./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 eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-?-eb692b5 [2022-07-20 02:30:11,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:30:11,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:30:11,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:30:11,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:30:11,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:30:11,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:30:11,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:30:11,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:30:11,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:30:11,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:30:11,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:30:11,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:30:11,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:30:11,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:30:11,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:30:11,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:30:11,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:30:11,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:30:11,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:30:11,183 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:30:11,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:30:11,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:30:11,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:30:11,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:30:11,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:30:11,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:30:11,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:30:11,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:30:11,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:30:11,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:30:11,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:30:11,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:30:11,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:30:11,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:30:11,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:30:11,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:30:11,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:30:11,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:30:11,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:30:11,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:30:11,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:30:11,199 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:30:11,233 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:30:11,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:30:11,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:30:11,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:30:11,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:30:11,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:30:11,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:30:11,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:30:11,247 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:30:11,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:30:11,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:30:11,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:30:11,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:30:11,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:30:11,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:30:11,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:30:11,250 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:30:11,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:30:11,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:30:11,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:30:11,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:30:11,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:30:11,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:30:11,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:30:11,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:30:11,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:30:11,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:30:11,252 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:30:11,252 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:30:11,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:30:11,253 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 [2022-07-20 02:30:11,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:30:11,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:30:11,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:30:11,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:30:11,530 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:30:11,531 INFO L432 ainManager$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 [2022-07-20 02:30:11,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc6d1562/0493904e6ea347ea85a3fa4eb71dfd01/FLAGb39ea5e57 [2022-07-20 02:30:12,490 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:30:12,491 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 [2022-07-20 02:30:12,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc6d1562/0493904e6ea347ea85a3fa4eb71dfd01/FLAGb39ea5e57 [2022-07-20 02:30:12,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc6d1562/0493904e6ea347ea85a3fa4eb71dfd01 [2022-07-20 02:30:12,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:30:12,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:30:12,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:30:12,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:30:12,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:30:12,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:30:12" (1/1) ... [2022-07-20 02:30:12,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ec9e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:12, skipping insertion in model container [2022-07-20 02:30:12,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:30:12" (1/1) ... [2022-07-20 02:30:12,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:30:12,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:30:17,318 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] [2022-07-20 02:30:17,321 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] [2022-07-20 02:30:17,322 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] [2022-07-20 02:30:17,322 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] [2022-07-20 02:30:17,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:30:17,403 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:30:17,527 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) [2022-07-20 02:30:17,536 INFO L158 Benchmark]: Toolchain (without parser) took 4909.56ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 79.4MB in the beginning and 86.8MB in the end (delta: -7.3MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2022-07-20 02:30:17,537 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 81.8MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 02:30:17,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4907.56ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 79.2MB in the beginning and 86.8MB in the end (delta: -7.6MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2022-07-20 02:30:17,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 81.8MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4907.56ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 79.2MB in the beginning and 86.8MB in the end (delta: -7.6MB). Peak memory consumption was 73.2MB. 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-?-eb692b5 [2022-07-20 02:30:19,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:30:19,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:30:19,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:30:19,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:30:19,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:30:19,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:30:19,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:30:19,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:30:19,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:30:19,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:30:19,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:30:19,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:30:19,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:30:19,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:30:19,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:30:19,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:30:19,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:30:19,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:30:19,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:30:19,475 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:30:19,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:30:19,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:30:19,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:30:19,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:30:19,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:30:19,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:30:19,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:30:19,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:30:19,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:30:19,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:30:19,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:30:19,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:30:19,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:30:19,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:30:19,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:30:19,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:30:19,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:30:19,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:30:19,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:30:19,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:30:19,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:30:19,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 02:30:19,539 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:30:19,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:30:19,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:30:19,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:30:19,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:30:19,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:30:19,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:30:19,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:30:19,542 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:30:19,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:30:19,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:30:19,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:30:19,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:30:19,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:30:19,544 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 02:30:19,544 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 02:30:19,544 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 02:30:19,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:30:19,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:30:19,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:30:19,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:30:19,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:30:19,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:30:19,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:30:19,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:30:19,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:30:19,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:30:19,545 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 02:30:19,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 02:30:19,545 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:30:19,546 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:30:19,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:30:19,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 02:30:19,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 [2022-07-20 02:30:19,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:30:19,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:30:19,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:30:19,905 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:30:19,905 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:30:19,907 INFO L432 ainManager$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 [2022-07-20 02:30:19,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b913f50c/5f285fa9e9b04348b9cf7947a4a66636/FLAG0c9fe094c [2022-07-20 02:30:20,913 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:30:20,913 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 [2022-07-20 02:30:20,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b913f50c/5f285fa9e9b04348b9cf7947a4a66636/FLAG0c9fe094c [2022-07-20 02:30:21,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b913f50c/5f285fa9e9b04348b9cf7947a4a66636 [2022-07-20 02:30:21,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:30:21,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:30:21,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:30:21,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:30:21,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:30:21,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:30:21" (1/1) ... [2022-07-20 02:30:21,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60802eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:21, skipping insertion in model container [2022-07-20 02:30:21,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:30:21" (1/1) ... [2022-07-20 02:30:21,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:30:21,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:30:25,776 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] [2022-07-20 02:30:25,779 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] [2022-07-20 02:30:25,795 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] [2022-07-20 02:30:25,796 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] [2022-07-20 02:30:25,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:30:25,875 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 02:30:25,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:30:26,325 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] [2022-07-20 02:30:26,326 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] [2022-07-20 02:30:26,326 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] [2022-07-20 02:30:26,327 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] [2022-07-20 02:30:26,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:30:26,374 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:30:26,875 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] [2022-07-20 02:30:26,876 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] [2022-07-20 02:30:26,876 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] [2022-07-20 02:30:26,876 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] [2022-07-20 02:30:26,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:30:27,124 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:30:27,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:27 WrapperNode [2022-07-20 02:30:27,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:30:27,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:30:27,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:30:27,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:30:27,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:27" (1/1) ... [2022-07-20 02:30:27,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:27" (1/1) ... [2022-07-20 02:30:27,561 INFO L137 Inliner]: procedures = 596, calls = 3848, calls flagged for inlining = 356, calls inlined = 344, statements flattened = 9942 [2022-07-20 02:30:27,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:30:27,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:30:27,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:30:27,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:30:27,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:27" (1/1) ... [2022-07-20 02:30:27,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:27" (1/1) ... [2022-07-20 02:30:27,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:27" (1/1) ... [2022-07-20 02:30:27,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:27" (1/1) ... [2022-07-20 02:30:27,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:27" (1/1) ... [2022-07-20 02:30:27,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:27" (1/1) ... [2022-07-20 02:30:27,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:27" (1/1) ... [2022-07-20 02:30:27,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:30:27,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:30:27,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:30:27,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:30:27,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:27" (1/1) ... [2022-07-20 02:30:27,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:30:27,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:30:27,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 02:30:27,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 02:30:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 02:30:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 02:30:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-20 02:30:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-20 02:30:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-07-20 02:30:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-07-20 02:30:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-20 02:30:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-20 02:30:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-07-20 02:30:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-07-20 02:30:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 02:30:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 02:30:28,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:30:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:30:28,013 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-20 02:30:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-20 02:30:28,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:30:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:30:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-07-20 02:30:28,014 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-07-20 02:30:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-20 02:30:28,014 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-20 02:30:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 02:30:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 02:30:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 02:30:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 02:30:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 02:30:28,016 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 02:30:28,016 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-07-20 02:30:28,016 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-07-20 02:30:28,016 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 02:30:28,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 02:30:28,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 02:30:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 02:30:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-07-20 02:30:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-07-20 02:30:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-07-20 02:30:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-07-20 02:30:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-07-20 02:30:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-07-20 02:30:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 02:30:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 02:30:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:30:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:30:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 02:30:28,021 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 02:30:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 02:30:28,021 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 02:30:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 02:30:28,022 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 02:30:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:30:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:30:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-20 02:30:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-20 02:30:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 02:30:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 02:30:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 02:30:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 02:30:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-20 02:30:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-20 02:30:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:30:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 02:30:28,025 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 02:30:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-07-20 02:30:28,025 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-07-20 02:30:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 02:30:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 02:30:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 02:30:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 02:30:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-20 02:30:28,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-20 02:30:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-07-20 02:30:28,026 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-07-20 02:30:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:30:28,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:30:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 02:30:28,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 02:30:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-07-20 02:30:28,026 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-07-20 02:30:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-07-20 02:30:28,026 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-07-20 02:30:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-07-20 02:30:28,026 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-07-20 02:30:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-07-20 02:30:28,027 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-07-20 02:30:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 02:30:28,027 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 02:30:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 02:30:28,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 02:30:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-07-20 02:30:28,027 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-07-20 02:30:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:30:28,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:30:28,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 02:30:28,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 02:30:28,028 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 02:30:28,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 02:30:28,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:30:28,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:30:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 02:30:28,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 02:30:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 02:30:28,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 02:30:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:30:28,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:30:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:30:28,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:30:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 02:30:28,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 02:30:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-07-20 02:30:28,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-07-20 02:30:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:30:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:30:28,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:30:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:30:28,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:30:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 02:30:28,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 02:30:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-20 02:30:28,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-20 02:30:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:30:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 02:30:28,032 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 02:30:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:30:28,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:30:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:30:28,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:30:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:30:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-07-20 02:30:28,033 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-07-20 02:30:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-20 02:30:28,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-20 02:30:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 02:30:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 02:30:28,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 02:30:28,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:30:28,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:30:28,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 02:30:28,034 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-20 02:30:28,034 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-20 02:30:28,034 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-20 02:30:28,035 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-20 02:30:28,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 02:30:28,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 02:30:28,035 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-07-20 02:30:28,035 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-07-20 02:30:28,035 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-07-20 02:30:28,035 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-07-20 02:30:28,036 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-20 02:30:28,036 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-20 02:30:28,036 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:30:28,036 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:30:28,036 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-07-20 02:30:28,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-07-20 02:30:28,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 02:30:28,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 02:30:28,037 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-07-20 02:30:28,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-07-20 02:30:28,037 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-07-20 02:30:28,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-07-20 02:30:28,037 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-07-20 02:30:28,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-07-20 02:30:28,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-07-20 02:30:28,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-07-20 02:30:28,038 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 02:30:28,038 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 02:30:28,038 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 02:30:28,038 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 02:30:28,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 02:30:28,039 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-07-20 02:30:28,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-07-20 02:30:28,039 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-07-20 02:30:28,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-07-20 02:30:28,039 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-20 02:30:28,039 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-20 02:30:28,039 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-07-20 02:30:28,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-07-20 02:30:28,040 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-07-20 02:30:28,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-07-20 02:30:28,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:30:28,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:30:28,040 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-20 02:30:28,040 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-20 02:30:28,040 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 02:30:28,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 02:30:28,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 02:30:28,041 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 02:30:28,041 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 02:30:28,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 02:30:28,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 02:30:28,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:30:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 02:30:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:30:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:30:28,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:30:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 02:30:28,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 02:30:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-07-20 02:30:28,042 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-07-20 02:30:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 02:30:28,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 02:30:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 02:30:28,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 02:30:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-07-20 02:30:28,043 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-07-20 02:30:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-07-20 02:30:28,044 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-07-20 02:30:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 02:30:28,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 02:30:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-20 02:30:28,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-20 02:30:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-20 02:30:28,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-20 02:30:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-07-20 02:30:28,045 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-07-20 02:30:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-07-20 02:30:28,045 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-07-20 02:30:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 02:30:28,045 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 02:30:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:30:28,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:30:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-07-20 02:30:28,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-07-20 02:30:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-20 02:30:28,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-20 02:30:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-07-20 02:30:28,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-07-20 02:30:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-20 02:30:28,047 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-20 02:30:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 02:30:28,047 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 02:30:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:30:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-20 02:30:28,047 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-20 02:30:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-20 02:30:28,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-20 02:30:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-07-20 02:30:28,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-07-20 02:30:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-07-20 02:30:28,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-07-20 02:30:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 02:30:28,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 02:30:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-20 02:30:28,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-20 02:30:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:30:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-07-20 02:30:28,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-07-20 02:30:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-20 02:30:28,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-20 02:30:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 02:30:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 02:30:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-07-20 02:30:28,050 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-07-20 02:30:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 02:30:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 02:30:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:30:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-20 02:30:28,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-20 02:30:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-07-20 02:30:28,051 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-07-20 02:30:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 02:30:28,051 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 02:30:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 02:30:28,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 02:30:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 02:30:28,052 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 02:30:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-07-20 02:30:28,052 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-07-20 02:30:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:30:28,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:30:28,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:30:28,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:30:28,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 02:30:28,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 02:30:28,053 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-07-20 02:30:28,053 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-07-20 02:30:28,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-20 02:30:28,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-20 02:30:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-07-20 02:30:28,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-07-20 02:30:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-07-20 02:30:28,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-07-20 02:30:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-07-20 02:30:28,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-07-20 02:30:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 02:30:28,055 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 02:30:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 02:30:28,055 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 02:30:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-20 02:30:28,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-20 02:30:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-20 02:30:28,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-20 02:30:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-20 02:30:28,056 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-20 02:30:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 02:30:28,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 02:30:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-07-20 02:30:28,056 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-07-20 02:30:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 02:30:28,057 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 02:30:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-07-20 02:30:28,057 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-07-20 02:30:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-07-20 02:30:28,057 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-07-20 02:30:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-20 02:30:28,057 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-20 02:30:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 02:30:28,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 02:30:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-07-20 02:30:28,058 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-07-20 02:30:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-07-20 02:30:28,058 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-07-20 02:30:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 02:30:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 02:30:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 02:30:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 02:30:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:30:28,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:30:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 02:30:28,059 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 02:30:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 02:30:28,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 02:30:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-07-20 02:30:28,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-07-20 02:30:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 02:30:28,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 02:30:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-07-20 02:30:28,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-07-20 02:30:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-07-20 02:30:28,061 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-07-20 02:30:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-20 02:30:28,061 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-20 02:30:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-07-20 02:30:28,061 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-07-20 02:30:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:30:28,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:30:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 02:30:28,062 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 02:30:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-07-20 02:30:28,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-07-20 02:30:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-07-20 02:30:28,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-07-20 02:30:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-20 02:30:28,063 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-20 02:30:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 02:30:28,063 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 02:30:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 02:30:28,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 02:30:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 02:30:28,063 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 02:30:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-07-20 02:30:28,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-07-20 02:30:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:30:28,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:30:29,380 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:30:29,387 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:30:30,122 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:31:26,409 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:31:29,243 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:31:29,273 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:31:29,274 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 02:31:29,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:31:29 BoogieIcfgContainer [2022-07-20 02:31:29,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:31:29,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:31:29,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:31:29,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:31:29,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:30:21" (1/3) ... [2022-07-20 02:31:29,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0c538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:31:29, skipping insertion in model container [2022-07-20 02:31:29,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:30:27" (2/3) ... [2022-07-20 02:31:29,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0c538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:31:29, skipping insertion in model container [2022-07-20 02:31:29,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:31:29" (3/3) ... [2022-07-20 02:31:29,287 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-20 02:31:29,299 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:31:29,299 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-20 02:31:29,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:31:29,415 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@35cd5a40, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@587d424d [2022-07-20 02:31:29,416 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-20 02:31:29,432 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) [2022-07-20 02:31:29,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-20 02:31:29,458 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:31:29,459 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] [2022-07-20 02:31:29,460 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] === [2022-07-20 02:31:29,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:31:29,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1574313908, now seen corresponding path program 1 times [2022-07-20 02:31:29,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:31:29,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512012735] [2022-07-20 02:31:29,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:31:29,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:31:29,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:31:29,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:31:29,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 02:31:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:31:31,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 1713 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:31:31,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:31:32,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-20 02:31:32,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:31:32,143 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:31:32,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512012735] [2022-07-20 02:31:32,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512012735] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:31:32,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:31:32,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:31:32,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865994765] [2022-07-20 02:31:32,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:31:32,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:31:32,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:31:32,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:31:32,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:31:32,181 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) [2022-07-20 02:31:33,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:31:33,146 INFO L93 Difference]: Finished difference Result 11967 states and 17135 transitions. [2022-07-20 02:31:33,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:31:33,149 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 [2022-07-20 02:31:33,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:31:33,227 INFO L225 Difference]: With dead ends: 11967 [2022-07-20 02:31:33,227 INFO L226 Difference]: Without dead ends: 7941 [2022-07-20 02:31:33,261 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 [2022-07-20 02:31:33,264 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 [2022-07-20 02:31:33,265 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] [2022-07-20 02:31:33,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7941 states. [2022-07-20 02:31:33,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7941 to 7939. [2022-07-20 02:31:33,801 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) [2022-07-20 02:31:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7939 states to 7939 states and 11214 transitions. [2022-07-20 02:31:33,880 INFO L78 Accepts]: Start accepts. Automaton has 7939 states and 11214 transitions. Word has length 216 [2022-07-20 02:31:33,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:31:33,885 INFO L495 AbstractCegarLoop]: Abstraction has 7939 states and 11214 transitions. [2022-07-20 02:31:33,885 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) [2022-07-20 02:31:33,885 INFO L276 IsEmpty]: Start isEmpty. Operand 7939 states and 11214 transitions. [2022-07-20 02:31:33,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-20 02:31:33,899 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:31:33,899 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] [2022-07-20 02:31:33,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 02:31:34,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:31:34,120 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] === [2022-07-20 02:31:34,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:31:34,121 INFO L85 PathProgramCache]: Analyzing trace with hash 874449462, now seen corresponding path program 1 times [2022-07-20 02:31:34,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:31:34,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618529807] [2022-07-20 02:31:34,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:31:34,123 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:31:34,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:31:34,129 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:31:34,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 02:31:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:31:36,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 1801 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:31:36,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:31:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-20 02:31:36,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:31:36,919 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:31:36,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618529807] [2022-07-20 02:31:36,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [618529807] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:31:36,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:31:36,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:31:36,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105276285] [2022-07-20 02:31:36,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:31:36,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:31:36,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:31:36,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:31:36,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:31:36,924 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) [2022-07-20 02:31:38,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:31:38,091 INFO L93 Difference]: Finished difference Result 18941 states and 26702 transitions. [2022-07-20 02:31:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:31:38,091 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 [2022-07-20 02:31:38,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:31:38,181 INFO L225 Difference]: With dead ends: 18941 [2022-07-20 02:31:38,182 INFO L226 Difference]: Without dead ends: 11041 [2022-07-20 02:31:38,229 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 [2022-07-20 02:31:38,230 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 [2022-07-20 02:31:38,231 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] [2022-07-20 02:31:38,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11041 states. [2022-07-20 02:31:38,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11041 to 11032. [2022-07-20 02:31:38,786 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) [2022-07-20 02:31:38,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11032 states to 11032 states and 15505 transitions. [2022-07-20 02:31:38,853 INFO L78 Accepts]: Start accepts. Automaton has 11032 states and 15505 transitions. Word has length 234 [2022-07-20 02:31:38,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:31:38,855 INFO L495 AbstractCegarLoop]: Abstraction has 11032 states and 15505 transitions. [2022-07-20 02:31:38,856 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) [2022-07-20 02:31:38,856 INFO L276 IsEmpty]: Start isEmpty. Operand 11032 states and 15505 transitions. [2022-07-20 02:31:38,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-20 02:31:38,865 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:31:38,865 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] [2022-07-20 02:31:38,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 02:31:39,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:31:39,088 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] === [2022-07-20 02:31:39,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:31:39,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1292582893, now seen corresponding path program 1 times [2022-07-20 02:31:39,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:31:39,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583853750] [2022-07-20 02:31:39,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:31:39,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:31:39,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:31:39,096 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:31:39,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 02:31:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:31:41,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:31:41,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:31:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2022-07-20 02:31:41,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:31:41,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:31:41,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583853750] [2022-07-20 02:31:41,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1583853750] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:31:41,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:31:41,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:31:41,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444061667] [2022-07-20 02:31:41,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:31:41,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:31:41,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:31:41,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:31:41,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:31:41,639 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) [2022-07-20 02:31:42,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:31:42,923 INFO L93 Difference]: Finished difference Result 29329 states and 41233 transitions. [2022-07-20 02:31:42,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:31:42,924 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 [2022-07-20 02:31:42,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:31:43,085 INFO L225 Difference]: With dead ends: 29329 [2022-07-20 02:31:43,085 INFO L226 Difference]: Without dead ends: 18336 [2022-07-20 02:31:43,154 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 [2022-07-20 02:31:43,157 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 [2022-07-20 02:31:43,159 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] [2022-07-20 02:31:43,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18336 states. [2022-07-20 02:31:44,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18336 to 18323. [2022-07-20 02:31:44,313 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) [2022-07-20 02:31:44,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18323 states to 18323 states and 25743 transitions. [2022-07-20 02:31:44,417 INFO L78 Accepts]: Start accepts. Automaton has 18323 states and 25743 transitions. Word has length 248 [2022-07-20 02:31:44,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:31:44,418 INFO L495 AbstractCegarLoop]: Abstraction has 18323 states and 25743 transitions. [2022-07-20 02:31:44,418 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) [2022-07-20 02:31:44,418 INFO L276 IsEmpty]: Start isEmpty. Operand 18323 states and 25743 transitions. [2022-07-20 02:31:44,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-20 02:31:44,432 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:31:44,434 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] [2022-07-20 02:31:44,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 02:31:44,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:31:44,648 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] === [2022-07-20 02:31:44,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:31:44,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1553606092, now seen corresponding path program 1 times [2022-07-20 02:31:44,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:31:44,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99855269] [2022-07-20 02:31:44,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:31:44,650 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:31:44,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:31:44,656 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:31:44,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 02:31:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:31:47,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 1840 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:31:47,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:31:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2022-07-20 02:31:51,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:31:51,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:31:51,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99855269] [2022-07-20 02:31:51,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [99855269] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:31:51,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:31:51,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:31:51,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795940409] [2022-07-20 02:31:51,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:31:51,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:31:51,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:31:51,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:31:51,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:31:51,416 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) [2022-07-20 02:31:52,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:31:52,051 INFO L93 Difference]: Finished difference Result 18323 states and 25743 transitions. [2022-07-20 02:31:52,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 02:31:52,052 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 [2022-07-20 02:31:52,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:31:52,159 INFO L225 Difference]: With dead ends: 18323 [2022-07-20 02:31:52,160 INFO L226 Difference]: Without dead ends: 18268 [2022-07-20 02:31:52,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:31:52,185 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 [2022-07-20 02:31:52,186 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] [2022-07-20 02:31:52,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18268 states. [2022-07-20 02:31:53,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18268 to 18268. [2022-07-20 02:31:53,228 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) [2022-07-20 02:31:53,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18268 states to 18268 states and 25655 transitions. [2022-07-20 02:31:53,309 INFO L78 Accepts]: Start accepts. Automaton has 18268 states and 25655 transitions. Word has length 274 [2022-07-20 02:31:53,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:31:53,310 INFO L495 AbstractCegarLoop]: Abstraction has 18268 states and 25655 transitions. [2022-07-20 02:31:53,310 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) [2022-07-20 02:31:53,311 INFO L276 IsEmpty]: Start isEmpty. Operand 18268 states and 25655 transitions. [2022-07-20 02:31:53,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-07-20 02:31:53,336 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:31:53,336 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] [2022-07-20 02:31:53,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 02:31:53,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:31:53,550 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] === [2022-07-20 02:31:53,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:31:53,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1447059947, now seen corresponding path program 1 times [2022-07-20 02:31:53,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:31:53,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [851447907] [2022-07-20 02:31:53,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:31:53,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:31:53,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:31:53,554 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:31:53,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 02:31:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:31:55,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1945 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:31:55,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:31:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1489 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2022-07-20 02:31:56,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:31:56,501 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:31:56,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [851447907] [2022-07-20 02:31:56,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [851447907] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:31:56,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:31:56,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:31:56,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186494919] [2022-07-20 02:31:56,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:31:56,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:31:56,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:31:56,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:31:56,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:31:56,505 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) [2022-07-20 02:31:58,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:31:58,075 INFO L93 Difference]: Finished difference Result 40079 states and 56295 transitions. [2022-07-20 02:31:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:31:58,076 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 [2022-07-20 02:31:58,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:31:58,217 INFO L225 Difference]: With dead ends: 40079 [2022-07-20 02:31:58,217 INFO L226 Difference]: Without dead ends: 25235 [2022-07-20 02:31:58,288 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 [2022-07-20 02:31:58,289 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 [2022-07-20 02:31:58,290 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] [2022-07-20 02:31:58,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25235 states. [2022-07-20 02:31:59,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25235 to 25231. [2022-07-20 02:31:59,538 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) [2022-07-20 02:31:59,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25231 states to 25231 states and 35403 transitions. [2022-07-20 02:31:59,682 INFO L78 Accepts]: Start accepts. Automaton has 25231 states and 35403 transitions. Word has length 300 [2022-07-20 02:31:59,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:31:59,684 INFO L495 AbstractCegarLoop]: Abstraction has 25231 states and 35403 transitions. [2022-07-20 02:31:59,684 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) [2022-07-20 02:31:59,684 INFO L276 IsEmpty]: Start isEmpty. Operand 25231 states and 35403 transitions. [2022-07-20 02:31:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-20 02:31:59,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:31:59,903 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] [2022-07-20 02:31:59,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 02:32:00,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:32:00,104 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] === [2022-07-20 02:32:00,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:32:00,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1991695558, now seen corresponding path program 1 times [2022-07-20 02:32:00,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:32:00,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234229063] [2022-07-20 02:32:00,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:32:00,107 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:32:00,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:32:00,109 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:32:00,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 02:32:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:32:02,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:32:02,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:32:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-07-20 02:32:02,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:32:02,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:32:02,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1234229063] [2022-07-20 02:32:02,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1234229063] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:32:02,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:32:02,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:32:02,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110564614] [2022-07-20 02:32:02,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:32:02,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:32:02,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:32:02,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:32:02,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:32:02,440 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) [2022-07-20 02:32:04,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:32:04,030 INFO L93 Difference]: Finished difference Result 68533 states and 96215 transitions. [2022-07-20 02:32:04,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:32:04,031 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 [2022-07-20 02:32:04,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:32:04,325 INFO L225 Difference]: With dead ends: 68533 [2022-07-20 02:32:04,326 INFO L226 Difference]: Without dead ends: 43285 [2022-07-20 02:32:04,413 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 [2022-07-20 02:32:04,414 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 [2022-07-20 02:32:04,415 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] [2022-07-20 02:32:04,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43285 states. [2022-07-20 02:32:06,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43285 to 43283. [2022-07-20 02:32:06,450 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) [2022-07-20 02:32:06,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43283 states to 43283 states and 60771 transitions. [2022-07-20 02:32:06,654 INFO L78 Accepts]: Start accepts. Automaton has 43283 states and 60771 transitions. Word has length 328 [2022-07-20 02:32:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:32:06,655 INFO L495 AbstractCegarLoop]: Abstraction has 43283 states and 60771 transitions. [2022-07-20 02:32:06,655 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) [2022-07-20 02:32:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 43283 states and 60771 transitions. [2022-07-20 02:32:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-20 02:32:06,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:32:06,694 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] [2022-07-20 02:32:06,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-20 02:32:06,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:32:06,916 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] === [2022-07-20 02:32:06,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:32:06,916 INFO L85 PathProgramCache]: Analyzing trace with hash -849193092, now seen corresponding path program 1 times [2022-07-20 02:32:06,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:32:06,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1046655154] [2022-07-20 02:32:06,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:32:06,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:32:06,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:32:06,920 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:32:06,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 02:32:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:32:09,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:32:09,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:32:09,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-07-20 02:32:09,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:32:09,832 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:32:09,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1046655154] [2022-07-20 02:32:09,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1046655154] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:32:09,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:32:09,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:32:09,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923511509] [2022-07-20 02:32:09,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:32:09,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:32:09,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:32:09,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:32:09,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:32:09,834 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) [2022-07-20 02:32:11,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:32:11,788 INFO L93 Difference]: Finished difference Result 104631 states and 146945 transitions. [2022-07-20 02:32:11,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:32:11,788 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 [2022-07-20 02:32:11,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:32:12,255 INFO L225 Difference]: With dead ends: 104631 [2022-07-20 02:32:12,256 INFO L226 Difference]: Without dead ends: 64772 [2022-07-20 02:32:12,438 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 [2022-07-20 02:32:12,439 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 [2022-07-20 02:32:12,439 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] [2022-07-20 02:32:12,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64772 states. [2022-07-20 02:32:14,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64772 to 64770. [2022-07-20 02:32:14,991 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) [2022-07-20 02:32:15,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64770 states to 64770 states and 90939 transitions. [2022-07-20 02:32:15,429 INFO L78 Accepts]: Start accepts. Automaton has 64770 states and 90939 transitions. Word has length 328 [2022-07-20 02:32:15,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:32:15,430 INFO L495 AbstractCegarLoop]: Abstraction has 64770 states and 90939 transitions. [2022-07-20 02:32:15,431 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) [2022-07-20 02:32:15,431 INFO L276 IsEmpty]: Start isEmpty. Operand 64770 states and 90939 transitions. [2022-07-20 02:32:15,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-07-20 02:32:15,502 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:32:15,503 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] [2022-07-20 02:32:15,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 02:32:15,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:32:15,720 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] === [2022-07-20 02:32:15,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:32:15,721 INFO L85 PathProgramCache]: Analyzing trace with hash -39304126, now seen corresponding path program 1 times [2022-07-20 02:32:15,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:32:15,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [462729693] [2022-07-20 02:32:15,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:32:15,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:32:15,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:32:15,725 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:32:15,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 02:32:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:32:18,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 1971 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-20 02:32:18,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:32:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 405 proven. 3 refuted. 0 times theorem prover too weak. 1363 trivial. 0 not checked. [2022-07-20 02:32:20,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:32:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 1699 trivial. 0 not checked. [2022-07-20 02:32:24,120 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:32:24,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [462729693] [2022-07-20 02:32:24,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [462729693] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 02:32:24,120 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 02:32:24,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-20 02:32:24,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165019460] [2022-07-20 02:32:24,121 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 02:32:24,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-20 02:32:24,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:32:24,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-20 02:32:24,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-20 02:32:24,124 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)