./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-wireless-rtl818x-rtl8180-rtl8180.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.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 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:45:54,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:45:54,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:45:54,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:45:54,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:45:54,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:45:54,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:45:54,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:45:54,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:45:54,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:45:54,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:45:54,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:45:54,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:45:54,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:45:54,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:45:54,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:45:54,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:45:54,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:45:54,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:45:54,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:45:54,677 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:45:54,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:45:54,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:45:54,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:45:54,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:45:54,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:45:54,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:45:54,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:45:54,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:45:54,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:45:54,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:45:54,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:45:54,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:45:54,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:45:54,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:45:54,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:45:54,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:45:54,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:45:54,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:45:54,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:45:54,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:45:54,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:45:54,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:45:54,737 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:45:54,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:45:54,738 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:45:54,738 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:45:54,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:45:54,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:45:54,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:45:54,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:45:54,740 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:45:54,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:45:54,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:45:54,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:45:54,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:45:54,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:45:54,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:45:54,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:45:54,742 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:45:54,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:45:54,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:45:54,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:45:54,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:45:54,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:45:54,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:45:54,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:45:54,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:45:54,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:45:54,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:45:54,745 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:45:54,745 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:45:54,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:45:54,745 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2022-07-21 14:45:55,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:45:55,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:45:55,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:45:55,052 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:45:55,052 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:45:55,054 INFO L432 ainManager$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-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-21 14:45:55,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f9514c6/cda2778f774c45bf8640c252db7c1668/FLAGea78b52c8 [2022-07-21 14:45:55,987 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:45:55,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-21 14:45:56,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f9514c6/cda2778f774c45bf8640c252db7c1668/FLAGea78b52c8 [2022-07-21 14:45:56,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f9514c6/cda2778f774c45bf8640c252db7c1668 [2022-07-21 14:45:56,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:45:56,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:45:56,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:45:56,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:45:56,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:45:56,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:45:56" (1/1) ... [2022-07-21 14:45:56,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5971239a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:56, skipping insertion in model container [2022-07-21 14:45:56,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:45:56" (1/1) ... [2022-07-21 14:45:56,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:45:56,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:46:01,437 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-07-21 14:46:01,441 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-07-21 14:46:01,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:46:01,581 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:46:01,843 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: eeprom_val = (unsigned int )eeprom_val & 255U [9067] 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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 14:46:01,852 INFO L158 Benchmark]: Toolchain (without parser) took 5373.50ms. Allocated memory was 69.2MB in the beginning and 161.5MB in the end (delta: 92.3MB). Free memory was 44.0MB in the beginning and 69.3MB in the end (delta: -25.3MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2022-07-21 14:46:01,853 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 14:46:01,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5371.56ms. Allocated memory was 69.2MB in the beginning and 161.5MB in the end (delta: 92.3MB). Free memory was 43.9MB in the beginning and 69.3MB in the end (delta: -25.5MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2022-07-21 14:46:01,855 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5371.56ms. Allocated memory was 69.2MB in the beginning and 161.5MB in the end (delta: 92.3MB). Free memory was 43.9MB in the beginning and 69.3MB in the end (delta: -25.5MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9067] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9067]: 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-wireless-rtl818x-rtl8180-rtl8180.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 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:46:03,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:46:03,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:46:03,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:46:03,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:46:03,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:46:03,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:46:03,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:46:03,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:46:03,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:46:03,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:46:03,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:46:03,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:46:03,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:46:03,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:46:03,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:46:03,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:46:03,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:46:03,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:46:03,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:46:03,796 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:46:03,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:46:03,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:46:03,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:46:03,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:46:03,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:46:03,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:46:03,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:46:03,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:46:03,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:46:03,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:46:03,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:46:03,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:46:03,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:46:03,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:46:03,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:46:03,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:46:03,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:46:03,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:46:03,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:46:03,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:46:03,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:46:03,827 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 14:46:03,860 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:46:03,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:46:03,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:46:03,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:46:03,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:46:03,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:46:03,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:46:03,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:46:03,864 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:46:03,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:46:03,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:46:03,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:46:03,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:46:03,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:46:03,866 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 14:46:03,867 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 14:46:03,867 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 14:46:03,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:46:03,867 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:46:03,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:46:03,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:46:03,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:46:03,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:46:03,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:46:03,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:46:03,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:46:03,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:46:03,869 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 14:46:03,870 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 14:46:03,870 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:46:03,870 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:46:03,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:46:03,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 14:46:03,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2022-07-21 14:46:04,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:46:04,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:46:04,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:46:04,271 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:46:04,271 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:46:04,273 INFO L432 ainManager$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-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-21 14:46:04,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb5450e50/a9fa6eb472d54dad8e0d98935cbc1c3d/FLAGf265d3829 [2022-07-21 14:46:05,257 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:46:05,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-21 14:46:05,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb5450e50/a9fa6eb472d54dad8e0d98935cbc1c3d/FLAGf265d3829 [2022-07-21 14:46:05,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb5450e50/a9fa6eb472d54dad8e0d98935cbc1c3d [2022-07-21 14:46:05,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:46:05,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:46:05,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:46:05,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:46:05,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:46:05,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:46:05" (1/1) ... [2022-07-21 14:46:05,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543fdf0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:46:05, skipping insertion in model container [2022-07-21 14:46:05,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:46:05" (1/1) ... [2022-07-21 14:46:05,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:46:05,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:46:09,473 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-21 14:46:09,531 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-21 14:46:09,582 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-21 14:46:10,462 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-07-21 14:46:10,465 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-07-21 14:46:10,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:46:10,602 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 14:46:10,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:46:11,108 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-07-21 14:46:11,109 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-07-21 14:46:11,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:46:11,144 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:46:11,589 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-07-21 14:46:11,589 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-07-21 14:46:11,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:46:11,772 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:46:11,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:46:11 WrapperNode [2022-07-21 14:46:11,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:46:11,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:46:11,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:46:11,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:46:11,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:46:11" (1/1) ... [2022-07-21 14:46:11,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:46:11" (1/1) ... [2022-07-21 14:46:12,148 INFO L137 Inliner]: procedures = 536, calls = 3820, calls flagged for inlining = 276, calls inlined = 261, statements flattened = 6676 [2022-07-21 14:46:12,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:46:12,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:46:12,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:46:12,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:46:12,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:46:11" (1/1) ... [2022-07-21 14:46:12,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:46:11" (1/1) ... [2022-07-21 14:46:12,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:46:11" (1/1) ... [2022-07-21 14:46:12,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:46:11" (1/1) ... [2022-07-21 14:46:12,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:46:11" (1/1) ... [2022-07-21 14:46:12,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:46:11" (1/1) ... [2022-07-21 14:46:12,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:46:11" (1/1) ... [2022-07-21 14:46:12,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:46:12,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:46:12,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:46:12,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:46:12,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:46:11" (1/1) ... [2022-07-21 14:46:12,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:46:12,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:46:12,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 14:46:12,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 14:46:12,587 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-21 14:46:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-21 14:46:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-21 14:46:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-21 14:46:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-21 14:46:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-21 14:46:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-21 14:46:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-21 14:46:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 14:46:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 14:46:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:46:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:46:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:46:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:46:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-21 14:46:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-21 14:46:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-21 14:46:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-21 14:46:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 14:46:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 14:46:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 14:46:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 14:46:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 14:46:12,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 14:46:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-21 14:46:12,591 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-21 14:46:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-21 14:46:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-21 14:46:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-21 14:46:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-21 14:46:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:46:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:46:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-21 14:46:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-21 14:46:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-21 14:46:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-21 14:46:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-21 14:46:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-21 14:46:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:46:12,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:46:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 14:46:12,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 14:46:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-21 14:46:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-21 14:46:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:46:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-21 14:46:12,596 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-21 14:46:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 14:46:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 14:46:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 14:46:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 14:46:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-21 14:46:12,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-21 14:46:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-21 14:46:12,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-21 14:46:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-21 14:46:12,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-21 14:46:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2022-07-21 14:46:12,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2022-07-21 14:46:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:46:12,599 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:46:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 14:46:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 14:46:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-21 14:46:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-21 14:46:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:46:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:46:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-21 14:46:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-21 14:46:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:46:12,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:46:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-21 14:46:12,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-21 14:46:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:46:12,601 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:46:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 14:46:12,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 14:46:12,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:46:12,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:46:12,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:46:12,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:46:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 14:46:12,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 14:46:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-21 14:46:12,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-21 14:46:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-21 14:46:12,604 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-21 14:46:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-21 14:46:12,604 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-21 14:46:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 14:46:12,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 14:46:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 14:46:12,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 14:46:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-21 14:46:12,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-21 14:46:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-21 14:46:12,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-21 14:46:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-21 14:46:12,605 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-21 14:46:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-21 14:46:12,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-21 14:46:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:46:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 14:46:12,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 14:46:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:46:12,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:46:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:46:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 14:46:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 14:46:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-21 14:46:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-21 14:46:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-21 14:46:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-21 14:46:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:46:12,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:46:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:46:12,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:46:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:46:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 14:46:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 14:46:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:46:12,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:46:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 14:46:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:46:12,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:46:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-21 14:46:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-21 14:46:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 14:46:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 14:46:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2022-07-21 14:46:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2022-07-21 14:46:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-21 14:46:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-21 14:46:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:46:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:46:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-07-21 14:46:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-07-21 14:46:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-21 14:46:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-21 14:46:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-21 14:46:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-21 14:46:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-21 14:46:12,620 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-21 14:46:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-21 14:46:12,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-21 14:46:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 14:46:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-21 14:46:12,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-21 14:46:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:46:12,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:46:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 14:46:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 14:46:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 14:46:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-21 14:46:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-21 14:46:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 14:46:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 14:46:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:46:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 14:46:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:46:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:46:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:46:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-21 14:46:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-21 14:46:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-07-21 14:46:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-07-21 14:46:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-21 14:46:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-21 14:46:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-21 14:46:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-21 14:46:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-21 14:46:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-21 14:46:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-21 14:46:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-21 14:46:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 14:46:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 14:46:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 14:46:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 14:46:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-21 14:46:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-21 14:46:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:46:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:46:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 14:46:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 14:46:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-21 14:46:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-21 14:46:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:46:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-21 14:46:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-21 14:46:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:46:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 14:46:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 14:46:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 14:46:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 14:46:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:46:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 14:46:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 14:46:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:46:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:46:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-21 14:46:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-21 14:46:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-21 14:46:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-21 14:46:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-21 14:46:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-21 14:46:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-21 14:46:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-21 14:46:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-21 14:46:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-21 14:46:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:46:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:46:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-21 14:46:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-21 14:46:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 14:46:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 14:46:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-21 14:46:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-21 14:46:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 14:46:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 14:46:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-21 14:46:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-21 14:46:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:46:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:46:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-21 14:46:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-21 14:46:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-21 14:46:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-21 14:46:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-07-21 14:46:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-07-21 14:46:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-21 14:46:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-21 14:46:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-21 14:46:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-21 14:46:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-21 14:46:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-21 14:46:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:46:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:46:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-21 14:46:12,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-21 14:46:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 14:46:12,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 14:46:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-21 14:46:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-21 14:46:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-21 14:46:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-21 14:46:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-21 14:46:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 14:46:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 14:46:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-21 14:46:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-21 14:46:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:46:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:46:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-21 14:46:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-21 14:46:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-21 14:46:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-21 14:46:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-21 14:46:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-21 14:46:13,695 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:46:13,713 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:46:13,997 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:46:50,368 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:46:50,480 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:46:50,509 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:46:50,509 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 14:46:50,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:46:50 BoogieIcfgContainer [2022-07-21 14:46:50,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:46:50,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:46:50,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:46:50,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:46:50,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:46:05" (1/3) ... [2022-07-21 14:46:50,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c31d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:46:50, skipping insertion in model container [2022-07-21 14:46:50,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:46:11" (2/3) ... [2022-07-21 14:46:50,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c31d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:46:50, skipping insertion in model container [2022-07-21 14:46:50,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:46:50" (3/3) ... [2022-07-21 14:46:50,522 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-21 14:46:50,534 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:46:50,534 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 14:46:50,642 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:46:50,647 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@68e55feb, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1b7dd2a [2022-07-21 14:46:50,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 14:46:50,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 3094 states, 1771 states have (on average 1.2552230378317335) internal successors, (2223), 1807 states have internal predecessors, (2223), 1210 states have call successors, (1210), 113 states have call predecessors, (1210), 112 states have return successors, (1202), 1185 states have call predecessors, (1202), 1202 states have call successors, (1202) [2022-07-21 14:46:50,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-21 14:46:50,740 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:46:50,741 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:46:50,742 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:46:50,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:46:50,748 INFO L85 PathProgramCache]: Analyzing trace with hash 670640399, now seen corresponding path program 1 times [2022-07-21 14:46:50,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:46:50,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866396966] [2022-07-21 14:46:50,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:46:50,774 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:46:50,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:46:50,777 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:46:50,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 14:46:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:46:57,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 4201 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:46:58,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:46:58,570 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-21 14:46:58,571 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:46:58,572 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:46:58,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866396966] [2022-07-21 14:46:58,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866396966] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:46:58,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:46:58,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:46:58,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529687182] [2022-07-21 14:46:58,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:46:58,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:46:58,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:46:58,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:46:58,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:46:58,616 INFO L87 Difference]: Start difference. First operand has 3094 states, 1771 states have (on average 1.2552230378317335) internal successors, (2223), 1807 states have internal predecessors, (2223), 1210 states have call successors, (1210), 113 states have call predecessors, (1210), 112 states have return successors, (1202), 1185 states have call predecessors, (1202), 1202 states have call successors, (1202) Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:47:00,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:47:00,423 INFO L93 Difference]: Finished difference Result 9025 states and 13628 transitions. [2022-07-21 14:47:00,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:47:00,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 473 [2022-07-21 14:47:00,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:47:00,511 INFO L225 Difference]: With dead ends: 9025 [2022-07-21 14:47:00,511 INFO L226 Difference]: Without dead ends: 5927 [2022-07-21 14:47:00,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:47:00,561 INFO L413 NwaCegarLoop]: 5801 mSDtfsCounter, 4366 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4366 SdHoareTripleChecker+Valid, 10348 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:47:00,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4366 Valid, 10348 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 14:47:00,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5927 states. [2022-07-21 14:47:01,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5927 to 5918. [2022-07-21 14:47:01,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5918 states, 3400 states have (on average 1.2497058823529412) internal successors, (4249), 3466 states have internal predecessors, (4249), 2297 states have call successors, (2297), 220 states have call predecessors, (2297), 220 states have return successors, (2316), 2263 states have call predecessors, (2316), 2297 states have call successors, (2316) [2022-07-21 14:47:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5918 states to 5918 states and 8862 transitions. [2022-07-21 14:47:01,128 INFO L78 Accepts]: Start accepts. Automaton has 5918 states and 8862 transitions. Word has length 473 [2022-07-21 14:47:01,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:47:01,130 INFO L495 AbstractCegarLoop]: Abstraction has 5918 states and 8862 transitions. [2022-07-21 14:47:01,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:47:01,130 INFO L276 IsEmpty]: Start isEmpty. Operand 5918 states and 8862 transitions. [2022-07-21 14:47:01,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-21 14:47:01,147 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:47:01,148 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:47:01,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 14:47:01,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:47:01,349 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:47:01,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:47:01,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1060216007, now seen corresponding path program 1 times [2022-07-21 14:47:01,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:47:01,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918606576] [2022-07-21 14:47:01,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:47:01,354 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:47:01,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:47:01,357 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:47:01,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 14:47:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:08,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 4146 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:47:08,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:47:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-21 14:47:09,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:47:09,056 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:47:09,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918606576] [2022-07-21 14:47:09,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918606576] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:47:09,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:47:09,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:47:09,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802954045] [2022-07-21 14:47:09,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:47:09,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:47:09,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:47:09,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:47:09,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:47:09,067 INFO L87 Difference]: Start difference. First operand 5918 states and 8862 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, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 14:47:11,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:47:11,009 INFO L93 Difference]: Finished difference Result 17424 states and 26130 transitions. [2022-07-21 14:47:11,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:47:11,010 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, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 472 [2022-07-21 14:47:11,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:47:11,137 INFO L225 Difference]: With dead ends: 17424 [2022-07-21 14:47:11,137 INFO L226 Difference]: Without dead ends: 11583 [2022-07-21 14:47:11,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:47:11,207 INFO L413 NwaCegarLoop]: 5707 mSDtfsCounter, 4300 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4300 SdHoareTripleChecker+Valid, 10183 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:47:11,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4300 Valid, 10183 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 14:47:11,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11583 states. [2022-07-21 14:47:11,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11583 to 11567. [2022-07-21 14:47:11,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11567 states, 6626 states have (on average 1.2475098098400241) internal successors, (8266), 6758 states have internal predecessors, (8266), 4500 states have call successors, (4500), 440 states have call predecessors, (4500), 440 states have return successors, (4572), 4432 states have call predecessors, (4572), 4500 states have call successors, (4572) [2022-07-21 14:47:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11567 states to 11567 states and 17338 transitions. [2022-07-21 14:47:12,033 INFO L78 Accepts]: Start accepts. Automaton has 11567 states and 17338 transitions. Word has length 472 [2022-07-21 14:47:12,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:47:12,036 INFO L495 AbstractCegarLoop]: Abstraction has 11567 states and 17338 transitions. [2022-07-21 14:47:12,037 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, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 14:47:12,037 INFO L276 IsEmpty]: Start isEmpty. Operand 11567 states and 17338 transitions. [2022-07-21 14:47:12,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-21 14:47:12,052 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:47:12,052 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:47:12,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 14:47:12,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:47:12,268 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:47:12,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:47:12,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1765422860, now seen corresponding path program 1 times [2022-07-21 14:47:12,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:47:12,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654876591] [2022-07-21 14:47:12,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:47:12,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:47:12,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:47:12,279 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:47:12,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 14:47:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:19,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 4147 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:47:19,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:47:19,912 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-21 14:47:19,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:47:19,920 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:47:19,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654876591] [2022-07-21 14:47:19,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1654876591] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:47:19,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:47:19,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:47:19,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865199491] [2022-07-21 14:47:19,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:47:19,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:47:19,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:47:19,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:47:19,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:47:19,923 INFO L87 Difference]: Start difference. First operand 11567 states and 17338 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 14:47:21,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:47:21,995 INFO L93 Difference]: Finished difference Result 34203 states and 51324 transitions. [2022-07-21 14:47:21,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:47:21,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 473 [2022-07-21 14:47:22,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:47:22,180 INFO L225 Difference]: With dead ends: 34203 [2022-07-21 14:47:22,180 INFO L226 Difference]: Without dead ends: 22713 [2022-07-21 14:47:22,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:47:22,270 INFO L413 NwaCegarLoop]: 5710 mSDtfsCounter, 4300 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4300 SdHoareTripleChecker+Valid, 10186 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:47:22,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4300 Valid, 10186 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 14:47:22,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22713 states. [2022-07-21 14:47:23,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22713 to 22679. [2022-07-21 14:47:23,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22679 states, 12950 states have (on average 1.2443243243243243) internal successors, (16114), 13214 states have internal predecessors, (16114), 8848 states have call successors, (8848), 880 states have call predecessors, (8848), 880 states have return successors, (9048), 8712 states have call predecessors, (9048), 8848 states have call successors, (9048) [2022-07-21 14:47:23,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22679 states to 22679 states and 34010 transitions. [2022-07-21 14:47:23,855 INFO L78 Accepts]: Start accepts. Automaton has 22679 states and 34010 transitions. Word has length 473 [2022-07-21 14:47:23,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:47:23,856 INFO L495 AbstractCegarLoop]: Abstraction has 22679 states and 34010 transitions. [2022-07-21 14:47:23,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 14:47:23,856 INFO L276 IsEmpty]: Start isEmpty. Operand 22679 states and 34010 transitions. [2022-07-21 14:47:23,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-07-21 14:47:23,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:47:23,871 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:47:24,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 14:47:24,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:47:24,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:47:24,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:47:24,097 INFO L85 PathProgramCache]: Analyzing trace with hash 182109860, now seen corresponding path program 1 times [2022-07-21 14:47:24,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:47:24,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580279410] [2022-07-21 14:47:24,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:47:24,102 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:47:24,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:47:24,107 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:47:24,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 14:47:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:31,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 4148 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:47:31,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:47:31,410 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-21 14:47:31,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:47:31,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:47:31,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580279410] [2022-07-21 14:47:31,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1580279410] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:47:31,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:47:31,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:47:31,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788250330] [2022-07-21 14:47:31,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:47:31,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:47:31,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:47:31,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:47:31,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:47:31,413 INFO L87 Difference]: Start difference. First operand 22679 states and 34010 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 14:47:33,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:47:33,865 INFO L93 Difference]: Finished difference Result 66986 states and 100578 transitions. [2022-07-21 14:47:33,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:47:33,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 474 [2022-07-21 14:47:33,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:47:34,191 INFO L225 Difference]: With dead ends: 66986 [2022-07-21 14:47:34,192 INFO L226 Difference]: Without dead ends: 44384 [2022-07-21 14:47:34,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:47:34,349 INFO L413 NwaCegarLoop]: 5707 mSDtfsCounter, 4298 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4298 SdHoareTripleChecker+Valid, 10183 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:47:34,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4298 Valid, 10183 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 14:47:34,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44384 states. [2022-07-21 14:47:37,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44384 to 44310. [2022-07-21 14:47:37,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44310 states, 25184 states have (on average 1.2404701397712834) internal successors, (31240), 25707 states have internal predecessors, (31240), 17379 states have call successors, (17379), 1747 states have call predecessors, (17379), 1746 states have return successors, (17877), 17111 states have call predecessors, (17877), 17379 states have call successors, (17877) [2022-07-21 14:47:37,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44310 states to 44310 states and 66496 transitions. [2022-07-21 14:47:37,653 INFO L78 Accepts]: Start accepts. Automaton has 44310 states and 66496 transitions. Word has length 474 [2022-07-21 14:47:37,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:47:37,654 INFO L495 AbstractCegarLoop]: Abstraction has 44310 states and 66496 transitions. [2022-07-21 14:47:37,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 14:47:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 44310 states and 66496 transitions. [2022-07-21 14:47:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-07-21 14:47:37,662 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:47:37,662 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:47:37,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-21 14:47:37,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:47:37,883 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:47:37,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:47:37,884 INFO L85 PathProgramCache]: Analyzing trace with hash -188228085, now seen corresponding path program 1 times [2022-07-21 14:47:37,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:47:37,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896099143] [2022-07-21 14:47:37,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:47:37,891 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:47:37,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:47:37,893 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:47:37,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 14:47:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 4202 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:47:44,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:47:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-21 14:47:45,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:47:45,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:47:45,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896099143] [2022-07-21 14:47:45,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [896099143] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:47:45,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:47:45,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:47:45,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679586483] [2022-07-21 14:47:45,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:47:45,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:47:45,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:47:45,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:47:45,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:47:45,157 INFO L87 Difference]: Start difference. First operand 44310 states and 66496 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:47:48,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:47:48,906 INFO L93 Difference]: Finished difference Result 126319 states and 189733 transitions. [2022-07-21 14:47:48,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:47:48,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 474 [2022-07-21 14:47:48,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:47:49,853 INFO L225 Difference]: With dead ends: 126319 [2022-07-21 14:47:49,853 INFO L226 Difference]: Without dead ends: 82086 [2022-07-21 14:47:50,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:47:50,257 INFO L413 NwaCegarLoop]: 7919 mSDtfsCounter, 3953 mSDsluCounter, 4501 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3953 SdHoareTripleChecker+Valid, 12420 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 14:47:50,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3953 Valid, 12420 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 14:47:50,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82086 states. [2022-07-21 14:47:54,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82086 to 82068. [2022-07-21 14:47:54,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82068 states, 46173 states have (on average 1.2366967708401013) internal successors, (57102), 47200 states have internal predecessors, (57102), 32553 states have call successors, (32553), 3337 states have call predecessors, (32553), 3341 states have return successors, (33422), 32018 states have call predecessors, (33422), 32553 states have call successors, (33422) [2022-07-21 14:47:56,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82068 states to 82068 states and 123077 transitions. [2022-07-21 14:47:56,170 INFO L78 Accepts]: Start accepts. Automaton has 82068 states and 123077 transitions. Word has length 474 [2022-07-21 14:47:56,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:47:56,171 INFO L495 AbstractCegarLoop]: Abstraction has 82068 states and 123077 transitions. [2022-07-21 14:47:56,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:47:56,171 INFO L276 IsEmpty]: Start isEmpty. Operand 82068 states and 123077 transitions. [2022-07-21 14:47:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-21 14:47:56,176 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:47:56,176 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:47:56,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-21 14:47:56,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:47:56,395 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:47:56,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:47:56,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1165557520, now seen corresponding path program 1 times [2022-07-21 14:47:56,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:47:56,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4807910] [2022-07-21 14:47:56,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:47:56,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:47:56,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:47:56,402 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:47:56,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 14:48:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:03,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 4311 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:48:03,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:48:03,822 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-21 14:48:03,822 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:48:03,822 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:48:03,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4807910] [2022-07-21 14:48:03,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4807910] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:48:03,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:48:03,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:48:03,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10751273] [2022-07-21 14:48:03,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:48:03,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:48:03,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:48:03,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:48:03,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:03,825 INFO L87 Difference]: Start difference. First operand 82068 states and 123077 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-21 14:48:10,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:48:10,059 INFO L93 Difference]: Finished difference Result 240731 states and 362910 transitions. [2022-07-21 14:48:10,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:48:10,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 482 [2022-07-21 14:48:10,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:48:11,931 INFO L225 Difference]: With dead ends: 240731 [2022-07-21 14:48:11,931 INFO L226 Difference]: Without dead ends: 158740 [2022-07-21 14:48:12,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:12,476 INFO L413 NwaCegarLoop]: 5728 mSDtfsCounter, 4232 mSDsluCounter, 4530 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4232 SdHoareTripleChecker+Valid, 10258 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:48:12,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4232 Valid, 10258 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 14:48:12,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158740 states. [2022-07-21 14:48:20,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158740 to 158674. [2022-07-21 14:48:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158674 states, 88289 states have (on average 1.2329622036720316) internal successors, (108857), 90263 states have internal predecessors, (108857), 63869 states have call successors, (63869), 6539 states have call predecessors, (63869), 6515 states have return successors, (67027), 62719 states have call predecessors, (67027), 63869 states have call successors, (67027) [2022-07-21 14:48:23,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158674 states to 158674 states and 239753 transitions. [2022-07-21 14:48:23,711 INFO L78 Accepts]: Start accepts. Automaton has 158674 states and 239753 transitions. Word has length 482 [2022-07-21 14:48:23,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:48:23,712 INFO L495 AbstractCegarLoop]: Abstraction has 158674 states and 239753 transitions. [2022-07-21 14:48:23,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-21 14:48:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 158674 states and 239753 transitions. [2022-07-21 14:48:23,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2022-07-21 14:48:23,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:48:23,721 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:48:23,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 14:48:23,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:48:23,944 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:48:23,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:48:23,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1165168756, now seen corresponding path program 1 times [2022-07-21 14:48:23,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:48:23,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124296781] [2022-07-21 14:48:23,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:48:23,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:48:23,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:48:23,953 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:48:23,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 14:48:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:31,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:48:31,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:48:32,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6147 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 5904 trivial. 0 not checked. [2022-07-21 14:48:32,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:48:32,392 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:48:32,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124296781] [2022-07-21 14:48:32,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124296781] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:48:32,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:48:32,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:48:32,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361881443] [2022-07-21 14:48:32,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:48:32,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:48:32,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:48:32,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:48:32,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:32,395 INFO L87 Difference]: Start difference. First operand 158674 states and 239753 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-21 14:48:43,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:48:43,667 INFO L93 Difference]: Finished difference Result 389993 states and 589699 transitions. [2022-07-21 14:48:43,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:48:43,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 538 [2022-07-21 14:48:43,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted.