./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 6c24879c 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-?-6c24879 [2022-07-12 16:06:26,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:06:26,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:06:26,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:06:26,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:06:26,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:06:26,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:06:26,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:06:26,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:06:26,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:06:26,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:06:26,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:06:26,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:06:26,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:06:26,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:06:26,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:06:26,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:06:26,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:06:26,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:06:26,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:06:26,329 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:06:26,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:06:26,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:06:26,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:06:26,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:06:26,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:06:26,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:06:26,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:06:26,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:06:26,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:06:26,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:06:26,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:06:26,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:06:26,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:06:26,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:06:26,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:06:26,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:06:26,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:06:26,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:06:26,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:06:26,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:06:26,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:06:26,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:06:26,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:06:26,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:06:26,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:06:26,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:06:26,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:06:26,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:06:26,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:06:26,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:06:26,390 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:06:26,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:06:26,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:06:26,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:06:26,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:06:26,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:06:26,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:06:26,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:06:26,392 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:06:26,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:06:26,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:06:26,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:06:26,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:06:26,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:06:26,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:06:26,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:06:26,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:06:26,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:06:26,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:06:26,395 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:06:26,395 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:06:26,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:06:26,395 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2022-07-12 16:06:26,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:06:26,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:06:26,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:06:26,608 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:06:26,608 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:06:26,610 INFO L432 ainManager$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 [2022-07-12 16:06:26,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ab9a8c9/3fe0d73034414af5be7e5f1478a7f2af/FLAGbdd9999fd [2022-07-12 16:06:27,276 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:06:27,277 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 [2022-07-12 16:06:27,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ab9a8c9/3fe0d73034414af5be7e5f1478a7f2af/FLAGbdd9999fd [2022-07-12 16:06:27,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ab9a8c9/3fe0d73034414af5be7e5f1478a7f2af [2022-07-12 16:06:27,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:06:27,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:06:27,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:06:27,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:06:27,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:06:27,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:06:27" (1/1) ... [2022-07-12 16:06:27,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a32ad2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:27, skipping insertion in model container [2022-07-12 16:06:27,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:06:27" (1/1) ... [2022-07-12 16:06:27,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:06:27,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:06:30,682 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] [2022-07-12 16:06:30,685 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] [2022-07-12 16:06:30,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:06:30,811 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:06:31,050 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) [2022-07-12 16:06:31,063 INFO L158 Benchmark]: Toolchain (without parser) took 3682.85ms. Allocated memory was 92.3MB in the beginning and 188.7MB in the end (delta: 96.5MB). Free memory was 58.7MB in the beginning and 72.1MB in the end (delta: -13.4MB). Peak memory consumption was 95.0MB. Max. memory is 16.1GB. [2022-07-12 16:06:31,064 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 16:06:31,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3681.06ms. Allocated memory was 92.3MB in the beginning and 188.7MB in the end (delta: 96.5MB). Free memory was 58.7MB in the beginning and 72.1MB in the end (delta: -13.4MB). Peak memory consumption was 95.0MB. Max. memory is 16.1GB. [2022-07-12 16:06:31,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3681.06ms. Allocated memory was 92.3MB in the beginning and 188.7MB in the end (delta: 96.5MB). Free memory was 58.7MB in the beginning and 72.1MB in the end (delta: -13.4MB). Peak memory consumption was 95.0MB. 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-?-6c24879 [2022-07-12 16:06:32,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:06:32,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:06:32,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:06:32,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:06:32,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:06:32,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:06:32,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:06:32,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:06:32,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:06:32,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:06:32,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:06:32,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:06:32,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:06:32,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:06:32,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:06:32,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:06:32,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:06:32,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:06:32,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:06:32,675 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:06:32,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:06:32,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:06:32,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:06:32,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:06:32,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:06:32,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:06:32,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:06:32,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:06:32,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:06:32,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:06:32,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:06:32,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:06:32,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:06:32,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:06:32,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:06:32,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:06:32,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:06:32,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:06:32,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:06:32,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:06:32,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:06:32,699 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 16:06:32,724 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:06:32,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:06:32,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:06:32,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:06:32,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:06:32,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:06:32,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:06:32,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:06:32,727 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:06:32,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:06:32,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:06:32,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:06:32,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:06:32,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:06:32,729 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 16:06:32,729 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 16:06:32,729 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 16:06:32,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:06:32,729 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:06:32,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:06:32,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:06:32,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:06:32,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:06:32,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:06:32,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:06:32,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:06:32,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:06:32,731 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 16:06:32,731 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 16:06:32,731 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:06:32,731 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:06:32,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:06:32,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 16:06:32,732 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2022-07-12 16:06:32,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:06:33,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:06:33,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:06:33,012 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:06:33,012 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:06:33,013 INFO L432 ainManager$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 [2022-07-12 16:06:33,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8fdacfc8/2ea09de997aa410991e4976cce2c4f2f/FLAG0c84383d1 [2022-07-12 16:06:33,757 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:06:33,757 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 [2022-07-12 16:06:33,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8fdacfc8/2ea09de997aa410991e4976cce2c4f2f/FLAG0c84383d1 [2022-07-12 16:06:33,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8fdacfc8/2ea09de997aa410991e4976cce2c4f2f [2022-07-12 16:06:33,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:06:33,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:06:33,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:06:33,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:06:33,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:06:33,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:06:33" (1/1) ... [2022-07-12 16:06:33,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57720ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:33, skipping insertion in model container [2022-07-12 16:06:33,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:06:33" (1/1) ... [2022-07-12 16:06:33,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:06:34,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:06:37,170 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] [2022-07-12 16:06:37,173 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] [2022-07-12 16:06:37,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:06:37,266 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 16:06:37,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:06:37,539 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] [2022-07-12 16:06:37,539 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] [2022-07-12 16:06:37,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:06:37,575 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:06:37,966 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] [2022-07-12 16:06:37,967 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] [2022-07-12 16:06:37,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:06:38,218 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:06:38,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:38 WrapperNode [2022-07-12 16:06:38,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:06:38,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:06:38,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:06:38,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:06:38,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:38" (1/1) ... [2022-07-12 16:06:38,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:38" (1/1) ... [2022-07-12 16:06:38,520 INFO L137 Inliner]: procedures = 681, calls = 4451, calls flagged for inlining = 327, calls inlined = 292, statements flattened = 8269 [2022-07-12 16:06:38,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:06:38,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:06:38,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:06:38,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:06:38,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:38" (1/1) ... [2022-07-12 16:06:38,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:38" (1/1) ... [2022-07-12 16:06:38,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:38" (1/1) ... [2022-07-12 16:06:38,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:38" (1/1) ... [2022-07-12 16:06:38,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:38" (1/1) ... [2022-07-12 16:06:38,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:38" (1/1) ... [2022-07-12 16:06:38,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:38" (1/1) ... [2022-07-12 16:06:38,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:06:38,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:06:38,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:06:38,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:06:38,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:38" (1/1) ... [2022-07-12 16:06:38,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:06:38,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:06:38,941 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) [2022-07-12 16:06:38,951 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 [2022-07-12 16:06:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-12 16:06:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-12 16:06:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:06:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:06:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-12 16:06:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-12 16:06:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:06:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:06:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-07-12 16:06:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-07-12 16:06:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-07-12 16:06:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-07-12 16:06:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-07-12 16:06:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-07-12 16:06:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-07-12 16:06:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-07-12 16:06:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-07-12 16:06:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-07-12 16:06:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 16:06:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 16:06:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-07-12 16:06:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-07-12 16:06:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:06:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:06:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 16:06:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 16:06:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-07-12 16:06:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-07-12 16:06:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-07-12 16:06:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-07-12 16:06:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-07-12 16:06:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-07-12 16:06:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 16:06:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 16:06:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-07-12 16:06:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-07-12 16:06:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:06:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:06:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-07-12 16:06:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-07-12 16:06:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 16:06:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 16:06:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:06:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:06:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 16:06:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 16:06:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:06:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:06:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-07-12 16:06:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-07-12 16:06:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-07-12 16:06:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-07-12 16:06:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:06:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:06:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-07-12 16:06:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-07-12 16:06:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-12 16:06:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-12 16:06:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:06:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 16:06:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 16:06:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-07-12 16:06:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-07-12 16:06:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 16:06:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 16:06:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 16:06:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 16:06:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 16:06:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-12 16:06:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-12 16:06:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-07-12 16:06:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-07-12 16:06:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-12 16:06:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-07-12 16:06:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-07-12 16:06:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:06:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:06:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 16:06:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 16:06:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-07-12 16:06:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-07-12 16:06:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-07-12 16:06:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-07-12 16:06:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-07-12 16:06:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-07-12 16:06:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:06:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:06:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-07-12 16:06:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-07-12 16:06:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 16:06:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 16:06:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-07-12 16:06:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-07-12 16:06:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:06:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:06:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 16:06:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 16:06:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:06:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:06:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-12 16:06:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-12 16:06:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:06:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:06:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:06:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:06:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-07-12 16:06:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-07-12 16:06:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-07-12 16:06:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-07-12 16:06:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:06:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:06:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:06:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:06:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 16:06:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 16:06:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-07-12 16:06:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-07-12 16:06:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-07-12 16:06:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-07-12 16:06:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:06:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:06:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:06:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:06:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:06:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-12 16:06:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-07-12 16:06:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 16:06:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 16:06:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-12 16:06:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-12 16:06:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-07-12 16:06:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-07-12 16:06:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-12 16:06:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-12 16:06:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-07-12 16:06:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-07-12 16:06:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:06:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 16:06:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 16:06:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:06:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:06:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:06:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:06:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:06:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 16:06:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-07-12 16:06:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-07-12 16:06:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 16:06:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-07-12 16:06:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-07-12 16:06:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 16:06:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-07-12 16:06:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-07-12 16:06:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:06:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:06:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 16:06:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:06:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:06:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-12 16:06:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-12 16:06:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 16:06:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 16:06:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-07-12 16:06:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-07-12 16:06:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-07-12 16:06:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-07-12 16:06:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-07-12 16:06:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-07-12 16:06:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-07-12 16:06:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-07-12 16:06:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-07-12 16:06:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-07-12 16:06:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 16:06:39,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 16:06:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 16:06:39,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 16:06:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 16:06:39,028 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 16:06:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:06:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:06:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-07-12 16:06:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-07-12 16:06:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:06:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:06:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-07-12 16:06:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-07-12 16:06:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-07-12 16:06:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-07-12 16:06:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 16:06:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 16:06:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 16:06:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-07-12 16:06:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-07-12 16:06:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:06:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:06:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 16:06:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 16:06:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-07-12 16:06:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-07-12 16:06:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 16:06:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 16:06:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 16:06:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:06:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 16:06:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:06:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:06:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:06:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-12 16:06:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-12 16:06:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 16:06:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 16:06:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 16:06:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 16:06:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-12 16:06:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-07-12 16:06:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-07-12 16:06:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-12 16:06:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-12 16:06:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 16:06:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 16:06:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-07-12 16:06:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-07-12 16:06:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:06:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:06:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-12 16:06:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-12 16:06:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-07-12 16:06:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-07-12 16:06:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:06:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:06:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-07-12 16:06:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-07-12 16:06:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-07-12 16:06:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-07-12 16:06:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-12 16:06:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-12 16:06:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:06:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:06:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-12 16:06:39,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-12 16:06:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-12 16:06:39,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-12 16:06:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-12 16:06:39,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-12 16:06:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 16:06:39,043 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 16:06:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:06:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 16:06:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 16:06:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-07-12 16:06:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-07-12 16:06:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-07-12 16:06:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-07-12 16:06:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-12 16:06:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-12 16:06:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-07-12 16:06:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-07-12 16:06:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 16:06:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 16:06:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:06:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-12 16:06:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-12 16:06:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2022-07-12 16:06:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2022-07-12 16:06:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 16:06:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 16:06:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 16:06:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 16:06:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:06:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-07-12 16:06:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-07-12 16:06:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-12 16:06:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-12 16:06:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-07-12 16:06:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-07-12 16:06:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 16:06:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 16:06:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 16:06:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 16:06:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:06:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:06:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-12 16:06:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-12 16:06:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:06:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:06:39,049 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 16:06:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 16:06:39,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-12 16:06:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-12 16:06:39,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 16:06:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 16:06:39,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-12 16:06:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-12 16:06:39,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2022-07-12 16:06:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2022-07-12 16:06:39,050 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 16:06:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 16:06:39,050 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:06:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:06:39,050 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:06:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:06:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-07-12 16:06:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-07-12 16:06:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 16:06:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 16:06:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-07-12 16:06:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-07-12 16:06:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:06:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:06:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-07-12 16:06:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-07-12 16:06:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 16:06:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 16:06:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 16:06:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 16:06:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:06:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:06:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-07-12 16:06:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-07-12 16:06:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-07-12 16:06:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-07-12 16:06:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-07-12 16:06:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-07-12 16:06:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-07-12 16:06:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-07-12 16:06:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-07-12 16:06:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-07-12 16:06:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:06:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:06:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-07-12 16:06:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-07-12 16:06:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 16:06:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 16:06:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-12 16:06:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-12 16:06:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-07-12 16:06:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-07-12 16:06:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-07-12 16:06:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-07-12 16:06:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-07-12 16:06:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-07-12 16:06:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-07-12 16:06:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-07-12 16:06:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-07-12 16:06:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-07-12 16:06:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-12 16:06:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-12 16:06:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-12 16:06:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-12 16:06:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:06:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:06:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 16:06:39,057 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 16:06:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-12 16:06:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-12 16:06:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-07-12 16:06:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-07-12 16:06:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-07-12 16:06:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-07-12 16:06:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-12 16:06:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-12 16:06:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 16:06:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 16:06:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-12 16:06:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-12 16:06:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 16:06:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 16:06:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-07-12 16:06:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-07-12 16:06:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:06:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:06:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-07-12 16:06:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-07-12 16:06:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-07-12 16:06:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-07-12 16:06:39,940 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:06:39,943 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:06:40,012 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:07:17,536 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:07:18,698 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:07:18,721 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:07:18,721 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-07-12 16:07:18,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:07:18 BoogieIcfgContainer [2022-07-12 16:07:18,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:07:18,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:07:18,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:07:18,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:07:18,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:06:33" (1/3) ... [2022-07-12 16:07:18,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdc113e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:07:18, skipping insertion in model container [2022-07-12 16:07:18,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:06:38" (2/3) ... [2022-07-12 16:07:18,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdc113e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:07:18, skipping insertion in model container [2022-07-12 16:07:18,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:07:18" (3/3) ... [2022-07-12 16:07:18,737 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-12 16:07:18,752 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:07:18,752 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 16:07:18,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:07:18,862 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@1fcd3ada, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@511fe594 [2022-07-12 16:07:18,862 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 16:07:18,875 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) [2022-07-12 16:07:18,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-12 16:07:18,915 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:18,916 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] [2022-07-12 16:07:18,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:18,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:18,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1793120373, now seen corresponding path program 1 times [2022-07-12 16:07:18,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:07:18,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1230720782] [2022-07-12 16:07:18,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:18,942 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:07:18,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:07:18,944 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) [2022-07-12 16:07:18,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 16:07:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:21,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 3269 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:07:21,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:07:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-12 16:07:21,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:07:21,617 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:07:21,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1230720782] [2022-07-12 16:07:21,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1230720782] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:21,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:21,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:07:21,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830748469] [2022-07-12 16:07:21,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:21,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:07:21,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:07:21,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:07:21,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:07:21,647 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) [2022-07-12 16:07:22,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:22,796 INFO L93 Difference]: Finished difference Result 8727 states and 12375 transitions. [2022-07-12 16:07:22,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:07:22,798 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 [2022-07-12 16:07:22,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:22,832 INFO L225 Difference]: With dead ends: 8727 [2022-07-12 16:07:22,832 INFO L226 Difference]: Without dead ends: 5561 [2022-07-12 16:07:22,849 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 [2022-07-12 16:07:22,851 INFO L413 NwaCegarLoop]: 5008 mSDtfsCounter, 3567 mSDsluCounter, 4211 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3567 SdHoareTripleChecker+Valid, 9219 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:22,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3567 Valid, 9219 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 16:07:22,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5561 states. [2022-07-12 16:07:23,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5561 to 5558. [2022-07-12 16:07:23,085 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) [2022-07-12 16:07:23,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5558 states to 5558 states and 7702 transitions. [2022-07-12 16:07:23,121 INFO L78 Accepts]: Start accepts. Automaton has 5558 states and 7702 transitions. Word has length 228 [2022-07-12 16:07:23,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:07:23,123 INFO L495 AbstractCegarLoop]: Abstraction has 5558 states and 7702 transitions. [2022-07-12 16:07:23,124 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) [2022-07-12 16:07:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 5558 states and 7702 transitions. [2022-07-12 16:07:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-07-12 16:07:23,132 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:23,132 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] [2022-07-12 16:07:23,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 16:07:23,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:07:23,351 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:23,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:23,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1914200296, now seen corresponding path program 1 times [2022-07-12 16:07:23,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:07:23,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058953346] [2022-07-12 16:07:23,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:23,356 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:07:23,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:07:23,358 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) [2022-07-12 16:07:23,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 16:07:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:25,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 3270 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:07:25,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:07:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-12 16:07:25,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:07:25,963 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:07:25,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058953346] [2022-07-12 16:07:25,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058953346] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:25,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:25,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:07:25,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980886681] [2022-07-12 16:07:25,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:25,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:07:25,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:07:25,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:07:25,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:07:25,968 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) [2022-07-12 16:07:27,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:27,351 INFO L93 Difference]: Finished difference Result 15974 states and 22138 transitions. [2022-07-12 16:07:27,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:07:27,352 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 [2022-07-12 16:07:27,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:27,415 INFO L225 Difference]: With dead ends: 15974 [2022-07-12 16:07:27,416 INFO L226 Difference]: Without dead ends: 10453 [2022-07-12 16:07:27,447 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 [2022-07-12 16:07:27,449 INFO L413 NwaCegarLoop]: 6098 mSDtfsCounter, 3869 mSDsluCounter, 4109 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:27,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3869 Valid, 10207 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 16:07:27,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10453 states. [2022-07-12 16:07:27,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10453 to 10447. [2022-07-12 16:07:27,842 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) [2022-07-12 16:07:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10447 states to 10447 states and 14426 transitions. [2022-07-12 16:07:27,897 INFO L78 Accepts]: Start accepts. Automaton has 10447 states and 14426 transitions. Word has length 229 [2022-07-12 16:07:27,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:07:27,899 INFO L495 AbstractCegarLoop]: Abstraction has 10447 states and 14426 transitions. [2022-07-12 16:07:27,899 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) [2022-07-12 16:07:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 10447 states and 14426 transitions. [2022-07-12 16:07:27,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-12 16:07:27,906 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:27,907 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] [2022-07-12 16:07:27,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 16:07:28,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:07:28,115 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:28,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:28,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1195803474, now seen corresponding path program 1 times [2022-07-12 16:07:28,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:07:28,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967293262] [2022-07-12 16:07:28,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:28,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:07:28,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:07:28,120 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) [2022-07-12 16:07:28,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 16:07:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:30,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 3326 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:07:30,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:07:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2022-07-12 16:07:30,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:07:30,723 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:07:30,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967293262] [2022-07-12 16:07:30,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967293262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:30,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:30,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:07:30,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201114968] [2022-07-12 16:07:30,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:30,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:07:30,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:07:30,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:07:30,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:07:30,725 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) [2022-07-12 16:07:31,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:31,802 INFO L93 Difference]: Finished difference Result 30619 states and 42288 transitions. [2022-07-12 16:07:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:07:31,803 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 [2022-07-12 16:07:31,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:31,919 INFO L225 Difference]: With dead ends: 30619 [2022-07-12 16:07:31,920 INFO L226 Difference]: Without dead ends: 20209 [2022-07-12 16:07:31,967 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 [2022-07-12 16:07:31,972 INFO L413 NwaCegarLoop]: 6376 mSDtfsCounter, 4026 mSDsluCounter, 4158 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:31,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4026 Valid, 10534 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 16:07:31,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20209 states. [2022-07-12 16:07:32,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20209 to 20199. [2022-07-12 16:07:32,677 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) [2022-07-12 16:07:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20199 states to 20199 states and 27866 transitions. [2022-07-12 16:07:32,761 INFO L78 Accepts]: Start accepts. Automaton has 20199 states and 27866 transitions. Word has length 256 [2022-07-12 16:07:32,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:07:32,762 INFO L495 AbstractCegarLoop]: Abstraction has 20199 states and 27866 transitions. [2022-07-12 16:07:32,762 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) [2022-07-12 16:07:32,762 INFO L276 IsEmpty]: Start isEmpty. Operand 20199 states and 27866 transitions. [2022-07-12 16:07:32,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-12 16:07:32,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:32,772 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] [2022-07-12 16:07:32,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 16:07:32,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:07:32,988 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:32,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:32,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1044379485, now seen corresponding path program 1 times [2022-07-12 16:07:32,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:07:32,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361917806] [2022-07-12 16:07:32,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:32,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:07:32,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:07:32,994 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) [2022-07-12 16:07:32,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 16:07:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:35,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 3354 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:07:35,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:07:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2022-07-12 16:07:35,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:07:35,335 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:07:35,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361917806] [2022-07-12 16:07:35,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1361917806] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:35,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:35,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:07:35,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626462129] [2022-07-12 16:07:35,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:35,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:07:35,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:07:35,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:07:35,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:07:35,336 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) [2022-07-12 16:07:36,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:36,329 INFO L93 Difference]: Finished difference Result 42037 states and 57920 transitions. [2022-07-12 16:07:36,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:07:36,330 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 [2022-07-12 16:07:36,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:36,426 INFO L225 Difference]: With dead ends: 42037 [2022-07-12 16:07:36,427 INFO L226 Difference]: Without dead ends: 21875 [2022-07-12 16:07:36,497 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 [2022-07-12 16:07:36,499 INFO L413 NwaCegarLoop]: 5069 mSDtfsCounter, 2198 mSDsluCounter, 4153 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:36,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2198 Valid, 9222 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 16:07:36,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21875 states. [2022-07-12 16:07:37,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21875 to 21873. [2022-07-12 16:07:37,158 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) [2022-07-12 16:07:37,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21873 states to 21873 states and 30102 transitions. [2022-07-12 16:07:37,239 INFO L78 Accepts]: Start accepts. Automaton has 21873 states and 30102 transitions. Word has length 276 [2022-07-12 16:07:37,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:07:37,240 INFO L495 AbstractCegarLoop]: Abstraction has 21873 states and 30102 transitions. [2022-07-12 16:07:37,240 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) [2022-07-12 16:07:37,240 INFO L276 IsEmpty]: Start isEmpty. Operand 21873 states and 30102 transitions. [2022-07-12 16:07:37,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-07-12 16:07:37,250 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:37,250 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] [2022-07-12 16:07:37,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 16:07:37,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:07:37,468 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:37,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:37,468 INFO L85 PathProgramCache]: Analyzing trace with hash -2024781446, now seen corresponding path program 1 times [2022-07-12 16:07:37,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:07:37,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1347791328] [2022-07-12 16:07:37,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:37,472 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:07:37,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:07:37,473 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) [2022-07-12 16:07:37,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 16:07:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:39,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 3411 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:07:39,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:07:40,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-12 16:07:40,524 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:07:40,524 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:07:40,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1347791328] [2022-07-12 16:07:40,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1347791328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:40,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:40,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:07:40,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285312099] [2022-07-12 16:07:40,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:40,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:07:40,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:07:40,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:07:40,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:07:40,526 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) [2022-07-12 16:07:41,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:41,898 INFO L93 Difference]: Finished difference Result 50875 states and 70024 transitions. [2022-07-12 16:07:41,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:07:41,899 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 [2022-07-12 16:07:41,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:42,018 INFO L225 Difference]: With dead ends: 50875 [2022-07-12 16:07:42,018 INFO L226 Difference]: Without dead ends: 30627 [2022-07-12 16:07:42,076 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 [2022-07-12 16:07:42,077 INFO L413 NwaCegarLoop]: 6430 mSDtfsCounter, 3471 mSDsluCounter, 4132 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3471 SdHoareTripleChecker+Valid, 10562 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:42,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3471 Valid, 10562 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 16:07:42,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30627 states. [2022-07-12 16:07:42,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30627 to 30621. [2022-07-12 16:07:42,959 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) [2022-07-12 16:07:43,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30621 states to 30621 states and 42076 transitions. [2022-07-12 16:07:43,076 INFO L78 Accepts]: Start accepts. Automaton has 30621 states and 42076 transitions. Word has length 292 [2022-07-12 16:07:43,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:07:43,077 INFO L495 AbstractCegarLoop]: Abstraction has 30621 states and 42076 transitions. [2022-07-12 16:07:43,077 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) [2022-07-12 16:07:43,077 INFO L276 IsEmpty]: Start isEmpty. Operand 30621 states and 42076 transitions. [2022-07-12 16:07:43,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-12 16:07:43,097 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:43,097 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] [2022-07-12 16:07:43,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 16:07:43,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:07:43,324 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:43,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:43,324 INFO L85 PathProgramCache]: Analyzing trace with hash -806780456, now seen corresponding path program 1 times [2022-07-12 16:07:43,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:07:43,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161506119] [2022-07-12 16:07:43,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:43,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:07:43,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:07:43,329 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) [2022-07-12 16:07:43,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 16:07:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:45,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 3479 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:07:45,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:07:46,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 1257 trivial. 0 not checked. [2022-07-12 16:07:46,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:07:46,040 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:07:46,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161506119] [2022-07-12 16:07:46,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [161506119] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:46,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:46,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:07:46,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160983829] [2022-07-12 16:07:46,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:46,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:07:46,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:07:46,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:07:46,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:07:46,048 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) [2022-07-12 16:07:47,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:47,478 INFO L93 Difference]: Finished difference Result 88073 states and 121094 transitions. [2022-07-12 16:07:47,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:07:47,479 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 [2022-07-12 16:07:47,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:47,846 INFO L225 Difference]: With dead ends: 88073 [2022-07-12 16:07:47,846 INFO L226 Difference]: Without dead ends: 59077 [2022-07-12 16:07:47,931 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 [2022-07-12 16:07:47,932 INFO L413 NwaCegarLoop]: 7953 mSDtfsCounter, 4088 mSDsluCounter, 4179 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4088 SdHoareTripleChecker+Valid, 12132 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:47,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4088 Valid, 12132 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 16:07:47,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59077 states. [2022-07-12 16:07:49,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59077 to 59075. [2022-07-12 16:07:49,706 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) [2022-07-12 16:07:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59075 states to 59075 states and 81200 transitions. [2022-07-12 16:07:50,194 INFO L78 Accepts]: Start accepts. Automaton has 59075 states and 81200 transitions. Word has length 332 [2022-07-12 16:07:50,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:07:50,195 INFO L495 AbstractCegarLoop]: Abstraction has 59075 states and 81200 transitions. [2022-07-12 16:07:50,196 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) [2022-07-12 16:07:50,196 INFO L276 IsEmpty]: Start isEmpty. Operand 59075 states and 81200 transitions. [2022-07-12 16:07:50,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-12 16:07:50,222 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:50,222 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] [2022-07-12 16:07:50,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 16:07:50,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:07:50,436 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:50,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:50,436 INFO L85 PathProgramCache]: Analyzing trace with hash 794290650, now seen corresponding path program 1 times [2022-07-12 16:07:50,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:07:50,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094110565] [2022-07-12 16:07:50,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:50,439 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:07:50,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:07:50,440 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) [2022-07-12 16:07:50,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 16:07:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:07:52,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 3479 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:07:52,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:07:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 1257 trivial. 0 not checked. [2022-07-12 16:07:52,979 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:07:52,979 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:07:52,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094110565] [2022-07-12 16:07:52,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094110565] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:07:52,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:07:52,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:07:52,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189032217] [2022-07-12 16:07:52,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:07:52,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:07:52,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:07:52,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:07:52,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:07:52,981 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) [2022-07-12 16:07:55,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:07:55,366 INFO L93 Difference]: Finished difference Result 144993 states and 199354 transitions. [2022-07-12 16:07:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:07:55,367 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 [2022-07-12 16:07:55,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:07:55,722 INFO L225 Difference]: With dead ends: 144993 [2022-07-12 16:07:55,723 INFO L226 Difference]: Without dead ends: 87459 [2022-07-12 16:07:55,876 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 [2022-07-12 16:07:55,876 INFO L413 NwaCegarLoop]: 8102 mSDtfsCounter, 4083 mSDsluCounter, 4184 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4083 SdHoareTripleChecker+Valid, 12286 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:07:55,876 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] [2022-07-12 16:07:55,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87459 states. [2022-07-12 16:07:58,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87459 to 87457. [2022-07-12 16:07:58,415 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) [2022-07-12 16:07:58,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87457 states to 87457 states and 120240 transitions. [2022-07-12 16:07:59,063 INFO L78 Accepts]: Start accepts. Automaton has 87457 states and 120240 transitions. Word has length 332 [2022-07-12 16:07:59,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:07:59,063 INFO L495 AbstractCegarLoop]: Abstraction has 87457 states and 120240 transitions. [2022-07-12 16:07:59,064 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) [2022-07-12 16:07:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 87457 states and 120240 transitions. [2022-07-12 16:07:59,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-12 16:07:59,123 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:07:59,124 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] [2022-07-12 16:07:59,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 16:07:59,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:07:59,340 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:07:59,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:07:59,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1427563624, now seen corresponding path program 1 times [2022-07-12 16:07:59,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:07:59,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688458881] [2022-07-12 16:07:59,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:07:59,343 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:07:59,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:07:59,344 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) [2022-07-12 16:07:59,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 16:08:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:08:01,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 3515 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-12 16:08:01,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:08:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 384 proven. 3 refuted. 0 times theorem prover too weak. 1213 trivial. 0 not checked. [2022-07-12 16:08:04,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 16:08:06,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2022-07-12 16:08:06,614 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:08:06,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688458881] [2022-07-12 16:08:06,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [688458881] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 16:08:06,615 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 16:08:06,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-12 16:08:06,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470755367] [2022-07-12 16:08:06,615 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 16:08:06,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-12 16:08:06,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:08:06,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-12 16:08:06,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-12 16:08:06,618 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) [2022-07-12 16:09:23,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:09:23,395 INFO L93 Difference]: Finished difference Result 230279 states and 316590 transitions. [2022-07-12 16:09:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-12 16:09:23,396 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 [2022-07-12 16:09:23,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:09:24,367 INFO L225 Difference]: With dead ends: 230279 [2022-07-12 16:09:24,368 INFO L226 Difference]: Without dead ends: 144363 [2022-07-12 16:09:24,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 691 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2022-07-12 16:09:24,679 INFO L413 NwaCegarLoop]: 8561 mSDtfsCounter, 13281 mSDsluCounter, 112545 mSDsCounter, 0 mSdLazyCounter, 8842 mSolverCounterSat, 2564 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13605 SdHoareTripleChecker+Valid, 121106 SdHoareTripleChecker+Invalid, 11406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 2564 IncrementalHoareTripleChecker+Valid, 8842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:09:24,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13605 Valid, 121106 Invalid, 11406 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [2564 Valid, 8842 Invalid, 0 Unknown, 0 Unchecked, 69.9s Time] [2022-07-12 16:09:24,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144363 states. [2022-07-12 16:09:29,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144363 to 87593. [2022-07-12 16:09:29,615 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) [2022-07-12 16:09:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87593 states to 87593 states and 120364 transitions. [2022-07-12 16:09:30,060 INFO L78 Accepts]: Start accepts. Automaton has 87593 states and 120364 transitions. Word has length 356 [2022-07-12 16:09:30,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:09:30,064 INFO L495 AbstractCegarLoop]: Abstraction has 87593 states and 120364 transitions. [2022-07-12 16:09:30,064 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) [2022-07-12 16:09:30,064 INFO L276 IsEmpty]: Start isEmpty. Operand 87593 states and 120364 transitions. [2022-07-12 16:09:30,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-12 16:09:30,089 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:09:30,089 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] [2022-07-12 16:09:30,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 16:09:30,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:09:30,304 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:09:30,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:09:30,304 INFO L85 PathProgramCache]: Analyzing trace with hash -758039221, now seen corresponding path program 1 times [2022-07-12 16:09:30,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:09:30,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145176890] [2022-07-12 16:09:30,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:09:30,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:09:30,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:09:30,309 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) [2022-07-12 16:09:30,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 16:09:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:32,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 3552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:09:32,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:09:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-12 16:09:32,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:09:32,964 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:09:32,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145176890] [2022-07-12 16:09:32,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [145176890] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:09:32,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:09:32,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:09:32,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401133813] [2022-07-12 16:09:32,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:09:32,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:09:32,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:09:32,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:09:32,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:09:32,966 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) [2022-07-12 16:09:36,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:09:36,441 INFO L93 Difference]: Finished difference Result 199423 states and 274040 transitions. [2022-07-12 16:09:36,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:09:36,441 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 [2022-07-12 16:09:36,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:09:37,102 INFO L225 Difference]: With dead ends: 199423 [2022-07-12 16:09:37,113 INFO L226 Difference]: Without dead ends: 113455 [2022-07-12 16:09:37,346 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 [2022-07-12 16:09:37,347 INFO L413 NwaCegarLoop]: 7687 mSDtfsCounter, 3483 mSDsluCounter, 4139 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3483 SdHoareTripleChecker+Valid, 11826 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:09:37,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3483 Valid, 11826 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 16:09:37,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113455 states. [2022-07-12 16:09:40,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113455 to 113449. [2022-07-12 16:09:41,080 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) [2022-07-12 16:09:41,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113449 states to 113449 states and 155758 transitions. [2022-07-12 16:09:41,692 INFO L78 Accepts]: Start accepts. Automaton has 113449 states and 155758 transitions. Word has length 367 [2022-07-12 16:09:41,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:09:41,697 INFO L495 AbstractCegarLoop]: Abstraction has 113449 states and 155758 transitions. [2022-07-12 16:09:41,697 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) [2022-07-12 16:09:41,697 INFO L276 IsEmpty]: Start isEmpty. Operand 113449 states and 155758 transitions. [2022-07-12 16:09:41,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-12 16:09:41,717 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:09:41,717 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] [2022-07-12 16:09:41,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 16:09:41,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:09:41,934 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:09:41,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:09:41,935 INFO L85 PathProgramCache]: Analyzing trace with hash -773557939, now seen corresponding path program 1 times [2022-07-12 16:09:41,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:09:41,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764090069] [2022-07-12 16:09:41,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:09:41,937 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:09:41,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:09:41,938 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) [2022-07-12 16:09:41,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 16:09:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:44,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 3552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:09:44,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:09:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-12 16:09:44,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:09:44,422 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:09:44,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764090069] [2022-07-12 16:09:44,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1764090069] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:09:44,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:09:44,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:09:44,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300127738] [2022-07-12 16:09:44,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:09:44,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:09:44,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:09:44,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:09:44,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:09:44,423 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) [2022-07-12 16:09:49,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:09:49,062 INFO L93 Difference]: Finished difference Result 252728 states and 346958 transitions. [2022-07-12 16:09:49,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:09:49,063 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 [2022-07-12 16:09:49,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:09:49,679 INFO L225 Difference]: With dead ends: 252728 [2022-07-12 16:09:49,679 INFO L226 Difference]: Without dead ends: 140904 [2022-07-12 16:09:50,217 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 [2022-07-12 16:09:50,217 INFO L413 NwaCegarLoop]: 7728 mSDtfsCounter, 3939 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3939 SdHoareTripleChecker+Valid, 11470 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:09:50,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3939 Valid, 11470 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 16:09:50,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140904 states. [2022-07-12 16:09:54,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140904 to 140898. [2022-07-12 16:09:54,961 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) [2022-07-12 16:09:55,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140898 states to 140898 states and 193246 transitions. [2022-07-12 16:09:55,652 INFO L78 Accepts]: Start accepts. Automaton has 140898 states and 193246 transitions. Word has length 367 [2022-07-12 16:09:55,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:09:55,653 INFO L495 AbstractCegarLoop]: Abstraction has 140898 states and 193246 transitions. [2022-07-12 16:09:55,653 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) [2022-07-12 16:09:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand 140898 states and 193246 transitions. [2022-07-12 16:09:55,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-12 16:09:55,675 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:09:55,676 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] [2022-07-12 16:09:55,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-12 16:09:55,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:09:55,884 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:09:55,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:09:55,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1167934754, now seen corresponding path program 1 times [2022-07-12 16:09:55,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:09:55,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211992361] [2022-07-12 16:09:55,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:09:55,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:09:55,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:09:55,888 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) [2022-07-12 16:09:55,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 16:09:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:09:58,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 3532 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:09:58,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:09:58,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1628 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 1411 trivial. 0 not checked. [2022-07-12 16:09:58,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:09:58,252 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:09:58,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211992361] [2022-07-12 16:09:58,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [211992361] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:09:58,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:09:58,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:09:58,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929220692] [2022-07-12 16:09:58,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:09:58,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:09:58,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:09:58,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:09:58,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:09:58,254 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)