./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-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-?-791161d [2022-07-23 03:29:32,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:29:32,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:29:32,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:29:32,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:29:32,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:29:32,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:29:32,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:29:32,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:29:32,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:29:32,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:29:32,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:29:32,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:29:32,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:29:32,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:29:32,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:29:32,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:29:32,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:29:32,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:29:32,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:29:32,590 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:29:32,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:29:32,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:29:32,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:29:32,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:29:32,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:29:32,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:29:32,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:29:32,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:29:32,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:29:32,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:29:32,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:29:32,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:29:32,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:29:32,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:29:32,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:29:32,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:29:32,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:29:32,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:29:32,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:29:32,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:29:32,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:29:32,613 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:29:32,626 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:29:32,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:29:32,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:29:32,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:29:32,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:29:32,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:29:32,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:29:32,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:29:32,631 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:29:32,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:29:32,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:29:32,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:29:32,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:29:32,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:29:32,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:29:32,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:29:32,633 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:29:32,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:29:32,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:29:32,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:29:32,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:29:32,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:29:32,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:29:32,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:29:32,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:29:32,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:29:32,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:29:32,636 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:29:32,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:29:32,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:29:32,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2022-07-23 03:29:32,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:29:32,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:29:32,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:29:32,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:29:32,863 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:29:32,864 INFO L432 ainManager$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 [2022-07-23 03:29:32,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cbed2464/c8d3e85240eb4c1ca4c103fca0bc5b8a/FLAG865b3548a [2022-07-23 03:29:33,603 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:29:33,604 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 [2022-07-23 03:29:33,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cbed2464/c8d3e85240eb4c1ca4c103fca0bc5b8a/FLAG865b3548a [2022-07-23 03:29:34,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cbed2464/c8d3e85240eb4c1ca4c103fca0bc5b8a [2022-07-23 03:29:34,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:29:34,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:29:34,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:29:34,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:29:34,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:29:34,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:29:34" (1/1) ... [2022-07-23 03:29:34,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761ffcef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:34, skipping insertion in model container [2022-07-23 03:29:34,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:29:34" (1/1) ... [2022-07-23 03:29:34,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:29:34,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:29:37,129 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] [2022-07-23 03:29:37,132 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] [2022-07-23 03:29:37,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:29:37,208 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:29:37,415 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) [2022-07-23 03:29:37,424 INFO L158 Benchmark]: Toolchain (without parser) took 3269.88ms. Allocated memory was 98.6MB in the beginning and 172.0MB in the end (delta: 73.4MB). Free memory was 56.5MB in the beginning and 87.0MB in the end (delta: -30.5MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2022-07-23 03:29:37,425 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 03:29:37,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3268.44ms. Allocated memory was 98.6MB in the beginning and 172.0MB in the end (delta: 73.4MB). Free memory was 56.3MB in the beginning and 87.0MB in the end (delta: -30.8MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2022-07-23 03:29:37,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3268.44ms. Allocated memory was 98.6MB in the beginning and 172.0MB in the end (delta: 73.4MB). Free memory was 56.3MB in the beginning and 87.0MB in the end (delta: -30.8MB). Peak memory consumption was 73.6MB. 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-?-791161d [2022-07-23 03:29:39,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:29:39,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:29:39,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:29:39,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:29:39,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:29:39,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:29:39,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:29:39,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:29:39,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:29:39,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:29:39,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:29:39,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:29:39,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:29:39,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:29:39,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:29:39,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:29:39,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:29:39,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:29:39,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:29:39,130 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:29:39,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:29:39,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:29:39,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:29:39,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:29:39,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:29:39,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:29:39,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:29:39,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:29:39,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:29:39,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:29:39,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:29:39,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:29:39,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:29:39,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:29:39,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:29:39,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:29:39,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:29:39,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:29:39,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:29:39,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:29:39,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:29:39,152 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 03:29:39,171 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:29:39,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:29:39,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:29:39,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:29:39,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:29:39,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:29:39,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:29:39,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:29:39,173 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:29:39,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:29:39,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:29:39,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:29:39,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:29:39,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:29:39,175 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 03:29:39,175 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 03:29:39,175 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 03:29:39,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:29:39,175 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:29:39,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:29:39,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:29:39,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:29:39,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:29:39,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:29:39,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:29:39,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:29:39,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:29:39,177 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 03:29:39,177 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 03:29:39,177 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:29:39,177 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:29:39,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:29:39,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 03:29:39,178 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2022-07-23 03:29:39,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:29:39,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:29:39,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:29:39,566 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:29:39,566 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:29:39,568 INFO L432 ainManager$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 [2022-07-23 03:29:39,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94e381fb6/ec61a42acb2441bfbab364a7963aa639/FLAG6a10c899d [2022-07-23 03:29:40,342 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:29:40,343 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 [2022-07-23 03:29:40,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94e381fb6/ec61a42acb2441bfbab364a7963aa639/FLAG6a10c899d [2022-07-23 03:29:40,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94e381fb6/ec61a42acb2441bfbab364a7963aa639 [2022-07-23 03:29:40,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:29:40,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:29:40,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:29:40,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:29:40,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:29:40,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:29:40" (1/1) ... [2022-07-23 03:29:40,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420f7b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:40, skipping insertion in model container [2022-07-23 03:29:40,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:29:40" (1/1) ... [2022-07-23 03:29:40,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:29:40,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:29:42,791 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-23 03:29:42,820 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-23 03:29:42,842 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-23 03:29:43,191 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] [2022-07-23 03:29:43,193 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] [2022-07-23 03:29:43,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:29:43,272 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 03:29:43,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:29:43,557 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] [2022-07-23 03:29:43,558 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] [2022-07-23 03:29:43,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:29:43,581 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:29:43,840 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] [2022-07-23 03:29:43,841 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] [2022-07-23 03:29:43,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:29:43,967 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:29:43,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:43 WrapperNode [2022-07-23 03:29:43,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:29:43,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:29:43,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:29:43,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:29:43,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:43" (1/1) ... [2022-07-23 03:29:44,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:43" (1/1) ... [2022-07-23 03:29:44,175 INFO L137 Inliner]: procedures = 536, calls = 3820, calls flagged for inlining = 276, calls inlined = 261, statements flattened = 6676 [2022-07-23 03:29:44,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:29:44,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:29:44,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:29:44,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:29:44,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:43" (1/1) ... [2022-07-23 03:29:44,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:43" (1/1) ... [2022-07-23 03:29:44,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:43" (1/1) ... [2022-07-23 03:29:44,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:43" (1/1) ... [2022-07-23 03:29:44,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:43" (1/1) ... [2022-07-23 03:29:44,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:43" (1/1) ... [2022-07-23 03:29:44,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:43" (1/1) ... [2022-07-23 03:29:44,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:29:44,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:29:44,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:29:44,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:29:44,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:43" (1/1) ... [2022-07-23 03:29:44,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:29:44,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:29:44,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 03:29:44,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 03:29:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-23 03:29:44,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-23 03:29:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-23 03:29:44,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-23 03:29:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-23 03:29:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-23 03:29:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-23 03:29:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-23 03:29:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 03:29:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 03:29:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:29:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:29:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:29:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:29:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-23 03:29:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-23 03:29:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-23 03:29:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-23 03:29:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:29:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:29:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 03:29:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 03:29:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:29:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:29:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-23 03:29:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-23 03:29:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-23 03:29:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-23 03:29:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-23 03:29:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-23 03:29:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:29:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:29:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-23 03:29:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-23 03:29:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-23 03:29:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-23 03:29:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-23 03:29:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-23 03:29:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:29:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:29:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 03:29:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 03:29:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-23 03:29:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-23 03:29:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:29:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-23 03:29:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-23 03:29:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 03:29:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 03:29:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 03:29:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 03:29:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-23 03:29:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-23 03:29:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-23 03:29:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-23 03:29:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-23 03:29:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-23 03:29:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2022-07-23 03:29:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2022-07-23 03:29:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:29:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:29:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 03:29:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 03:29:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-23 03:29:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-23 03:29:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:29:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:29:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-23 03:29:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-23 03:29:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:29:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:29:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-23 03:29:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-23 03:29:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:29:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:29:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:29:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:29:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:29:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:29:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:29:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:29:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 03:29:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 03:29:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-23 03:29:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-23 03:29:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-23 03:29:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-23 03:29:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-23 03:29:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-23 03:29:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 03:29:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 03:29:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:29:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:29:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-23 03:29:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-23 03:29:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-23 03:29:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-23 03:29:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-23 03:29:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-23 03:29:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-23 03:29:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-23 03:29:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:29:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 03:29:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 03:29:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:29:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:29:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:29:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 03:29:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 03:29:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-23 03:29:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-23 03:29:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-23 03:29:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-23 03:29:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:29:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:29:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:29:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:29:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:29:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 03:29:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 03:29:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:29:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:29:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 03:29:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:29:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:29:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-23 03:29:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-23 03:29:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 03:29:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 03:29:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2022-07-23 03:29:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2022-07-23 03:29:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-23 03:29:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-23 03:29:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:29:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:29:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-07-23 03:29:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-07-23 03:29:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-23 03:29:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-23 03:29:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-23 03:29:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-23 03:29:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-23 03:29:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-23 03:29:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-23 03:29:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-23 03:29:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 03:29:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-23 03:29:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-23 03:29:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:29:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:29:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 03:29:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 03:29:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 03:29:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-23 03:29:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-23 03:29:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 03:29:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 03:29:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:29:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 03:29:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:29:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:29:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:29:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-23 03:29:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-23 03:29:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-07-23 03:29:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-07-23 03:29:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-23 03:29:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-23 03:29:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-23 03:29:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-23 03:29:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-23 03:29:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-23 03:29:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-23 03:29:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-23 03:29:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:29:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:29:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 03:29:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 03:29:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-23 03:29:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-23 03:29:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:29:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:29:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-23 03:29:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-23 03:29:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-23 03:29:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-23 03:29:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:29:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-23 03:29:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-23 03:29:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:29:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 03:29:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 03:29:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 03:29:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 03:29:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:29:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-23 03:29:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-23 03:29:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:29:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:29:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-23 03:29:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-23 03:29:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-23 03:29:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-23 03:29:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-23 03:29:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-23 03:29:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-23 03:29:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-23 03:29:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-23 03:29:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-23 03:29:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:29:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:29:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-23 03:29:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-23 03:29:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 03:29:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 03:29:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-23 03:29:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-23 03:29:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 03:29:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 03:29:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-23 03:29:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-23 03:29:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:29:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:29:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-23 03:29:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-23 03:29:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-23 03:29:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-23 03:29:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-07-23 03:29:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-07-23 03:29:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-23 03:29:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-23 03:29:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-23 03:29:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-23 03:29:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-23 03:29:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-23 03:29:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:29:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:29:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-23 03:29:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-23 03:29:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 03:29:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 03:29:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-23 03:29:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-23 03:29:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-23 03:29:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-23 03:29:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-23 03:29:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-23 03:29:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-23 03:29:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-23 03:29:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-23 03:29:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:29:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:29:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-23 03:29:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-23 03:29:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-23 03:29:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-23 03:29:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-23 03:29:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-23 03:29:45,508 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:29:45,511 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:29:45,746 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:30:22,456 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:30:22,561 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:30:22,586 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:30:22,587 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 03:30:22,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:30:22 BoogieIcfgContainer [2022-07-23 03:30:22,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:30:22,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:30:22,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:30:22,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:30:22,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:29:40" (1/3) ... [2022-07-23 03:30:22,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e6111b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:30:22, skipping insertion in model container [2022-07-23 03:30:22,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:43" (2/3) ... [2022-07-23 03:30:22,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e6111b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:30:22, skipping insertion in model container [2022-07-23 03:30:22,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:30:22" (3/3) ... [2022-07-23 03:30:22,597 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-23 03:30:22,609 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:30:22,609 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 03:30:22,695 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:30:22,702 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@36489771, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@71bc778f [2022-07-23 03:30:22,703 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 03:30:22,714 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) [2022-07-23 03:30:22,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-23 03:30:22,756 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:22,757 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] [2022-07-23 03:30:22,758 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:22,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:22,761 INFO L85 PathProgramCache]: Analyzing trace with hash 670640399, now seen corresponding path program 1 times [2022-07-23 03:30:22,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:30:22,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546188409] [2022-07-23 03:30:22,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:22,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:30:22,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:30:22,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:30:22,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 03:30:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:30,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 4201 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:30:30,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:30:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-23 03:30:30,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:30:30,868 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:30:30,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546188409] [2022-07-23 03:30:30,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546188409] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:30,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:30,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:30:30,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920585090] [2022-07-23 03:30:30,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:30,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:30:30,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:30:30,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:30:30,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:30,901 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) [2022-07-23 03:30:32,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:30:32,697 INFO L93 Difference]: Finished difference Result 9025 states and 13628 transitions. [2022-07-23 03:30:32,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:30:32,700 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 [2022-07-23 03:30:32,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:30:32,779 INFO L225 Difference]: With dead ends: 9025 [2022-07-23 03:30:32,779 INFO L226 Difference]: Without dead ends: 5927 [2022-07-23 03:30:32,903 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 [2022-07-23 03:30:32,905 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, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:30:32,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4366 Valid, 10348 Invalid, 106 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-23 03:30:32,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5927 states. [2022-07-23 03:30:33,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5927 to 5918. [2022-07-23 03:30:33,269 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) [2022-07-23 03:30:33,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5918 states to 5918 states and 8862 transitions. [2022-07-23 03:30:33,333 INFO L78 Accepts]: Start accepts. Automaton has 5918 states and 8862 transitions. Word has length 473 [2022-07-23 03:30:33,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:30:33,338 INFO L495 AbstractCegarLoop]: Abstraction has 5918 states and 8862 transitions. [2022-07-23 03:30:33,339 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) [2022-07-23 03:30:33,339 INFO L276 IsEmpty]: Start isEmpty. Operand 5918 states and 8862 transitions. [2022-07-23 03:30:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-23 03:30:33,352 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:33,353 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] [2022-07-23 03:30:33,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-23 03:30:33,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:30:33,568 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:33,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:33,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1060216007, now seen corresponding path program 1 times [2022-07-23 03:30:33,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:30:33,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191856205] [2022-07-23 03:30:33,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:33,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:30:33,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:30:33,577 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:30:33,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 03:30:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:41,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 4146 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:30:41,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:30:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-23 03:30:42,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:30:42,350 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:30:42,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191856205] [2022-07-23 03:30:42,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191856205] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:42,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:42,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:30:42,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848118959] [2022-07-23 03:30:42,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:42,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:30:42,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:30:42,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:30:42,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:42,354 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) [2022-07-23 03:30:44,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:30:44,401 INFO L93 Difference]: Finished difference Result 17424 states and 26130 transitions. [2022-07-23 03:30:44,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:30:44,402 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 [2022-07-23 03:30:44,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:30:44,488 INFO L225 Difference]: With dead ends: 17424 [2022-07-23 03:30:44,489 INFO L226 Difference]: Without dead ends: 11583 [2022-07-23 03:30:44,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:44,538 INFO L413 NwaCegarLoop]: 5707 mSDtfsCounter, 4300 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:30:44,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4300 Valid, 10183 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-23 03:30:44,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11583 states. [2022-07-23 03:30:45,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11583 to 11567. [2022-07-23 03:30:45,070 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) [2022-07-23 03:30:45,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11567 states to 11567 states and 17338 transitions. [2022-07-23 03:30:45,141 INFO L78 Accepts]: Start accepts. Automaton has 11567 states and 17338 transitions. Word has length 472 [2022-07-23 03:30:45,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:30:45,142 INFO L495 AbstractCegarLoop]: Abstraction has 11567 states and 17338 transitions. [2022-07-23 03:30:45,143 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) [2022-07-23 03:30:45,143 INFO L276 IsEmpty]: Start isEmpty. Operand 11567 states and 17338 transitions. [2022-07-23 03:30:45,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-23 03:30:45,151 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:45,152 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] [2022-07-23 03:30:45,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-23 03:30:45,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:30:45,368 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:45,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:45,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1765422860, now seen corresponding path program 1 times [2022-07-23 03:30:45,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:30:45,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [367621116] [2022-07-23 03:30:45,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:45,372 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:30:45,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:30:45,378 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:30:45,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 03:30:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:30:53,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 4147 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:30:53,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:30:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-23 03:30:53,408 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:30:53,409 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:30:53,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [367621116] [2022-07-23 03:30:53,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [367621116] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:30:53,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:30:53,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:30:53,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419183207] [2022-07-23 03:30:53,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:30:53,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:30:53,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:30:53,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:30:53,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:30:53,410 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) [2022-07-23 03:30:55,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:30:55,125 INFO L93 Difference]: Finished difference Result 34203 states and 51324 transitions. [2022-07-23 03:30:55,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:30:55,126 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 [2022-07-23 03:30:55,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:30:55,289 INFO L225 Difference]: With dead ends: 34203 [2022-07-23 03:30:55,290 INFO L226 Difference]: Without dead ends: 22713 [2022-07-23 03:30:55,356 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 [2022-07-23 03:30:55,357 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 [2022-07-23 03:30:55,358 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] [2022-07-23 03:30:55,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22713 states. [2022-07-23 03:30:56,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22713 to 22679. [2022-07-23 03:30:56,532 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) [2022-07-23 03:30:56,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22679 states to 22679 states and 34010 transitions. [2022-07-23 03:30:56,778 INFO L78 Accepts]: Start accepts. Automaton has 22679 states and 34010 transitions. Word has length 473 [2022-07-23 03:30:56,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:30:56,779 INFO L495 AbstractCegarLoop]: Abstraction has 22679 states and 34010 transitions. [2022-07-23 03:30:56,780 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) [2022-07-23 03:30:56,780 INFO L276 IsEmpty]: Start isEmpty. Operand 22679 states and 34010 transitions. [2022-07-23 03:30:56,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-07-23 03:30:56,789 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:30:56,789 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] [2022-07-23 03:30:56,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 03:30:57,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:30:57,012 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:30:57,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:30:57,012 INFO L85 PathProgramCache]: Analyzing trace with hash 182109860, now seen corresponding path program 1 times [2022-07-23 03:30:57,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:30:57,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84259043] [2022-07-23 03:30:57,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:30:57,016 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:30:57,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:30:57,018 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:30:57,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 03:31:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:04,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 4148 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:31:04,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:31:04,845 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-23 03:31:04,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:31:04,846 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:31:04,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84259043] [2022-07-23 03:31:04,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84259043] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:04,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:04,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:31:04,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062012152] [2022-07-23 03:31:04,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:04,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:31:04,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:31:04,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:31:04,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:31:04,848 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) [2022-07-23 03:31:07,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:07,294 INFO L93 Difference]: Finished difference Result 66986 states and 100578 transitions. [2022-07-23 03:31:07,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:31:07,295 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 [2022-07-23 03:31:07,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:07,819 INFO L225 Difference]: With dead ends: 66986 [2022-07-23 03:31:07,820 INFO L226 Difference]: Without dead ends: 44384 [2022-07-23 03:31:08,079 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 [2022-07-23 03:31:08,080 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 [2022-07-23 03:31:08,080 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] [2022-07-23 03:31:08,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44384 states. [2022-07-23 03:31:10,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44384 to 44310. [2022-07-23 03:31:10,119 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) [2022-07-23 03:31:10,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44310 states to 44310 states and 66496 transitions. [2022-07-23 03:31:10,576 INFO L78 Accepts]: Start accepts. Automaton has 44310 states and 66496 transitions. Word has length 474 [2022-07-23 03:31:10,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:10,577 INFO L495 AbstractCegarLoop]: Abstraction has 44310 states and 66496 transitions. [2022-07-23 03:31:10,577 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) [2022-07-23 03:31:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 44310 states and 66496 transitions. [2022-07-23 03:31:10,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-07-23 03:31:10,582 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:10,582 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] [2022-07-23 03:31:10,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 03:31:10,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:31:10,796 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:10,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:10,797 INFO L85 PathProgramCache]: Analyzing trace with hash -188228085, now seen corresponding path program 1 times [2022-07-23 03:31:10,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:31:10,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978787727] [2022-07-23 03:31:10,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:10,800 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:31:10,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:31:10,802 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:31:10,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 03:31:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:18,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 4202 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:31:18,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:31:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-23 03:31:18,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:31:18,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:31:18,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978787727] [2022-07-23 03:31:18,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978787727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:18,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:18,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:31:18,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946401391] [2022-07-23 03:31:18,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:18,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:31:18,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:31:18,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:31:18,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:31:18,963 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) [2022-07-23 03:31:22,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:22,684 INFO L93 Difference]: Finished difference Result 126319 states and 189733 transitions. [2022-07-23 03:31:22,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:31:22,685 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 [2022-07-23 03:31:22,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:23,342 INFO L225 Difference]: With dead ends: 126319 [2022-07-23 03:31:23,342 INFO L226 Difference]: Without dead ends: 82086 [2022-07-23 03:31:23,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:31:23,543 INFO L413 NwaCegarLoop]: 7919 mSDtfsCounter, 3953 mSDsluCounter, 4501 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:31:23,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3953 Valid, 12420 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-23 03:31:23,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82086 states. [2022-07-23 03:31:27,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82086 to 82068. [2022-07-23 03:31:27,157 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) [2022-07-23 03:31:28,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82068 states to 82068 states and 123077 transitions. [2022-07-23 03:31:28,182 INFO L78 Accepts]: Start accepts. Automaton has 82068 states and 123077 transitions. Word has length 474 [2022-07-23 03:31:28,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:28,183 INFO L495 AbstractCegarLoop]: Abstraction has 82068 states and 123077 transitions. [2022-07-23 03:31:28,183 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) [2022-07-23 03:31:28,183 INFO L276 IsEmpty]: Start isEmpty. Operand 82068 states and 123077 transitions. [2022-07-23 03:31:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-23 03:31:28,186 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:28,186 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] [2022-07-23 03:31:28,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-23 03:31:28,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:31:28,397 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:28,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:28,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1165557520, now seen corresponding path program 1 times [2022-07-23 03:31:28,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:31:28,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [621304003] [2022-07-23 03:31:28,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:28,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:31:28,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:31:28,402 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) [2022-07-23 03:31:28,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 03:31:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:35,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 4311 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:31:35,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:31:35,738 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-23 03:31:35,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:31:35,739 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:31:35,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [621304003] [2022-07-23 03:31:35,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [621304003] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:35,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:35,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:31:35,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442511401] [2022-07-23 03:31:35,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:35,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:31:35,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:31:35,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:31:35,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:31:35,740 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) [2022-07-23 03:31:41,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:41,681 INFO L93 Difference]: Finished difference Result 240731 states and 362910 transitions. [2022-07-23 03:31:41,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:31:41,682 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 [2022-07-23 03:31:41,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:43,486 INFO L225 Difference]: With dead ends: 240731 [2022-07-23 03:31:43,487 INFO L226 Difference]: Without dead ends: 158740 [2022-07-23 03:31:44,033 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 [2022-07-23 03:31:44,035 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:31:44,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4232 Valid, 10258 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 03:31:44,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158740 states. [2022-07-23 03:31:52,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158740 to 158674. [2022-07-23 03:31:52,766 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) [2022-07-23 03:31:54,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158674 states to 158674 states and 239753 transitions. [2022-07-23 03:31:54,824 INFO L78 Accepts]: Start accepts. Automaton has 158674 states and 239753 transitions. Word has length 482 [2022-07-23 03:31:54,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:54,825 INFO L495 AbstractCegarLoop]: Abstraction has 158674 states and 239753 transitions. [2022-07-23 03:31:54,825 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) [2022-07-23 03:31:54,825 INFO L276 IsEmpty]: Start isEmpty. Operand 158674 states and 239753 transitions. [2022-07-23 03:31:54,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2022-07-23 03:31:54,831 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:54,831 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] [2022-07-23 03:31:54,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 03:31:55,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:31:55,048 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:55,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:55,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1165168756, now seen corresponding path program 1 times [2022-07-23 03:31:55,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:31:55,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755751542] [2022-07-23 03:31:55,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:55,052 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:31:55,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:31:55,054 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:31:55,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 03:32:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:32:03,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:32:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6147 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 5904 trivial. 0 not checked. [2022-07-23 03:32:04,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:32:04,072 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:32:04,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755751542] [2022-07-23 03:32:04,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755751542] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:32:04,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:32:04,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:32:04,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891468142] [2022-07-23 03:32:04,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:32:04,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:32:04,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:32:04,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:32:04,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:32:04,073 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)