85 PathProgramCache]: Analyzing trace with hash -39304126, now seen corresponding path program 1 times [2022-07-14 03:10:53,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:10:53,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649985040] [2022-07-14 03:10:53,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:10:53,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:10:53,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:10:53,735 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) [2022-07-14 03:10:53,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 03:10:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:10:56,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 1971 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-14 03:10:56,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:10:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 405 proven. 3 refuted. 0 times theorem prover too weak. 1363 trivial. 0 not checked. [2022-07-14 03:10:59,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:11:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 1699 trivial. 0 not checked. [2022-07-14 03:11:02,194 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:11:02,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649985040] [2022-07-14 03:11:02,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649985040] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 03:11:02,194 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 03:11:02,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-14 03:11:02,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791314947] [2022-07-14 03:11:02,194 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 03:11:02,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-14 03:11:02,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:11:02,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-14 03:11:02,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-14 03:11:02,195 INFO L87 Difference]: Start difference. First operand 64770 states and 90939 transitions. Second operand has 22 states, 21 states have (on average 7.0) internal successors, (147), 20 states have internal predecessors, (147), 6 states have call successors, (48), 3 states have call predecessors, (48), 8 states have return successors, (48), 7 states have call predecessors, (48), 6 states have call successors, (48)