./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-3598765 [2022-07-21 14:40:01,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:40:01,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:40:01,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:40:01,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:40:01,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:40:01,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:40:01,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:40:01,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:40:01,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:40:01,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:40:01,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:40:01,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:40:01,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:40:01,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:40:01,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:40:01,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:40:01,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:40:01,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:40:01,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:40:01,349 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:40:01,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:40:01,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:40:01,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:40:01,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:40:01,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:40:01,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:40:01,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:40:01,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:40:01,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:40:01,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:40:01,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:40:01,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:40:01,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:40:01,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:40:01,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:40:01,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:40:01,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:40:01,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:40:01,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:40:01,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:40:01,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:40:01,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:40:01,386 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:40:01,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:40:01,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:40:01,387 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:40:01,387 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:40:01,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:40:01,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:40:01,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:40:01,388 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:40:01,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:40:01,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:40:01,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:40:01,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:40:01,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:40:01,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:40:01,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:40:01,390 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:40:01,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:40:01,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:40:01,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:40:01,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:40:01,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:40:01,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:40:01,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:40:01,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:40:01,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:40:01,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:40:01,392 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:40:01,392 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:40:01,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:40:01,392 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2022-07-21 14:40:01,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:40:01,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:40:01,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:40:01,677 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:40:01,677 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:40:01,678 INFO L432 ainManager$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 [2022-07-21 14:40:01,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf1b285e/aed50ba2f4fe4fb38fb30e1fbe030fe9/FLAG4de70b94a [2022-07-21 14:40:02,486 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:40:02,487 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 [2022-07-21 14:40:02,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf1b285e/aed50ba2f4fe4fb38fb30e1fbe030fe9/FLAG4de70b94a [2022-07-21 14:40:02,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf1b285e/aed50ba2f4fe4fb38fb30e1fbe030fe9 [2022-07-21 14:40:02,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:40:02,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:40:02,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:40:02,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:40:02,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:40:02,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:40:02" (1/1) ... [2022-07-21 14:40:02,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cafbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:02, skipping insertion in model container [2022-07-21 14:40:02,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:40:02" (1/1) ... [2022-07-21 14:40:02,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:40:02,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:40:06,985 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] [2022-07-21 14:40:06,987 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] [2022-07-21 14:40:07,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:40:07,049 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:40:07,290 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) [2022-07-21 14:40:07,298 INFO L158 Benchmark]: Toolchain (without parser) took 4534.34ms. Allocated memory was 65.0MB in the beginning and 176.2MB in the end (delta: 111.1MB). Free memory was 39.7MB in the beginning and 75.9MB in the end (delta: -36.2MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. [2022-07-21 14:40:07,299 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 47.6MB in the beginning and 47.5MB in the end (delta: 49.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 14:40:07,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4532.87ms. Allocated memory was 65.0MB in the beginning and 176.2MB in the end (delta: 111.1MB). Free memory was 39.5MB in the beginning and 75.9MB in the end (delta: -36.4MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. [2022-07-21 14:40:07,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 47.6MB in the beginning and 47.5MB in the end (delta: 49.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4532.87ms. Allocated memory was 65.0MB in the beginning and 176.2MB in the end (delta: 111.1MB). Free memory was 39.5MB in the beginning and 75.9MB in the end (delta: -36.4MB). Peak memory consumption was 100.2MB. 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-?-3598765 [2022-07-21 14:40:08,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:40:08,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:40:08,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:40:08,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:40:08,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:40:08,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:40:08,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:40:08,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:40:08,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:40:08,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:40:08,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:40:08,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:40:08,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:40:08,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:40:08,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:40:08,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:40:08,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:40:08,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:40:08,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:40:08,848 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:40:08,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:40:08,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:40:08,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:40:08,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:40:08,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:40:08,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:40:08,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:40:08,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:40:08,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:40:08,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:40:08,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:40:08,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:40:08,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:40:08,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:40:08,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:40:08,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:40:08,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:40:08,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:40:08,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:40:08,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:40:08,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:40:08,873 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 14:40:08,899 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:40:08,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:40:08,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:40:08,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:40:08,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:40:08,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:40:08,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:40:08,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:40:08,901 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:40:08,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:40:08,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:40:08,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:40:08,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:40:08,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:40:08,903 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 14:40:08,903 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 14:40:08,903 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 14:40:08,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:40:08,904 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:40:08,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:40:08,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:40:08,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:40:08,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:40:08,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:40:08,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:40:08,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:40:08,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:40:08,905 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 14:40:08,905 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 14:40:08,905 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:40:08,906 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:40:08,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:40:08,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 14:40:08,906 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2022-07-21 14:40:09,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:40:09,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:40:09,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:40:09,197 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:40:09,198 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:40:09,199 INFO L432 ainManager$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 [2022-07-21 14:40:09,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbfc02959/1cda4726feea4de98e7c8640a5cd70ed/FLAG897e6c2e3 [2022-07-21 14:40:09,985 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:40:09,986 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 [2022-07-21 14:40:10,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbfc02959/1cda4726feea4de98e7c8640a5cd70ed/FLAG897e6c2e3 [2022-07-21 14:40:10,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbfc02959/1cda4726feea4de98e7c8640a5cd70ed [2022-07-21 14:40:10,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:40:10,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:40:10,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:40:10,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:40:10,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:40:10,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:40:10" (1/1) ... [2022-07-21 14:40:10,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4abbfc68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:10, skipping insertion in model container [2022-07-21 14:40:10,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:40:10" (1/1) ... [2022-07-21 14:40:10,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:40:10,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:40:13,807 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] [2022-07-21 14:40:13,810 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] [2022-07-21 14:40:13,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:40:13,899 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 14:40:13,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:40:14,248 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] [2022-07-21 14:40:14,249 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] [2022-07-21 14:40:14,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:40:14,279 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:40:14,561 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] [2022-07-21 14:40:14,562 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] [2022-07-21 14:40:14,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:40:14,770 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:40:14,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:14 WrapperNode [2022-07-21 14:40:14,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:40:14,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:40:14,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:40:14,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:40:14,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:14" (1/1) ... [2022-07-21 14:40:14,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:14" (1/1) ... [2022-07-21 14:40:15,070 INFO L137 Inliner]: procedures = 681, calls = 4451, calls flagged for inlining = 327, calls inlined = 292, statements flattened = 8269 [2022-07-21 14:40:15,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:40:15,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:40:15,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:40:15,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:40:15,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:14" (1/1) ... [2022-07-21 14:40:15,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:14" (1/1) ... [2022-07-21 14:40:15,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:14" (1/1) ... [2022-07-21 14:40:15,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:14" (1/1) ... [2022-07-21 14:40:15,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:14" (1/1) ... [2022-07-21 14:40:15,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:14" (1/1) ... [2022-07-21 14:40:15,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:14" (1/1) ... [2022-07-21 14:40:15,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:40:15,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:40:15,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:40:15,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:40:15,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:14" (1/1) ... [2022-07-21 14:40:15,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:40:15,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:40:15,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 14:40:15,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 14:40:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-21 14:40:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-21 14:40:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:40:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:40:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-21 14:40:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-21 14:40:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:40:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:40:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-07-21 14:40:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-07-21 14:40:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-07-21 14:40:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-07-21 14:40:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-07-21 14:40:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-07-21 14:40:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-07-21 14:40:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-07-21 14:40:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-07-21 14:40:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-07-21 14:40:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 14:40:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 14:40:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-07-21 14:40:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-07-21 14:40:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 14:40:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 14:40:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 14:40:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 14:40:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-07-21 14:40:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-07-21 14:40:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-07-21 14:40:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-07-21 14:40:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-07-21 14:40:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-07-21 14:40:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 14:40:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 14:40:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-07-21 14:40:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-07-21 14:40:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 14:40:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 14:40:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-07-21 14:40:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-07-21 14:40:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 14:40:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 14:40:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:40:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:40:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 14:40:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 14:40:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:40:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:40:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-07-21 14:40:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-07-21 14:40:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-07-21 14:40:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-07-21 14:40:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:40:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:40:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-07-21 14:40:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-07-21 14:40:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-21 14:40:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-21 14:40:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:40:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 14:40:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 14:40:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-07-21 14:40:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-07-21 14:40:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 14:40:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 14:40:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 14:40:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 14:40:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 14:40:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-21 14:40:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-21 14:40:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-07-21 14:40:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-07-21 14:40:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-21 14:40:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-07-21 14:40:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-07-21 14:40:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:40:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:40:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 14:40:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 14:40:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-07-21 14:40:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-07-21 14:40:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-07-21 14:40:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-07-21 14:40:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-07-21 14:40:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-07-21 14:40:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:40:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:40:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-07-21 14:40:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-07-21 14:40:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 14:40:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 14:40:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-07-21 14:40:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-07-21 14:40:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:40:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:40:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:40:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:40:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:40:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:40:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-21 14:40:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-21 14:40:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:40:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:40:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 14:40:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 14:40:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-07-21 14:40:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-07-21 14:40:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-07-21 14:40:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-07-21 14:40:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:40:15,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:40:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:40:15,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:40:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 14:40:15,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 14:40:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-07-21 14:40:15,404 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-07-21 14:40:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-07-21 14:40:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-07-21 14:40:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 14:40:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 14:40:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:40:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 14:40:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 14:40:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-21 14:40:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-07-21 14:40:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 14:40:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 14:40:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-21 14:40:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-21 14:40:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-07-21 14:40:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-07-21 14:40:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 14:40:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 14:40:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-07-21 14:40:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-07-21 14:40:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:40:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 14:40:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 14:40:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:40:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:40:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:40:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:40:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:40:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 14:40:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-07-21 14:40:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-07-21 14:40:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 14:40:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-07-21 14:40:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-07-21 14:40:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 14:40:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-07-21 14:40:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-07-21 14:40:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:40:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:40:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 14:40:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:40:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:40:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-21 14:40:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-21 14:40:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 14:40:15,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 14:40:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-07-21 14:40:15,410 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-07-21 14:40:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-07-21 14:40:15,410 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-07-21 14:40:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-07-21 14:40:15,410 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-07-21 14:40:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-07-21 14:40:15,411 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-07-21 14:40:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-07-21 14:40:15,411 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-07-21 14:40:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 14:40:15,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 14:40:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 14:40:15,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 14:40:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 14:40:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 14:40:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:40:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:40:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-07-21 14:40:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-07-21 14:40:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:40:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:40:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-07-21 14:40:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-07-21 14:40:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-07-21 14:40:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-07-21 14:40:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 14:40:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 14:40:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 14:40:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-07-21 14:40:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-07-21 14:40:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:40:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:40:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 14:40:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 14:40:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-07-21 14:40:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-07-21 14:40:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 14:40:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 14:40:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 14:40:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:40:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 14:40:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:40:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:40:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:40:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-21 14:40:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-21 14:40:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 14:40:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 14:40:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 14:40:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 14:40:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-21 14:40:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-07-21 14:40:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-07-21 14:40:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-21 14:40:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-21 14:40:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 14:40:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 14:40:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-07-21 14:40:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-07-21 14:40:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 14:40:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 14:40:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-21 14:40:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-21 14:40:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-07-21 14:40:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-07-21 14:40:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:40:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:40:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-07-21 14:40:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-07-21 14:40:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-07-21 14:40:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-07-21 14:40:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-21 14:40:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-21 14:40:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 14:40:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 14:40:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-21 14:40:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-21 14:40:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-21 14:40:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-21 14:40:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-21 14:40:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-21 14:40:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 14:40:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 14:40:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:40:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 14:40:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 14:40:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-07-21 14:40:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-07-21 14:40:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-07-21 14:40:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-07-21 14:40:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 14:40:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 14:40:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-07-21 14:40:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-07-21 14:40:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 14:40:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 14:40:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:40:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-21 14:40:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-21 14:40:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2022-07-21 14:40:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2022-07-21 14:40:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 14:40:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 14:40:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 14:40:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 14:40:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:40:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-07-21 14:40:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-07-21 14:40:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-21 14:40:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-21 14:40:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-07-21 14:40:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-07-21 14:40:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 14:40:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 14:40:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 14:40:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 14:40:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:40:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:40:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-21 14:40:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-21 14:40:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:40:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:40:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 14:40:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 14:40:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-21 14:40:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-21 14:40:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 14:40:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 14:40:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-21 14:40:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-21 14:40:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2022-07-21 14:40:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2022-07-21 14:40:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 14:40:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 14:40:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:40:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:40:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:40:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:40:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-07-21 14:40:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-07-21 14:40:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 14:40:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 14:40:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-07-21 14:40:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-07-21 14:40:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:40:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:40:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-07-21 14:40:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-07-21 14:40:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 14:40:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 14:40:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 14:40:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 14:40:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:40:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:40:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-07-21 14:40:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-07-21 14:40:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-07-21 14:40:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-07-21 14:40:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-07-21 14:40:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-07-21 14:40:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-07-21 14:40:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-07-21 14:40:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-07-21 14:40:15,429 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-07-21 14:40:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 14:40:15,429 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 14:40:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-07-21 14:40:15,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-07-21 14:40:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 14:40:15,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 14:40:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-21 14:40:15,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-21 14:40:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-07-21 14:40:15,430 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-07-21 14:40:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-07-21 14:40:15,430 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-07-21 14:40:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-07-21 14:40:15,430 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-07-21 14:40:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-07-21 14:40:15,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-07-21 14:40:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-07-21 14:40:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-07-21 14:40:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-21 14:40:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-21 14:40:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-21 14:40:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-21 14:40:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:40:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:40:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 14:40:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 14:40:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-21 14:40:15,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-21 14:40:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-07-21 14:40:15,432 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-07-21 14:40:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-07-21 14:40:15,432 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-07-21 14:40:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-21 14:40:15,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-21 14:40:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 14:40:15,433 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 14:40:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 14:40:15,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 14:40:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 14:40:15,433 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 14:40:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-07-21 14:40:15,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-07-21 14:40:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:40:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:40:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-07-21 14:40:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-07-21 14:40:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-07-21 14:40:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-07-21 14:40:16,228 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:40:16,233 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:40:16,292 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:40:52,599 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:40:53,244 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:40:53,263 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:40:53,263 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-07-21 14:40:53,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:40:53 BoogieIcfgContainer [2022-07-21 14:40:53,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:40:53,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:40:53,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:40:53,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:40:53,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:40:10" (1/3) ... [2022-07-21 14:40:53,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11665b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:40:53, skipping insertion in model container [2022-07-21 14:40:53,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:40:14" (2/3) ... [2022-07-21 14:40:53,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11665b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:40:53, skipping insertion in model container [2022-07-21 14:40:53,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:40:53" (3/3) ... [2022-07-21 14:40:53,275 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-21 14:40:53,284 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:40:53,284 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 14:40:53,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:40:53,385 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@4e05ed45, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@54bdbf2 [2022-07-21 14:40:53,385 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 14:40:53,396 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) [2022-07-21 14:40:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-21 14:40:53,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:40:53,429 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] [2022-07-21 14:40:53,430 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:40:53,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:40:53,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1793120373, now seen corresponding path program 1 times [2022-07-21 14:40:53,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:40:53,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [27110965] [2022-07-21 14:40:53,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:40:53,449 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:40:53,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:40:53,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:40:53,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 14:40:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:55,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 3269 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:40:55,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:40:55,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-21 14:40:55,984 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:40:55,985 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:40:55,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [27110965] [2022-07-21 14:40:55,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [27110965] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:40:55,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:40:55,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:40:55,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697069309] [2022-07-21 14:40:55,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:40:55,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:40:55,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:40:56,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:40:56,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:40:56,012 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) [2022-07-21 14:40:56,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:40:56,957 INFO L93 Difference]: Finished difference Result 8727 states and 12375 transitions. [2022-07-21 14:40:56,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:40:56,960 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 [2022-07-21 14:40:56,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:40:56,996 INFO L225 Difference]: With dead ends: 8727 [2022-07-21 14:40:56,997 INFO L226 Difference]: Without dead ends: 5561 [2022-07-21 14:40:57,016 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 [2022-07-21 14:40:57,018 INFO L413 NwaCegarLoop]: 5008 mSDtfsCounter, 3567 mSDsluCounter, 4211 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 14:40:57,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3567 Valid, 9219 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 14:40:57,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5561 states. [2022-07-21 14:40:57,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5561 to 5558. [2022-07-21 14:40:57,278 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) [2022-07-21 14:40:57,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5558 states to 5558 states and 7702 transitions. [2022-07-21 14:40:57,318 INFO L78 Accepts]: Start accepts. Automaton has 5558 states and 7702 transitions. Word has length 228 [2022-07-21 14:40:57,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:40:57,321 INFO L495 AbstractCegarLoop]: Abstraction has 5558 states and 7702 transitions. [2022-07-21 14:40:57,321 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) [2022-07-21 14:40:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand 5558 states and 7702 transitions. [2022-07-21 14:40:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-07-21 14:40:57,329 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:40:57,330 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] [2022-07-21 14:40:57,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 14:40:57,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:40:57,552 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:40:57,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:40:57,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1914200296, now seen corresponding path program 1 times [2022-07-21 14:40:57,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:40:57,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979927002] [2022-07-21 14:40:57,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:40:57,557 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:40:57,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:40:57,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:40:57,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 14:40:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:59,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 3270 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:40:59,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:41:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-21 14:41:00,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:41:00,161 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:41:00,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979927002] [2022-07-21 14:41:00,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1979927002] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:41:00,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:41:00,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:41:00,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014565902] [2022-07-21 14:41:00,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:41:00,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:41:00,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:41:00,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:41:00,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:41:00,164 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) [2022-07-21 14:41:01,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:41:01,338 INFO L93 Difference]: Finished difference Result 15974 states and 22138 transitions. [2022-07-21 14:41:01,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:41:01,339 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 [2022-07-21 14:41:01,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:41:01,409 INFO L225 Difference]: With dead ends: 15974 [2022-07-21 14:41:01,409 INFO L226 Difference]: Without dead ends: 10453 [2022-07-21 14:41:01,440 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 [2022-07-21 14:41:01,441 INFO L413 NwaCegarLoop]: 6098 mSDtfsCounter, 3869 mSDsluCounter, 4109 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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 [2022-07-21 14:41:01,442 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] [2022-07-21 14:41:01,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10453 states. [2022-07-21 14:41:01,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10453 to 10447. [2022-07-21 14:41:01,855 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) [2022-07-21 14:41:01,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10447 states to 10447 states and 14426 transitions. [2022-07-21 14:41:01,898 INFO L78 Accepts]: Start accepts. Automaton has 10447 states and 14426 transitions. Word has length 229 [2022-07-21 14:41:01,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:41:01,900 INFO L495 AbstractCegarLoop]: Abstraction has 10447 states and 14426 transitions. [2022-07-21 14:41:01,901 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) [2022-07-21 14:41:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 10447 states and 14426 transitions. [2022-07-21 14:41:01,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-21 14:41:01,907 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:41:01,907 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] [2022-07-21 14:41:01,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 14:41:02,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:41:02,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:41:02,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:41:02,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1195803474, now seen corresponding path program 1 times [2022-07-21 14:41:02,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:41:02,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957889496] [2022-07-21 14:41:02,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:41:02,124 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:41:02,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:41:02,125 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:41:02,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 14:41:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:04,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 3326 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:41:04,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:41:04,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2022-07-21 14:41:04,483 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:41:04,484 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:41:04,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957889496] [2022-07-21 14:41:04,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957889496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:41:04,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:41:04,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:41:04,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272334515] [2022-07-21 14:41:04,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:41:04,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:41:04,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:41:04,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:41:04,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:41:04,486 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) [2022-07-21 14:41:05,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:41:05,477 INFO L93 Difference]: Finished difference Result 30619 states and 42288 transitions. [2022-07-21 14:41:05,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:41:05,478 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 [2022-07-21 14:41:05,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:41:05,585 INFO L225 Difference]: With dead ends: 30619 [2022-07-21 14:41:05,585 INFO L226 Difference]: Without dead ends: 20209 [2022-07-21 14:41:05,630 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 [2022-07-21 14:41:05,634 INFO L413 NwaCegarLoop]: 6376 mSDtfsCounter, 4026 mSDsluCounter, 4158 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-07-21 14:41:05,635 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] [2022-07-21 14:41:05,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20209 states. [2022-07-21 14:41:06,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20209 to 20199. [2022-07-21 14:41:06,368 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) [2022-07-21 14:41:06,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20199 states to 20199 states and 27866 transitions. [2022-07-21 14:41:06,454 INFO L78 Accepts]: Start accepts. Automaton has 20199 states and 27866 transitions. Word has length 256 [2022-07-21 14:41:06,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:41:06,455 INFO L495 AbstractCegarLoop]: Abstraction has 20199 states and 27866 transitions. [2022-07-21 14:41:06,455 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) [2022-07-21 14:41:06,455 INFO L276 IsEmpty]: Start isEmpty. Operand 20199 states and 27866 transitions. [2022-07-21 14:41:06,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-21 14:41:06,465 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:41:06,465 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] [2022-07-21 14:41:06,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 14:41:06,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:41:06,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:41:06,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:41:06,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1044379485, now seen corresponding path program 1 times [2022-07-21 14:41:06,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:41:06,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305661410] [2022-07-21 14:41:06,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:41:06,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:41:06,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:41:06,698 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:41:06,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 14:41:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:09,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 3354 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:41:09,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:41:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2022-07-21 14:41:09,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:41:09,175 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:41:09,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305661410] [2022-07-21 14:41:09,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305661410] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:41:09,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:41:09,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:41:09,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394472269] [2022-07-21 14:41:09,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:41:09,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:41:09,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:41:09,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:41:09,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:41:09,176 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) [2022-07-21 14:41:10,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:41:10,088 INFO L93 Difference]: Finished difference Result 42037 states and 57920 transitions. [2022-07-21 14:41:10,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:41:10,088 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 [2022-07-21 14:41:10,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:41:10,186 INFO L225 Difference]: With dead ends: 42037 [2022-07-21 14:41:10,186 INFO L226 Difference]: Without dead ends: 21875 [2022-07-21 14:41:10,252 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 [2022-07-21 14:41:10,254 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 [2022-07-21 14:41:10,255 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] [2022-07-21 14:41:10,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21875 states. [2022-07-21 14:41:10,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21875 to 21873. [2022-07-21 14:41:10,939 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) [2022-07-21 14:41:11,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21873 states to 21873 states and 30102 transitions. [2022-07-21 14:41:11,030 INFO L78 Accepts]: Start accepts. Automaton has 21873 states and 30102 transitions. Word has length 276 [2022-07-21 14:41:11,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:41:11,031 INFO L495 AbstractCegarLoop]: Abstraction has 21873 states and 30102 transitions. [2022-07-21 14:41:11,032 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) [2022-07-21 14:41:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 21873 states and 30102 transitions. [2022-07-21 14:41:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-07-21 14:41:11,043 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:41:11,043 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] [2022-07-21 14:41:11,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 14:41:11,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:41:11,267 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:41:11,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:41:11,268 INFO L85 PathProgramCache]: Analyzing trace with hash -2024781446, now seen corresponding path program 1 times [2022-07-21 14:41:11,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:41:11,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328999552] [2022-07-21 14:41:11,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:41:11,271 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:41:11,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:41:11,273 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:41:11,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 14:41:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:13,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 3411 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:41:13,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:41:13,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-21 14:41:13,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:41:13,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:41:13,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328999552] [2022-07-21 14:41:13,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1328999552] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:41:13,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:41:13,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:41:13,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590042217] [2022-07-21 14:41:13,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:41:13,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:41:13,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:41:13,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:41:13,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:41:13,919 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) [2022-07-21 14:41:15,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:41:15,096 INFO L93 Difference]: Finished difference Result 50875 states and 70024 transitions. [2022-07-21 14:41:15,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:41:15,097 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 [2022-07-21 14:41:15,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:41:15,233 INFO L225 Difference]: With dead ends: 50875 [2022-07-21 14:41:15,233 INFO L226 Difference]: Without dead ends: 30627 [2022-07-21 14:41:15,417 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 [2022-07-21 14:41:15,418 INFO L413 NwaCegarLoop]: 6430 mSDtfsCounter, 3471 mSDsluCounter, 4132 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:41:15,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3471 Valid, 10562 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 14:41:15,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30627 states. [2022-07-21 14:41:16,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30627 to 30621. [2022-07-21 14:41:16,344 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) [2022-07-21 14:41:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30621 states to 30621 states and 42076 transitions. [2022-07-21 14:41:16,464 INFO L78 Accepts]: Start accepts. Automaton has 30621 states and 42076 transitions. Word has length 292 [2022-07-21 14:41:16,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:41:16,465 INFO L495 AbstractCegarLoop]: Abstraction has 30621 states and 42076 transitions. [2022-07-21 14:41:16,465 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) [2022-07-21 14:41:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 30621 states and 42076 transitions. [2022-07-21 14:41:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-21 14:41:16,485 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:41:16,486 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] [2022-07-21 14:41:16,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 14:41:16,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:41:16,708 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:41:16,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:41:16,708 INFO L85 PathProgramCache]: Analyzing trace with hash -806780456, now seen corresponding path program 1 times [2022-07-21 14:41:16,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:41:16,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123576725] [2022-07-21 14:41:16,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:41:16,711 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:41:16,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:41:16,712 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:41:16,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 14:41:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:19,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 3479 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:41:19,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:41:19,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 1257 trivial. 0 not checked. [2022-07-21 14:41:19,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:41:19,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:41:19,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123576725] [2022-07-21 14:41:19,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123576725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:41:19,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:41:19,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:41:19,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683401592] [2022-07-21 14:41:19,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:41:19,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:41:19,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:41:19,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:41:19,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:41:19,329 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) [2022-07-21 14:41:20,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:41:20,680 INFO L93 Difference]: Finished difference Result 88073 states and 121094 transitions. [2022-07-21 14:41:20,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:41:20,681 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 [2022-07-21 14:41:20,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:41:20,990 INFO L225 Difference]: With dead ends: 88073 [2022-07-21 14:41:20,990 INFO L226 Difference]: Without dead ends: 59077 [2022-07-21 14:41:21,079 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 [2022-07-21 14:41:21,080 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:41:21,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4088 Valid, 12132 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 14:41:21,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59077 states. [2022-07-21 14:41:22,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59077 to 59075. [2022-07-21 14:41:22,913 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) [2022-07-21 14:41:23,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59075 states to 59075 states and 81200 transitions. [2022-07-21 14:41:23,427 INFO L78 Accepts]: Start accepts. Automaton has 59075 states and 81200 transitions. Word has length 332 [2022-07-21 14:41:23,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:41:23,428 INFO L495 AbstractCegarLoop]: Abstraction has 59075 states and 81200 transitions. [2022-07-21 14:41:23,428 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) [2022-07-21 14:41:23,428 INFO L276 IsEmpty]: Start isEmpty. Operand 59075 states and 81200 transitions. [2022-07-21 14:41:23,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-21 14:41:23,454 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:41:23,455 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] [2022-07-21 14:41:23,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 14:41:23,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:41:23,676 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:41:23,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:41:23,676 INFO L85 PathProgramCache]: Analyzing trace with hash 794290650, now seen corresponding path program 1 times [2022-07-21 14:41:23,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:41:23,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774089412] [2022-07-21 14:41:23,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:41:23,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:41:23,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:41:23,680 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:41:23,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 14:41:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:25,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 3479 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:41:26,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:41:26,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 1257 trivial. 0 not checked. [2022-07-21 14:41:26,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:41:26,146 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:41:26,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [774089412] [2022-07-21 14:41:26,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [774089412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:41:26,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:41:26,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:41:26,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068140566] [2022-07-21 14:41:26,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:41:26,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:41:26,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:41:26,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:41:26,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:41:26,147 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) [2022-07-21 14:41:28,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:41:28,424 INFO L93 Difference]: Finished difference Result 144993 states and 199354 transitions. [2022-07-21 14:41:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:41:28,434 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 [2022-07-21 14:41:28,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:41:28,846 INFO L225 Difference]: With dead ends: 144993 [2022-07-21 14:41:28,847 INFO L226 Difference]: Without dead ends: 87459 [2022-07-21 14:41:29,023 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 [2022-07-21 14:41:29,024 INFO L413 NwaCegarLoop]: 8102 mSDtfsCounter, 4083 mSDsluCounter, 4184 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-07-21 14:41:29,024 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] [2022-07-21 14:41:29,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87459 states. [2022-07-21 14:41:31,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87459 to 87457. [2022-07-21 14:41:31,527 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) [2022-07-21 14:41:31,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87457 states to 87457 states and 120240 transitions. [2022-07-21 14:41:31,854 INFO L78 Accepts]: Start accepts. Automaton has 87457 states and 120240 transitions. Word has length 332 [2022-07-21 14:41:31,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:41:31,855 INFO L495 AbstractCegarLoop]: Abstraction has 87457 states and 120240 transitions. [2022-07-21 14:41:31,855 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) [2022-07-21 14:41:31,855 INFO L276 IsEmpty]: Start isEmpty. Operand 87457 states and 120240 transitions. [2022-07-21 14:41:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-21 14:41:32,142 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:41:32,143 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] [2022-07-21 14:41:32,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 14:41:32,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:41:32,361 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:41:32,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:41:32,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1427563624, now seen corresponding path program 1 times [2022-07-21 14:41:32,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:41:32,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [58517517] [2022-07-21 14:41:32,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:41:32,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:41:32,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:41:32,365 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:41:32,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 14:41:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:34,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 3515 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-21 14:41:34,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:41:36,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 384 proven. 3 refuted. 0 times theorem prover too weak. 1213 trivial. 0 not checked. [2022-07-21 14:41:36,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:41:38,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2022-07-21 14:41:38,271 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:41:38,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [58517517] [2022-07-21 14:41:38,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [58517517] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 14:41:38,271 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 14:41:38,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-21 14:41:38,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276755416] [2022-07-21 14:41:38,271 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 14:41:38,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-21 14:41:38,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:41:38,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-21 14:41:38,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-21 14:41:38,273 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) [2022-07-21 14:42:34,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:42:34,526 INFO L93 Difference]: Finished difference Result 230279 states and 316590 transitions. [2022-07-21 14:42:34,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-21 14:42:34,527 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 [2022-07-21 14:42:34,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:42:35,284 INFO L225 Difference]: With dead ends: 230279 [2022-07-21 14:42:35,284 INFO L226 Difference]: Without dead ends: 144363 [2022-07-21 14:42:35,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 691 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2022-07-21 14:42:35,763 INFO L413 NwaCegarLoop]: 8561 mSDtfsCounter, 13281 mSDsluCounter, 112545 mSDsCounter, 0 mSdLazyCounter, 8842 mSolverCounterSat, 2564 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13605 SdHoareTripleChecker+Valid, 121106 SdHoareTripleChecker+Invalid, 11406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2564 IncrementalHoareTripleChecker+Valid, 8842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:42:35,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13605 Valid, 121106 Invalid, 11406 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2564 Valid, 8842 Invalid, 0 Unknown, 0 Unchecked, 50.1s Time] [2022-07-21 14:42:35,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144363 states. [2022-07-21 14:42:39,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144363 to 87593. [2022-07-21 14:42:39,736 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) [2022-07-21 14:42:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87593 states to 87593 states and 120364 transitions. [2022-07-21 14:42:40,150 INFO L78 Accepts]: Start accepts. Automaton has 87593 states and 120364 transitions. Word has length 356 [2022-07-21 14:42:40,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:42:40,151 INFO L495 AbstractCegarLoop]: Abstraction has 87593 states and 120364 transitions. [2022-07-21 14:42:40,151 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) [2022-07-21 14:42:40,151 INFO L276 IsEmpty]: Start isEmpty. Operand 87593 states and 120364 transitions. [2022-07-21 14:42:40,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-21 14:42:40,175 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:42:40,175 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] [2022-07-21 14:42:40,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 14:42:40,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:42:40,404 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:42:40,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:42:40,404 INFO L85 PathProgramCache]: Analyzing trace with hash -758039221, now seen corresponding path program 1 times [2022-07-21 14:42:40,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:42:40,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918356335] [2022-07-21 14:42:40,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:42:40,408 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:42:40,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:42:40,409 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) [2022-07-21 14:42:40,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 14:42:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:42:43,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 3552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:42:43,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:42:43,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-21 14:42:43,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:42:43,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:42:43,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1918356335] [2022-07-21 14:42:43,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1918356335] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:42:43,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:42:43,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:42:43,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586388596] [2022-07-21 14:42:43,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:42:43,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:42:43,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:42:43,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:42:43,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:42:43,275 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) [2022-07-21 14:42:46,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:42:46,819 INFO L93 Difference]: Finished difference Result 199423 states and 274040 transitions. [2022-07-21 14:42:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:42:46,820 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 [2022-07-21 14:42:46,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:42:47,557 INFO L225 Difference]: With dead ends: 199423 [2022-07-21 14:42:47,557 INFO L226 Difference]: Without dead ends: 113455 [2022-07-21 14:42:47,828 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 [2022-07-21 14:42:47,828 INFO L413 NwaCegarLoop]: 7687 mSDtfsCounter, 3483 mSDsluCounter, 4139 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3483 SdHoareTripleChecker+Valid, 11826 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:42:47,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3483 Valid, 11826 Invalid, 81 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 14:42:47,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113455 states. [2022-07-21 14:42:51,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113455 to 113449. [2022-07-21 14:42:51,699 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) [2022-07-21 14:42:52,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113449 states to 113449 states and 155758 transitions. [2022-07-21 14:42:52,193 INFO L78 Accepts]: Start accepts. Automaton has 113449 states and 155758 transitions. Word has length 367 [2022-07-21 14:42:52,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:42:52,194 INFO L495 AbstractCegarLoop]: Abstraction has 113449 states and 155758 transitions. [2022-07-21 14:42:52,194 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) [2022-07-21 14:42:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 113449 states and 155758 transitions. [2022-07-21 14:42:52,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-21 14:42:52,223 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:42:52,223 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] [2022-07-21 14:42:52,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 14:42:52,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:42:52,439 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:42:52,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:42:52,440 INFO L85 PathProgramCache]: Analyzing trace with hash -773557939, now seen corresponding path program 1 times [2022-07-21 14:42:52,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:42:52,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039887676] [2022-07-21 14:42:52,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:42:52,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:42:52,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:42:52,444 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) [2022-07-21 14:42:52,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 14:42:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:42:54,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 3552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:42:54,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:42:55,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-21 14:42:55,108 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:42:55,108 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:42:55,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039887676] [2022-07-21 14:42:55,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039887676] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:42:55,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:42:55,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:42:55,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630630758] [2022-07-21 14:42:55,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:42:55,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:42:55,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:42:55,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:42:55,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:42:55,110 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) [2022-07-21 14:42:59,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:42:59,734 INFO L93 Difference]: Finished difference Result 252728 states and 346958 transitions. [2022-07-21 14:42:59,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:42:59,735 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 [2022-07-21 14:42:59,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:43:00,649 INFO L225 Difference]: With dead ends: 252728 [2022-07-21 14:43:00,649 INFO L226 Difference]: Without dead ends: 140904 [2022-07-21 14:43:00,995 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 [2022-07-21 14:43:00,995 INFO L413 NwaCegarLoop]: 7728 mSDtfsCounter, 3939 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:43:00,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3939 Valid, 11470 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 14:43:01,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140904 states. [2022-07-21 14:43:05,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140904 to 140898. [2022-07-21 14:43:05,744 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) [2022-07-21 14:43:06,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140898 states to 140898 states and 193246 transitions. [2022-07-21 14:43:06,720 INFO L78 Accepts]: Start accepts. Automaton has 140898 states and 193246 transitions. Word has length 367 [2022-07-21 14:43:06,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:43:06,721 INFO L495 AbstractCegarLoop]: Abstraction has 140898 states and 193246 transitions. [2022-07-21 14:43:06,721 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) [2022-07-21 14:43:06,721 INFO L276 IsEmpty]: Start isEmpty. Operand 140898 states and 193246 transitions. [2022-07-21 14:43:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-21 14:43:06,742 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:43:06,743 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] [2022-07-21 14:43:06,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 14:43:06,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:43:06,943 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:43:06,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:43:06,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1167934754, now seen corresponding path program 1 times [2022-07-21 14:43:06,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:43:06,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416011804] [2022-07-21 14:43:06,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:43:06,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:43:06,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:43:06,948 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) [2022-07-21 14:43:06,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 14:43:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:43:09,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 3532 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:43:09,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:43:09,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1628 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 1411 trivial. 0 not checked. [2022-07-21 14:43:09,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:43:09,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:43:09,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416011804] [2022-07-21 14:43:09,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416011804] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:43:09,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:43:09,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:43:09,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362425581] [2022-07-21 14:43:09,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:43:09,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:43:09,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:43:09,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:43:09,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:43:09,375 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)