./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.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 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:23:42,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:23:42,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:23:42,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:23:42,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:23:42,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:23:42,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:23:42,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:23:42,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:23:42,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:23:42,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:23:42,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:23:42,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:23:42,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:23:42,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:23:42,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:23:42,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:23:42,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:23:42,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:23:42,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:23:42,591 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:23:42,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:23:42,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:23:42,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:23:42,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:23:42,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:23:42,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:23:42,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:23:42,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:23:42,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:23:42,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:23:42,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:23:42,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:23:42,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:23:42,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:23:42,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:23:42,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:23:42,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:23:42,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:23:42,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:23:42,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:23:42,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:23:42,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:23:42,641 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:23:42,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:23:42,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:23:42,642 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:23:42,643 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:23:42,643 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:23:42,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:23:42,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:23:42,644 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:23:42,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:23:42,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:23:42,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:23:42,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:23:42,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:23:42,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:23:42,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:23:42,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:23:42,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:23:42,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:23:42,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:23:42,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:23:42,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:23:42,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:23:42,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:23:42,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:23:42,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:23:42,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:23:42,648 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:23:42,648 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:23:42,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:23:42,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2022-07-23 03:23:42,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:23:42,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:23:42,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:23:42,920 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:23:42,921 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:23:42,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-23 03:23:42,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df263c74e/3f7a8ac291484ce1a589cab4ac09180d/FLAG36f84cc8c [2022-07-23 03:23:43,814 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:23:43,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-23 03:23:43,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df263c74e/3f7a8ac291484ce1a589cab4ac09180d/FLAG36f84cc8c [2022-07-23 03:23:44,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df263c74e/3f7a8ac291484ce1a589cab4ac09180d [2022-07-23 03:23:44,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:23:44,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:23:44,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:23:44,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:23:44,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:23:44,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:23:44" (1/1) ... [2022-07-23 03:23:44,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e5ecb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:44, skipping insertion in model container [2022-07-23 03:23:44,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:23:44" (1/1) ... [2022-07-23 03:23:44,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:23:44,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:23:47,819 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2022-07-23 03:23:47,821 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2022-07-23 03:23:47,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:23:47,903 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:23:48,137 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: phy_val = (unsigned int )phy_val & 65027U [15270] 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:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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) [2022-07-23 03:23:48,142 INFO L158 Benchmark]: Toolchain (without parser) took 3784.91ms. Allocated memory was 109.1MB in the beginning and 218.1MB in the end (delta: 109.1MB). Free memory was 73.0MB in the beginning and 131.5MB in the end (delta: -58.5MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. [2022-07-23 03:23:48,142 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 109.1MB. Free memory was 80.9MB in the beginning and 80.9MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 03:23:48,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3783.35ms. Allocated memory was 109.1MB in the beginning and 218.1MB in the end (delta: 109.1MB). Free memory was 73.0MB in the beginning and 131.5MB in the end (delta: -58.5MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. [2022-07-23 03:23:48,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 109.1MB. Free memory was 80.9MB in the beginning and 80.9MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3783.35ms. Allocated memory was 109.1MB in the beginning and 218.1MB in the end (delta: 109.1MB). Free memory was 73.0MB in the beginning and 131.5MB in the end (delta: -58.5MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: phy_val = (unsigned int )phy_val & 65027U [15270] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: phy_val = (unsigned int )phy_val & 65027U [15270]: 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.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 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:23:49,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:23:49,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:23:49,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:23:49,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:23:49,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:23:49,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:23:49,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:23:49,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:23:49,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:23:49,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:23:49,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:23:49,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:23:49,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:23:49,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:23:49,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:23:49,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:23:49,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:23:49,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:23:49,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:23:49,811 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:23:49,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:23:49,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:23:49,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:23:49,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:23:49,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:23:49,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:23:49,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:23:49,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:23:49,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:23:49,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:23:49,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:23:49,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:23:49,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:23:49,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:23:49,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:23:49,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:23:49,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:23:49,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:23:49,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:23:49,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:23:49,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:23:49,828 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 03:23:49,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:23:49,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:23:49,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:23:49,863 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:23:49,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:23:49,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:23:49,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:23:49,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:23:49,864 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:23:49,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:23:49,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:23:49,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:23:49,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:23:49,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:23:49,866 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 03:23:49,866 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 03:23:49,866 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 03:23:49,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:23:49,866 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:23:49,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:23:49,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:23:49,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:23:49,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:23:49,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:23:49,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:23:49,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:23:49,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:23:49,868 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 03:23:49,868 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 03:23:49,868 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:23:49,868 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:23:49,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:23:49,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 03:23:49,869 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2022-07-23 03:23:50,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:23:50,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:23:50,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:23:50,147 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:23:50,147 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:23:50,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-23 03:23:50,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77577833/a809e8519ccf4f60893470729659c820/FLAGd4bb922af [2022-07-23 03:23:50,910 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:23:50,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-23 03:23:50,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77577833/a809e8519ccf4f60893470729659c820/FLAGd4bb922af [2022-07-23 03:23:51,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77577833/a809e8519ccf4f60893470729659c820 [2022-07-23 03:23:51,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:23:51,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:23:51,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:23:51,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:23:51,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:23:51,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:23:51" (1/1) ... [2022-07-23 03:23:51,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306abbab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:51, skipping insertion in model container [2022-07-23 03:23:51,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:23:51" (1/1) ... [2022-07-23 03:23:51,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:23:51,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:23:55,068 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2022-07-23 03:23:55,070 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2022-07-23 03:23:55,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:23:55,160 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 03:23:55,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:23:55,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2022-07-23 03:23:55,642 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2022-07-23 03:23:55,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:23:55,696 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:23:55,978 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2022-07-23 03:23:55,979 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2022-07-23 03:23:55,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:23:56,237 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:23:56,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:56 WrapperNode [2022-07-23 03:23:56,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:23:56,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:23:56,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:23:56,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:23:56,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:56" (1/1) ... [2022-07-23 03:23:56,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:56" (1/1) ... [2022-07-23 03:23:56,564 INFO L137 Inliner]: procedures = 681, calls = 4451, calls flagged for inlining = 327, calls inlined = 292, statements flattened = 8269 [2022-07-23 03:23:56,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:23:56,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:23:56,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:23:56,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:23:56,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:56" (1/1) ... [2022-07-23 03:23:56,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:56" (1/1) ... [2022-07-23 03:23:56,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:56" (1/1) ... [2022-07-23 03:23:56,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:56" (1/1) ... [2022-07-23 03:23:56,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:56" (1/1) ... [2022-07-23 03:23:56,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:56" (1/1) ... [2022-07-23 03:23:56,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:56" (1/1) ... [2022-07-23 03:23:56,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:23:56,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:23:56,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:23:56,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:23:56,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:56" (1/1) ... [2022-07-23 03:23:56,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:23:56,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:23:56,945 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) [2022-07-23 03:23:56,995 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 [2022-07-23 03:23:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-23 03:23:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-23 03:23:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:23:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:23:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-23 03:23:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-23 03:23:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:23:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:23:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-07-23 03:23:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-07-23 03:23:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-07-23 03:23:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-07-23 03:23:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-07-23 03:23:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-07-23 03:23:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-07-23 03:23:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-07-23 03:23:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-07-23 03:23:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-07-23 03:23:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 03:23:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 03:23:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-07-23 03:23:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-07-23 03:23:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:23:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:23:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 03:23:57,034 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 03:23:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-07-23 03:23:57,034 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-07-23 03:23:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-07-23 03:23:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-07-23 03:23:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-07-23 03:23:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-07-23 03:23:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:23:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:23:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-07-23 03:23:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-07-23 03:23:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 03:23:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 03:23:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-07-23 03:23:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-07-23 03:23:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 03:23:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 03:23:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:23:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:23:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 03:23:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 03:23:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:23:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:23:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-07-23 03:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-07-23 03:23:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-07-23 03:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-07-23 03:23:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:23:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-07-23 03:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-07-23 03:23:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-23 03:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-23 03:23:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:23:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 03:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 03:23:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-07-23 03:23:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-07-23 03:23:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 03:23:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 03:23:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 03:23:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-23 03:23:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-23 03:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-23 03:23:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-23 03:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-07-23 03:23:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-07-23 03:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-23 03:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-07-23 03:23:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-07-23 03:23:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:23:57,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:23:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 03:23:57,043 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 03:23:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-07-23 03:23:57,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-07-23 03:23:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-07-23 03:23:57,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-07-23 03:23:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-07-23 03:23:57,044 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-07-23 03:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:23:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-07-23 03:23:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-07-23 03:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 03:23:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 03:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-07-23 03:23:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-07-23 03:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:23:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 03:23:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 03:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:23:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-23 03:23:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-23 03:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:23:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:23:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:23:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:23:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-07-23 03:23:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-07-23 03:23:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-07-23 03:23:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-07-23 03:23:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:23:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:23:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:23:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:23:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 03:23:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 03:23:57,053 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-07-23 03:23:57,053 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-07-23 03:23:57,053 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-07-23 03:23:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-07-23 03:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:23:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 03:23:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 03:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-23 03:23:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-07-23 03:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 03:23:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 03:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-23 03:23:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-23 03:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-07-23 03:23:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-07-23 03:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-23 03:23:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-23 03:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-07-23 03:23:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-07-23 03:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 03:23:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 03:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:23:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:23:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:23:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 03:23:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-07-23 03:23:57,061 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-07-23 03:23:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 03:23:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-07-23 03:23:57,061 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-07-23 03:23:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 03:23:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-07-23 03:23:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-07-23 03:23:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:23:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:23:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 03:23:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:23:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:23:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-23 03:23:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-23 03:23:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 03:23:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 03:23:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-07-23 03:23:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-07-23 03:23:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-07-23 03:23:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-07-23 03:23:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-07-23 03:23:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-07-23 03:23:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-07-23 03:23:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-07-23 03:23:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-07-23 03:23:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-07-23 03:23:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 03:23:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 03:23:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 03:23:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 03:23:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 03:23:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 03:23:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:23:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:23:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-07-23 03:23:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-07-23 03:23:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:23:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:23:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-07-23 03:23:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-07-23 03:23:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-07-23 03:23:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-07-23 03:23:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:23:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:23:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 03:23:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-07-23 03:23:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-07-23 03:23:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:23:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:23:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 03:23:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 03:23:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-07-23 03:23:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-07-23 03:23:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 03:23:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 03:23:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 03:23:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:23:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 03:23:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:23:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:23:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:23:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-23 03:23:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-23 03:23:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-23 03:23:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-23 03:23:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 03:23:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 03:23:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-23 03:23:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-07-23 03:23:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-07-23 03:23:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-23 03:23:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-23 03:23:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 03:23:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 03:23:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-07-23 03:23:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-07-23 03:23:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:23:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:23:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-23 03:23:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-23 03:23:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-07-23 03:23:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-07-23 03:23:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:23:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:23:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-07-23 03:23:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-07-23 03:23:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-07-23 03:23:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-07-23 03:23:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-23 03:23:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-23 03:23:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:23:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:23:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-23 03:23:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-23 03:23:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-23 03:23:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-23 03:23:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-23 03:23:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-23 03:23:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:23:57,078 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:23:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:23:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 03:23:57,079 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 03:23:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-07-23 03:23:57,079 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-07-23 03:23:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-07-23 03:23:57,079 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-07-23 03:23:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-23 03:23:57,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-23 03:23:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-07-23 03:23:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-07-23 03:23:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 03:23:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 03:23:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:23:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-23 03:23:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-23 03:23:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2022-07-23 03:23:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2022-07-23 03:23:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 03:23:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 03:23:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 03:23:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 03:23:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:23:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-07-23 03:23:57,081 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-07-23 03:23:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-23 03:23:57,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-23 03:23:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-07-23 03:23:57,082 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-07-23 03:23:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 03:23:57,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 03:23:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-23 03:23:57,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-23 03:23:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:23:57,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:23:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-23 03:23:57,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-23 03:23:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:23:57,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:23:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 03:23:57,083 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 03:23:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-23 03:23:57,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-23 03:23:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 03:23:57,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 03:23:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-23 03:23:57,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-23 03:23:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2022-07-23 03:23:57,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2022-07-23 03:23:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 03:23:57,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 03:23:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:23:57,084 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:23:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:23:57,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:23:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-07-23 03:23:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-07-23 03:23:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:23:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:23:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-07-23 03:23:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-07-23 03:23:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:23:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:23:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-07-23 03:23:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-07-23 03:23:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 03:23:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 03:23:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 03:23:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 03:23:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:23:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:23:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-07-23 03:23:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-07-23 03:23:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-07-23 03:23:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-07-23 03:23:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-07-23 03:23:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-07-23 03:23:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-07-23 03:23:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-07-23 03:23:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-07-23 03:23:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-07-23 03:23:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 03:23:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 03:23:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-07-23 03:23:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-07-23 03:23:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 03:23:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 03:23:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-23 03:23:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-23 03:23:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-07-23 03:23:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-07-23 03:23:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-07-23 03:23:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-07-23 03:23:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-07-23 03:23:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-07-23 03:23:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-07-23 03:23:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-07-23 03:23:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-07-23 03:23:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-07-23 03:23:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-23 03:23:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-23 03:23:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-23 03:23:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-23 03:23:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:23:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:23:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 03:23:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 03:23:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-23 03:23:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-23 03:23:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-07-23 03:23:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-07-23 03:23:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-07-23 03:23:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-07-23 03:23:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-23 03:23:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-23 03:23:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 03:23:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 03:23:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 03:23:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 03:23:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 03:23:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 03:23:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-07-23 03:23:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-07-23 03:23:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:23:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:23:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-07-23 03:23:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-07-23 03:23:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-07-23 03:23:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-07-23 03:23:57,884 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:23:57,888 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:23:57,956 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:24:34,547 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:24:35,286 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:24:35,299 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:24:35,300 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-07-23 03:24:35,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:24:35 BoogieIcfgContainer [2022-07-23 03:24:35,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:24:35,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:24:35,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:24:35,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:24:35,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:23:51" (1/3) ... [2022-07-23 03:24:35,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1d6bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:24:35, skipping insertion in model container [2022-07-23 03:24:35,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:23:56" (2/3) ... [2022-07-23 03:24:35,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1d6bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:24:35, skipping insertion in model container [2022-07-23 03:24:35,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:24:35" (3/3) ... [2022-07-23 03:24:35,308 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-23 03:24:35,317 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:24:35,317 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 03:24:35,383 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:24:35,388 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@7d72c283, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@63e4a67d [2022-07-23 03:24:35,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 03:24:35,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) [2022-07-23 03:24:35,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-23 03:24:35,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:24:35,435 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:24:35,436 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:24:35,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:24:35,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1793120373, now seen corresponding path program 1 times [2022-07-23 03:24:35,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:24:35,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642732302] [2022-07-23 03:24:35,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:24:35,452 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:24:35,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:24:35,456 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) [2022-07-23 03:24:35,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 03:24:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:38,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 3269 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:24:38,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:24:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-23 03:24:38,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:24:38,361 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:24:38,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642732302] [2022-07-23 03:24:38,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642732302] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:24:38,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:24:38,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:24:38,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814769457] [2022-07-23 03:24:38,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:24:38,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:24:38,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:24:38,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:24:38,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:24:38,396 INFO L87 Difference]: Start difference. First operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) 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, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 03:24:39,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:24:39,493 INFO L93 Difference]: Finished difference Result 8727 states and 12375 transitions. [2022-07-23 03:24:39,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:24:39,495 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, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 228 [2022-07-23 03:24:39,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:24:39,536 INFO L225 Difference]: With dead ends: 8727 [2022-07-23 03:24:39,537 INFO L226 Difference]: Without dead ends: 5561 [2022-07-23 03:24:39,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:24:39,561 INFO L413 NwaCegarLoop]: 5008 mSDtfsCounter, 3567 mSDsluCounter, 4211 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3567 SdHoareTripleChecker+Valid, 9219 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 [2022-07-23 03:24:39,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3567 Valid, 9219 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-23 03:24:39,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5561 states. [2022-07-23 03:24:39,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5561 to 5558. [2022-07-23 03:24:39,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5558 states, 3728 states have (on average 1.2553648068669527) internal successors, (4680), 3797 states have internal predecessors, (4680), 1511 states have call successors, (1511), 318 states have call predecessors, (1511), 318 states have return successors, (1511), 1490 states have call predecessors, (1511), 1511 states have call successors, (1511) [2022-07-23 03:24:39,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5558 states to 5558 states and 7702 transitions. [2022-07-23 03:24:39,837 INFO L78 Accepts]: Start accepts. Automaton has 5558 states and 7702 transitions. Word has length 228 [2022-07-23 03:24:39,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:24:39,838 INFO L495 AbstractCegarLoop]: Abstraction has 5558 states and 7702 transitions. [2022-07-23 03:24:39,839 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, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 03:24:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 5558 states and 7702 transitions. [2022-07-23 03:24:39,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-07-23 03:24:39,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:24:39,851 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:24:39,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 03:24:40,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:24:40,072 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:24:40,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:24:40,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1914200296, now seen corresponding path program 1 times [2022-07-23 03:24:40,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:24:40,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877815950] [2022-07-23 03:24:40,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:24:40,075 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:24:40,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:24:40,078 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) [2022-07-23 03:24:40,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 03:24:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:42,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 3270 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:24:42,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:24:42,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-23 03:24:42,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:24:42,896 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:24:42,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877815950] [2022-07-23 03:24:42,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877815950] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:24:42,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:24:42,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:24:42,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943146128] [2022-07-23 03:24:42,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:24:42,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:24:42,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:24:42,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:24:42,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:24:42,899 INFO L87 Difference]: Start difference. First operand 5558 states and 7702 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 03:24:44,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:24:44,148 INFO L93 Difference]: Finished difference Result 15974 states and 22138 transitions. [2022-07-23 03:24:44,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:24:44,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 229 [2022-07-23 03:24:44,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:24:44,227 INFO L225 Difference]: With dead ends: 15974 [2022-07-23 03:24:44,228 INFO L226 Difference]: Without dead ends: 10453 [2022-07-23 03:24:44,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:24:44,273 INFO L413 NwaCegarLoop]: 6098 mSDtfsCounter, 3869 mSDsluCounter, 4109 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3869 SdHoareTripleChecker+Valid, 10207 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:24:44,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3869 Valid, 10207 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-23 03:24:44,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10453 states. [2022-07-23 03:24:44,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10453 to 10447. [2022-07-23 03:24:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10447 states, 6985 states have (on average 1.2506800286327846) internal successors, (8736), 7118 states have internal predecessors, (8736), 2845 states have call successors, (2845), 616 states have call predecessors, (2845), 616 states have return successors, (2845), 2804 states have call predecessors, (2845), 2845 states have call successors, (2845) [2022-07-23 03:24:44,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10447 states to 10447 states and 14426 transitions. [2022-07-23 03:24:44,825 INFO L78 Accepts]: Start accepts. Automaton has 10447 states and 14426 transitions. Word has length 229 [2022-07-23 03:24:44,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:24:44,827 INFO L495 AbstractCegarLoop]: Abstraction has 10447 states and 14426 transitions. [2022-07-23 03:24:44,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 03:24:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 10447 states and 14426 transitions. [2022-07-23 03:24:44,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-23 03:24:44,834 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:24:44,834 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 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] [2022-07-23 03:24:44,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-23 03:24:45,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:24:45,047 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:24:45,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:24:45,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1195803474, now seen corresponding path program 1 times [2022-07-23 03:24:45,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:24:45,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [636678978] [2022-07-23 03:24:45,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:24:45,051 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:24:45,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:24:45,054 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) [2022-07-23 03:24:45,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 03:24:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:47,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 3326 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:24:47,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:24:47,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2022-07-23 03:24:47,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:24:47,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:24:47,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [636678978] [2022-07-23 03:24:47,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [636678978] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:24:47,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:24:47,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:24:47,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353949975] [2022-07-23 03:24:47,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:24:47,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:24:47,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:24:47,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:24:47,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:24:47,742 INFO L87 Difference]: Start difference. First operand 10447 states and 14426 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 03:24:48,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:24:48,677 INFO L93 Difference]: Finished difference Result 30619 states and 42288 transitions. [2022-07-23 03:24:48,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:24:48,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 256 [2022-07-23 03:24:48,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:24:48,789 INFO L225 Difference]: With dead ends: 30619 [2022-07-23 03:24:48,789 INFO L226 Difference]: Without dead ends: 20209 [2022-07-23 03:24:49,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:24:49,028 INFO L413 NwaCegarLoop]: 6376 mSDtfsCounter, 4026 mSDsluCounter, 4158 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4026 SdHoareTripleChecker+Valid, 10534 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:24:49,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4026 Valid, 10534 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 03:24:49,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20209 states. [2022-07-23 03:24:49,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20209 to 20199. [2022-07-23 03:24:49,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20199 states, 13526 states have (on average 1.2501848292178028) internal successors, (16910), 13794 states have internal predecessors, (16910), 5478 states have call successors, (5478), 1194 states have call predecessors, (5478), 1194 states have return successors, (5478), 5393 states have call predecessors, (5478), 5478 states have call successors, (5478) [2022-07-23 03:24:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20199 states to 20199 states and 27866 transitions. [2022-07-23 03:24:49,666 INFO L78 Accepts]: Start accepts. Automaton has 20199 states and 27866 transitions. Word has length 256 [2022-07-23 03:24:49,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:24:49,666 INFO L495 AbstractCegarLoop]: Abstraction has 20199 states and 27866 transitions. [2022-07-23 03:24:49,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 03:24:49,667 INFO L276 IsEmpty]: Start isEmpty. Operand 20199 states and 27866 transitions. [2022-07-23 03:24:49,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-23 03:24:49,678 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:24:49,678 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 3, 3, 3, 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] [2022-07-23 03:24:49,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 03:24:49,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:24:49,900 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:24:49,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:24:49,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1044379485, now seen corresponding path program 1 times [2022-07-23 03:24:49,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:24:49,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [998963588] [2022-07-23 03:24:49,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:24:49,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:24:49,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:24:49,911 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) [2022-07-23 03:24:49,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 03:24:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:52,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 3354 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:24:52,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:24:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2022-07-23 03:24:52,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:24:52,395 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:24:52,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [998963588] [2022-07-23 03:24:52,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [998963588] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:24:52,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:24:52,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:24:52,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126991014] [2022-07-23 03:24:52,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:24:52,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:24:52,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:24:52,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:24:52,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:24:52,396 INFO L87 Difference]: Start difference. First operand 20199 states and 27866 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-23 03:24:53,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:24:53,313 INFO L93 Difference]: Finished difference Result 42037 states and 57920 transitions. [2022-07-23 03:24:53,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:24:53,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2022-07-23 03:24:53,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:24:53,408 INFO L225 Difference]: With dead ends: 42037 [2022-07-23 03:24:53,408 INFO L226 Difference]: Without dead ends: 21875 [2022-07-23 03:24:53,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:24:53,476 INFO L413 NwaCegarLoop]: 5069 mSDtfsCounter, 2198 mSDsluCounter, 4153 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2198 SdHoareTripleChecker+Valid, 9222 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:24:53,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2198 Valid, 9222 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 03:24:53,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21875 states. [2022-07-23 03:24:54,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21875 to 21873. [2022-07-23 03:24:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21873 states, 14668 states have (on average 1.2488410144532316) internal successors, (18318), 14955 states have internal predecessors, (18318), 5892 states have call successors, (5892), 1312 states have call predecessors, (5892), 1312 states have return successors, (5892), 5804 states have call predecessors, (5892), 5892 states have call successors, (5892) [2022-07-23 03:24:54,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21873 states to 21873 states and 30102 transitions. [2022-07-23 03:24:54,290 INFO L78 Accepts]: Start accepts. Automaton has 21873 states and 30102 transitions. Word has length 276 [2022-07-23 03:24:54,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:24:54,291 INFO L495 AbstractCegarLoop]: Abstraction has 21873 states and 30102 transitions. [2022-07-23 03:24:54,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-23 03:24:54,292 INFO L276 IsEmpty]: Start isEmpty. Operand 21873 states and 30102 transitions. [2022-07-23 03:24:54,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-07-23 03:24:54,302 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:24:54,302 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2022-07-23 03:24:54,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 03:24:54,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:24:54,524 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:24:54,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:24:54,524 INFO L85 PathProgramCache]: Analyzing trace with hash -2024781446, now seen corresponding path program 1 times [2022-07-23 03:24:54,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:24:54,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151121373] [2022-07-23 03:24:54,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:24:54,528 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:24:54,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:24:54,529 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) [2022-07-23 03:24:54,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 03:24:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:56,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 3411 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:24:56,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:24:57,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-23 03:24:57,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:24:57,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:24:57,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151121373] [2022-07-23 03:24:57,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151121373] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:24:57,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:24:57,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:24:57,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845821732] [2022-07-23 03:24:57,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:24:57,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:24:57,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:24:57,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:24:57,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:24:57,550 INFO L87 Difference]: Start difference. First operand 21873 states and 30102 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 03:24:59,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:24:59,112 INFO L93 Difference]: Finished difference Result 50875 states and 70024 transitions. [2022-07-23 03:24:59,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:24:59,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 292 [2022-07-23 03:24:59,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:24:59,228 INFO L225 Difference]: With dead ends: 50875 [2022-07-23 03:24:59,228 INFO L226 Difference]: Without dead ends: 30627 [2022-07-23 03:24:59,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:24:59,289 INFO L413 NwaCegarLoop]: 6430 mSDtfsCounter, 3471 mSDsluCounter, 4132 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3471 SdHoareTripleChecker+Valid, 10562 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 [2022-07-23 03:24:59,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3471 Valid, 10562 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-23 03:24:59,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30627 states. [2022-07-23 03:25:00,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30627 to 30621. [2022-07-23 03:25:00,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30621 states, 20554 states have (on average 1.247834971295125) internal successors, (25648), 20951 states have internal predecessors, (25648), 8214 states have call successors, (8214), 1852 states have call predecessors, (8214), 1852 states have return successors, (8214), 8091 states have call predecessors, (8214), 8214 states have call successors, (8214) [2022-07-23 03:25:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30621 states to 30621 states and 42076 transitions. [2022-07-23 03:25:00,538 INFO L78 Accepts]: Start accepts. Automaton has 30621 states and 42076 transitions. Word has length 292 [2022-07-23 03:25:00,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:25:00,539 INFO L495 AbstractCegarLoop]: Abstraction has 30621 states and 42076 transitions. [2022-07-23 03:25:00,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 03:25:00,539 INFO L276 IsEmpty]: Start isEmpty. Operand 30621 states and 42076 transitions. [2022-07-23 03:25:00,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-23 03:25:00,558 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:25:00,559 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 16, 16, 16, 16, 16, 16, 6, 6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:25:00,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 03:25:00,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:25:00,777 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:25:00,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:25:00,778 INFO L85 PathProgramCache]: Analyzing trace with hash -806780456, now seen corresponding path program 1 times [2022-07-23 03:25:00,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:25:00,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [677973954] [2022-07-23 03:25:00,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:25:00,783 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:25:00,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:25:00,784 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) [2022-07-23 03:25:00,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 03:25:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:03,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 3479 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:25:03,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:25:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 1257 trivial. 0 not checked. [2022-07-23 03:25:03,545 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:25:03,545 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:25:03,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [677973954] [2022-07-23 03:25:03,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [677973954] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:25:03,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:25:03,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:25:03,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427060229] [2022-07-23 03:25:03,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:25:03,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:25:03,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:25:03,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:25:03,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:25:03,547 INFO L87 Difference]: Start difference. First operand 30621 states and 42076 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 03:25:04,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:25:04,960 INFO L93 Difference]: Finished difference Result 88073 states and 121094 transitions. [2022-07-23 03:25:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:25:04,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 332 [2022-07-23 03:25:04,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:25:05,243 INFO L225 Difference]: With dead ends: 88073 [2022-07-23 03:25:05,243 INFO L226 Difference]: Without dead ends: 59077 [2022-07-23 03:25:05,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:25:05,332 INFO L413 NwaCegarLoop]: 7953 mSDtfsCounter, 4088 mSDsluCounter, 4179 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4088 SdHoareTripleChecker+Valid, 12132 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:25:05,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4088 Valid, 12132 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 03:25:05,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59077 states. [2022-07-23 03:25:07,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59077 to 59075. [2022-07-23 03:25:07,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59075 states, 39642 states have (on average 1.2481711316280713) internal successors, (49480), 40397 states have internal predecessors, (49480), 15860 states have call successors, (15860), 3572 states have call predecessors, (15860), 3572 states have return successors, (15860), 15637 states have call predecessors, (15860), 15860 states have call successors, (15860) [2022-07-23 03:25:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59075 states to 59075 states and 81200 transitions. [2022-07-23 03:25:07,743 INFO L78 Accepts]: Start accepts. Automaton has 59075 states and 81200 transitions. Word has length 332 [2022-07-23 03:25:07,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:25:07,743 INFO L495 AbstractCegarLoop]: Abstraction has 59075 states and 81200 transitions. [2022-07-23 03:25:07,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 03:25:07,744 INFO L276 IsEmpty]: Start isEmpty. Operand 59075 states and 81200 transitions. [2022-07-23 03:25:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-23 03:25:07,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:25:07,781 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 16, 16, 16, 16, 16, 16, 6, 6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:25:07,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 03:25:08,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:25:08,004 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:25:08,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:25:08,005 INFO L85 PathProgramCache]: Analyzing trace with hash 794290650, now seen corresponding path program 1 times [2022-07-23 03:25:08,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:25:08,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1020353567] [2022-07-23 03:25:08,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:25:08,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:25:08,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:25:08,020 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) [2022-07-23 03:25:08,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 03:25:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:11,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 3479 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:25:11,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:25:11,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 1257 trivial. 0 not checked. [2022-07-23 03:25:11,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:25:11,181 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:25:11,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1020353567] [2022-07-23 03:25:11,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1020353567] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:25:11,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:25:11,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:25:11,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175507685] [2022-07-23 03:25:11,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:25:11,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:25:11,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:25:11,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:25:11,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:25:11,183 INFO L87 Difference]: Start difference. First operand 59075 states and 81200 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 03:25:13,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:25:13,786 INFO L93 Difference]: Finished difference Result 144993 states and 199354 transitions. [2022-07-23 03:25:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:25:13,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 332 [2022-07-23 03:25:13,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:25:14,138 INFO L225 Difference]: With dead ends: 144993 [2022-07-23 03:25:14,139 INFO L226 Difference]: Without dead ends: 87459 [2022-07-23 03:25:14,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:25:14,302 INFO L413 NwaCegarLoop]: 8102 mSDtfsCounter, 4083 mSDsluCounter, 4184 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4083 SdHoareTripleChecker+Valid, 12286 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:25:14,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4083 Valid, 12286 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 03:25:14,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87459 states. [2022-07-23 03:25:17,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87459 to 87457. [2022-07-23 03:25:17,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87457 states, 58658 states have (on average 1.248388966551877) internal successors, (73228), 59771 states have internal predecessors, (73228), 23506 states have call successors, (23506), 5292 states have call predecessors, (23506), 5292 states have return successors, (23506), 23183 states have call predecessors, (23506), 23506 states have call successors, (23506) [2022-07-23 03:25:17,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87457 states to 87457 states and 120240 transitions. [2022-07-23 03:25:17,650 INFO L78 Accepts]: Start accepts. Automaton has 87457 states and 120240 transitions. Word has length 332 [2022-07-23 03:25:17,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:25:17,651 INFO L495 AbstractCegarLoop]: Abstraction has 87457 states and 120240 transitions. [2022-07-23 03:25:17,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 03:25:17,652 INFO L276 IsEmpty]: Start isEmpty. Operand 87457 states and 120240 transitions. [2022-07-23 03:25:17,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-23 03:25:17,686 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:25:17,686 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 16, 16, 16, 16, 16, 16, 7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:25:17,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 03:25:17,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:25:17,908 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:25:17,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:25:17,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1427563624, now seen corresponding path program 1 times [2022-07-23 03:25:17,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:25:17,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130333820] [2022-07-23 03:25:17,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:25:17,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:25:17,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:25:17,913 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) [2022-07-23 03:25:18,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 03:25:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:20,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 3515 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-23 03:25:20,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:25:22,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 384 proven. 3 refuted. 0 times theorem prover too weak. 1213 trivial. 0 not checked. [2022-07-23 03:25:22,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 03:25:25,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2022-07-23 03:25:25,271 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:25:25,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130333820] [2022-07-23 03:25:25,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [130333820] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 03:25:25,272 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 03:25:25,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-23 03:25:25,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909288696] [2022-07-23 03:25:25,272 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 03:25:25,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-23 03:25:25,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:25:25,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-23 03:25:25,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-23 03:25:25,275 INFO L87 Difference]: Start difference. First operand 87457 states and 120240 transitions. Second operand has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 20 states have internal predecessors, (156), 6 states have call successors, (53), 3 states have call predecessors, (53), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) [2022-07-23 03:26:35,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:26:35,462 INFO L93 Difference]: Finished difference Result 230279 states and 316590 transitions. [2022-07-23 03:26:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-23 03:26:35,463 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 20 states have internal predecessors, (156), 6 states have call successors, (53), 3 states have call predecessors, (53), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) Word has length 356 [2022-07-23 03:26:35,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:26:36,758 INFO L225 Difference]: With dead ends: 230279 [2022-07-23 03:26:36,759 INFO L226 Difference]: Without dead ends: 144363 [2022-07-23 03:26:37,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 691 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2022-07-23 03:26:37,291 INFO L413 NwaCegarLoop]: 8561 mSDtfsCounter, 13281 mSDsluCounter, 112545 mSDsCounter, 0 mSdLazyCounter, 8842 mSolverCounterSat, 2564 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13605 SdHoareTripleChecker+Valid, 121106 SdHoareTripleChecker+Invalid, 11406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 2564 IncrementalHoareTripleChecker+Valid, 8842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:26:37,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13605 Valid, 121106 Invalid, 11406 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [2564 Valid, 8842 Invalid, 0 Unknown, 0 Unchecked, 62.4s Time] [2022-07-23 03:26:37,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144363 states. [2022-07-23 03:26:41,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144363 to 87593. [2022-07-23 03:26:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87593 states, 58754 states have (on average 1.24805119651428) internal successors, (73328), 59867 states have internal predecessors, (73328), 23518 states have call successors, (23518), 5320 states have call predecessors, (23518), 5320 states have return successors, (23518), 23195 states have call predecessors, (23518), 23518 states have call successors, (23518) [2022-07-23 03:26:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87593 states to 87593 states and 120364 transitions. [2022-07-23 03:26:42,152 INFO L78 Accepts]: Start accepts. Automaton has 87593 states and 120364 transitions. Word has length 356 [2022-07-23 03:26:42,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:26:42,157 INFO L495 AbstractCegarLoop]: Abstraction has 87593 states and 120364 transitions. [2022-07-23 03:26:42,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 20 states have internal predecessors, (156), 6 states have call successors, (53), 3 states have call predecessors, (53), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) [2022-07-23 03:26:42,158 INFO L276 IsEmpty]: Start isEmpty. Operand 87593 states and 120364 transitions. [2022-07-23 03:26:42,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-23 03:26:42,190 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:26:42,191 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:26:42,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 03:26:42,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:26:42,420 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:26:42,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:26:42,421 INFO L85 PathProgramCache]: Analyzing trace with hash -758039221, now seen corresponding path program 1 times [2022-07-23 03:26:42,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:26:42,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65937019] [2022-07-23 03:26:42,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:26:42,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:26:42,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:26:42,428 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:26:42,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-23 03:26:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:26:44,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 3552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:26:44,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:26:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-23 03:26:45,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:26:45,175 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:26:45,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65937019] [2022-07-23 03:26:45,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65937019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:26:45,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:26:45,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:26:45,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626923414] [2022-07-23 03:26:45,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:26:45,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:26:45,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:26:45,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:26:45,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:26:45,176 INFO L87 Difference]: Start difference. First operand 87593 states and 120364 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 03:26:49,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:26:49,085 INFO L93 Difference]: Finished difference Result 199423 states and 274040 transitions. [2022-07-23 03:26:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:26:49,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 367 [2022-07-23 03:26:49,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:26:49,864 INFO L225 Difference]: With dead ends: 199423 [2022-07-23 03:26:49,864 INFO L226 Difference]: Without dead ends: 113455 [2022-07-23 03:26:50,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:26:50,174 INFO L413 NwaCegarLoop]: 7687 mSDtfsCounter, 3483 mSDsluCounter, 4139 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3483 SdHoareTripleChecker+Valid, 11826 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 03:26:50,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3483 Valid, 11826 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 03:26:50,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113455 states. [2022-07-23 03:26:54,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113455 to 113449. [2022-07-23 03:26:54,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113449 states, 76136 states have (on average 1.2475307344751498) internal successors, (94982), 77563 states have internal predecessors, (94982), 30388 states have call successors, (30388), 6924 states have call predecessors, (30388), 6924 states have return successors, (30388), 29976 states have call predecessors, (30388), 30388 states have call successors, (30388) [2022-07-23 03:26:54,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113449 states to 113449 states and 155758 transitions. [2022-07-23 03:26:54,694 INFO L78 Accepts]: Start accepts. Automaton has 113449 states and 155758 transitions. Word has length 367 [2022-07-23 03:26:54,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:26:54,695 INFO L495 AbstractCegarLoop]: Abstraction has 113449 states and 155758 transitions. [2022-07-23 03:26:54,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 03:26:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 113449 states and 155758 transitions. [2022-07-23 03:26:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-23 03:26:55,020 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:26:55,020 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:26:55,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-23 03:26:55,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:26:55,221 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:26:55,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:26:55,221 INFO L85 PathProgramCache]: Analyzing trace with hash -773557939, now seen corresponding path program 1 times [2022-07-23 03:26:55,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:26:55,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746580162] [2022-07-23 03:26:55,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:26:55,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:26:55,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:26:55,233 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:26:55,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-23 03:26:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:26:57,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 3552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:26:57,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:26:57,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-23 03:26:57,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:26:57,835 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:26:57,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746580162] [2022-07-23 03:26:57,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746580162] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:26:57,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:26:57,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:26:57,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920476068] [2022-07-23 03:26:57,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:26:57,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:26:57,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:26:57,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:26:57,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:26:57,837 INFO L87 Difference]: Start difference. First operand 113449 states and 155758 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 03:27:02,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:27:02,689 INFO L93 Difference]: Finished difference Result 252728 states and 346958 transitions. [2022-07-23 03:27:02,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:27:02,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 367 [2022-07-23 03:27:02,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:27:03,758 INFO L225 Difference]: With dead ends: 252728 [2022-07-23 03:27:03,759 INFO L226 Difference]: Without dead ends: 140904 [2022-07-23 03:27:04,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:27:04,229 INFO L413 NwaCegarLoop]: 7728 mSDtfsCounter, 3939 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3939 SdHoareTripleChecker+Valid, 11470 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 03:27:04,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3939 Valid, 11470 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 03:27:04,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140904 states. [2022-07-23 03:27:09,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140904 to 140898. [2022-07-23 03:27:09,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140898 states, 94484 states have (on average 1.2462639177003514) internal successors, (117752), 96255 states have internal predecessors, (117752), 37747 states have call successors, (37747), 8666 states have call predecessors, (37747), 8666 states have return successors, (37747), 37231 states have call predecessors, (37747), 37747 states have call successors, (37747) [2022-07-23 03:27:10,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140898 states to 140898 states and 193246 transitions. [2022-07-23 03:27:10,229 INFO L78 Accepts]: Start accepts. Automaton has 140898 states and 193246 transitions. Word has length 367 [2022-07-23 03:27:10,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:27:10,230 INFO L495 AbstractCegarLoop]: Abstraction has 140898 states and 193246 transitions. [2022-07-23 03:27:10,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 03:27:10,231 INFO L276 IsEmpty]: Start isEmpty. Operand 140898 states and 193246 transitions. [2022-07-23 03:27:10,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-23 03:27:10,251 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:27:10,251 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 16, 16, 16, 16, 16, 16, 8, 8, 8, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:27:10,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-07-23 03:27:10,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:27:10,461 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:27:10,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:27:10,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1167934754, now seen corresponding path program 1 times [2022-07-23 03:27:10,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:27:10,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849122224] [2022-07-23 03:27:10,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:27:10,466 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:27:10,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:27:10,467 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:27:10,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-23 03:27:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:27:13,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 3532 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:27:13,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:27:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1628 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 1411 trivial. 0 not checked. [2022-07-23 03:27:13,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:27:13,262 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:27:13,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849122224] [2022-07-23 03:27:13,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849122224] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:27:13,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:27:13,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:27:13,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706214885] [2022-07-23 03:27:13,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:27:13,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:27:13,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:27:13,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:27:13,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:27:13,263 INFO L87 Difference]: Start difference. First operand 140898 states and 193246 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36)